Cap-21: The Plane

NO OCR TEXT NO OCR TEXT duced excess 100 four five US Less year after first flight CAP- 10 followed single-seat CAP-20 July 1969 Aimed serious compe tition bowed during 1970 World Cham pionships England Pilot Robert Baudoin French Air Force placed 43rd first major competition well airplanes entire French team flew CAP-20s 1972 World Championships south France finished far behind all-conquering US team its Pitts Specials So far French government reportedly sunk several hundred thousand dollars developing its own airplane gotten very little return Problems CAP-20 considerable forcing slip further further behind other countries airplanes undergoing steady improvement CAP-20 heavy its ailer ons lacked effectiveness too stable ever become major force sport extensive changes would have made first sign French willing make big changes came 1976 prototype CAP-20L leger meaning lightweight ac companied standard CAP-20s World Championships Kiev USSR still couldnt cope super Pitts Loudenslagers 26 Model Aviation bottom fiberglass cowl shows cooling outlets scale ex haust stacks Holes forward end cowl hold-down bolts Detailing makes model come alive really isnt difficult youd think Champion logo done liquid masking film Quadra installation straightforward Note routing fuel vent lines Throttle linkage homemade Neat orderly Installation must high-stress airplane Puahrods supported mid-length eliminate flexing Lettering either dry transfer art store inked Flags regis tration numbers done liquid masking film paint Canopy attached fuse 2-56 bolts Aerobatic reference lines marked canopy 1/64 stripIng tape BRIDI HOBBIES CANOPY WITH HORIZON REF LINES 4E4 - VOD TRAY 1/4 SQ STRINGERSF 1 & P2 1/4 PLYWOOD /7- F2 Fl FIBERGLASS COWLING WITH I/B PLYWOOD REAR FRAME CLEAR HEADS HARDWOOD BLOCK LOCKS L G LEG HALVES TO BOX BEAM WITh /4- 20 SCREWS 3/16 ALUMINUM LG LEG 2 HALVES MOUNTS TO F-i ON 4 BOLTS WITH NUTS ACCESS THRU FRONT 3/8X BALSA ROS-rSBALSA BLOCK3/8X 1/4 BALSA T E FOR FIN AND RUDDERFOAM COREALL BALSA BLOCK PAIRINGI/4X 3/B BALSA/TAIL SURFIES 3/32 BALSA 1/4 BALSA CORE WITH /64 PLY FACING FRONT AND BACK 1/4 X BALSATE 1/4 BALSAIBALSA BLOCK BALSA TIP BLOCK I/4X 3/8BALSAL E 4 TAILWHEEL ON 32 MUSIC WIRE INTO RUDDER BASE I/B X 3/B SPRUCE LONGERON UPPER ONLY 3/4 TRIANGULAR BALSA LOWER CORNERS ONLY xli I/4X 3/8 BALSA SIDE FRAMES AT F45-6 I/B BALSA SHEETING FUSELAGE SIDES TOP AND BOlTOM 1/16 PLYWflD DOUBLER FROM P3 PWD TO LAP P 1 3/16 MUSIC WIRE THRU 1OROUE TUBES TO AILERONS 2 OZ CLOTH ENTIRE WING-AILERORS 3/B X BALSA TRAILING EDGE 1/4 X 3/4 SPRttE REAR SPAR AND BALSA AILERON LEADtG EILE LOTS OF KRAPT HINGES 1/8 PLYIMOD VANE C SECTION ONLY 3/8X 13/4 BALSA L EDGE1/4 BALSA TIP 1/4 PLYWOOD BOX FOR LG HAS TNUTS FOR 1/4-20 80125 4 DIA WHEELS FIBERGLASS PANTS 3/32 BALSA SHEETING WING TOP AND BOlTOM OVER FOAM CORE QUADRA IGNITION ENGINE ON 1/4 PLYWOOD BOX MOUNTED THRU F INTO P2 UA*4k CL 7 F II FULL-SIZE PLANS AVAILABLESEE PAGE 140 2cL 2 -2 II 2~ IIV iyzzz& IILUVt 2 J/jrII~2 F-j4lUJ--- liI0 2III Ii/IlII 2CJ 1 4LLj1 III0 II 12 U 2 1022 2 2II Ifl II 2II liiiH L ii/~ 2 2 e _Kir Laser 200 rest showed promise CAP-2OLS-200 version 200-hp Lycom ing engine constant-speed propeller flew first time few months after Soviet contest still lighter powerful bigger ailerons certainly best line yet given up graceful ellip tical wing Piel trademark got much blame its poor snap rolls obvious now French ever make serious try honors Worldclass competition time waste French teams political problems seemed have solved elimination military influence over selection pilots new consistency help However finest pilots can overcome handicap second-rate airplane exactly what best CAP-20s highest French pilot placed 1978 World Championships flew CAP 2OLS-200s 18th June 23 1980 Avions Mudry test pilot Louis Pena lifted off runway Bernay France prototype CAP-2 1 latest chapter checkered history airplanes begun new airplane fuselage tail CAP-2OLS-200 entirely new straight-tapered wing Aerospatiale com puter-designed Vl6F airfoil spring-leaf landing gear didnt take long determine possessed considerably better flying qualities anything come before fact test program went well after just few hours flying prototype dismantled packed up Klipped oil America 1980 World Championships held Oslikosh WI arrived Chicago assembled flown French teams raining field northern Illinois test pilot Pena Swiss 28 Model Aviation Aerodynamic counterbalance adds scale ap pearance Lead-filled mass balance es sential highly recommended Adequate clearance wheel pants crucial Struts simple must anchored firmly FULL-SIZE PLANS AVAILABLE. SEE PAGE 140 WIRE TIP FOAM CATTiNG TEMPLATE WING ROOT FOAM CUTTING TEMPLATE STABLEER TiP FOAM CUTTiNG TEMPLATE STAMIZER ROOT FOAM CATTING TEMPLATE OGET RALOA WflCH HOLLOWED EAT FOAM ARE3/32 BAlSA SHEV4 3/B WADA tEAM/B EDGE STABILIZER 14 PLY ELEVATAR 40447 IARAFT iNGEG 3/3D WALDA 3/A 1-3/4 BALSA LEAARG EDGE BAlSA TBAAIWG EDGE LANOING GEAR PLATEI/C BALSA SHEET WING WTTR 3/30 BALSA GLASS ENTIRE WING WITH 2 AZ CLOTH 25% LRE_________CALCALATED C 0 H OZ OLAGS CLOTRWINGPL1NFOAM CARE 30% LINE_____WING AREA 11534 IN_______ FELLOW B FILL WITH LEAD SHOT I/RH PLY 4 02 ALASA CLOTH TOAMDW BALSA F-4*40TH COVERING HERE-GEE TEXTI/B RHOAT HINGES I - PLT 3/A MAGIC WIRE- TOHOGE RGE- --AILERON VA BAlSA I/NH PLTWING TIP DETAIL A-VDIII/B PLY 3/3D SHEETING 3/B 3/B ES/H _ WAN AEBARYNAM CHARD BAlSA FIX/"4"""""""""""OAM CORE 3/H BALSA TRAILING EDGE ALANWB*J BALSA ALOCA COVER PLAT WING ROOT CROSS SECTION 3/32 BALSA SHEETING -K CAP-21 ___BALSA LEADING EDGE3/Bii~IDRYclE __________ __________ ___________ _________ _______-------jfIj~ FRONT VIEW OF WINGSHEET 20F2BY0 ELEVATOR veteran Eric Muller ready begin serious practice coming contest Pena familiar entire CAP family Muller flying own Hirth Acrostar achieved first third European Championships time French Swiss headed Oshkosh neither Pena nor Muller 15 hours new CAP-2 1 since less two months elapsed since its first flight much time seen transit hardly ideal way introduce new airplane much could learned half dozen World Championships flights seemed CAP-21 flown 1980 World Aerobatics Championships Louis Pena France Eric Muller Switzerland Both finished top 10 despite very little practice prototype airplane ship almost completely untried prior World Championships servo used aileron Kraft KPS-20swere used proto type Clevises heavy duty 4-40 size Scale tail wheel llnkea ruaaer DUE supporreo oy ruselage Note control cables rudder see text worth gamble Pena Muller up against best air planes best pilots Western World offer variety poorlyunderstood reasons Eastern Euro pean countries Oshkosh everyone else some beautifully prepared aerobatic airplanes ever seen Laser 200 Super Pitts Pitts S-2S West German-owned Zlin 50L two-week 200-flight contest ended August 30 Eric Muller 9th place Louis Pena 10thout 51 pilots 10 countries impressive debut such new airplanequickly followed announcement Avions Mudry factory CAP-2 1 would replace CAP20 production line after barely dozen CAP-20L5-200s built Now few hours good flying isnt enough earn airplane spot hall fame early 198 lorders least half dozen CAP 21s come several countries encouraging beginning next opportunity see airplane may have within makings greatness came 1981 British Championships Mullerplaced strong second out 10 entries European Championships set Austria August 1981 would tell Still reactions Eric Muller have meaning excellent record suggests CAP-21 good Thanks newsletter British Aerobatic Association have Erics views flying interesting machine As soon climb obvious will handle like sophisticated airplane seat comfortable visibility excellent harness set up correctly negative stresses 250 km/hr 155 mph two vertical rolls push-out level flightno sign wing drop Positive negative flick snap rolls very fast easy stop Spins flat spins inverted spins real joy high rate roll almost amazingly good slow speedguaranteed area aileron lies within slipstream propeller relatively high fuselage generates good lift knife -edge flight something distinctly notice able rolling circles Finally landing easy thanks excellent handling characteristics low speed good forward view provided familiar niceties highly sensitive tail-draggers going through complete spectrum aerobatic maneuvers repertoire am absolutely thrilled airplane What strikes look CAP-2 1 its simplicity Simple means inexpensive less problems maintenance therefore less time consumed 850408533651282519927083439 IIWTi TTt 2g CD III ---- alie112 113 lit 17152359377437904337 4557 CAP 21 2 3 4 Mt,s -I S III 4I 01 workshop time pleasure time aerobatics CAP-21 . could will improved now its excellent airplane being owner Acrostar can dream As moment wouldnt change CAP-2 I would fly Specifications Avions Mudry CAP-2 1 prototype F-WZCH length2 1 ft 2 Continued page 94 30 Model Aviation Cowl stiffener used attach cowl fuselage /4-2O nylon bolts author 1 George Stube ready Quadra-powered CAP-21 another flight Real plane isnt much bigger model THE BEST IN GIANT SCALE Make Right Choice First Time Kioritz Jr 13 Cu $15995 Kioritz 24 Mfg Suggested List Spring Special $19500 Dealer Direct Zrnger Props 15 lo 24 dorneler prlches Exhaust Manifold Kjtfrs Krorrtz Kawasak trothers Velocity Stack Kit Kiortz Quadra Six-Bolt Prop Hub Quadra Kioritz 1-Pc Cast Mount 24 aed 131 Kioritz Digital Tach Spark mpulse trrggered Bennet Muffler B&B SpecaItres Champion Plugs RCJ-8 resistor Belray MC-1 Synthetic Oil 1207 501 mIs Weve Moved Roush Mfg Rear 3405 Cleve Ave SW Canton OH 44707 216-484-6810 30% off $1000 300 1995 1595 5995 1795 250 295 R M Titan 43 Cu 6 HP $28995 Limited Availability Special Order Only ~mIEJRear 3405 Cleve Ave SW. Canton OH 44707 Send bUt tar Cataloq U nuari MPG Phone 216 484-6810 484-4374 made myself clearkeep complaints yourself Bob doesnt need weight back point needs hand shoulder say Thanks ajob well done Send months letters Bob Aberle address below just say Thanks what youve done congratulations receiving Howard McEntee Memorial Award AMA Distinguished Service Award deserve cant fill up letter postcard will Ill sneak some morning leave pile desk George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Fun/Winter Continued page 22 Speaking fun about 18 months ago ye en gineer-type Associate Editor Ross McMullen heckled us write up Sky-Lark EH-1 Japanese RC Helicopter electric powered connected umbilical cord battery source ground Dont laugh has advant agesthe manufacturer ran full pages Japan ese magazine thick ad pages appear front contents pagesome 500 pages totalthan pages Ameri can magazine Blood-hound Ross chased down details note pleasure reply addressed Mr McMutten Lets just quote Sky-Lark EH- 1 worlds first Electric Helicopter has well accepted modelers because stability potential performance can easily practice flying yard garage disturbing neighbors using power cord optional point advice Sky-Lark drains max 20-30 amps during flight Use 12V 35-40 Ah capaity find Corolla class cars power cord flight quick charg ing flight pack 1 2V batteries engine starter means typical electrical starter cannot used purposes charge Ni-Cd pack first discharge cells until rotor comes complete stop Some red ink scribbles reveal Ross calculated flight duration 12 amp hours 25 amps per flight comes out 29 minuteslets say three Fun would lathered much less time power cord special silicone seven meters long meters its time learn metric system like want Length 846mm rotor diameter992mm 96 1200 mAh flight pack four channels Mabuchi RSS4OA x 2 gross 155kg empty 12kg Price semi-kit time 38000 yennot bucks Heavens sake Marketed K K Ishimasa #2-1 Honmachi Shikuya-Ku Tokyo Japan 151 Off sunset Ron Moulton MAP England Glad piece about Dr F B Thomas 1925 round-the-pole flying interest FBT sent 16mm movie must have taken around 1927 shows whole works action outside-the-circle joystick throttle landings takeoffs prangs F B Thomas flying Control Line country 1925 technical Round Pole rather U-Control Thomas flying handle ideas use bellcrank pre-1939 ingenious bit very early models remotely-powered large engine pylon base driving wire torque rod out model via bevel gears using bicycle front wheel fork carry mechanism~ Fun recalls guy named Broderick California 1909 flew big steampowered crate length clothesline flew barn everything went up down smoke Gosh ancients really fun Bill Winter 4426 Altura Ct Fairfa VA 22030 CAP-21 /Berliner- Mitchell Continued page 30 646 wingspan26 ft 6 808 wing area99 sq ft 92 sq empty weight 1045 lb 474 kg 94 Model Aviation Dont Let An Accident Spoil Day Quick Silver Silver Bearing Paste Syringe Dispenser $1197 mci Post & Hand Field Repairs No Waste 0 22000 psi tensile strength melting pointopen flame lighter soldering iron s 14 combinations metals e Wont blacken tarnish Hobby Distributors P 0 Box 914 Rosewell GA 30077 Model Ed Mitchell HAVING BUILT flown RC Scale model CAP-20L great deal success set build second September 1980 friend showed some pictures taken World Aerobatics Championships held previous month Oshkosh WI As soon saw pictures new French CAP-2 1 knew what next project would airplane definitely novice requires certain degree building expertise flying ability would recommend anyone has built flown Pattern-type airplane characteristic sets plane apart others very thick wing section its thickest point well forward produces high-lift/high-drag airfoil flight airplane very groovy fun fly Landings however must made power-onin other words airplane must flown onto runway Building CAP-2 very much like average balsa/foam airplane consequently will go great detail will touch area briefly elaborate what feel difficult things fuselage built first constructing two fuselage halves a Pin two together sand have two identical sides Add pruce longeron 1/16 plywood doubler ngle stock Cut out three major bulkheads Note bulkhead behind wing sandwich 1/64 a firewall ood bulkhead #2 ood built fuselage upside down over top view plans Use large blocks jig up fuselage F-3 clears table Glue F-i F-2 F-3 place making sure 900 table firewall square After dry weight down forward part structure does move Using triangle blocks weights push fuselage sides together required shape Now add re vertical horizontal stiffeners tail block etc Turn fuselage right-side up add turtledeck formers re top stringers Take long sanding block least 36 sand formers once get perfect shape Add re stringers between F-i F-2 sand shape Glue up some ting wrap around turtledeck formers make little oversize sure fit wet outside sheet wrap around formers using tape pins no glue Let sit overnight Next day remove tape add glue reposition glue place Wing Standard foam wing practices used Sand cores vacuum remove dust Edge-glue 3/32 sheeting cut slightly oversize Glue sheeting weight wingstaking care induce bows warps Add trailing edge leading edge sand wings smooth airfoil shape Draw position ailerons wings Allow ard behind aileron hinge line a facing Cut out ailerons add a facing Draw center lines facing add hinges used Kraft hinges nine per aileron Make up 3/16-in music wire torque rods install shown aileron tips have counterbalances June 198295 Hobbi Shack SUPERMARKET OF HOBBY GOODS SUPER DISCOUNTS PRICES GOOD THRU MAY t82 COXTD049or051$1747 049 NO 553602 051 NO 553610 HOUSE BALSA 2x2 NO 576377 LIST $2495 1567 DEVCON 5-MINUTE EPOXY NO 566281 LIST $999$576 MIDWEST SWEETN LOW NO 569053 LIST $56 95$3499 FUTABA SAVINGS FP-4L 3 S26 servos NO71186 LIST $19995 $12999 FP-7FGK 4 S-26 servos LIST $39995 $24999 HUNDREDS MORE SUPER VALUES AND INTERESTING MODEL ARTICLES FREE All Hobby Shack customers receive 32 age SPORT FLYER regularly would like copy simply write us ask FUJI 099 R/C NO 120618 LIST $31 95 99 PMP THERMAL 73 NO 541492 LIST $2995 1788 1 SEND $100 FOR HOBBY SHACKS U COLOR AND & W CATALOGSI DISCOUNTS & UNUSUAL ITEMSI I U nameI address 3 U cityI I statezip ______________ I mail order catalogs U 18480 BANDILIER CIRCLE FOUNTAINVALLEYCA928708 shown plans very helpful suggest build Build tips a shape desired size Add 1/64 plywood outside wing tip aileron counter balance dry remove balsa inside counterbalance add lead shot andBame fuselage polyhedral composite wing epoxyutilizing MB 303515 wing section Alex invited examine model explained its wing constructionbasically foam wing balsa covering full-depth carbon-fiber-web spar Alex jokingly told model would take 200 lb forceI believe Rick Shramack flying cut down Speed Whisper flown Luxembourgian Romain Sfredda World Champs very fast model features Eppler 182 wing section fiberglass fuselage veneer-covered foam wing Austrian built-in-a-mold high-technology models Reported have designed Fridolin Fritz Id say Whisper owes much its heritage Aus trian Pfeil competition Welch held short pilots meeting announced days itinerary task would four-lap Speed 150-meter FAI course 10-mm Duration 100-point landing scored man-on-man 12-lap Distance 150-meter course also scored man-on-man Because course layout downwind towing prevailed Speed round think must unwritten rules states Two-Meter World Cup meet must have strong wind desert surroundings downwind launches please Easterners might show temperature should never get over 400 think stuff fun No wonder neighbors snicker see loading car contest Anyway flew Speed right off bat Don Edberg recorded 308 seconds 435 mphgood enough win Speed Alex Bower second 60 points clear Edberg intended repeat 1981 victory no less 17 no times Speed Rick Schramack probably unfor tunate flier round Rick got good tow Flying Set up elevator have 1Whisper accelerated onto coursea fast travel both directions Ailerons shouldtime appeared imminent Ricks caller antici have el up down rudderpated second turn Whisper cut Rick should have much travel can give tohad circle back completed course ease ground handling440 secondslosing 300 points Edberg Takeoffs snap no pun intended Hold awas Ricks mistake certalnly Landing gear Use 3/16 T-6 aluminum tofabri cate gear gear mounts U-shaped box made ood gear leg secured -20 bolts spar-gear box made ood epoxied together reinforced -in dowels T-nuts used rather threading wood entire unit epoxied use micro-balloons wing after wing halves joined Make sure entire box tilted allow landing gear sweep forward Stabilizer fin rudder stabilizer standard balsa-and-foam construction Choose wood carefully lighter better two elevator halves linked together through -in U-shaped plate control horn attaches plate well Standard construction used fin rudder Keep light rudder made two pieces foam must carefully aligned during skinning Final assembly Mate wing fuselage first make fillet plates fillets Once made use reference locate stabilizer engine Set wing positive incidence stabilizer deg positive incidence engine downthrust Finishing entire wing covered 2-oz glass cloth center reinforced 4-oz glass cloth out past landing gear box rest plane glassed -oz cloth finished K&B epoxy paints canopy Bridi now Great Planes CAP-20L kit tad right rudder add ottle oy Two- Meter/Jolly Continued page 33 96 Model Aviation HOBBY SHACK HEAT GUN

NO OCR TEXT NO OCR TEXT duced excess 100 four five US Less year after first flight CAP- 10 followed single-seat CAP-20 July 1969 Aimed serious compe tition bowed during 1970 World Cham pionships England Pilot Robert Baudoin French Air Force placed 43rd first major competition well airplanes entire French team flew CAP-20s 1972 World Championships south France finished far behind all-conquering US team its Pitts Specials So far French government reportedly sunk several hundred thousand dollars developing its own airplane gotten very little return Problems CAP-20 considerable forcing slip further further behind other countries airplanes undergoing steady improvement CAP-20 heavy its ailer ons lacked effectiveness too stable ever become major force sport extensive changes would have made first sign French willing make big changes came 1976 prototype CAP-20L leger meaning lightweight ac companied standard CAP-20s World Championships Kiev USSR still couldnt cope super Pitts Loudenslagers 26 Model Aviation bottom fiberglass cowl shows cooling outlets scale ex haust stacks Holes forward end cowl hold-down bolts Detailing makes model come alive really isnt difficult youd think Champion logo done liquid masking film Quadra installation straightforward Note routing fuel vent lines Throttle linkage homemade Neat orderly Installation must high-stress airplane Puahrods supported mid-length eliminate flexing Lettering either dry transfer art store inked Flags regis tration numbers done liquid masking film paint Canopy attached fuse 2-56 bolts Aerobatic reference lines marked canopy 1/64 stripIng tape BRIDI HOBBIES CANOPY WITH HORIZON REF LINES 4E4 - VOD TRAY 1/4 SQ STRINGERSF 1 & P2 1/4 PLYWOOD /7- F2 Fl FIBERGLASS COWLING WITH I/B PLYWOOD REAR FRAME CLEAR HEADS HARDWOOD BLOCK LOCKS L G LEG HALVES TO BOX BEAM WITh /4- 20 SCREWS 3/16 ALUMINUM LG LEG 2 HALVES MOUNTS TO F-i ON 4 BOLTS WITH NUTS ACCESS THRU FRONT 3/8X BALSA ROS-rSBALSA BLOCK3/8X 1/4 BALSA T E FOR FIN AND RUDDERFOAM COREALL BALSA BLOCK PAIRINGI/4X 3/B BALSA/TAIL SURFIES 3/32 BALSA 1/4 BALSA CORE WITH /64 PLY FACING FRONT AND BACK 1/4 X BALSATE 1/4 BALSAIBALSA BLOCK BALSA TIP BLOCK I/4X 3/8BALSAL E 4 TAILWHEEL ON 32 MUSIC WIRE INTO RUDDER BASE I/B X 3/B SPRUCE LONGERON UPPER ONLY 3/4 TRIANGULAR BALSA LOWER CORNERS ONLY xli I/4X 3/8 BALSA SIDE FRAMES AT F45-6 I/B BALSA SHEETING FUSELAGE SIDES TOP AND BOlTOM 1/16 PLYWflD DOUBLER FROM P3 PWD TO LAP P 1 3/16 MUSIC WIRE THRU 1OROUE TUBES TO AILERONS 2 OZ CLOTH ENTIRE WING-AILERORS 3/B X BALSA TRAILING EDGE 1/4 X 3/4 SPRttE REAR SPAR AND BALSA AILERON LEADtG EILE LOTS OF KRAPT HINGES 1/8 PLYIMOD VANE C SECTION ONLY 3/8X 13/4 BALSA L EDGE1/4 BALSA TIP 1/4 PLYWOOD BOX FOR LG HAS TNUTS FOR 1/4-20 80125 4 DIA WHEELS FIBERGLASS PANTS 3/32 BALSA SHEETING WING TOP AND BOlTOM OVER FOAM CORE QUADRA IGNITION ENGINE ON 1/4 PLYWOOD BOX MOUNTED THRU F INTO P2 UA*4k CL 7 F II FULL-SIZE PLANS AVAILABLESEE PAGE 140 2cL 2 -2 II 2~ IIV iyzzz& IILUVt 2 J/jrII~2 F-j4lUJ--- liI0 2III Ii/IlII 2CJ 1 4LLj1 III0 II 12 U 2 1022 2 2II Ifl II 2II liiiH L ii/~ 2 2 e _Kir Laser 200 rest showed promise CAP-2OLS-200 version 200-hp Lycom ing engine constant-speed propeller flew first time few months after Soviet contest still lighter powerful bigger ailerons certainly best line yet given up graceful ellip tical wing Piel trademark got much blame its poor snap rolls obvious now French ever make serious try honors Worldclass competition time waste French teams political problems seemed have solved elimination military influence over selection pilots new consistency help However finest pilots can overcome handicap second-rate airplane exactly what best CAP-20s highest French pilot placed 1978 World Championships flew CAP 2OLS-200s 18th June 23 1980 Avions Mudry test pilot Louis Pena lifted off runway Bernay France prototype CAP-2 1 latest chapter checkered history airplanes begun new airplane fuselage tail CAP-2OLS-200 entirely new straight-tapered wing Aerospatiale com puter-designed Vl6F airfoil spring-leaf landing gear didnt take long determine possessed considerably better flying qualities anything come before fact test program went well after just few hours flying prototype dismantled packed up Klipped oil America 1980 World Championships held Oslikosh WI arrived Chicago assembled flown French teams raining field northern Illinois test pilot Pena Swiss 28 Model Aviation Aerodynamic counterbalance adds scale ap pearance Lead-filled mass balance es sential highly recommended Adequate clearance wheel pants crucial Struts simple must anchored firmly FULL-SIZE PLANS AVAILABLE. SEE PAGE 140 WIRE TIP FOAM CATTiNG TEMPLATE WING ROOT FOAM CUTTING TEMPLATE STABLEER TiP FOAM CUTTiNG TEMPLATE STAMIZER ROOT FOAM CATTING TEMPLATE OGET RALOA WflCH HOLLOWED EAT FOAM ARE3/32 BAlSA SHEV4 3/B WADA tEAM/B EDGE STABILIZER 14 PLY ELEVATAR 40447 IARAFT iNGEG 3/3D WALDA 3/A 1-3/4 BALSA LEAARG EDGE BAlSA TBAAIWG EDGE LANOING GEAR PLATEI/C BALSA SHEET WING WTTR 3/30 BALSA GLASS ENTIRE WING WITH 2 AZ CLOTH 25% LRE_________CALCALATED C 0 H OZ OLAGS CLOTRWINGPL1NFOAM CARE 30% LINE_____WING AREA 11534 IN_______ FELLOW B FILL WITH LEAD SHOT I/RH PLY 4 02 ALASA CLOTH TOAMDW BALSA F-4*40TH COVERING HERE-GEE TEXTI/B RHOAT HINGES I - PLT 3/A MAGIC WIRE- TOHOGE RGE- --AILERON VA BAlSA I/NH PLTWING TIP DETAIL A-VDIII/B PLY 3/3D SHEETING 3/B 3/B ES/H _ WAN AEBARYNAM CHARD BAlSA FIX/"4"""""""""""OAM CORE 3/H BALSA TRAILING EDGE ALANWB*J BALSA ALOCA COVER PLAT WING ROOT CROSS SECTION 3/32 BALSA SHEETING -K CAP-21 ___BALSA LEADING EDGE3/Bii~IDRYclE __________ __________ ___________ _________ _______-------jfIj~ FRONT VIEW OF WINGSHEET 20F2BY0 ELEVATOR veteran Eric Muller ready begin serious practice coming contest Pena familiar entire CAP family Muller flying own Hirth Acrostar achieved first third European Championships time French Swiss headed Oshkosh neither Pena nor Muller 15 hours new CAP-2 1 since less two months elapsed since its first flight much time seen transit hardly ideal way introduce new airplane much could learned half dozen World Championships flights seemed CAP-21 flown 1980 World Aerobatics Championships Louis Pena France Eric Muller Switzerland Both finished top 10 despite very little practice prototype airplane ship almost completely untried prior World Championships servo used aileron Kraft KPS-20swere used proto type Clevises heavy duty 4-40 size Scale tail wheel llnkea ruaaer DUE supporreo oy ruselage Note control cables rudder see text worth gamble Pena Muller up against best air planes best pilots Western World offer variety poorlyunderstood reasons Eastern Euro pean countries Oshkosh everyone else some beautifully prepared aerobatic airplanes ever seen Laser 200 Super Pitts Pitts S-2S West German-owned Zlin 50L two-week 200-flight contest ended August 30 Eric Muller 9th place Louis Pena 10thout 51 pilots 10 countries impressive debut such new airplanequickly followed announcement Avions Mudry factory CAP-2 1 would replace CAP20 production line after barely dozen CAP-20L5-200s built Now few hours good flying isnt enough earn airplane spot hall fame early 198 lorders least half dozen CAP 21s come several countries encouraging beginning next opportunity see airplane may have within makings greatness came 1981 British Championships Mullerplaced strong second out 10 entries European Championships set Austria August 1981 would tell Still reactions Eric Muller have meaning excellent record suggests CAP-21 good Thanks newsletter British Aerobatic Association have Erics views flying interesting machine As soon climb obvious will handle like sophisticated airplane seat comfortable visibility excellent harness set up correctly negative stresses 250 km/hr 155 mph two vertical rolls push-out level flightno sign wing drop Positive negative flick snap rolls very fast easy stop Spins flat spins inverted spins real joy high rate roll almost amazingly good slow speedguaranteed area aileron lies within slipstream propeller relatively high fuselage generates good lift knife -edge flight something distinctly notice able rolling circles Finally landing easy thanks excellent handling characteristics low speed good forward view provided familiar niceties highly sensitive tail-draggers going through complete spectrum aerobatic maneuvers repertoire am absolutely thrilled airplane What strikes look CAP-2 1 its simplicity Simple means inexpensive less problems maintenance therefore less time consumed 850408533651282519927083439 IIWTi TTt 2g CD III ---- alie112 113 lit 17152359377437904337 4557 CAP 21 2 3 4 Mt,s -I S III 4I 01 workshop time pleasure time aerobatics CAP-21 . could will improved now its excellent airplane being owner Acrostar can dream As moment wouldnt change CAP-2 I would fly Specifications Avions Mudry CAP-2 1 prototype F-WZCH length2 1 ft 2 Continued page 94 30 Model Aviation Cowl stiffener used attach cowl fuselage /4-2O nylon bolts author 1 George Stube ready Quadra-powered CAP-21 another flight Real plane isnt much bigger model THE BEST IN GIANT SCALE Make Right Choice First Time Kioritz Jr 13 Cu $15995 Kioritz 24 Mfg Suggested List Spring Special $19500 Dealer Direct Zrnger Props 15 lo 24 dorneler prlches Exhaust Manifold Kjtfrs Krorrtz Kawasak trothers Velocity Stack Kit Kiortz Quadra Six-Bolt Prop Hub Quadra Kioritz 1-Pc Cast Mount 24 aed 131 Kioritz Digital Tach Spark mpulse trrggered Bennet Muffler B&B SpecaItres Champion Plugs RCJ-8 resistor Belray MC-1 Synthetic Oil 1207 501 mIs Weve Moved Roush Mfg Rear 3405 Cleve Ave SW Canton OH 44707 216-484-6810 30% off $1000 300 1995 1595 5995 1795 250 295 R M Titan 43 Cu 6 HP $28995 Limited Availability Special Order Only ~mIEJRear 3405 Cleve Ave SW. Canton OH 44707 Send bUt tar Cataloq U nuari MPG Phone 216 484-6810 484-4374 made myself clearkeep complaints yourself Bob doesnt need weight back point needs hand shoulder say Thanks ajob well done Send months letters Bob Aberle address below just say Thanks what youve done congratulations receiving Howard McEntee Memorial Award AMA Distinguished Service Award deserve cant fill up letter postcard will Ill sneak some morning leave pile desk George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Fun/Winter Continued page 22 Speaking fun about 18 months ago ye en gineer-type Associate Editor Ross McMullen heckled us write up Sky-Lark EH-1 Japanese RC Helicopter electric powered connected umbilical cord battery source ground Dont laugh has advant agesthe manufacturer ran full pages Japan ese magazine thick ad pages appear front contents pagesome 500 pages totalthan pages Ameri can magazine Blood-hound Ross chased down details note pleasure reply addressed Mr McMutten Lets just quote Sky-Lark EH- 1 worlds first Electric Helicopter has well accepted modelers because stability potential performance can easily practice flying yard garage disturbing neighbors using power cord optional point advice Sky-Lark drains max 20-30 amps during flight Use 12V 35-40 Ah capaity find Corolla class cars power cord flight quick charg ing flight pack 1 2V batteries engine starter means typical electrical starter cannot used purposes charge Ni-Cd pack first discharge cells until rotor comes complete stop Some red ink scribbles reveal Ross calculated flight duration 12 amp hours 25 amps per flight comes out 29 minuteslets say three Fun would lathered much less time power cord special silicone seven meters long meters its time learn metric system like want Length 846mm rotor diameter992mm 96 1200 mAh flight pack four channels Mabuchi RSS4OA x 2 gross 155kg empty 12kg Price semi-kit time 38000 yennot bucks Heavens sake Marketed K K Ishimasa #2-1 Honmachi Shikuya-Ku Tokyo Japan 151 Off sunset Ron Moulton MAP England Glad piece about Dr F B Thomas 1925 round-the-pole flying interest FBT sent 16mm movie must have taken around 1927 shows whole works action outside-the-circle joystick throttle landings takeoffs prangs F B Thomas flying Control Line country 1925 technical Round Pole rather U-Control Thomas flying handle ideas use bellcrank pre-1939 ingenious bit very early models remotely-powered large engine pylon base driving wire torque rod out model via bevel gears using bicycle front wheel fork carry mechanism~ Fun recalls guy named Broderick California 1909 flew big steampowered crate length clothesline flew barn everything went up down smoke Gosh ancients really fun Bill Winter 4426 Altura Ct Fairfa VA 22030 CAP-21 /Berliner- Mitchell Continued page 30 646 wingspan26 ft 6 808 wing area99 sq ft 92 sq empty weight 1045 lb 474 kg 94 Model Aviation Dont Let An Accident Spoil Day Quick Silver Silver Bearing Paste Syringe Dispenser $1197 mci Post & Hand Field Repairs No Waste 0 22000 psi tensile strength melting pointopen flame lighter soldering iron s 14 combinations metals e Wont blacken tarnish Hobby Distributors P 0 Box 914 Rosewell GA 30077 Model Ed Mitchell HAVING BUILT flown RC Scale model CAP-20L great deal success set build second September 1980 friend showed some pictures taken World Aerobatics Championships held previous month Oshkosh WI As soon saw pictures new French CAP-2 1 knew what next project would airplane definitely novice requires certain degree building expertise flying ability would recommend anyone has built flown Pattern-type airplane characteristic sets plane apart others very thick wing section its thickest point well forward produces high-lift/high-drag airfoil flight airplane very groovy fun fly Landings however must made power-onin other words airplane must flown onto runway Building CAP-2 very much like average balsa/foam airplane consequently will go great detail will touch area briefly elaborate what feel difficult things fuselage built first constructing two fuselage halves a Pin two together sand have two identical sides Add pruce longeron 1/16 plywood doubler ngle stock Cut out three major bulkheads Note bulkhead behind wing sandwich 1/64 a firewall ood bulkhead #2 ood built fuselage upside down over top view plans Use large blocks jig up fuselage F-3 clears table Glue F-i F-2 F-3 place making sure 900 table firewall square After dry weight down forward part structure does move Using triangle blocks weights push fuselage sides together required shape Now add re vertical horizontal stiffeners tail block etc Turn fuselage right-side up add turtledeck formers re top stringers Take long sanding block least 36 sand formers once get perfect shape Add re stringers between F-i F-2 sand shape Glue up some ting wrap around turtledeck formers make little oversize sure fit wet outside sheet wrap around formers using tape pins no glue Let sit overnight Next day remove tape add glue reposition glue place Wing Standard foam wing practices used Sand cores vacuum remove dust Edge-glue 3/32 sheeting cut slightly oversize Glue sheeting weight wingstaking care induce bows warps Add trailing edge leading edge sand wings smooth airfoil shape Draw position ailerons wings Allow ard behind aileron hinge line a facing Cut out ailerons add a facing Draw center lines facing add hinges used Kraft hinges nine per aileron Make up 3/16-in music wire torque rods install shown aileron tips have counterbalances June 198295 Hobbi Shack SUPERMARKET OF HOBBY GOODS SUPER DISCOUNTS PRICES GOOD THRU MAY t82 COXTD049or051$1747 049 NO 553602 051 NO 553610 HOUSE BALSA 2x2 NO 576377 LIST $2495 1567 DEVCON 5-MINUTE EPOXY NO 566281 LIST $999$576 MIDWEST SWEETN LOW NO 569053 LIST $56 95$3499 FUTABA SAVINGS FP-4L 3 S26 servos NO71186 LIST $19995 $12999 FP-7FGK 4 S-26 servos LIST $39995 $24999 HUNDREDS MORE SUPER VALUES AND INTERESTING MODEL ARTICLES FREE All Hobby Shack customers receive 32 age SPORT FLYER regularly would like copy simply write us ask FUJI 099 R/C NO 120618 LIST $31 95 99 PMP THERMAL 73 NO 541492 LIST $2995 1788 1 SEND $100 FOR HOBBY SHACKS U COLOR AND & W CATALOGSI DISCOUNTS & UNUSUAL ITEMSI I U nameI address 3 U cityI I statezip ______________ I mail order catalogs U 18480 BANDILIER CIRCLE FOUNTAINVALLEYCA928708 shown plans very helpful suggest build Build tips a shape desired size Add 1/64 plywood outside wing tip aileron counter balance dry remove balsa inside counterbalance add lead shot andBame fuselage polyhedral composite wing epoxyutilizing MB 303515 wing section Alex invited examine model explained its wing constructionbasically foam wing balsa covering full-depth carbon-fiber-web spar Alex jokingly told model would take 200 lb forceI believe Rick Shramack flying cut down Speed Whisper flown Luxembourgian Romain Sfredda World Champs very fast model features Eppler 182 wing section fiberglass fuselage veneer-covered foam wing Austrian built-in-a-mold high-technology models Reported have designed Fridolin Fritz Id say Whisper owes much its heritage Aus trian Pfeil competition Welch held short pilots meeting announced days itinerary task would four-lap Speed 150-meter FAI course 10-mm Duration 100-point landing scored man-on-man 12-lap Distance 150-meter course also scored man-on-man Because course layout downwind towing prevailed Speed round think must unwritten rules states Two-Meter World Cup meet must have strong wind desert surroundings downwind launches please Easterners might show temperature should never get over 400 think stuff fun No wonder neighbors snicker see loading car contest Anyway flew Speed right off bat Don Edberg recorded 308 seconds 435 mphgood enough win Speed Alex Bower second 60 points clear Edberg intended repeat 1981 victory no less 17 no times Speed Rick Schramack probably unfor tunate flier round Rick got good tow Flying Set up elevator have 1Whisper accelerated onto coursea fast travel both directions Ailerons shouldtime appeared imminent Ricks caller antici have el up down rudderpated second turn Whisper cut Rick should have much travel can give tohad circle back completed course ease ground handling440 secondslosing 300 points Edberg Takeoffs snap no pun intended Hold awas Ricks mistake certalnly Landing gear Use 3/16 T-6 aluminum tofabri cate gear gear mounts U-shaped box made ood gear leg secured -20 bolts spar-gear box made ood epoxied together reinforced -in dowels T-nuts used rather threading wood entire unit epoxied use micro-balloons wing after wing halves joined Make sure entire box tilted allow landing gear sweep forward Stabilizer fin rudder stabilizer standard balsa-and-foam construction Choose wood carefully lighter better two elevator halves linked together through -in U-shaped plate control horn attaches plate well Standard construction used fin rudder Keep light rudder made two pieces foam must carefully aligned during skinning Final assembly Mate wing fuselage first make fillet plates fillets Once made use reference locate stabilizer engine Set wing positive incidence stabilizer deg positive incidence engine downthrust Finishing entire wing covered 2-oz glass cloth center reinforced 4-oz glass cloth out past landing gear box rest plane glassed -oz cloth finished K&B epoxy paints canopy Bridi now Great Planes CAP-20L kit tad right rudder add ottle oy Two- Meter/Jolly Continued page 33 96 Model Aviation HOBBY SHACK HEAT GUN

NO OCR TEXT NO OCR TEXT duced excess 100 four five US Less year after first flight CAP- 10 followed single-seat CAP-20 July 1969 Aimed serious compe tition bowed during 1970 World Cham pionships England Pilot Robert Baudoin French Air Force placed 43rd first major competition well airplanes entire French team flew CAP-20s 1972 World Championships south France finished far behind all-conquering US team its Pitts Specials So far French government reportedly sunk several hundred thousand dollars developing its own airplane gotten very little return Problems CAP-20 considerable forcing slip further further behind other countries airplanes undergoing steady improvement CAP-20 heavy its ailer ons lacked effectiveness too stable ever become major force sport extensive changes would have made first sign French willing make big changes came 1976 prototype CAP-20L leger meaning lightweight ac companied standard CAP-20s World Championships Kiev USSR still couldnt cope super Pitts Loudenslagers 26 Model Aviation bottom fiberglass cowl shows cooling outlets scale ex haust stacks Holes forward end cowl hold-down bolts Detailing makes model come alive really isnt difficult youd think Champion logo done liquid masking film Quadra installation straightforward Note routing fuel vent lines Throttle linkage homemade Neat orderly Installation must high-stress airplane Puahrods supported mid-length eliminate flexing Lettering either dry transfer art store inked Flags regis tration numbers done liquid masking film paint Canopy attached fuse 2-56 bolts Aerobatic reference lines marked canopy 1/64 stripIng tape BRIDI HOBBIES CANOPY WITH HORIZON REF LINES 4E4 - VOD TRAY 1/4 SQ STRINGERSF 1 & P2 1/4 PLYWOOD /7- F2 Fl FIBERGLASS COWLING WITH I/B PLYWOOD REAR FRAME CLEAR HEADS HARDWOOD BLOCK LOCKS L G LEG HALVES TO BOX BEAM WITh /4- 20 SCREWS 3/16 ALUMINUM LG LEG 2 HALVES MOUNTS TO F-i ON 4 BOLTS WITH NUTS ACCESS THRU FRONT 3/8X BALSA ROS-rSBALSA BLOCK3/8X 1/4 BALSA T E FOR FIN AND RUDDERFOAM COREALL BALSA BLOCK PAIRINGI/4X 3/B BALSA/TAIL SURFIES 3/32 BALSA 1/4 BALSA CORE WITH /64 PLY FACING FRONT AND BACK 1/4 X BALSATE 1/4 BALSAIBALSA BLOCK BALSA TIP BLOCK I/4X 3/8BALSAL E 4 TAILWHEEL ON 32 MUSIC WIRE INTO RUDDER BASE I/B X 3/B SPRUCE LONGERON UPPER ONLY 3/4 TRIANGULAR BALSA LOWER CORNERS ONLY xli I/4X 3/8 BALSA SIDE FRAMES AT F45-6 I/B BALSA SHEETING FUSELAGE SIDES TOP AND BOlTOM 1/16 PLYWflD DOUBLER FROM P3 PWD TO LAP P 1 3/16 MUSIC WIRE THRU 1OROUE TUBES TO AILERONS 2 OZ CLOTH ENTIRE WING-AILERORS 3/B X BALSA TRAILING EDGE 1/4 X 3/4 SPRttE REAR SPAR AND BALSA AILERON LEADtG EILE LOTS OF KRAPT HINGES 1/8 PLYIMOD VANE C SECTION ONLY 3/8X 13/4 BALSA L EDGE1/4 BALSA TIP 1/4 PLYWOOD BOX FOR LG HAS TNUTS FOR 1/4-20 80125 4 DIA WHEELS FIBERGLASS PANTS 3/32 BALSA SHEETING WING TOP AND BOlTOM OVER FOAM CORE QUADRA IGNITION ENGINE ON 1/4 PLYWOOD BOX MOUNTED THRU F INTO P2 UA*4k CL 7 F II FULL-SIZE PLANS AVAILABLESEE PAGE 140 2cL 2 -2 II 2~ IIV iyzzz& IILUVt 2 J/jrII~2 F-j4lUJ--- liI0 2III Ii/IlII 2CJ 1 4LLj1 III0 II 12 U 2 1022 2 2II Ifl II 2II liiiH L ii/~ 2 2 e _Kir Laser 200 rest showed promise CAP-2OLS-200 version 200-hp Lycom ing engine constant-speed propeller flew first time few months after Soviet contest still lighter powerful bigger ailerons certainly best line yet given up graceful ellip tical wing Piel trademark got much blame its poor snap rolls obvious now French ever make serious try honors Worldclass competition time waste French teams political problems seemed have solved elimination military influence over selection pilots new consistency help However finest pilots can overcome handicap second-rate airplane exactly what best CAP-20s highest French pilot placed 1978 World Championships flew CAP 2OLS-200s 18th June 23 1980 Avions Mudry test pilot Louis Pena lifted off runway Bernay France prototype CAP-2 1 latest chapter checkered history airplanes begun new airplane fuselage tail CAP-2OLS-200 entirely new straight-tapered wing Aerospatiale com puter-designed Vl6F airfoil spring-leaf landing gear didnt take long determine possessed considerably better flying qualities anything come before fact test program went well after just few hours flying prototype dismantled packed up Klipped oil America 1980 World Championships held Oslikosh WI arrived Chicago assembled flown French teams raining field northern Illinois test pilot Pena Swiss 28 Model Aviation Aerodynamic counterbalance adds scale ap pearance Lead-filled mass balance es sential highly recommended Adequate clearance wheel pants crucial Struts simple must anchored firmly FULL-SIZE PLANS AVAILABLE. SEE PAGE 140 WIRE TIP FOAM CATTiNG TEMPLATE WING ROOT FOAM CUTTING TEMPLATE STABLEER TiP FOAM CUTTiNG TEMPLATE STAMIZER ROOT FOAM CATTING TEMPLATE OGET RALOA WflCH HOLLOWED EAT FOAM ARE3/32 BAlSA SHEV4 3/B WADA tEAM/B EDGE STABILIZER 14 PLY ELEVATAR 40447 IARAFT iNGEG 3/3D WALDA 3/A 1-3/4 BALSA LEAARG EDGE BAlSA TBAAIWG EDGE LANOING GEAR PLATEI/C BALSA SHEET WING WTTR 3/30 BALSA GLASS ENTIRE WING WITH 2 AZ CLOTH 25% LRE_________CALCALATED C 0 H OZ OLAGS CLOTRWINGPL1NFOAM CARE 30% LINE_____WING AREA 11534 IN_______ FELLOW B FILL WITH LEAD SHOT I/RH PLY 4 02 ALASA CLOTH TOAMDW BALSA F-4*40TH COVERING HERE-GEE TEXTI/B RHOAT HINGES I - PLT 3/A MAGIC WIRE- TOHOGE RGE- --AILERON VA BAlSA I/NH PLTWING TIP DETAIL A-VDIII/B PLY 3/3D SHEETING 3/B 3/B ES/H _ WAN AEBARYNAM CHARD BAlSA FIX/"4"""""""""""OAM CORE 3/H BALSA TRAILING EDGE ALANWB*J BALSA ALOCA COVER PLAT WING ROOT CROSS SECTION 3/32 BALSA SHEETING -K CAP-21 ___BALSA LEADING EDGE3/Bii~IDRYclE __________ __________ ___________ _________ _______-------jfIj~ FRONT VIEW OF WINGSHEET 20F2BY0 ELEVATOR veteran Eric Muller ready begin serious practice coming contest Pena familiar entire CAP family Muller flying own Hirth Acrostar achieved first third European Championships time French Swiss headed Oshkosh neither Pena nor Muller 15 hours new CAP-2 1 since less two months elapsed since its first flight much time seen transit hardly ideal way introduce new airplane much could learned half dozen World Championships flights seemed CAP-21 flown 1980 World Aerobatics Championships Louis Pena France Eric Muller Switzerland Both finished top 10 despite very little practice prototype airplane ship almost completely untried prior World Championships servo used aileron Kraft KPS-20swere used proto type Clevises heavy duty 4-40 size Scale tail wheel llnkea ruaaer DUE supporreo oy ruselage Note control cables rudder see text worth gamble Pena Muller up against best air planes best pilots Western World offer variety poorlyunderstood reasons Eastern Euro pean countries Oshkosh everyone else some beautifully prepared aerobatic airplanes ever seen Laser 200 Super Pitts Pitts S-2S West German-owned Zlin 50L two-week 200-flight contest ended August 30 Eric Muller 9th place Louis Pena 10thout 51 pilots 10 countries impressive debut such new airplanequickly followed announcement Avions Mudry factory CAP-2 1 would replace CAP20 production line after barely dozen CAP-20L5-200s built Now few hours good flying isnt enough earn airplane spot hall fame early 198 lorders least half dozen CAP 21s come several countries encouraging beginning next opportunity see airplane may have within makings greatness came 1981 British Championships Mullerplaced strong second out 10 entries European Championships set Austria August 1981 would tell Still reactions Eric Muller have meaning excellent record suggests CAP-21 good Thanks newsletter British Aerobatic Association have Erics views flying interesting machine As soon climb obvious will handle like sophisticated airplane seat comfortable visibility excellent harness set up correctly negative stresses 250 km/hr 155 mph two vertical rolls push-out level flightno sign wing drop Positive negative flick snap rolls very fast easy stop Spins flat spins inverted spins real joy high rate roll almost amazingly good slow speedguaranteed area aileron lies within slipstream propeller relatively high fuselage generates good lift knife -edge flight something distinctly notice able rolling circles Finally landing easy thanks excellent handling characteristics low speed good forward view provided familiar niceties highly sensitive tail-draggers going through complete spectrum aerobatic maneuvers repertoire am absolutely thrilled airplane What strikes look CAP-2 1 its simplicity Simple means inexpensive less problems maintenance therefore less time consumed 850408533651282519927083439 IIWTi TTt 2g CD III ---- alie112 113 lit 17152359377437904337 4557 CAP 21 2 3 4 Mt,s -I S III 4I 01 workshop time pleasure time aerobatics CAP-21 . could will improved now its excellent airplane being owner Acrostar can dream As moment wouldnt change CAP-2 I would fly Specifications Avions Mudry CAP-2 1 prototype F-WZCH length2 1 ft 2 Continued page 94 30 Model Aviation Cowl stiffener used attach cowl fuselage /4-2O nylon bolts author 1 George Stube ready Quadra-powered CAP-21 another flight Real plane isnt much bigger model THE BEST IN GIANT SCALE Make Right Choice First Time Kioritz Jr 13 Cu $15995 Kioritz 24 Mfg Suggested List Spring Special $19500 Dealer Direct Zrnger Props 15 lo 24 dorneler prlches Exhaust Manifold Kjtfrs Krorrtz Kawasak trothers Velocity Stack Kit Kiortz Quadra Six-Bolt Prop Hub Quadra Kioritz 1-Pc Cast Mount 24 aed 131 Kioritz Digital Tach Spark mpulse trrggered Bennet Muffler B&B SpecaItres Champion Plugs RCJ-8 resistor Belray MC-1 Synthetic Oil 1207 501 mIs Weve Moved Roush Mfg Rear 3405 Cleve Ave SW Canton OH 44707 216-484-6810 30% off $1000 300 1995 1595 5995 1795 250 295 R M Titan 43 Cu 6 HP $28995 Limited Availability Special Order Only ~mIEJRear 3405 Cleve Ave SW. Canton OH 44707 Send bUt tar Cataloq U nuari MPG Phone 216 484-6810 484-4374 made myself clearkeep complaints yourself Bob doesnt need weight back point needs hand shoulder say Thanks ajob well done Send months letters Bob Aberle address below just say Thanks what youve done congratulations receiving Howard McEntee Memorial Award AMA Distinguished Service Award deserve cant fill up letter postcard will Ill sneak some morning leave pile desk George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Fun/Winter Continued page 22 Speaking fun about 18 months ago ye en gineer-type Associate Editor Ross McMullen heckled us write up Sky-Lark EH-1 Japanese RC Helicopter electric powered connected umbilical cord battery source ground Dont laugh has advant agesthe manufacturer ran full pages Japan ese magazine thick ad pages appear front contents pagesome 500 pages totalthan pages Ameri can magazine Blood-hound Ross chased down details note pleasure reply addressed Mr McMutten Lets just quote Sky-Lark EH- 1 worlds first Electric Helicopter has well accepted modelers because stability potential performance can easily practice flying yard garage disturbing neighbors using power cord optional point advice Sky-Lark drains max 20-30 amps during flight Use 12V 35-40 Ah capaity find Corolla class cars power cord flight quick charg ing flight pack 1 2V batteries engine starter means typical electrical starter cannot used purposes charge Ni-Cd pack first discharge cells until rotor comes complete stop Some red ink scribbles reveal Ross calculated flight duration 12 amp hours 25 amps per flight comes out 29 minuteslets say three Fun would lathered much less time power cord special silicone seven meters long meters its time learn metric system like want Length 846mm rotor diameter992mm 96 1200 mAh flight pack four channels Mabuchi RSS4OA x 2 gross 155kg empty 12kg Price semi-kit time 38000 yennot bucks Heavens sake Marketed K K Ishimasa #2-1 Honmachi Shikuya-Ku Tokyo Japan 151 Off sunset Ron Moulton MAP England Glad piece about Dr F B Thomas 1925 round-the-pole flying interest FBT sent 16mm movie must have taken around 1927 shows whole works action outside-the-circle joystick throttle landings takeoffs prangs F B Thomas flying Control Line country 1925 technical Round Pole rather U-Control Thomas flying handle ideas use bellcrank pre-1939 ingenious bit very early models remotely-powered large engine pylon base driving wire torque rod out model via bevel gears using bicycle front wheel fork carry mechanism~ Fun recalls guy named Broderick California 1909 flew big steampowered crate length clothesline flew barn everything went up down smoke Gosh ancients really fun Bill Winter 4426 Altura Ct Fairfa VA 22030 CAP-21 /Berliner- Mitchell Continued page 30 646 wingspan26 ft 6 808 wing area99 sq ft 92 sq empty weight 1045 lb 474 kg 94 Model Aviation Dont Let An Accident Spoil Day Quick Silver Silver Bearing Paste Syringe Dispenser $1197 mci Post & Hand Field Repairs No Waste 0 22000 psi tensile strength melting pointopen flame lighter soldering iron s 14 combinations metals e Wont blacken tarnish Hobby Distributors P 0 Box 914 Rosewell GA 30077 Model Ed Mitchell HAVING BUILT flown RC Scale model CAP-20L great deal success set build second September 1980 friend showed some pictures taken World Aerobatics Championships held previous month Oshkosh WI As soon saw pictures new French CAP-2 1 knew what next project would airplane definitely novice requires certain degree building expertise flying ability would recommend anyone has built flown Pattern-type airplane characteristic sets plane apart others very thick wing section its thickest point well forward produces high-lift/high-drag airfoil flight airplane very groovy fun fly Landings however must made power-onin other words airplane must flown onto runway Building CAP-2 very much like average balsa/foam airplane consequently will go great detail will touch area briefly elaborate what feel difficult things fuselage built first constructing two fuselage halves a Pin two together sand have two identical sides Add pruce longeron 1/16 plywood doubler ngle stock Cut out three major bulkheads Note bulkhead behind wing sandwich 1/64 a firewall ood bulkhead #2 ood built fuselage upside down over top view plans Use large blocks jig up fuselage F-3 clears table Glue F-i F-2 F-3 place making sure 900 table firewall square After dry weight down forward part structure does move Using triangle blocks weights push fuselage sides together required shape Now add re vertical horizontal stiffeners tail block etc Turn fuselage right-side up add turtledeck formers re top stringers Take long sanding block least 36 sand formers once get perfect shape Add re stringers between F-i F-2 sand shape Glue up some ting wrap around turtledeck formers make little oversize sure fit wet outside sheet wrap around formers using tape pins no glue Let sit overnight Next day remove tape add glue reposition glue place Wing Standard foam wing practices used Sand cores vacuum remove dust Edge-glue 3/32 sheeting cut slightly oversize Glue sheeting weight wingstaking care induce bows warps Add trailing edge leading edge sand wings smooth airfoil shape Draw position ailerons wings Allow ard behind aileron hinge line a facing Cut out ailerons add a facing Draw center lines facing add hinges used Kraft hinges nine per aileron Make up 3/16-in music wire torque rods install shown aileron tips have counterbalances June 198295 Hobbi Shack SUPERMARKET OF HOBBY GOODS SUPER DISCOUNTS PRICES GOOD THRU MAY t82 COXTD049or051$1747 049 NO 553602 051 NO 553610 HOUSE BALSA 2x2 NO 576377 LIST $2495 1567 DEVCON 5-MINUTE EPOXY NO 566281 LIST $999$576 MIDWEST SWEETN LOW NO 569053 LIST $56 95$3499 FUTABA SAVINGS FP-4L 3 S26 servos NO71186 LIST $19995 $12999 FP-7FGK 4 S-26 servos LIST $39995 $24999 HUNDREDS MORE SUPER VALUES AND INTERESTING MODEL ARTICLES FREE All Hobby Shack customers receive 32 age SPORT FLYER regularly would like copy simply write us ask FUJI 099 R/C NO 120618 LIST $31 95 99 PMP THERMAL 73 NO 541492 LIST $2995 1788 1 SEND $100 FOR HOBBY SHACKS U COLOR AND & W CATALOGSI DISCOUNTS & UNUSUAL ITEMSI I U nameI address 3 U cityI I statezip ______________ I mail order catalogs U 18480 BANDILIER CIRCLE FOUNTAINVALLEYCA928708 shown plans very helpful suggest build Build tips a shape desired size Add 1/64 plywood outside wing tip aileron counter balance dry remove balsa inside counterbalance add lead shot andBame fuselage polyhedral composite wing epoxyutilizing MB 303515 wing section Alex invited examine model explained its wing constructionbasically foam wing balsa covering full-depth carbon-fiber-web spar Alex jokingly told model would take 200 lb forceI believe Rick Shramack flying cut down Speed Whisper flown Luxembourgian Romain Sfredda World Champs very fast model features Eppler 182 wing section fiberglass fuselage veneer-covered foam wing Austrian built-in-a-mold high-technology models Reported have designed Fridolin Fritz Id say Whisper owes much its heritage Aus trian Pfeil competition Welch held short pilots meeting announced days itinerary task would four-lap Speed 150-meter FAI course 10-mm Duration 100-point landing scored man-on-man 12-lap Distance 150-meter course also scored man-on-man Because course layout downwind towing prevailed Speed round think must unwritten rules states Two-Meter World Cup meet must have strong wind desert surroundings downwind launches please Easterners might show temperature should never get over 400 think stuff fun No wonder neighbors snicker see loading car contest Anyway flew Speed right off bat Don Edberg recorded 308 seconds 435 mphgood enough win Speed Alex Bower second 60 points clear Edberg intended repeat 1981 victory no less 17 no times Speed Rick Schramack probably unfor tunate flier round Rick got good tow Flying Set up elevator have 1Whisper accelerated onto coursea fast travel both directions Ailerons shouldtime appeared imminent Ricks caller antici have el up down rudderpated second turn Whisper cut Rick should have much travel can give tohad circle back completed course ease ground handling440 secondslosing 300 points Edberg Takeoffs snap no pun intended Hold awas Ricks mistake certalnly Landing gear Use 3/16 T-6 aluminum tofabri cate gear gear mounts U-shaped box made ood gear leg secured -20 bolts spar-gear box made ood epoxied together reinforced -in dowels T-nuts used rather threading wood entire unit epoxied use micro-balloons wing after wing halves joined Make sure entire box tilted allow landing gear sweep forward Stabilizer fin rudder stabilizer standard balsa-and-foam construction Choose wood carefully lighter better two elevator halves linked together through -in U-shaped plate control horn attaches plate well Standard construction used fin rudder Keep light rudder made two pieces foam must carefully aligned during skinning Final assembly Mate wing fuselage first make fillet plates fillets Once made use reference locate stabilizer engine Set wing positive incidence stabilizer deg positive incidence engine downthrust Finishing entire wing covered 2-oz glass cloth center reinforced 4-oz glass cloth out past landing gear box rest plane glassed -oz cloth finished K&B epoxy paints canopy Bridi now Great Planes CAP-20L kit tad right rudder add ottle oy Two- Meter/Jolly Continued page 33 96 Model Aviation HOBBY SHACK HEAT GUN

NO OCR TEXT NO OCR TEXT duced excess 100 four five US Less year after first flight CAP- 10 followed single-seat CAP-20 July 1969 Aimed serious compe tition bowed during 1970 World Cham pionships England Pilot Robert Baudoin French Air Force placed 43rd first major competition well airplanes entire French team flew CAP-20s 1972 World Championships south France finished far behind all-conquering US team its Pitts Specials So far French government reportedly sunk several hundred thousand dollars developing its own airplane gotten very little return Problems CAP-20 considerable forcing slip further further behind other countries airplanes undergoing steady improvement CAP-20 heavy its ailer ons lacked effectiveness too stable ever become major force sport extensive changes would have made first sign French willing make big changes came 1976 prototype CAP-20L leger meaning lightweight ac companied standard CAP-20s World Championships Kiev USSR still couldnt cope super Pitts Loudenslagers 26 Model Aviation bottom fiberglass cowl shows cooling outlets scale ex haust stacks Holes forward end cowl hold-down bolts Detailing makes model come alive really isnt difficult youd think Champion logo done liquid masking film Quadra installation straightforward Note routing fuel vent lines Throttle linkage homemade Neat orderly Installation must high-stress airplane Puahrods supported mid-length eliminate flexing Lettering either dry transfer art store inked Flags regis tration numbers done liquid masking film paint Canopy attached fuse 2-56 bolts Aerobatic reference lines marked canopy 1/64 stripIng tape BRIDI HOBBIES CANOPY WITH HORIZON REF LINES 4E4 - VOD TRAY 1/4 SQ STRINGERSF 1 & P2 1/4 PLYWOOD /7- F2 Fl FIBERGLASS COWLING WITH I/B PLYWOOD REAR FRAME CLEAR HEADS HARDWOOD BLOCK LOCKS L G LEG HALVES TO BOX BEAM WITh /4- 20 SCREWS 3/16 ALUMINUM LG LEG 2 HALVES MOUNTS TO F-i ON 4 BOLTS WITH NUTS ACCESS THRU FRONT 3/8X BALSA ROS-rSBALSA BLOCK3/8X 1/4 BALSA T E FOR FIN AND RUDDERFOAM COREALL BALSA BLOCK PAIRINGI/4X 3/B BALSA/TAIL SURFIES 3/32 BALSA 1/4 BALSA CORE WITH /64 PLY FACING FRONT AND BACK 1/4 X BALSATE 1/4 BALSAIBALSA BLOCK BALSA TIP BLOCK I/4X 3/8BALSAL E 4 TAILWHEEL ON 32 MUSIC WIRE INTO RUDDER BASE I/B X 3/B SPRUCE LONGERON UPPER ONLY 3/4 TRIANGULAR BALSA LOWER CORNERS ONLY xli I/4X 3/8 BALSA SIDE FRAMES AT F45-6 I/B BALSA SHEETING FUSELAGE SIDES TOP AND BOlTOM 1/16 PLYWflD DOUBLER FROM P3 PWD TO LAP P 1 3/16 MUSIC WIRE THRU 1OROUE TUBES TO AILERONS 2 OZ CLOTH ENTIRE WING-AILERORS 3/B X BALSA TRAILING EDGE 1/4 X 3/4 SPRttE REAR SPAR AND BALSA AILERON LEADtG EILE LOTS OF KRAPT HINGES 1/8 PLYIMOD VANE C SECTION ONLY 3/8X 13/4 BALSA L EDGE1/4 BALSA TIP 1/4 PLYWOOD BOX FOR LG HAS TNUTS FOR 1/4-20 80125 4 DIA WHEELS FIBERGLASS PANTS 3/32 BALSA SHEETING WING TOP AND BOlTOM OVER FOAM CORE QUADRA IGNITION ENGINE ON 1/4 PLYWOOD BOX MOUNTED THRU F INTO P2 UA*4k CL 7 F II FULL-SIZE PLANS AVAILABLESEE PAGE 140 2cL 2 -2 II 2~ IIV iyzzz& IILUVt 2 J/jrII~2 F-j4lUJ--- liI0 2III Ii/IlII 2CJ 1 4LLj1 III0 II 12 U 2 1022 2 2II Ifl II 2II liiiH L ii/~ 2 2 e _Kir Laser 200 rest showed promise CAP-2OLS-200 version 200-hp Lycom ing engine constant-speed propeller flew first time few months after Soviet contest still lighter powerful bigger ailerons certainly best line yet given up graceful ellip tical wing Piel trademark got much blame its poor snap rolls obvious now French ever make serious try honors Worldclass competition time waste French teams political problems seemed have solved elimination military influence over selection pilots new consistency help However finest pilots can overcome handicap second-rate airplane exactly what best CAP-20s highest French pilot placed 1978 World Championships flew CAP 2OLS-200s 18th June 23 1980 Avions Mudry test pilot Louis Pena lifted off runway Bernay France prototype CAP-2 1 latest chapter checkered history airplanes begun new airplane fuselage tail CAP-2OLS-200 entirely new straight-tapered wing Aerospatiale com puter-designed Vl6F airfoil spring-leaf landing gear didnt take long determine possessed considerably better flying qualities anything come before fact test program went well after just few hours flying prototype dismantled packed up Klipped oil America 1980 World Championships held Oslikosh WI arrived Chicago assembled flown French teams raining field northern Illinois test pilot Pena Swiss 28 Model Aviation Aerodynamic counterbalance adds scale ap pearance Lead-filled mass balance es sential highly recommended Adequate clearance wheel pants crucial Struts simple must anchored firmly FULL-SIZE PLANS AVAILABLE. SEE PAGE 140 WIRE TIP FOAM CATTiNG TEMPLATE WING ROOT FOAM CUTTING TEMPLATE STABLEER TiP FOAM CUTTiNG TEMPLATE STAMIZER ROOT FOAM CATTING TEMPLATE OGET RALOA WflCH HOLLOWED EAT FOAM ARE3/32 BAlSA SHEV4 3/B WADA tEAM/B EDGE STABILIZER 14 PLY ELEVATAR 40447 IARAFT iNGEG 3/3D WALDA 3/A 1-3/4 BALSA LEAARG EDGE BAlSA TBAAIWG EDGE LANOING GEAR PLATEI/C BALSA SHEET WING WTTR 3/30 BALSA GLASS ENTIRE WING WITH 2 AZ CLOTH 25% LRE_________CALCALATED C 0 H OZ OLAGS CLOTRWINGPL1NFOAM CARE 30% LINE_____WING AREA 11534 IN_______ FELLOW B FILL WITH LEAD SHOT I/RH PLY 4 02 ALASA CLOTH TOAMDW BALSA F-4*40TH COVERING HERE-GEE TEXTI/B RHOAT HINGES I - PLT 3/A MAGIC WIRE- TOHOGE RGE- --AILERON VA BAlSA I/NH PLTWING TIP DETAIL A-VDIII/B PLY 3/3D SHEETING 3/B 3/B ES/H _ WAN AEBARYNAM CHARD BAlSA FIX/"4"""""""""""OAM CORE 3/H BALSA TRAILING EDGE ALANWB*J BALSA ALOCA COVER PLAT WING ROOT CROSS SECTION 3/32 BALSA SHEETING -K CAP-21 ___BALSA LEADING EDGE3/Bii~IDRYclE __________ __________ ___________ _________ _______-------jfIj~ FRONT VIEW OF WINGSHEET 20F2BY0 ELEVATOR veteran Eric Muller ready begin serious practice coming contest Pena familiar entire CAP family Muller flying own Hirth Acrostar achieved first third European Championships time French Swiss headed Oshkosh neither Pena nor Muller 15 hours new CAP-2 1 since less two months elapsed since its first flight much time seen transit hardly ideal way introduce new airplane much could learned half dozen World Championships flights seemed CAP-21 flown 1980 World Aerobatics Championships Louis Pena France Eric Muller Switzerland Both finished top 10 despite very little practice prototype airplane ship almost completely untried prior World Championships servo used aileron Kraft KPS-20swere used proto type Clevises heavy duty 4-40 size Scale tail wheel llnkea ruaaer DUE supporreo oy ruselage Note control cables rudder see text worth gamble Pena Muller up against best air planes best pilots Western World offer variety poorlyunderstood reasons Eastern Euro pean countries Oshkosh everyone else some beautifully prepared aerobatic airplanes ever seen Laser 200 Super Pitts Pitts S-2S West German-owned Zlin 50L two-week 200-flight contest ended August 30 Eric Muller 9th place Louis Pena 10thout 51 pilots 10 countries impressive debut such new airplanequickly followed announcement Avions Mudry factory CAP-2 1 would replace CAP20 production line after barely dozen CAP-20L5-200s built Now few hours good flying isnt enough earn airplane spot hall fame early 198 lorders least half dozen CAP 21s come several countries encouraging beginning next opportunity see airplane may have within makings greatness came 1981 British Championships Mullerplaced strong second out 10 entries European Championships set Austria August 1981 would tell Still reactions Eric Muller have meaning excellent record suggests CAP-21 good Thanks newsletter British Aerobatic Association have Erics views flying interesting machine As soon climb obvious will handle like sophisticated airplane seat comfortable visibility excellent harness set up correctly negative stresses 250 km/hr 155 mph two vertical rolls push-out level flightno sign wing drop Positive negative flick snap rolls very fast easy stop Spins flat spins inverted spins real joy high rate roll almost amazingly good slow speedguaranteed area aileron lies within slipstream propeller relatively high fuselage generates good lift knife -edge flight something distinctly notice able rolling circles Finally landing easy thanks excellent handling characteristics low speed good forward view provided familiar niceties highly sensitive tail-draggers going through complete spectrum aerobatic maneuvers repertoire am absolutely thrilled airplane What strikes look CAP-2 1 its simplicity Simple means inexpensive less problems maintenance therefore less time consumed 850408533651282519927083439 IIWTi TTt 2g CD III ---- alie112 113 lit 17152359377437904337 4557 CAP 21 2 3 4 Mt,s -I S III 4I 01 workshop time pleasure time aerobatics CAP-21 . could will improved now its excellent airplane being owner Acrostar can dream As moment wouldnt change CAP-2 I would fly Specifications Avions Mudry CAP-2 1 prototype F-WZCH length2 1 ft 2 Continued page 94 30 Model Aviation Cowl stiffener used attach cowl fuselage /4-2O nylon bolts author 1 George Stube ready Quadra-powered CAP-21 another flight Real plane isnt much bigger model THE BEST IN GIANT SCALE Make Right Choice First Time Kioritz Jr 13 Cu $15995 Kioritz 24 Mfg Suggested List Spring Special $19500 Dealer Direct Zrnger Props 15 lo 24 dorneler prlches Exhaust Manifold Kjtfrs Krorrtz Kawasak trothers Velocity Stack Kit Kiortz Quadra Six-Bolt Prop Hub Quadra Kioritz 1-Pc Cast Mount 24 aed 131 Kioritz Digital Tach Spark mpulse trrggered Bennet Muffler B&B SpecaItres Champion Plugs RCJ-8 resistor Belray MC-1 Synthetic Oil 1207 501 mIs Weve Moved Roush Mfg Rear 3405 Cleve Ave SW Canton OH 44707 216-484-6810 30% off $1000 300 1995 1595 5995 1795 250 295 R M Titan 43 Cu 6 HP $28995 Limited Availability Special Order Only ~mIEJRear 3405 Cleve Ave SW. Canton OH 44707 Send bUt tar Cataloq U nuari MPG Phone 216 484-6810 484-4374 made myself clearkeep complaints yourself Bob doesnt need weight back point needs hand shoulder say Thanks ajob well done Send months letters Bob Aberle address below just say Thanks what youve done congratulations receiving Howard McEntee Memorial Award AMA Distinguished Service Award deserve cant fill up letter postcard will Ill sneak some morning leave pile desk George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Fun/Winter Continued page 22 Speaking fun about 18 months ago ye en gineer-type Associate Editor Ross McMullen heckled us write up Sky-Lark EH-1 Japanese RC Helicopter electric powered connected umbilical cord battery source ground Dont laugh has advant agesthe manufacturer ran full pages Japan ese magazine thick ad pages appear front contents pagesome 500 pages totalthan pages Ameri can magazine Blood-hound Ross chased down details note pleasure reply addressed Mr McMutten Lets just quote Sky-Lark EH- 1 worlds first Electric Helicopter has well accepted modelers because stability potential performance can easily practice flying yard garage disturbing neighbors using power cord optional point advice Sky-Lark drains max 20-30 amps during flight Use 12V 35-40 Ah capaity find Corolla class cars power cord flight quick charg ing flight pack 1 2V batteries engine starter means typical electrical starter cannot used purposes charge Ni-Cd pack first discharge cells until rotor comes complete stop Some red ink scribbles reveal Ross calculated flight duration 12 amp hours 25 amps per flight comes out 29 minuteslets say three Fun would lathered much less time power cord special silicone seven meters long meters its time learn metric system like want Length 846mm rotor diameter992mm 96 1200 mAh flight pack four channels Mabuchi RSS4OA x 2 gross 155kg empty 12kg Price semi-kit time 38000 yennot bucks Heavens sake Marketed K K Ishimasa #2-1 Honmachi Shikuya-Ku Tokyo Japan 151 Off sunset Ron Moulton MAP England Glad piece about Dr F B Thomas 1925 round-the-pole flying interest FBT sent 16mm movie must have taken around 1927 shows whole works action outside-the-circle joystick throttle landings takeoffs prangs F B Thomas flying Control Line country 1925 technical Round Pole rather U-Control Thomas flying handle ideas use bellcrank pre-1939 ingenious bit very early models remotely-powered large engine pylon base driving wire torque rod out model via bevel gears using bicycle front wheel fork carry mechanism~ Fun recalls guy named Broderick California 1909 flew big steampowered crate length clothesline flew barn everything went up down smoke Gosh ancients really fun Bill Winter 4426 Altura Ct Fairfa VA 22030 CAP-21 /Berliner- Mitchell Continued page 30 646 wingspan26 ft 6 808 wing area99 sq ft 92 sq empty weight 1045 lb 474 kg 94 Model Aviation Dont Let An Accident Spoil Day Quick Silver Silver Bearing Paste Syringe Dispenser $1197 mci Post & Hand Field Repairs No Waste 0 22000 psi tensile strength melting pointopen flame lighter soldering iron s 14 combinations metals e Wont blacken tarnish Hobby Distributors P 0 Box 914 Rosewell GA 30077 Model Ed Mitchell HAVING BUILT flown RC Scale model CAP-20L great deal success set build second September 1980 friend showed some pictures taken World Aerobatics Championships held previous month Oshkosh WI As soon saw pictures new French CAP-2 1 knew what next project would airplane definitely novice requires certain degree building expertise flying ability would recommend anyone has built flown Pattern-type airplane characteristic sets plane apart others very thick wing section its thickest point well forward produces high-lift/high-drag airfoil flight airplane very groovy fun fly Landings however must made power-onin other words airplane must flown onto runway Building CAP-2 very much like average balsa/foam airplane consequently will go great detail will touch area briefly elaborate what feel difficult things fuselage built first constructing two fuselage halves a Pin two together sand have two identical sides Add pruce longeron 1/16 plywood doubler ngle stock Cut out three major bulkheads Note bulkhead behind wing sandwich 1/64 a firewall ood bulkhead #2 ood built fuselage upside down over top view plans Use large blocks jig up fuselage F-3 clears table Glue F-i F-2 F-3 place making sure 900 table firewall square After dry weight down forward part structure does move Using triangle blocks weights push fuselage sides together required shape Now add re vertical horizontal stiffeners tail block etc Turn fuselage right-side up add turtledeck formers re top stringers Take long sanding block least 36 sand formers once get perfect shape Add re stringers between F-i F-2 sand shape Glue up some ting wrap around turtledeck formers make little oversize sure fit wet outside sheet wrap around formers using tape pins no glue Let sit overnight Next day remove tape add glue reposition glue place Wing Standard foam wing practices used Sand cores vacuum remove dust Edge-glue 3/32 sheeting cut slightly oversize Glue sheeting weight wingstaking care induce bows warps Add trailing edge leading edge sand wings smooth airfoil shape Draw position ailerons wings Allow ard behind aileron hinge line a facing Cut out ailerons add a facing Draw center lines facing add hinges used Kraft hinges nine per aileron Make up 3/16-in music wire torque rods install shown aileron tips have counterbalances June 198295 Hobbi Shack SUPERMARKET OF HOBBY GOODS SUPER DISCOUNTS PRICES GOOD THRU MAY t82 COXTD049or051$1747 049 NO 553602 051 NO 553610 HOUSE BALSA 2x2 NO 576377 LIST $2495 1567 DEVCON 5-MINUTE EPOXY NO 566281 LIST $999$576 MIDWEST SWEETN LOW NO 569053 LIST $56 95$3499 FUTABA SAVINGS FP-4L 3 S26 servos NO71186 LIST $19995 $12999 FP-7FGK 4 S-26 servos LIST $39995 $24999 HUNDREDS MORE SUPER VALUES AND INTERESTING MODEL ARTICLES FREE All Hobby Shack customers receive 32 age SPORT FLYER regularly would like copy simply write us ask FUJI 099 R/C NO 120618 LIST $31 95 99 PMP THERMAL 73 NO 541492 LIST $2995 1788 1 SEND $100 FOR HOBBY SHACKS U COLOR AND & W CATALOGSI DISCOUNTS & UNUSUAL ITEMSI I U nameI address 3 U cityI I statezip ______________ I mail order catalogs U 18480 BANDILIER CIRCLE FOUNTAINVALLEYCA928708 shown plans very helpful suggest build Build tips a shape desired size Add 1/64 plywood outside wing tip aileron counter balance dry remove balsa inside counterbalance add lead shot andBame fuselage polyhedral composite wing epoxyutilizing MB 303515 wing section Alex invited examine model explained its wing constructionbasically foam wing balsa covering full-depth carbon-fiber-web spar Alex jokingly told model would take 200 lb forceI believe Rick Shramack flying cut down Speed Whisper flown Luxembourgian Romain Sfredda World Champs very fast model features Eppler 182 wing section fiberglass fuselage veneer-covered foam wing Austrian built-in-a-mold high-technology models Reported have designed Fridolin Fritz Id say Whisper owes much its heritage Aus trian Pfeil competition Welch held short pilots meeting announced days itinerary task would four-lap Speed 150-meter FAI course 10-mm Duration 100-point landing scored man-on-man 12-lap Distance 150-meter course also scored man-on-man Because course layout downwind towing prevailed Speed round think must unwritten rules states Two-Meter World Cup meet must have strong wind desert surroundings downwind launches please Easterners might show temperature should never get over 400 think stuff fun No wonder neighbors snicker see loading car contest Anyway flew Speed right off bat Don Edberg recorded 308 seconds 435 mphgood enough win Speed Alex Bower second 60 points clear Edberg intended repeat 1981 victory no less 17 no times Speed Rick Schramack probably unfor tunate flier round Rick got good tow Flying Set up elevator have 1Whisper accelerated onto coursea fast travel both directions Ailerons shouldtime appeared imminent Ricks caller antici have el up down rudderpated second turn Whisper cut Rick should have much travel can give tohad circle back completed course ease ground handling440 secondslosing 300 points Edberg Takeoffs snap no pun intended Hold awas Ricks mistake certalnly Landing gear Use 3/16 T-6 aluminum tofabri cate gear gear mounts U-shaped box made ood gear leg secured -20 bolts spar-gear box made ood epoxied together reinforced -in dowels T-nuts used rather threading wood entire unit epoxied use micro-balloons wing after wing halves joined Make sure entire box tilted allow landing gear sweep forward Stabilizer fin rudder stabilizer standard balsa-and-foam construction Choose wood carefully lighter better two elevator halves linked together through -in U-shaped plate control horn attaches plate well Standard construction used fin rudder Keep light rudder made two pieces foam must carefully aligned during skinning Final assembly Mate wing fuselage first make fillet plates fillets Once made use reference locate stabilizer engine Set wing positive incidence stabilizer deg positive incidence engine downthrust Finishing entire wing covered 2-oz glass cloth center reinforced 4-oz glass cloth out past landing gear box rest plane glassed -oz cloth finished K&B epoxy paints canopy Bridi now Great Planes CAP-20L kit tad right rudder add ottle oy Two- Meter/Jolly Continued page 33 96 Model Aviation HOBBY SHACK HEAT GUN