If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00
Edition: Model Aviation - 1984/08
Page Numbers: 92, 93, 94, 95, 167, 168, 170
If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00
Edition: Model Aviation - 1984/08
Page Numbers: 92, 93, 94, 95, 167, 168, 170
If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00
Edition: Model Aviation - 1984/08
Page Numbers: 92, 93, 94, 95, 167, 168, 170
If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00
Edition: Model Aviation - 1984/08
Page Numbers: 92, 93, 94, 95, 167, 168, 170
If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00
Edition: Model Aviation - 1984/08
Page Numbers: 92, 93, 94, 95, 167, 168, 170
If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00
Edition: Model Aviation - 1984/08
Page Numbers: 92, 93, 94, 95, 167, 168, 170
If youve modeling number years may remember Control Line sport flying almost neighborhood High-revving engines annoying non-modelers sound make have resulted severe curtailment close-in flying sitesto general harm activity quiet power source such CL sport models four-stroke engine could help turn tide IN THE DECEMBER 1983 issue Model Aviation Associate Editor Ross McMullen expressed ideas concern ing use four-stroke engines Control Line flying Concerning remark able power plants Ross stated have some chance continuing enjoy pleasures CL flying going have shift engines reduce annoyance factor neighbors comments led develop model test bed flying CL models four-cycle engine Strangely vir 92 Model Aviation Though intended competition ma chine Softee very maneuverable 0S 40 FS has plenty power pull through verticals pic Vernon Clark Left The top spar bottom trailing edge place ready gluing CyA Place tip blocks level another deter mines flat wing will Right two wing panels epoxied together use jig wires alignment clothesepin clamps Left Lite Ply fuselage sides sheet top crutch two plywood bulkheads two hardwood engine bearers basic fuselage pieces Note landing gear already has bent attached bulkhead Right Engine bearers epoxied directly Lite Ply sides Doublers front arent needed type construction Notice cutouts stabilizer extreme right tually no plans kits available well suited combination weight power four-stroker Therefore decided design simple yet attractive model OS 40 FS engines have con sidered produce roughly 60% power two-cycle same dis placement chose what would ordinar ily largish 25-sized model ever added ounces engine weight offset smaller fuel tank need ed four-cycle nose mo ment length comes out about average Although prototype uses drawing shows 2-oz Fox tank nearly excessive four-stroker will run very long time 2 oz fuel have also learned 05 40 FS akin 30 two-cycle power department Running four-cycle isnt difficult though some things different two-cycle instance staring fourcycle high-speed throttle position possible four-cycle has tendency backfire mode loosen ing prop rigged wire two detent positions enable starting low throttle advancing high Starting no problem setup keep things simple use same 10%-nitro Sig fuel use two-cy cle engines wide-bladed prop such Rev-Up W Y&O seems well-suit ed torque characteristics four-cycle last consideration using four-cycle engine place fuel tank much higher usual owing placement carburetor well above midline mount second generation four-cycle engines just now reaching market have placed throat nearer centerline recognition setup Softee have found engine runs just well inverted does upright runs steady positions experience four-cycle engine well-suited Control Line flying would good others give try would guess 60 four-cycle would well matched currently-available 35-size kits Just shorten tank compartment perhaps alter tank height designs having built-up fuselage side-mounted profile would need relocation engine bearers find Softee attractive would like use first attempt four-cycle CL flying can tell delightful fly having above average maneuverability addi tion remarkably low sound level engine provides new dimension instance Softee very descriptive name Construction adhesive use de pends builders choice course prototype constructed al entirely thick cyanoacrylate CyA glue exception use 5-mm epoxy engine mount bulkheads August1984 93 Left This parts kit constructing wing Ribs stack-cut using master patterns made plywood Simplicity indi cated low count parts Above rather novel wing jig used Ribs drilled wire rods end blocks hold ribs off work surface ruler used precise rib spacing First construct kit shaped pieces tracing plan backed up carbon paper appropriate wood part wing ribs can cut pattern desired case use plywood metal tem plate guide reduce center-sec tion ribs top bottom sheet ing As first step bend landing gear install bulkhead Also drill required holes Wing wing can built con ventional manner shimming level over drawing consider wire jig technique shown rib stacks rough-cut Dremel saw sanded accurate outline drill press drill stack using pattern guide four holes quick way getting lead-out holes left wing two holes will used jigging jigging technique recom mended anyone drill press holes must absolutely paralleL seems very difficult saw out symmetrical ribs jigsaw As long wing assembled ribs related other thing seems work out OK Using rib pattern drill holes two sections 1 x 2-in x 3-in pine Again mark tops fronts Thread 3/16-in music wire through holes slide ribs onto wire certain ribs related other using marks Fit other pine block onto op posite end using ruler draw marks trailing edge material spars tine up assembly blocks placed perfectly flat sur face everything checks out squareness directions glue thick CyA may helpful merely tack-glue bottom spar finish gluing after wing removed jig leading edge strip occasionally will slightly bowed requiring pin two hold assembly Pull wire out panel Voila have pretty fair wing panel too much effort Repeat process opposite wing panel making certain build left right unit right panel bay shorter Remove pine block end panel slide wire part way out both panels flat slide wire back center section first panel align joint Use cut-off ends spar material double centersection joint EPOXY BRASS TUBE Ij STAB 1r H S/B 3/B SO BALSA LE -_ I/4 BA XIS 5*447 BRAIIFO WIRE LEAD OUTS NYLON IPINNED HINGES vi IFORMER B XIS SH-SS4 CONTROL HORN FUEL LINE HOLE ELEV 1/4 LIGHT BALSAFORMER _____ ATTACH TO FORMER WITH FOUR XIS SH LX CLIPS B SCRE S-V4 I/B MUSIC WIRE LANDING GEAR PATTERN 0 Install bellcrank plywood floor knife join holes left panel create slots leadout wires Go ahead install lead-out wires However dont add wing tips until later needed next few steps may unnecessarily dinged installed too soon Left The fuselage top block bottom point used jig assembly Stab blocked level position balsa scraps stab must square fuselage midline Right Crossjrained bottom sheeting added assembly still board Razor saw used cut out wing slot removed piece reinstalled after wing has mounted piece trimmed perfect fit 94 Model Aviation Softee reminiscent sport CL designs has points distinction prototype painted white Sig Skybrite trimmed just enough look finished FULL-SIZE PLANS AVAILABLE. SEE PAGE 172 3/B SQ BALSASR_DOUBLER --- -ING PLAN TOP VIEW --ffi ~~i---1l-- 3/B SO BALSA SPURS 1j--BELLCRANK ON jTOP 8 BOXTDM B PLY MOUNTII IIIIIIII I14~LIII iVI ____________________jEL iV____ -2----wu42 _ LOWER PART OP TE CONTROL HORN8 BOTTOMAND PHOTOS FOR DETAILS 3/32 BALSA CENTER SECT SHEETING _II 44/ BALSA TOP AND BOTTOM S/IS BALSA NOTE RIGHT WING IS SHORTER THAN LEFT ONE BAY ADS ONE OUNCE OF WEIGHT W-I 3/52 C-GRAIN BALSA /4 LIGHT BALSA STAB S ELEV CENTER RIB _--__ -- •ACH ENSINE TCI I/B PLYWDOFUSELAGE TOP VIEW LE MOTOR MOUNTSS/B BALSA RELLCRANK MOUNT H 4-40 BOLTS NCRUTCH ND NUTSFLAP CONTROL HORN JOINER WILLIAMS BROS 0 FOUR-2 SPORTSMAN PILOT JUINE9 WW II CANOPY3/32 MW FOX BO7 FUEL TANKGIG WC BOG 2 2-1/2 ON LITE PLY FLOOR / - C S LI III I 3/B SO BALSA 3/32FILLER BCUT OUT AFTER ASSEMBLY2/22 BALSA BOTTOMPLY 3/35 SCRAPTO INSTALL WINOI CROSS GRAIN BALSA SCRAPBALSA FORMERS /IS MUSIC WIRE SKID 3/B /2BRACEI/B LITE PLY MAPLE MOTOR FUSELAGE SIDE VIEWFUSELAGE SIDESMODEL AVIATION MOUNTS B MUSIC WIRE LANDING SEAR 21/2 WHEELS NOTE FUSELASE IS BUILT UP ON SOFTEE U/C FOR 40 FOUR CYCLE ENGINE DESIGNED B DRAWN BY JOE JOHNSON TRACING BY JOE DEMARCO ALL RIGHTS RESERVED bellcrank pushrod flap horn flaps installed temporarily point Make certain everything free binds before adding center-section sheeting photos include error horn must top surface match elevator setup presents no problem pushrod secured bellcrank flap horn point construction elevator pushrod will secured flap horn wheel collar during assembly Above: wing epoxiBd place fuselage still its top long ruler used place wing exactly parallel sta bilizer square fuselage use burnedout fluor escent ballast weight author did make sure label says Contains no PCBs Right little carving sanding converts simple box fuselage attractive shape Canopy spinner standard commercial units wheels Banner fuselage Sand wing smooth set aside construcing fuselage August 1984 95 456 S Fuselage top crutch Continued page 167 B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706 crutch Allow epoxy cure pull tail post together glue thick CyA Cover bottom fuselage cross-grain 3/32 sheet except area 2 behind trailing edge wing razor saw cut hatch shown plan allow access wing saddle Remove section carefully will reattached later Carefully seat wing sad dle checking accurate alignment measuring under tips being level wing tips tail post being square seated perfect alignment CyA-glue wing saddle Install 4-40 solder clevis ele vator end pushrod other end pushrod wire goes flap horn secured wheel collar pushrod made two pieces 3/32 wire held together length 3/32 inside diameter brass tube ad justments can made before brass tube silver-soldered place Using horn holes shown drawing will provide 30 deg up down both elevator flaps Note Both flaps elevator must absolute ly level neutral Return cutout wing top trimming necessary Complete fuselage bottom including tail skid Remove building board Sand flat sides round top moder ately large vertical fin such model has prefer cant entire surface right instead cutting angling separate rudder Its sim ply prefer appearance single-piece fin Add wing tips lead-out tubing Sand whole works smooth prepara tory covering covered wing prototype World Tex Two coats Sig Skybrite filler applied wood sanded entire model spray-painted white Skybrite Accents come Mono Kote trim sheets Sig Stripe-Rite tape Vinyl letters purchased office supply store wheels Banner 1/8-in wire axles Flying 1 oz lead weight glued right tip fin offset shown model has excellent line tension adverse amounts yaw model flies comfortably 015 60 ft lines have flown 70-ft lines Softee flies much faster anticipated yet corners smooth well-controlled combination seems ideal flying windy day exhibits little tendency jump bump long landing gear necessitated need 11-in 12-in props best suited four-cycle L GLASS CLOTHO6 oz Lightest heat cewsabg glass dSfI06 ezJsq yd 5 Satisfied customers 46 States 824 CountrIes 151t$20U .3OfL$386033Wide O Poatage Pd us ft Canlmnoediate shipment O Check MO MasterCard & Visa welcomed DAM PARS WES PEODUCTS -Dept 11801 FuIme, NE Afluqusrque NM 87111 15053296-2353 r WE HAVE LISTINGS OF USED RADIO EQUIPMENT FOR SALE Minimum fees Escrows availablj Send SASE details iWO EWJIPMBIT EXCHANGE lax 51 Dept mA Pink Ferest IL W46 engines An 11-5 wide-bladed prop works well engine-model com bination An added benefit rather stalky appearance exceptional smoothness ground both take offs landings model certainly doesnt rep resent ultimate CL designs four-stroke engine splendid sport stunterwhich hopefully will generate interest concept Just predicted noise level very low little objectionable bark associated two-cycle model engines As matter fact fly rather congested residen tial area have asking neighbors model bothers have no complaints As matter fact gentleman said wish some lawn mowers neighborhood quiet Its plain four-strokers have Continued page 170 168 Model Aviation Lz u. p-acm KIT RAL cO~ EXACT REPROOUCTIOU ow $OO REAM HEIR HOW o.vWELL THEY FLEW hel.des ee mesl6e t 65 ples seed Ta UedelsPO see S mjl ~I5IIOUB NOSTALGIC GUT t Power Soar New Heights S LT-50 GEAR MOTOR Leisures Gear Drive conversion 31 powerful LT-50 develops up 2 lbs static trhrust Gear Drive also features ball bearing Delrinlbrass gearing glass loaded polycarbonate housing Send self-addressed stamped envelope catalog ap plication notes Leisure 11 DeerspringllrvinelCA 92714 gasoline 10 foot coils TUBING LSILICONE lD.002 092 125us POST S/cell235 265 325 544 iCOIL LARRY DODGE AERO INC 10 MAMIINGSTILLWATER MN 55082 STICKaTISSUEMODELSFOAM SCALE ARE GREATIMODELS BiKnewdeeattOWObddee wilhadiffaoenceyoullenloYat Iowestcost5eveSlSOSisdeslgnsavebbis hi antique sic wedlieds S homeisits Send $1OOOor hitestplans let loan ed GETA POiSE CO-2 MOTOR - SCALE DOCUFiNTATION E DRAWINGSMODELPLANS PHOTOS BOOKS CATALOG t: KENZIE HWY EPLA-TECH 1984 AIRPLANE INTERNATIONAL 48500 MC VIDA OREGON 97438 HObbY Horn Wing Span--lO Wing Aree--56# Sq Thu SENSOAR ilidur HOBBY HORN Eaclusivel HOBBY HORN Kit SENSOAR Gilder kit isa high quality kit Machine cut 6 sanded parts Select qualty balsa spruce Detailed plans wrItten instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED t 51900 ____Pmtsi P & 14 Soon-Kits Combined full siripwood plan Now md Wire Window etc Mat Note may purchased just semi lcits plans-write call prices 1936 Eoccaneer04$Sl 1938 Clipper UK t72$39 1937 Dallafre Sptser100--$61 1940 Ranger40- $27 1939 UercurylSSO 1935 Miss Amerlcs04--45O 1041 Playboy Jr -54929 1941 Playboy Sr00S48 1930 Power llouse-04--S43 1940 Sallplsoe-70- $74 1940 So long-SO--$2O 1930 Trenton Terror-72-S32 1039 Ziper54--$4O 1930 Korila Waltefletd-44- 017 MIDSAY MODEL CO beml-kits Combined wfstflp 1030 FlyIng Quaker04949 1937 Quaker Flash-0T$30 1037 Long Cabln70S42 1937 Air Chief0 40 STRUCKS 1540 7110 Span 035 Sq .eeUaseSEMIKIT Plan lncl-$33OO Kit$6300 16W UBUE Combo Full SCALE_PLANS mnd DRAWINGS SSO HEINKEL HE-lOW 62 60s $1000 Send 000 VisaIMC*Exp 15173 Moran Street Al days check clearance Westminster Ca 92603 CODExact Charges 714 0930311 reopen nearby playparking lots Control potential grounds Line flying RC ScalelWischers Continued page 45 formed canopy cowl decals Navy-type trainer Ace also has another item aimed Scale modeling group C $Y1CE CN -RUB8ER COPD NEXT TIME 170 Model Aviation FLY THE BEST uses large servos long wire leads re motely-located servos large 150 in-oz servos sometimes small 26gauge wire furnished radio systems isnt adequate carry current loads par ticularly battery pack switch harness Ace now offering larger 20gauge 19-strand wire three colors eight-foot lengths RC system can re-wired needed also offer heavy-duty switch harness ready-made Noble switch Deans connectors 20-guage wire available other sources have fewer strands therefof subject vibration break age unless precautions taken pre vent wire bending near solder joints Bob Violett Models come new carbon fiber shapes strengthen weak spots Scale models add ing unnecessary weight Magnalite shapes now include strips sheets rods thin cord wrapping joints addition laminates carbon fiber end-grain balsa Bob also producing landing gears -in A-in scale Lasers made carbon fiber laminated core fiberglass gears have less half weight aluminum will return original shape after stressing unusual landing loads Super-Scale models year two building weekend-special train ers equally vulnerable damage loss due battery failures lomar Prod ucts marketing Solid State Battery Backer can used model will carry additional load extra battery pack switches over extra pack whenever voltage first pack reduced below 44 volts good share Scale jobs need extra nose weight anyway just substitute batteries lead weights Jomar also has Acces sory Controller provides two actions single transmitter control lever moved either side center example internal external bomb loads can dropped separately using same transmitter control moved either side center truly outstanding model static display Merritt Zimmermans deHav illand 60 Moth biplane another handmade four-cylinder 45 cu four-stroke 1924 Cirrus engines ignition Scale construction fol lowed closely possible Tons pres sure used form streamlined brace wires using homemade dies Du-Bro puslirod wire streamlined steel wing struts formed shape 1018 steel tubing True-scale pinked tape Moth surfaces produced hand-cranked tool neatly ser rated edges exact spacing Tires made solid rubber ground true clincher shape lathe Wings tail surfaces semi transparent clear doped over Antique Coverite simulate uncolored fabric original Totally unglamorous first glance models unique fea tures gradually unfolded closer exami nation viewers passed really seeing near-perfect Scale rendition 60 Moth annual spring search Toledo perfect Scale model rewards have scant World Engines exhibit displayed new engines delight avid Scale model ers OS 120 Gemini twin has now PEPPERMINT PATTIE-60 Walter Nic Damuclc JE Performs t heefltte LEA Petterfl F BREG ASS FUSE AGE w hDesigned PATTIE ymir ebSty Wi put en AtonerS circle tereweL tedpest& wAg tiflete FLITEGLAS MODELSSeeus deeler ot Order Arest WINGSSTABILIZER FOAM GORES dhOrtO WCOIOI testery dOPOt otter tIOd Ely eheetioS MASTER KIT AILERONS ELEVATOR & R tough gended te sheEnBAA/RICH SALES Co BASIC HARDWARE- Siege tornuereds clecisee end toteaded rods HANNeAL MO h34Ot Oti 2210803 WINGSPAN-66i AREA-BEG egioENGtNEBS WEIGHT 75 bIbs spIIIII11 4 UY14 HOLD THT Fl BIT TIGHTER UI1eIItl 115C1411LEY5S Astounding rei m attamnaDme plastics.. Very light weight discriminating hobbiest. NEither Pilot version ... Sportsman .... Dam Good Amrm.. complete NEW$595 iowrmicss cale lI4ScuIe $7s 1/3 Scale 14 See Dealer add I. .. Ff0550 SoOnDollar direct order handling NYS ROndsnf 00