NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation
Edition: Model Aviation - 1987/04
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 126, 127, 131, 132, 133, 136, 138
NO OCR TEXT NO OCR TEXT sq powered four-cycle 40 46 engine Simple Scale judging un complicated flying routine coupled barbecue almost doubled anticipated turnout real incentive though promise great-flying airplane hcopla over Unfortunately able attend contest designed built Midget Mustang anyway full-size plane has always attracted particularly polished aluminum lcok #67 P-Shcoter #9 Midget Mus tang knew someday Id have have Dzus fastener wire loop fastener stays cowl P0owl Isbyadowel p atthe rear cowl hole fuselage side Notethecutoutaforthesirintake airexits ..d valve cover glow plug lit via wire hold-down loop plug Right new short exhaust pipe made frc, -in aluminum tubing pipe-flaring tool air exit should about three times larger intake opening Left Typical wheel pant mounting wire gear brass clip soldered wire gear 1/a-ln plywood plate epoxied wheel pant Two 4-40 blind nuts set plywood Center Ace RC Micro Servos used author smali servos OK servo tray homemade baisa ply Wire pushrods belicranks clevis wire joined soldering gether short piece brass tubing Right Goldberg tail wheei bracket Zapped fuselage excess piastic trimmed off Ace RC -in tail wheel secured 1/16 wheel collar rudder throw Increased maximum testing went Sig Mustang 450 cheek cowls forward section Sig bubbie canopy Du-Bro 3-in spinner Williams Bros pilot readily-available accessories Al 0-7 MasterAlrscrew has found give best performance four-cycle 406 sport flying aerobatics lightweight model Only valve cover protrudes through authors cowl Fred Reese atthe Septemberfly-in atAlpine WY two-day event draws fliers Idaho Wyoming Montana Lots air planes visiting oid friendsno con test get way Lightly-loaded models fly betteratthe higheraititudes Wyoming vsn inougn ins piune nsa very anOrt nose servos mounieg Se iur reurwura possible offset comparatively heavy four-cycle engine receiver 250 mAh battery pack below cockpit held place sliding tray 3/32 balsa 1/4-ln-sq rails glued fuselage sides original 6-02 fuel tank replaced 4-oz smaller tank gives plenty flying time four-stroke 05 40 model original P-Shooter built 1948 David Long fellow pylon racer Luther Johnson plane raced then-new Goodyear class 1948 1949 National Air Races 1952 Schweitzer Aircraft Company decided produce Midget Mustang highperformance sport aircraft testing production prototype NiON modI z / 0 1J Lu At ~i Lu m/ Lu _/ jH /I / 0 ___Dv __0Lu _Sm-J / __U 00 -J m / Zm NN rori // m/ // /, 7/ / / / 7/ / 0 nz 0 0 -o z 0 0 o 00 -J b I0 z 00 0 0CD U C// JI / /1/ NI r/ N / / / 0 v CD \ \\ N \ Lu CD z 1 N S x S K 1U 0 0 CD 11 CD / C/ m -J m 0 S F X ZN / / j / 7 / / -A 0 elI chose engine quit pylon racing suffered great loss Davids para chute failed open Schweitzer abandoned plans sell Midget Mustang sold tooling parts Dr F Torrey eventually sold Robert Bushby Bushby Aircraft continues sell Midget Mustang plans parts kits full-scale airplane all-metal flush-riveted design has powered V \ \\\ - / /7 7 Lu CD 0 Lu CD z 5 Lu -J ci C S 0 C/ 0 CD foC/ 0 jLu CDCD CD z 1-0 U05 nz -J CD Lu N fi S C U U 0: Lu mW r 0Z X Lu -J 0 0-J 0 0 LI0 D Lu 1zoo Lu I~ April 1987 31 0 0 cnI jI cJO mm z C -J Lu Lu U SZ 4 Left As wing f 1st spar trailing edge can built flat workbench Balsa 1/s-in-sq strips notched wing ribs side aileron joint allow ailerons cut out breaking ribs Right Landing gear blocks glued before sheeting top wing Notch out bottom sheeting gear blocks using blocks rib notches guides vertical blocks short sections slotted gear blocks glued 1/16 plywood W2A Additional 1/16 balsa partial ribs glued place ahead behind vertical gear blocks shown W2B picture Study information before beginning engines 65 150 hp first 85-hp type popular over years trend has towards larger engines Stressed 9 Gs Mustang well suited aerobatics cruises 175 mph 135-hp engine Configurations have varied versions retracting landing gear tricycle land ing gears folding wings larger twoplace Mustang II also available home-built project approxi mately 300 Midget Mustangs flying another 1200 under construction ga rages workshops across country model almost quite quar ter scale wing exactly quarter scale fuselage little smaller closer fifth scale fuselage slimmed width height ize 3-in spinner instead 3-in Both Du-Bro CR make 3-in spinners object design produce Pattern-capable Scale model using either OS Enya four-cycle 40sengines very quiet obviously dont have power comparable size twocycle engine However bolted onto 3-lb airplane will deliver amazing performance course also Enya 46 its commanding 2000 rpm advantage could give model un limited vertical performance prefer model though its low noise mild manners 40 four-stroke Midget Mustang still happily flies IMAC Sportsman pattern does very pretty inside outside square loops figure eights. wing close symmetrical model requires just touch down elevator flying inverted large side area fuselage makes nice knife-edge flight very little aileron correction thing doesnt well snap rollsthe forgiving wing light wing loading wont allow quick-breaking stall necessary maneuver snap rolls can improved though sharpening leading edge wing out near tips pinned triangie stock stall strips leading edge helped balance point shown plan far forward should bebut can located far back spar rear location elevator bit sensitive snap rolls square corners im proved Another models strong suits its takeoffs takes just touch right rudder keep straight tail comes up stays main wheels until lift off will make realistic flat smcoth takeoffs can ripped off ground 10 ftwhatever suits flying style Landings take little getting used light wing loading keeps airplane flying very low speeds have start landing pattern farther out lower what seems right other models size Eventually will slow down make smoothest landings just cantrush season club has extended Four-Cycle Challenge allow greater diversity plane/engine configurations rules have further modified include manufactured kits well origi nal designs Again main ideal participate end up great-flying airplane after day com petition fun following chart out lines minimum wing area goal weight engine displacement cate gory 32 Model Aviation Left Bottom view wing showing aileron belicrank control horn Goldberg 1/16 aileron pushrods came handy Note 1/16 balsa pushrod exit /4-insq hinge blocks werent place yet Right Bolt engine mount firewall install blind nuts Glue firewall P3 first side other use card-stock template plan get correct angle completed fuselage structure before gluing top sheeting cockpit floor cut 3/32 balsa sheeting top rear stringers glued temporary Va-in-sq post rear post holds everything together until top sheeting applied 0A60L64*C40C--I fiiizzzE I000 506A 300 IIII *4-10lw-s gw-e IIwiW-5____ ____W4 IIii Iii II 0 AAA o0 VV F-5 F-C 0 F-9 F-4 O0BFLY I-B Lii Ih-h~~$0ACEL0ACMAi000ELY 664B AjAV~W-4-6LBB w-iIw-s *464*4 06 6456 Ii--i0B C 643306 06 COY ELY Bp05 64 05 B4\ 6 606466CC 60660 4*6060 55466 BALSA 6*4456 CA \v606 onS 6*5 CS BA VEBATABE 4*06 04S34*E B *466 LOOP F-IALIt 4* LEPY 44*66 COWL F-3 F-i nLS0LL-04 30324 04If 0 63 B*SYEEA*SC*4* 65SFfL40 / F-2 \ ICOY4*Y 6032 BAA466* BOBS 2 ICS BE4EES B ELEABBOTS \IIBACELEASYS OBELOSOABACA*46B664 L 66000 BC 66646 CAY0430 CO Model Aviolsoss Full-Size Plans Available. Page 172 DAVID E LONGS Midget Mustang OAR 54 LENGTh 40 AREA 545 WGGI4T 31/2 LBS 40-46 4-COOLE Displacement 20 Cu 30 cu m 40 cu m 45-46 Cu 60-61 cu 75 CU lfl 80 Cu 90 Cu m 120 Cu 240 Cu Scoring Static Flying Total Minimum Wing Area 400 sq 425 sqin 450 sq 500 sq 650 sq 675 sq 700 sq 750 sq 1000 sq 1250 sq General impression Craftsmanship Flight Demonstration Weight Weight 50 oz 52 oz 56 oz 64 oz 80 oz 84 oz 88 oz 100 oz 136 oz 176 oz 30 points 10 points 60 points 100 points Scoring same both Scale non-Scale models Overweight aircraft will have score downgradedby dividing goal weight percentage no bonus underweight models Proof Scale responsibility contestant Contest Director can determine design replica full-scale aircraft contestant will allowed have entry considered Scale Flight demonstrations will consist rounds four-minute flights demonstrate capabilities design responsibility contestant present design its best builderof-the-model rule waived flight demonstration simple low-key rules encourage larger participation club members wing areas presented cate gory minimums would probably add 10 20% figures bring wing loading down 18 14 oz/sq ft especially designs 60-size en gines less Mustang came out 14 oz/sq ft Construction Midget Mustang fol lows normal methods just use lessor thinnerwood fuselage sides 3A2-in balsa have 3A2-in doubler through radio oompartment curved top fuselage /16-in light straight grained balsa stiffened several -insq stringers result very light balsa shell fuselage adequately strong flight loads have careful handling models could easily stick finger through turtledeck could also stick finger through MonoKoted wing grabbed wrong like store carry models Robart foam stand cut-to-fit tray foam TV packing tray eight months flying about 200 flights damage have caused holes MonoKote bottom wing gravel thrown up propeller wing also typical construction using light 6-in balsa ribs sheeting wing builds flat table since flat-bottomed spar trailing edge complete airframe ready fly less radio engine should weigh about 1 lb hard doyou just have careful As build forget ever heard epoxy construction done Zap CA firewall landing gear blocks Zapped place put small parts end plan sheet can photocopied cutting up plan cut-up photocopies glued wood spray contact cement paper sticks wood too much after parts cut out rubber cement thinner sold office Continued page 126 34 Model Aviation Dont glue chin block until wing fitted mounted wing place drill through F4 1/4in drill front dowel key mount wing panels joined center 3-in-wide fiberglass cloth resin landing gear blocks ssnded flush wing sheeting Note triangular stock glued around F4 firewall Cut slots fuselage vertical fin stabilizer razor saw fin goes down top stabiiizer Join elevator halves 1/4in dowel 1/4in-sq spruce O3 50L213Aipha 15 $4995 Engine 049-051 50L202Ace High MKii $3195 Span 4OM Engine 049-051 123 Channeis 50L203Whizard 501227 4-120 $14995 SSnd $200 coropiStS catalog ACE fm Sr avalISbIS St daSh. Ord dirScf add $2 00 Handling Fo IIAWlgthmtoRIICO nnvilie 121 Radio Technique/Myers Continued page 26 receivers key future better receiver Irve said times since 1983 still true Some transmitters will have changebut almost receiver use today must replaced small number RC systems already satisfr requirements AMA Guidelines Among Kraft synthesized RF transmitter modules receivers Kraft KPR-8FD crystal-controlled fixed-channel receiver Circus PCM-9 ABS receiver Airtronics FM system includes 92245 receivercurrently available accessory part $6495 two low-priced imports imports Acoms FM system $150 Futaba Conquest PCM $250 may look above list say Ill buy right now jump right new narrow-band section spectrum Ill safe trash high end band quite manufacturers cooperate wont able buy crystals RC14 RCl6 RCl8 RC2O RC22 RC24 RC26 RC28 RC3O RC32 RC34 until about September 1987 leaving aside people already have Kraft SRF modules Lets say find way get lowband crystals can use during sport flying away AMA-sanctioned contests wont allowed use sanc tioned contests unless Contest Director de cides make some kind special arrangement Once again FSGAME will help assess problems such decision might create AMA rule book wont actually require narrow-band performance defined AMA Guidelines RC systems used low-band channels until 1988 Sowhat rule book doesnt try prevent using narrow-band equipment either automatically have AMA permission use narrow-band equipment ie narrow-band transmitters receivers Bn/W Blu/W R/W etc well RC38 through RC56 right now advantages narrow-band set will available right now January 1988 rolls around will have swap pair crystals unlikely retuning will necessary swap RC185 Blu/W RCl8 example Eventually radios RC 11 through RC6O will required narrow-band buy narrow-band system RC38 through RC56 today may establishing early claim use channel assuming club works assigned-channel basis Quite few clubs already wont surprise see lot doing have 50 channels work George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Midget Mustang/Reese Continued page 34 supply stores will soften remove glue Cut out parts Dremeljigsaw sharp X-Acto knife true up large sanding block cut out both sets wing ribs same time gluing two sheets wood together contact rubber cement separating parts soon cut out spray contact 126 Model Aviation NEW FLYBABY-BIPE COMBO Outstanding Precision Hand/machine-cut Kits Made USA FLYBABY $7950 BIPE $9500 COMBO $11000 Span 56 44 Weight 4-5 lbs Wing load 22 & 14 oz Engine 30-45 FS 25-40 TS field conversion 10 mm AEROPACER $8900 Sport-trainer Span 64 ht 5-7 lbs Wing load 19-25 oz Engine 45-65 FS 29-45 TS Span 54 ht 5-6 lbs Wing load 15 oz Engine 4565 FS 35-50 TS Add $450 postage handling direct sales Mich residents add 4% VISA Mastercard money order Oealer inquiry invited AERODROME MODELS LTD 2623 S Miller Rd Saginaw Ml 48603 517 781-3000 DH6O GIPSY MOTH$10900 COS COxBEN SUPER ACE 1/6 scale Light Weight tor 05 Elec 3 channel Radio or oie 015 2 cycle Engine 54 span Ole cut Machine cut Parts $3995 send SA5E 3rochure Add 5300 S end H coo Add $200 Calif Rae Add 6% Tax Master Card 916985-3549 Sat & Sun Pharia Modata PO 30$ 804 Foisom CA 85830 cements such Scotch brand dont make quick permanent bonds brushon contact cements should used Wing Pin bottom leading edge sheet wax-paper-covered plan Glue /86sq spruce bottom spar back edge bottom sheet could substitute in-sq hard balsa spars Pin n trailing edge plan easier least partially taper trailing edge razor plane before building wing Pin down strip t/o6-in balsa just ahead trailing edge hold back ribs up 6 cap strips Glue ribs W-l W-1O Glue 6-in plywood doublers W-2 W-3 Glue rest ribs add top spar point ribs glued spars trailing edge bottom sheet still down flat plan Glue -in-sq leading edge now pull up bottom sheet glue ribs leading edge Using notches landing gear blocks W-2 W-3 guides cut slots bottom sheeting landing gear blocks Glue gear blocks wing Use short pieces landing gear block material vertical blocks glued W-2 Glue Vi6-in balsa front back vertical gear block additional support Run 0/32 drill down notch vertical block through landing gear block hold wire gear Pin wing back down workbench glue top front 46-in sheeting Glue /16-in vertical-grained shear webs between spars ribs important wing pinned down flat surface doing could build twisted wing thought following method aileron construction after struggled through sequence Swallow mod el gluing -in-sq top bottom pieces ailerons can cut out breaking ribs dont want notch ribs Y16 x /16 balsa could glued tops bottoms ribs both front back aileron gap Once rib ends trimmed face ailerons back edge wing -in sheet balsa Note notches ribs -in-sq aileron spars shallow top edge spars cap strip Glue cap strip center section sheeting Glue -in light ply bellcrank mounts control horn mounts Install e-in wire pusbrods Cut pushrod longer wing panels will overlap can easily soldered Notice hole rib W-4 smallto act bearing prevent wire pushrod flexing Install aileron bellcranks Goldberg 6-in aileron pushrods control horns control horns tached ailerons two #2 sheet metal screws instead nylon screws Continued page 131 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 includes 4 oz Slick Lube Price $1200 no lube Slick costs $1 75 Poetpaid ill US Via UPS Cal add 6% tax SMALL BOX 1/4 lb rubber $450 size Orders up $1500 1/4 lb rubber pads-c. add $150 UPS Over $15 add 10% tEEW e rebber classIcs PSI pegs AIr Express MInI-PuN Crecket heeks Frent end asselnlhles SPree kits Stardfhter SatellItes wInders hardware leeks mere ZONA SAWS famous line hobby saws Razor #200 $255 Universal #500 Saw set #100 $450 Replacement Blades available dealer Send $100 1986 Catalog FAt Model Supply P0 Box 3957 Torrance CA 90610 April1987 127 AA3A * WE ARE SHOOTING DOWN- 4CUSTOM CUT CONTEST BALSA HIGHBALSAPRICES- -All Sheets Piece ed Close Tolerances WITH SUPER QUALITY AA Grade Dried ped 100% Satisfaction Guaranteed rious modeler want performance Direct Only must try 4-6 lb balsa BALSA SHEETS 36 45 30j BALSA STICKS 3645LIGHT 4-6 LB BASSWOOD ~ 36 48HARD MAPLE18 3/183/1840 1/162331/16 1/409261/8l813171/438 3/322401/16 310BALSA TRUHGLES 36WOOD3/161/4 3630181416 233/83/846 1/8 x2431/161/2141/41/4251/323493i63/8 381/838 20 27 3/812 50 3/162493/321/4103/83/6301/203493/161/2 463163/1612243/83/458 1/4 2563/323/8121/21/2351163493/16 3/4 60316 382332123468 1/323373/321/2163/43/4453/323561/41/4 42316123040 1/203371/81/806 1/8367143/6 491414 26 37 1/1633749 311/8 1/411 163/16376tr43/480143830 42MARCH DO WELS36 3/3234488 371/8 3/812 18BALSAPLAHKS36 1/43863/83/860141235 471809 1/8 38471481/8 1/218 2411883/831153/81/270383837 5231611 3/1636262 553/163/1811 16121501/231303/83/4901414 1/4 37395 613/16 3/817132003/432201/21/2605/1625 8/163883/16 1/222 3014260133001/23/400 SPRUCESI3CKS3641 3832 3/8 388 124 711/4 1/416 2411/232751/164781/8 1815 1/2 3110 1551/4 3/819 2611/243603/324911/8 1/418 24 3/4 31681/4 1/221 30222251/84160BUHDL/8 3/820 293ftYB886H 45 1/1645678 481/4 3/434 44233253/164117EDEALS1 3/3247094 561414024435144130201/63386/853/1631625 16412525 1/8 480 156 605/165/1621 28334953/64207201/18436 102014 1431 13212425 203/323368414 3/836 5011612435 3/16493 122 753/8 3/827 37346561/24282153/3243038 3/845 62 1/4 4118 134883/6 1/232 4638 1255 701/812450 3/8 4165 2283/6 3/442 55TAPEREDSHEETS 36151/8330715 B260 88 1/2 4225 2613/81521/4265TRAILING EDGE 36101/843667512 3468 88 1/21/23653143851/4132153/16336900 SPLYBIRCH 48 MATCHED SHEETS 42123446623/826051611410316436810 3/3212570 3/3241001/21583/8360 3/81 1/246101/43306301812585 18410058 5848123120 1/2276101/4430800 SPFIUCE TRIANGLES 36 31612585 103/83368503/83/8451812600 316412034 346753/84366251/21261 14413151/233054034 3477 LOHESTAREPXYIHSTAHTGLUE51/2430855GROOVED LG MOUNTS 9,Ls1.8451 , Thick256103/32440845 BALSA MUI LINE I 5nj5981 ,Th/n29651/8448465l2InehS 15,i5962cThck560 53/16448585LITE PLY483/834/18/40 Call 806145 639410. 6 pinCsntrITme30eic6982,ft,5505144486251/861503834/5/32/40 LONE STAR MODELS1/8123001/234/3/16/45 1 23 57th St Lubbock TX 79412Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accept Visa Master Card personal checks COD 4-1/8% Ia nTeas US carrenco on/p Mnrmarn Order 01000 SA53 Midget Mustang/Reese Continued page 127 come Actually bolts pro vided will hold plywood threaded 1/16-in hole Glue 6-in balsa pushrod exits bottom wing give finished edge covering around pushrods Glue -in balsa wing tips wing tips can cut scrap left over stabilizer Sand root ends wing panels proper dihedral angle large flat sanding block glue two wing halves together Block up wing tip 2 under W-l0 correct dihedral angle no spar joiners strength wing joint provided 3-in-wide piece fiberglass cloth finishing resin Ace RC sells 3-in cloth easier use strip cut larger piece cloth Use resin microballons fillet edge cloth balsa sheeting Blot off excess resin toilet tissue should just enough resin saturate clothbut no puddles Feather-sand edges glassed area Sand wing finish fine sandpaper plan use Enya 46 power move wing forward fuselage use additional weight larger fuel tank required will also have adjust widths formers F-4 F-7 F-8 accommodate Enya Fuselage Cut out sides glue x -in strip down top edge nose tail Glue balsa doubler between front edge firewall past F-8 back edge doubler extends past F-8 angle 1 also piece 3A2 x -in nose F-4 along bottom edge sides Cut out firewall F-3 3/n ply wood attach engine mount 440 bolts blind nuts Cut cardstock template firewall angle using top view plan guide Using template glue firewall fuselage sides glue second side Cut out other fuselage bulkheads glue /o2 x -in strips stiffen balsa bulkheads Glue F-4 F-8 pull tail together glue Add F-9 F-7 Glue F-5 F-6 cockpit floor Glue F-2 -in-sq top forward stringers Glue -in-sq tail post shown side view plan glue top rear -in-sq stringers top /i6in sheeting applied two piecesone F-2 F-6 other F-6 tail post Choose light straight-grained balsa top sheeting piece together sheets make pieces slightly larger necessary Tape forward sheet place mark canopy opening Cut canopy opening smaller canopy can trimmed close fit later Before gluing top front sheet add finishing detail want cockpit did YYFV%v Use TATONES THRUST TESTER determine maximum engine output using different props fuel mixtures RPM levels OPTIMIZE YOUR ENGINES OUTPUT TATONES THRUST TESTER TATONE 30-13 M MOTOR MOUNT ENGINE CONTROL April 1987 131 New Robart RIGHT ANGLE DRIVE Dremel Moto-Tools NowAt Last lou Can Drill Grind Cut Sand Polish IN PLACES YOU NEVER COULD BEFORE FIRST TIME AVAILABLE great precision tool has tough ABS housing hardened metal gears lifetime lubricated bearings Attaches seconds Dremel Moto-Toois sears Crafts man Rotary Toois MUST FOR THE SMALL TOOL WORKSHOPORDER NOW AND SAVE fl Check enclosed NJ residents add 6% sales tooI Please send nre tents indicatedE Cirarge E VISA m MASTERCARD E AMEX ______________________________I []#50353 aronce Searing Drive Moto-Tool nrsdels 270280370 Anof #Eop 380 Sears Craftsman Rotary Tools S1SSh ship- E Ship order COD $200 addItIonal ping List 52dS524 110CR CDD In204 AOA 01045 fl #50356 Sail-Searing Drive Moto-Tool models 270280370380 CREDIT CARD PHONE 1800-225-1 066 NJ s Craftsman Rotary Tosis oniy $3d5s $200 shipping Name __________________________________________________ List 53555 57 Sall-Seaong Drse new Moto-Tool models 275285 Addr ___________________________________________________ I355 tsr $3495 $200 shipping List $35Sh ________________________________________ Send year FREE 48 page catalog Datsrde USA send $2 00 Ctty State Zip Llunderefand Ihaf lam completely natlaf led may retain order immedIate refand DO YOU HATE TO INSTALL HINGES st exciting product introduced RIO Field * Reflects its name easy hinges install * A Single Slot Few Drops C/A Glue Gouging Pinning Hinge Pins worry about * Dont let small size fool theyre Incredibly Strong * Virtually Indestructible Designed 1/2 Thru Giant Scale * Demonstrated major RC Model Shows * Available Hobby Dealer 24 EASY HINGED $295 137 NPacjfic St Suite DSan Marcos Ca 92069 SAFETY STARTING LOCK Check engine THE LEADER IN COMPETITION PROPELLERS SERIES 100 THP DESIGN DIAPRICE 12 14 299 13379 479 15689 16989 TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 a 8 677 /28 677 / 8 67 678 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10 TO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833456179 8334568189 84566/a7199 9456677199 1045667209 229 0BEW219 SW 116EW239 11/a67239 124W279 125W279 256279 349 659 459 64N969 1678969 16 RC PYLON RACING SERIES 500 DIAPITCHPRICE 75N 5/aN279 8 67/a78 299 SERIES 400C 866777289 9777289 W WIDE BLADE EW EXTRA WIDE N NARROW paint inside Cockpit flat black Dont glue pilot until glue canopy Apply bead glue along top -in stringer glue top front sheet Pull side sheet down around bulkhead fuselage sides Trim top sheet fuselage sides back edge F-6 fit right finish gluing top front sheet Follow same procedure top rear sheet will need make relief Cut sheeting down centerline rear able make sharp bend required Dampen sheeting out side after gluing top stringer Pull sheet down around trim fit finish gluing Cut out fuselage side engine Dont cut opening larger cheek cowl will cover Bolt engine place slip F-i place mount spinner Center F-i spinner fit leave 6-in space behind spinner Glue F-i Fit wing fuselage holding place sliding 80-grit sandpaper along wing saddle until saddle fits wing wing place centered drill -in hole through F-4 leading edge wing -in dowel wing mount Drill 3A2 hole through trailing edge wing F-7 rear mounting bolt wing still place run -20 tap through wing F-7 Drill wing hole out -in drill set threads F-7 drop Zap Run tap back through F-7 clean out threads Glue bottom rear 46-rn sheeting Tack-glue chin block place carve sand shape Cut block free mark positions firewall F-4 inside chin block Hollow chin block about /I6 thick leave ridges glue F-3 F-4 fin extends down through turtledeck glued top stabilizer Cut out tail surfaces -in light balsa sand symmetrical airfoil shape sand elevator piece cut out V rudder until after shaping gluing -in dowel joiner slot has cut through turtledeck Cm Cut slot carefully razor saw cut will remove little -in-sq post taper ends stringers Cut slot side turtledeck just above fiielage sides stabilizer stabilizer glued top edge sides Glue stabilizer place glue Cm slot top stabilizer Finish sanding fuselage tail parts #200 aluminum oxide garnet sand paper Remove engine mount give entire fuselage tail coat Balsarite Brush least coat Balsarite onto radio compartment three coats onto engine compartment around F-4 F-7 protect wood oil fuel Lightly sand off balsa fuzz FULL LINE OF ELECTRIC SYSTEMS t Parts Avari SHIPPING & HANDLING 84 Page CATALOGUE Up $800 add $150$200 PP/laO Class $801 $2000 add $225A copy will sent $2001 $4500 add $300 free--when requested-$45 01 $7000 add $350 order over $7000 add $000HOBBY HORN CA Addressees add 6% taa15173 Moran St Send MO Visa/MC6-Eappo Boa 2212 Check allow up tO 30Westminster Ca 92684 days CK clearance 714 8938311 COD Exact Charges plus $100 Hdl Cash Only[Aft Hrs 714 8951203] 1 32 Model Aviation HO1 Old Timer _2JL ftam gJ&rw Lastss 8 las NODEL Il4adeL REceSS BREAKER 1941 BROOKLYN DODGER 06 Cabin~*RNEWESTa Retail $52 95INTRODUCTORY PRICE* $3800 1930 Record Breaker 96 $6956 1939 Zipper 5450356 1430 Kloud Kin0 63 $4236 1941 Brigidier 56 $0076 1941 Super Guaker 78 $32 76 1940 So Long 50$3036 1936 Buccaneer 80 54996 1938 Clipper MKI 72$4156 1937 Dallaire 108 $75 16 1935 Miss America 84 $7196 1941 Playboy Sr 80 55116 1941 Playboy Jr 54 53110 1930 Powerhouse 84 $5356 1900 Sailplane 78 $8076 1930 Trenton Terrar 72 $4076 1940 Ranger 4653196 1939 Korda Wake 44 $1916 1939 Mercary 72 6 kits qualify SAM events 1FF 4 RIG feature highest quality machine cut & sanded parts Superior alt Coopetition sheet strip wood wire & window waterial Plans orig FF wodets easily convertible 2ch R/G KITS Sal/planes Electric power Gas Hobby Horn SENSOAR Glider 78 $1000 Midway Model GNOME R/G Hand Launch Glider$2400 Jolly Models FLINGER R/G HLG 50 Span$2000 Midway Model FAST EDDIE Acrobatic /05 Elec$1900 Jolly Models ELECTRICUS Electric Glider 05553250 Leisure PLAYBOY SR 67 Gear 05 Elect $3008 Astro ASTRO SPORT 37 Direcl 05 Elect $2250 Leisure WASP 37 Direct 05 Electrics$2250 Midway ULTRA MK IV 00 Geared 04 EP $3900 Midway FLYING GUAKER 04 40-454 stroke $6478 Oks/Midway DENNY JR 72 Alum Cowel$6396 pOK2o5uc 196 RELIABILITY IS OUR PRODUCT a. Rated 30 Amps 600 DC Color Co-ordinated Connectors Designed anything electrical requiring quick disconnects Ideal Power Pock Connectof electric planes cars boats Designed high vibration environment Cycled ten thousand times electrical failure dJ Anderson Power Products Inc SORRY NO PERSONAL CHECKS OR COD ORDERS Only certified checks money orders accepted Minimum order $1000 three packages 4 Powerpoles $300 per package plus $100 ship ping handling CT residents add 755/ sales fax Prices subject change notice Dealer InquIrIes InvIted further information dealer prices send SASE Bus Card SERMOS RIC SNAP CONNECTORS Cedar Corners Station Box 16787 Stamford CT 06905 Four Cycle its St. OPS 12 over iiu cam shaft four cycle engine have waiting features needle bearing rod ABC piston sleeve ring slide valve carb automotive type cam valves muffler other features Parts People New Orleans LA 70186 242-5967 Cover model EconoKote MonoKote original Midget Mustang P-Shooter polished aluminum like chromeand trimmed black chose chrome MonoKote seemed difficult work other colors Sig has chrome new line Polykote iron-on coverings may easier use although havent tried first did like chrome color scheme air orientation difficult have since got used dont have problems flying now Midget Mustangs have painted colors very nice EAA Museum mostly white red trim Paul White also excellent RC builder flier built Midget Mustang old Formula paint scheme yellow red black trim air plane meticulously finished no sign rivet panel line Paul way also builder Phil Krafts Super Fli looking documenta tion picture Pauls Mustang February 1986 issue Kitplanes Replatech International has Hirsch three-view drawings NiON N9N Manimy Mammy done overall black yellow trim race numbers black trim model used Coverites new Graphics trim sheets trim available red black white yel low blue material very thin vinyl fuel-proof no sign vinyl coming loose exposure fuel after year regular use does shrink heat will melt Keep iron off forward part Sig 12-15-in bubble canopy works great canopy model Lay canopy over plan find section matches shape back edge canopy over laps turtledeck F-6 about /16 gluing Mark around canopy balsa top pencil trim away excess wood Leave -in edge gluing Pierce covering w glue get wood Glue canopy place RC-56 -in strip plastic tape color match applied around canopy joint nice finished edge used Pactras Formula U silver paint cheek cowls spinner tried chrome epoxy sprays wasnt fuel-proof wasnt chromecolored regular silver paints originally used Formula racing wheels wheel pants lightest possible units However after couple months flying wing sheet ing above gear blocks began cracking 0 ring wheels transmitting too much landing shock wing Conse quently changed standard Du-Bro 2in wheels problem stopped wheels could used built-up wheel pants Sigs Citabria Cessna 150 plastic wheel pants called out plan slimmer Williams Bros racing wheel pants made 2-in smooth contour wheels As much like wheel pants have flying Midget Mustang out main problem wheel pants model wire landing gear rack backward hard landing punch hole bottom wing Fortunately design wheel pants tear covering patches easily Fit Sig Mustang 450 cheek cowls fuselage sides Paint left cowl before gluing fuselage Once right cowl Continued page 136 April1987 133 See now local hobby shop Al Featuring fast service qualified eopie latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTHm AUTHORIZED SERVICE CENTER FOR kruft U I_ Pro Line I- 1 Futaba 43 West Nine Mile Rd Pensacola FL 32514 * Sales Service er Inquiries Welcome * fits fuselage side engine install engine make cutouts needed Cut out air inlet exit holes exit holes should about three times size inlet Glue air baffle rear positioning peg drill matching h-in hole fuselage side Prather Dzus fastener cowl mount best way hold cheek cowl fastener locks releases just quar ter-turn screwdriver holds tight wire loop held firewall two sheet metal screws can adjusted out Once positioned correctly tighten screws Zap wire screws wire place locate hole cowl Dzus fastener drill hole 1344 drill bit Once pushed place fastener will turn easily will fall out Make another cutout exhaust pipe made short exhaust pipe OS FS-40 A-in aluminum tubing pipe-flaring tool short straight pipe gets oil exhaust under wing keeps airplane cleaner new pipe 1 long use ground wire starting battery soldered piece insulated wire glow plug fastener loop start engine sure wrap wire once around plug twist before soldering Wrap couple turns insulated wire around wire loop before soldering end Vibration kept breaking wire until strain taken off solder joint Alligator clips can attached wire loop through air exit exhaust pipe starting did bother needle valve extension can reach needle valve finger cowl off once set rarely needs adjusting Originally used 6-oz fuel tank changed 4-oz tank model little nose-heavy still adequate fuel OS F 5-40 IMAC Nats last year both Dennis Carlson flew Midget Mustang through two uninter rupted sequencesand still several minutes fuel remaining after landing opt two-cycle 40 Enya 46 will need larger fuel tank Mount servos far rear possible receiver 250 mAh bat tery pack fit under cockpit held place sheet /32 balsa -in-sq rails glued fuselage sides balsa sheet will slide forward access foam padding will hold place use in-sq balsa pushrods Yx 6-in wire bent right angles attach servo outputs adjustable devises control horns Wrap wire ends balsa pushrods thread secure drop Zap Swallow other lightweight 05 FS-40 model presented October 1986 issue Model Aviation Midget Mustang two nicest-flying airplanes have ever call out together very similar size power weight configuration two airplanes have given hundreds flights both relaxed exciting Theyve put new level fun flying Because easy way fly through maneuvers skill pilot has improved greatlyespecially landings felt comfortable right first takeoff both models rocksolid stable no tendencies tip-stall once did downwind touch-and-go pulled up sharply quick go around again again induced stall naturally watched Mus Continued page 138 1 36 Model Aviation GONTIOLIIK TillS PROFILE0 COMBA PRA T WIDE & NARROW WEDGE 15-- 6 oz Capacities UNIflOW & STIIDD Ingredients Fo detailed baochute500 stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-553-7169 AlTENTION ERS Tolding AJ INTERCEPTOR4 95 lete U-build Kit photos easy instructions 50FF PLEASE ADD 5300 00* POSTAGE NASA SAFEST FOUR Ii EU 0 0 S AIRCRAFT COMPANY PO Box 68132 Portland OR 97268 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLAIT CONCEPT FLEET HOSTETLER 0CM T-CRAFT SHEBER PIUS 1 8 7 SCALE SUPER CUB FOKKER 0-7 BOEING P12 P-2B F4B2 FHB4 SPARROW HAWK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STARDUSTER II U SCALE J3B1 BABY FLYBABY N OTHERS WHEEL PANTS FOR CITABRIA STARDUSTER II PIUS SKYBOLT LIBERTY SPORT CHRISTEN EAGLE PBE HAWK MULLIGAN & OTHERS Please seed $100 complete list supply Modelers With fiberglass parts plans Write Call us T & D FIBERGLASS SPECIALTIES 30925 Block Dept 5-C Garden city MI 45135 PHONE313421-6358 1 BRAZED Ri HEATTREATED WIRE GEARS & CABANES PHONE 313 261-9064 V7Fvr PAN FUNG FT PAN ROLIfl PLAN 819 FThGLSSS CWLS$20 Arno PXi N PARTS PO BOX 939 OJkJ NY IA760 32 ADD I2%WTTWWY Aim BX tang begin shudder everything stopped flying right front No problem plane though just apply power continue nothing happened just slight pause climb out gallery behind agreed other airplane would have crashed least six times light wing loading forgiving nature airplane will let get away things might kill heavier model few weeks ago very windy day couldnt resist temptation try hov ering model wind ground speed dropped zero could make model rise fall playing throttle otherwise sat motionless just over head Midget Mustang such versatile airplane really does makes flying fun Scale Doc/Kruse Continued page 39 model its drawings scale ruler omitted loss points will dis astrous Color Markings Documentation have separate authenticated state ment color markings paint chips photos specifically included show color markings place include things Also include some sort labeling system brief commentary intent purpose display judges will know what youre trying show Photos Other Supporting Matedais last area along threeview probably critical far securing good static points photos displayed should aircraft have modeled Photos support efforts should discarded unless some specific logical reason clusion possible brief caption line under photo also useful help judges see what want see Good crisp black-and-white photos no smaller 4 x 5 very useful Color pictures better unless colors chosen aircraft documentation material should placed sequentially binder some sort prefer three-ring loose-leaf binder preferably oolor complimentary model Since several people will hand ling material during course contest season its best place page inside clear acetate page protector avail able office supply house scale ruler should also placed within binder possible should attached some way prevent being lost made card stock holes may punched will fit three-ring binder plastic ruler try attaching Velcro inside cover binder As stated FAT RC CL Scale rules Proof scale responsibility contestant Hopefully exercising same diligence collecting organizing packaging scale documentation typically evident construction model builder will find himself winners circle far consistently Good luck next Scale project RC Soaring/Blakeslee Continued page 41 also outstanding builders creative ideas such Ken Stuhr builds some beautiful fast models comparable anything coming Out Europe Jim Riggle Portland currently dulging himself Marks Models -scale ASW-20 project should beautiful sight see could go on know clubs have individuals never hear about wish did hill heights vary 600 1100 ftwith wind direction being little conse quence least site should work conditionall within 15-mile radius Inciden tally over Oregon coast spec tacular site known Cascade Head 1295 ft high looks directly Onto ocean lift dies landings can made face bill quite nice grass Anyone wanting fly us can contact 632 Meadows F Richland WA 99352 Thanks report Wil sounds like slopes just what Bill Liscomb looking Wil sent quite few photos letter taken top slope shows huge absolutely beautiful valley down below Unfortunately lacked sufficient contrast print magazine Wils other photos show range plane types can flown slopefrom /4-scalers Thermal ships jetFokker D-VII VK Model Aircraft PO Box 3007 Aurora 1160505 312-357-1883 ZMA Name Street Addreas City StateZip 138 Model Aviation