ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation
Edition: Model Aviation - 1982/04
Page Numbers: 20, 21, 22, 23, 24, 25, 26, 27, 73, 95, 100
ese ce minly NJ dc classy ap machines being n aircraft c deveic Won Star stages -powered latter thn vith conven made tli look fora 1 mai ed ship sembly nd rig field U vely take etet ince al ge e other ch ong ur L NO OCR TEXT Neat radIo Installation looks better can preventa crash dueHatch sub-fIn allows easy access stabllatortorque rod linkage Two vIbratIon Throttle servo ahead battery packscrews hold hatch Goldberg Angle Hold-Down works well too fixture edge 1/8 match plan location Using small triangle position glue using Jet Hot Stufi ribs Wi proper location aligning triangle plans below Make sure determine ahead time wing half building mark accordingly avoid costly error Remember will building left wing half top-side-up right wing half bottom-side-up Position Wi 1-deg 45-mm angle off vertical glue place done approximate dihedral simplify joining two wing halves later An adjustable triangle works great step dont have just tip Wl back 1/16 its maxi mum thickness off verticaL sure remember half building tip Wl proper direction Position glue two top spars ones facing up place Remove wing half 22 Model Aviation Removing cowl allows complete access engine throttle linkage tank tuned pipe OS 7B carb used K&B 65 Wheels positioned ahead wing leading edge canting tipping retracts makes takeoff landIng very easy Engine fuel tank compartment should tnorougnly fuel-proofed slow-cure epoxy Blind nuts under wood mount engine bolts choose build fiberglass cowl Styrofoam plug should look lIke plug must conform fuselage sides Holes engine ana xan comparrmern vor cooming engine tuned pipe help drain oil gunk etore enciosing tuned pipe compartment fuel-proofed epoxy aluminum foil glued top reflect heat OF A~POOr1/16 PL1NOC TIP /8 BALSA ON1/200 ALUMINUM 1/16 PLY PLATESTORQUE TUBEGOLDEN ROD INNER TUBE 10 STAB POOT RIB JR7/ jUl FOR DOWN GEAR--- FURTHER PULL IS SERVO PUSH- FIRST TUG RELEASES HOOKHOOK UP 10 LOCK RUDDER DOWN BALSA LJI~ILJ- eDUBROWHL b-7 COLLAR F-21/8 PLYWOOD3/8BALSA BASE UP AND LOCKEDSPRIN6 HELPSHOOK SUPPORT WHEELROCKSAND LOCKED TILL LOCKEDOVER CAM F 1 1/4 PLYWOCO/8 SHEET1/32 PLYWOOD FUSELAGE- FIBERGLASS COWL ON 1/16 PLY FRAME 1/8 X 1/4 LE BALSA 1/8 X 3/8 SPARS 1i16 FACED 1/4 PLYIAD KEEL I/B PLYNOD DU BRO NO 138 LINKAGE TABS /B X 1/4 SPRUCEI TAIL WHEEL ON BOllOM COfJERS3/32 M WIRE THRU 1/32 PLYWDD HAiCH1/8 BRASS TUBE 1/8 WIRE IN BRASS TUBE FROM AILERON SERVO 3/8 X 12 BALSA AILERON HARDWOOO EDGE 1/16 SHEET BALSA TOP BALSA. . BALSA TIP 1/4 DOWELS 12I/4X 3/8SPRUCE IN WING CSI/B PLY~0CS SPARS1/32 PLYWOOD PLATE K B B 65 CC ENGINE1/16 BALSA WALLS FOR LGLG RIBSTOP AND BOTTOM 3/47/s MAPLE MOIORGOLDBERG TWIN GEAR RG 2 RETRACTSYSTBAI/B BALSA RIBSI/4X 3/BBALSA SPARS3/BBALSA TRIANGLE LE BALSA UNDER COWLMOUNT NOSE TO F-I2 /2 DIAWHEELSBOLTS 10 HARDWOOD WITH 1/4 BALSA SPACERS BLOCKS W/T-NUTS 24 Model Aviation wing built using balsa fixture blocks underthe leading andtralling edges An adjustable triangle aligns center rib Wi p0. e retractable gear build thewing accordingly ratherthan trying modify after Its built sheeted Bolt hardwood mounts tothe retracts position retract assemblyMark ailerons avoid getting mixed up during final assembly spot glue mounts remove retractsNote spruce trailing edge Fuselage skin 0 1/32 ply must marked accurately tO avoid misalign ment during assembly Cut hobby knife straightedge quaring DIOCK5 ana y2-in spacerare used assemblethetuselage box accurately Drawing center line building board helps Once fuselage box glued add temporary balsa reinforcement brace between Fl F2 support sides box Before gluing box fuselage skin check alignment rolling box side side starting center line 3/B BALSA 1/32 PLY D-D NOTE EPOXY WING HALVES TOGETHER ThEN REINFORCE1/B PLYWOCOOULDBERG TWIN GEAR RG-2FISTSRE ALISPI LINED VBBALSA2 RAG VRBALSA 2 RED VRRALSA 2 RED SISIR TOP ROTPB BALSA RE PB BALSA 2 RED VSU/4 BALSAI 2TOPBBOTTOM-R S/B I-/2 BALSA TAPB BALSA2 RED ROBART STEEL PINSTOCI WITH ROUNDEDALRER TORDUE ROD HINGE POINT AREDILUONG EDGEPB WIRE WITh BRASSDABU-IRBALSA1GB PLY BOTTOM PUG BEARINGSI/B SO SPRUCETRALING EDGE STOCIG9 LB BALSA 2 REG 2 RED 5-6 r1-- 3/52 BALSA 2 RED S-S S2BALSA 2 BEG 3/22 BALSA 2 BED S/32BALSA2 BED 132 PLYWOOD FUSALAGA OUTLINE1/BRALSA 2 RED NOTE T145 LEA ID NOT ALIGNED I/IA DIA MUSIC WIBE WITH THE TOP VIEW IN TREW NO SELF TAPPING BUSIIING COWL PIN 2 REDLARED LENGTHWISE DIRECTIONWITH 1/4-20 TAPPED HOLE FOX F3/4 DIA SLIM JIM ALUMINUM SPINNER7/IA MAPLE ENGINE ARYINT 1/4 V2 SPRUCE SERDG MOUNT 2 AEDVSD PLYsos BRASA OILED -NOrE TOP OF FUSELAGE NOT DROWN FOR CLARITYI YWOOD A-A ~111—.IiIIJUSELAGEELAGE TOP VIEW JUU 1- IITBPLY 2 BED1/16 PLY HATCH TAB] HATCH ROIBEONCERFITTED NODE HOLES aK- 1/B PLYWOOD GRAD1/32 PLYWOOD WSAG SA[52E FILLETDOLREER GREG VBR 16 SPRSEEV32 TEFLON REARINGO7DIA WIRE - FUSELAGE DOUBLERPODITIONEO TO INSIDE SF FUSELAGE2 REQUIREDGUWD IN PLACE 2 RED PB BALSAFINROD RAE BR 65cc ENSINE NO WOOSE ORSOP BASSES PIPE PR PLYWOBA UGUIL TAB W/U-UBRCINENUrABEA--4 --- / -4 AIR EX4flSIDE______ 3/RLBI~--~~LL-EVIEW_______TLBNEUTGI/RSIARAR r ' KLIUBEBEBLEBFL~SERVAN --- RUD 1B5jQj5255/J5 iUBENERI 1 14-4BP4LBN---4J'---ELESETOR PIJiEODZrBATE BaLE S 01W 5/B FUEL YANK Arr IPRER DREBAS I JtBRRREBBBPLIWAINTOIMDOEE 0-I________ B NDSI GVB ENDS BE TIS REQ BEE-ARES NB IUBIPRI IRUBBRT3LESFUELARJfl PUABRECEIVERII~-______-4BRED UACIBR W/ I/BSALSA 9AlL p PLYRUDDER4-RB TAP BAA FDSBBEPUSHROD- IRBALSAIWRUB PB BALSA3r 4I --L ------------P32 PLYWOOD32 FL WOOD3/B BALSAI/B UlABA TIRE 5/4 BALSAF-2WOODDCREW 2 RED /HA CH6PLYWOOD5430 MARIA WIRE REMOVAR E HATCH -P32 PLYWOOD/4 FL W PGRENOVABLE BATCH VIA PLYWOOD FRAME~T LI WELMAD BA 37 OS 5/AG40 FSR ENGINEI/BPLY-C G-PIBBALSAWING /4 20 BAtON BOLTYWOODA~k\TNDIB TAR BREEC HATCHLBATSP4 FL FLOORPIE PLYWOOD ~----f1K\ SADNANAIBM IU/UZIIA PB FL REELCELLAR W/WASBEBA /4 FL-RBILAUBA RE DOUBLER /4K4IAY1IRBERET CScRAWL CIBA BALSA BLOCKS1/B K1K4i2I FLTAP B SOnORA B CASTRAL ___WREEL4COWL4-FRAMKFRONT WING PLATEIJ IN DOWN P05S/BAt__6 ________LjHF 2 NEUTRON STAR PRESAUBE COWL TOP VIEW ALTERNATE BALSA COWL FOR SOC ASHAJST ENGINES MAKE BY CARVINGRI I/IA PLYR2 PA PLYWOOD55 PA FLYF 04374KB DESIGNED B DRAWN BY 3 GILGENBACH AND STACIANG BALSA BLOCKS 2 REDO AND ONE 3/B BALSA BLOCK2 REQUIRED2 REDISRED2 REDERREDIITIY~YITRAaNG BY JOE DEMARCO B 4 4 0 -S CD 3 Cl fixture position glue two remain ing spars place Add alsa piece betweenW6 W7 Addthe balsa block -in dia wing locating dowel Cut torque rods bushings ends length Assemble bend torque rod assem blies Put Vaseline bearing areas lubrication Assemble torque rod assembly 5/16 x 1 trailing edge Glue two 4 balsa sq spruce strips assembly sand top bottom flat Prepare small trailing edge piece wing tip assembly wing half retracts used install RI R2 R3 time Reinforce balsa filler blocks however install hardwood retract mounts time Sand sheet wing half Add cap strips Lay wing half flat portion bottom surface remainder wing hanging off building board Position glue trailing edge assembly trailing edge tip wing half careful glue torque rod anything Cut out well portion retract standard landing gear used install typical hardwood block mount -landing gear strut retracts used sheet well area Install gear first bolting hardwood mounts retracts blind nuts posi tioning retract assembly wing location unit will function properly Spot glue mounts place Super Jet double-check gear action Once satisfied gear operates properly unbolt gear mounts permanently Super Jet mounts place Cut out retract servo second wing half completed same point Add center brace epoxy two wing halves together placing -in sq spacer under center section wing inverted Cut out top sheeting Wi ribs aileron servo add 1/16 plywood bottom plate Reinforce center section 1 -in fiberglass tape add center fairing back wing up retract servo cavity Add wing tips retract servo mounts hatch floor Cut out plywood front wing plate Fl drill two -in holes both pieces stacked assure proper alignment Epoxy wing front plate dowels front wing fairingto wing Glue pruce edging aileron sand shape Fit ailerons wing dont install permanently Now place wing location wont get damaged fuselage consists plywood box inside 1/32-in plywood outer skin Carefully cut out fuselage compo 26 Model Aviation After half skin glued box apply glue other half roll place holding clothespins modelers clamps Maple engine mount positlonca paraiei work surtace ana glued fuselage sides Clamp until glue thoroughly cured Make sure atabilator torque shaft parallel wing saddle shaft rotates smoothly being loose Before doing painting accessories should installed checked smoothness operation saves lot trouble later Plans show builtup stabilator could also made toam core sheeted 1/32-In balsa 1 no piywooa suD-rin also serves ass mount forthe tall wheel Part sub-fin access door stabilator linkage nents Make sure parts required duplicate identical can make especially two Vs plywood doub lers maple engine mount can made few simple machine tools Acquire small piece 5/4 1 maple local lumber yard scrap pile table saw cut off 7/16-in piece Next jig band saw cut out shape cutting out 1/32 plywood skin lay out center line onto both sides accurately can Lay out vertical center line formers Fl F2 carefully too Assemble two Vs plywood doublers Fl F2 forming fuselage box Use 5-mm epoxy thisstep assure proper alignment set up assembly building board former center lines aligned straight line building board former sides per pendicular building board center line top surface would suggest using squaring blocks simplit procedure will nec essary use -in spacer under F2 Once glue fuselage box set up add temporary balsa reinforcement brace halfway between Fl F2 support sides box Next add two triangular balsa pieces back side F2 sand flush sides doublers Lay 1/32 plywood fuselage skin flat glue two Vs x Vs spruce longerons doublers stabilator should noted photos show stabilator doublers different location drawing Installing doublers per drawing will allow much better knife-edge flight F3 can also glued doublers skin point Before gluing F3 check make sure fits properly rolling its home position one-half fuselage its home position other side does roll perfectly position other either sand its radius smaller glue balsa onto radius Accurately position box assembly onto center line skin Roll box over its home positions skin note align ment roll box other home position note alignment Remove add material radii ofFi F2 until proper alignment attained both home positions Now epoxy box skin two home positions brushing 15-mm epoxy onto box sides rolling box position starting skin center line After epoxy has set remove fuselage assembly building board wet outside portion skin will bent water mixed ammonia After radi used portion thoroughly soaked very carefully bend skin halfway its final shape will normally bend its proper form immediately wil require rewetting rebending several times before will bend way cracking important thing patient try form skin its final shape first try Once can bend skin final position brush 15-mm epoxy onto box side Fl F2 F3 bend skin its home position clamp box formers clothes pins modelers clamps After skin clamped eyeball straightness entire assembly use center lines reference Make minor alignment adjustments necessary epoxy vertical stabilizer post place After epoxy has set clamps have removed place fuselage onto flat building surface Fl directly surface -in spacer under F2 Clamp epoxy maple engine mount Fl fuselage sides measuring height mount building surface ensure mount parallel building surface Align engine engine mount mark drill four mounting holes install four 6-32 blind nuts Note will necessary drill out K&B 9130 engine accept 6-32 mounting bolts Cut out balsa floor pipe compartment glue plywood pipe mount Brush Hobbypoxy Formula 2 around engine compartment pipe being used brush Hobbypoxy inside pipe compart ment top side pipe compartment floor fuel proofing Apply aluminum foil pipe compartment roof top side pipe compartment floor Super Jet Test mount engine tuned pipe assembly pipe compartment floor temporarily positioned place sure everything fits properly epoxy pipe compart ment floor permanently place Position stabilator torque shaft through rear fuselage insert two 1/32-in thickx A-in wide x 1-in long teflon substitute plastic bearings gaps between holes shaft Using flat toothpicks between hole bearing shim teflon Continued page 73 Apf ii 1982 27 Rudderand stabilator servos mounted behind winghelps keep pushrods rigid allows enough room pipe compartment Five bottom hatches allow easy access stabilator linkage rudder stabilator retract servos retract mechanisms rudder/tail wheel linkage simple very rigid Note two 4-40 socket head cap screws hold stabliator halves shaft Exhaust ducting out side keeps oil away wing saddie joint helps minimize cleanup Holes cooling TOLEDO/82 TWENTY EIGHTH ANNUAL R/C EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO Reserve April 2 3 4 1982 attend WORLDS GREATEST RADIO CONTROL MODEL SHOW fea turing worlds largest Swap Shops no dealers complete refreshment centers Saturday Night Auction raffles complete nc systems accessories acres free parking Bring latest completely finished models display enter competition ex citing awards Complete n/c systems will awarded first second third place winners new COLOR TELEVISION will presented lucky winner Best Show Open public three great days presented WEAK SIGNALS R/C CLUB PO BOX 5772 TOLEDO OHIO 43613 APRIL 23&4 FRIDAY 9am 6pm SATURDAY 9am 6pm SUNDAY9am 430pm W4c3 extremely cautious using MEKP can still cause blindness contact eye occurs column being written New Years Day will read late February early March Let us remind RCers havent already done now would good time have radios serviced before contest season upon us Maybe working OK hung up last year maybe wont work well today An ounce prevention worth pound cure Have safe month John Preston 7012 Elvira Court Falls Church VA 22042 Fun/Winter Continued paqe 18 ballast Raves DeBolt rotates wing stab angles incorporate downthnist dont see works better ordinary downthrust dont know Hal did first Live Wire about 1950 Air Scout Concept found fast groovy beautifully coordinated Mike loves An Owen Kampen design has taken over Concept Ace 15 takes 7-in diameter prop flies far nicer 8-4 three-channel joy youve stick time Srull still flying Flitecraft CardinaL Moves out like Kavalier ailerons 35 So smooth problems vanish provided have gone beyond Primary fascinated Flitecrafts boxy 29 trainer three channels Looks different high cabin stumpy Its some what-Scale Polish Wilga have soloed youll love step up Asked beginnerwho doing wellif might fly find yourself tooling around rudder banking unbanking rudder aileron Would love have fun flying speed Highly impressed Airtronics Q-Tee Until now weve seen flown TDs huge thrust offsets right down guys zooming over joint fighting wind crate going like rocket-kite So along came beginner young couple first crate never flown birthday gift flew big Christmas judge didnt fly Christmas would aeronautical instructors helped put up Quite beautiful glide went forevertwo 360s over fence happy couple jumped up down mad delight Things like get Bill Winter 4426 Altura Ct Fairfax VA 22030 Neutron Star/Gilgenbach Continued page 27 bearings snug shaft keeping shaft parallel wing saddle confi dent shaft aligned properly Super Jet bearings fuselage being careful stick bearings shaft little Vaseline shaft will help prevent Scrape inside bearings allow easy rotation shaft excessive play Install bottom engine tank com partments Cut out engine cooling passages fuel proof both compartments Hobby poxy Formula 2 Install remaining bottom fuselage cluding sub-fin fit two hatches Continued page 95 STERLING MODEL Priced Right 821 Ibi1 Srr Radio Control Control Line 1525 Engine 1 Wingspan 33 Price $2495 For Radio Control Control Line 049 eng Free Flight Rubber Power Penny Pincher Gliders HiHellcat H2Mustang H3Piper Cub H4Cessna 180 H5Sabre Jet H6T38A Thunderbird Wingspan 13 Price $198 Full Color Covering inclu ded Handsomely detailed just like real airplanes Youll Fly Everyday Just put 2 nose weight Catalog Request STERLING MODELS BUILDING 3620 G Street Philadelphia PA 19134 Catalog entire line airplane control line model kits R/C scale Trainer Kits boat model kits ac cessories etc $100 enc losed Name Address City StateZip April 1982 73 lxii Wingspan 40-5/16 Scale 2-1/8 ice $4595 r Cuts Coverite & Monokote better other longer blade Lasts much CURVED MICROBLAD PROTECTS MODELZ7 &TABLETOP OVER TS YOU ARRY VA POCKET ~T1IMIT IN CGVERITE 420 Babylon Rd Horsham Pa 190 ite method finishing model would like recommend Apply good epoxy primer fuselage cowl vertical stab wing tips stabil ator tips hatches wheel wells paint such K&B Super Poxy Cover wing stabilator rudder Super MonoKote am discussing finishes would like clear up popular myth black airplane difficult see Think about fly plane color far away what see either lose sight completely see black silhouette Neutron Star black start therefore has less tendency blend background using con trasting color top top bottom can also easily distinguished few full-sized aircraft painted black answer quite simple black absorbs heat causing expansion certain sec tions others remain stable result out-of-trim aircraft Neutron Star left Out sun too will go out trim until cools down flight Just keep Neutron Star shade flying Trimming flying After plane finished assembled check out controls again ensure function properly stabil ator contrary popular belief overly sensitive As matter fact quite gentle Start out travel trailing edge 7/16 up accomplished differ ential throw adjusting servo arm Cox/Sanwa servo An Airtronics servo has same type splined output shaft use another type servo adjust centering screw until proper throw attained spins snap maneuvers travel should approxi mately 11 / 16 up 13/16 down use Continued page 100 SNOW WHITE 20 Joe Ranpuntes beautiful model SNOW WHITE mon euery beauty content entered late 1930y Featured Charlen Granty Model Denege feotboyk Teis 31d nize nersine perfect tor modern RIC flYing Weue many reguenty 15 to 35 Engine 3 4 Channel 8/C Synten. 68 Wingapon . 700 Sq Wing Acee 4/ Lb. Full Srze PLAN N PATTERN SET ROFF $1495 Pricey Complete Plans Sub Assembly Detailey Party Lists Add $2 yg Mailing Tune Details no new deyrgen & great thingy Income Send Sf56 frefuedablel information IUR OEIIGN 4E*SE5a KITS 1/4 SCALE SEMI KIT13900 1/4 SCALE COMPLETE KIT .199OO 1/3 SCALE SEMI KIT16900 1/3 SCALE COMPLETE KIT. 22900 ADD $750 FOR SHIPPING 5/Is SCALE SPAN 80 WEIGHT 201 ENGINE QUADRA 1/3 SCALE SEAN 106 WEIGHT 201 ENGINE QuADRA SEMI KITS CONTAIN SAWED AND SANDED FORWERS WALL WING RIBS TIEd RUDDER AND STAB OUTLINED SIZE PLANS COMPLETE KITS CONTAIN THE ABOVE PARTS o ALL PINE AND BAlSA STRIP WOOD WANE SEND *1 00 FOR OUR CCSIPLETE CATALOG PHONE 419 599-2121 April 1 982 95 THE GREATEST HOBBY SHOW ON EARTH IS COMING NON-SELLING SHOW LONG BEACH CONVENTION CENTER L E Ocean Blvd Long Beach CA 90802 IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA$3995 OOISiSHEL.A FLYWHEELSits 95 OSATRA MARINE origiroSt 2d 95 OADRA 0EPAiffSiR 00 $110 yIiy K 05hZ roy 00 i2$S cI0199 go Jo MysoERcOUPEPLANS $2395 KT y22y 95 0 MrccoTOMAHAWKPLANn $2395 KIT $23995 SALSA%I0D1 LIllY LIIsireN35 OFI Coocoyl FEET KIT- nyiTygy PS CoW SiR OS OLATRA feI liliEs 1601 y6 95 32 5795 1 3 SICKEST 0 LEWiS MACHNE GUN KITS 01400 10 i COVERED WHEELS 101 SA Pop 029 OS PLANS SUPER STEARMAN 1 4 SoiloR S2SOS STAROLISTER TOO 1 4 Bcioo 1] 02995 1 3 5070 r-3 Lo1y-Nr 52Ry5 oOLKSPLANE 1 T Ci Coil- 521 9S 05SOOT 1 3 51055SE-S 1 3 S COCKPtT KITS SomoErroK Edo-i SyIlon S2t 95 [loupe Sf795 SI eluri ni 52095 Cl-in 0 $249S J-T CIr 919 50 ME-iSO S21 Sb [len Sf995 FIBERGLASS ARROW SHAFTS S/fR e 32 long 6/51000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAlleqany NY 14706 Photo s shown necessarily completed kits P47 Military Scale $180 INCLUDES Top Flight P-47 kit Rhom retracts Aerosport 6 channel radio 5 servos Fox Eagle 60 engine J-3 CUB Quarter Scale $227 INCLUDESBud Nosen 1/4 scale J3 Cub kit Kraft 4 channel radio rvos auadra engine mount & props $212 Super Hustler engine SUPER KAOS Fast & Fun $185 INCLUDES Bridi Super Kaos kit Proline 5 channel radio 4 servos OX Max 60 engine $205 Rhom retracts items shown plus HUNDREDS others individually offered tar sale recent issues Hobby Swap News model en thusiasts 'Used Equipment Guide BuySell-Trade first ad free 50 words ritax subscription $10/yr 10 issues $19/2yr $27/3yr Add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa Accepted include numbers expiration date Expect 4 B weeks delivery tor 1st issue address changes Submit free ad B&W photo $2 extra subscription orders Hobby Swap News Dept AR-3 PO Box 834 Santa Maria CA 93456 LOWERING THE COST OF HAVING FUN 0 dual-rate feature radio accomplish both above throws aiterons should have throw 5/16 up down roll rate three rolls five seconds good spins aileron throw should 7/16 up down Dual rate allows both throws Consistent stall turns spins can achieved rudder throw oft right however knife-edge flight four-point rolls require much less Check CG Normally necessary add ballast add weight necessary stay within proper CG range took normal precautions during building phase gross weight should under 6 lb retracts tuned pipe Neutron Star simplified versonwith fixed landing gear standard muffler can built flown anyone has successfully built flown low wing aileron aircraft such Sig Kougar Goldberg Skylark 56 especially resistant wingtip stalling has no bad handling characteristics retracts dual rates hot engine muffled tuned pipe Neutron Star turns real grooving screamer can go horizon horizon no time flat perform ing AMA Expert maneuvers ease Roll Materials Bals Four t/32 x 3 x 36 twelve t/16 x 3 x 36 3/32x3 x36four x3 x36 x3 x36one x3 x 36 x 36 1 x 3 x 36 three 36 two xPh x36four x x36twosqx36one sqx 36onexx36TEstockone5/t6xlx36TE stock x 36 TE stock two ngular stock AireraftplTOne l/64x3 x6onet/32x 12x48one l/t6 x 6 x 12 x 24 x 12 Hardwooda Two 36 spruce two 36 sprucetwoxx36spruceone5/41x3x12 maple x 6-in hardwood dowel Hardware pr Goldberg twin-gear RD-2 pr Du-Bro * 250T wheels Williams * 137 wheel two Du-Bro * 140 wheel collar four Du-Bro * 138 wheel collar Du-Bro * 139 wheel collar two Rocket City *69 aileron swivel link four Du-Bro #136 6-32 blind nuta thirteen Du-Bro * 135 4-40 blind nuts two 4-40 x -in button-hd cap screw 4-40 x -in soc-hd cap screw two 4-40 x -in soc-hd capscrew two4-40 x 1-in soc-hd cap screw 4-40 x 1-in round-hd cap screw 4-40 lock nut -in ID x 12-in brass tubing 3/32-in ID x 12-in brasstubing -in OD x7/16-in LD x 12-in aluminum tubing x 36-in music wire 3/32-in x 6-in music wire 07-in x 1-in pushrod wire two 1/16-in x -in music wire Wing self-tapping bushing -20 tapped hole Wing -20 nylon bolt fourteen wood screws six Robart steel pin hinge point Sullivan SS-12 fuel tank Robart Super Fueler Miseellaaeous materlals 1-in Gold-n-Rod inner tubing 005-in x 1-in x 4-in brass shim stock 1/32-in x I-in x 6-in Teflon 12-in sq 6-oz fiberglass cloth Ace 1-in fiberglass reinforc ing tape Electric Champs/Jolly Continued page 29 22 direct-drive models 24 geardrive models four Old-Timers entered given number placed static judging area contestants viewed models made choices recorded registration desk results Gary lttner 1st place direct drive Larry Jolly 1st place gear drive Ross Thomas first Old-Timer Garys model fea tured 13% semi-symmetrical section glass fuselage built-up tail surfaces Utilizing Leisure racing system all-up weight 50 oz Larry entered 05 version F3E Olympian model features all-wood con struction wingspan 875 wing area 750 sq Eppler 205 airfoil 43 allup weight model used Larrys own de sign 3-to-i gear drive 1 2Va-8 fiberglass prop Ross Thomas entered Leisure 67-in Playboy model reduction Playboy Sr kitted Cleveland model used Leisure motor unit coupled Astro gear reduction unit using 11-7 Rev-Up prop Immediately foilowing judging Round began 50 contestants broken down 20 five-man heats Im afraid weather didnt cooperate contest Santa Ana wind conditions prevailed day Saturday damaging models Because bad winds man-on-man system really helped out scores end Round Two Roland announced names top 24 would proceed day two extra surprise 24 top finalists received free Sanyo battery pack valued $35 top 24 much anticipation Sunday dawned rare California day cold overcast low ceil ings sky showed constant threat rain top 24 broken down four six-man heats two rounds run smoothly uneventful weather remained constant ships got high enough max Saturday continued through Sunday noon semi-finals over now up Mike Harper Chuck Welman Pacific RC Soaring Assn computer operators calculate results much ex citement mass contestants gathered around Roland announced top six qualified last flight Mike Charles Jeff Rebholz Mike Reagan Frank Heacox Frank Chasteler Steve Neu would final fliers Field Director Larry Jolly announced last flight would launch 100 field busy contestants helped finalists prepare models long last flight 100 six finalists ti mers standing middle field sky flat gray overcast wind cold definitely poor soaring con ditions Larry asked competitor check model timers clear watches heads nodded six ready models launch position over heads Larry counted down 5-4-3-2-1-launch models away Steve Neu trouble model suffered some kind ra dio failure others climbed away bleak sky Mike Charles Jeff Rebholz battled out highest climb minute 25 seconds Larry began countdown 54-3-2-1 shut off Gentlemen good luck Mike Charles high man maybe 100 feet higher Jeff Rebholz about same height over Mike Reagan Frank Hea cox obvious modelers trimmed minimum sink five models sinking slowly ground Frank Chasteler first down just over four minutes Frank Heacox managed six min utes flat air conditions point Jeff Mike same altitude Jeffs Olympian having slightly better minimum sink Mikes Ultra Mike Reagan Mirage some questionable air Charles Rebholz immediately headed Reagans thermal 100 Model Aviation