Unusual angie Airacuda bound get lot atares Irom crowd full-size Airacuda waa popular propaganda weapon early days World War ii never saw military action turned out Fourteen built have survived present Powered E two Cox 049 reed-valve engines profile-fuselage Control Line Sport Scale version neat plane Thirties easy build great fun fly Itll sensation flying fieldboth appearance sound twin engines U Dave Haught THIS AIRPLANE has rank high among list unusual fantasic designs aviation history almost immediately recognized product 1930s period time efforts striving future Airacudas appearance its time say least shocking Imagine seeing parked next contemporary biplane fighter day Curtiss Hawk con trast gives taste just advanced Airacuda Designed fend off threat enemy bombers making attacks American coast Airacuda would have filled role well ever needed As Airacuda never fired weapon anger seen combat would have awesome indeed An enemy fighter would have little chance escaping blast Airacudas twin 37mm cannons twin 30-caliber guns automatically locked onto target Firepower primary concern its design could deliver top speed 270 miles hour Airacuda would have very formidable adversary fourteen Airacudas built presently exist contributions design has made aviation industry still continue design itself still haunts few us Airacuda found soft spot mind Several odd pictures could find several years Dozens letters different archives turned up little Sep tember 1971 copy Airpower featured Airacuda story enough keep up few nights writing information Alas decent three-view drawing could found dreams super-Scale Control Line Airacuda would have wait couldnt build decided build profile Sport Scale model see would fly results super flew well has magic twin has Airacuda very maneuverable will loop engine distinctive sound two engines harmonious sync its unusual planform Airacuda gets lot attention flying field Few people recognize name read magazines early war years will probably remember Building Airacuda should present no special problems Twins general have few traits keep mind build two engines does available power double does accompanying vibration important take care ensure good strong glue joints locations Some Airacudas structure may look too beefy its way reason Aerodynamic loads also increased twins original model began show stress cracks loops plank wings / 32 sheet As shown plans construction quite adequate yet simple wing good place start building Cut out parts add notches trail ing edge begin construction Pin 70 Model Aviation Clean simple design blesses Airacuda Check tail surfaces Twins rarely offer such good moments wing area needs hinges regularly get significent stress prop blast lots nose weight balance properly aft engine location leading edge bottom spar trailing edge plan cut fit 1/32 sheet planking between Add ribs tips bellcrank mount metal belicrank steel lead outs pushrod tip weight word about control system will notice plans specify metal bellcrank lead-outs reason twins put stress entire control system plastic parts generally arent strong enough rely Finish off wing adding top spar planking sure spaces nacelles fuselage square fit snuggly will ensure good fit align ment assembly time wing dry give thorough sanding cut plank ing out notches nacelles fuselage rudder stabilizer very con ventional Cut out parts assemble shown plans / 8-in dowel elevator spar needs made straight piece prevent binding Use strong hinges stabilizer have stand fast airflow pusher engines Keep eye hinges unusual wear replace necessary rudder offset important also Dont skimp way keeping model out lines Engine thrust adjustments suggested keep line rest Airacuda looks fast rudder stabilizer close pusher engines propwaan over inc ieii suriaces manes gooa response just engine running extra vibration powerfrom engines use extra care assure strong glue jotnis February 1983 71 tension dynamics involved pusher engines located close center lift gravity make some complicated problems original model does well 0-0 thrust rudder offset shown Dont forget add notch fin dowel connecting elevators fuselage made two pieces sheet upper half notched fit leading edge spars trailing edge Make sure wing fuselage line up squarely glue bottom half place Use strong glue allow set before adding tail wheel stabilizer rudder assemblies drying cut out parts nacelles Cut notches fit wing glue together shown plans Take care ensure firewalls have unwanted offset Correct alignment problems wrap firewall areas light glass cloth Glue nacelles sew landing gear wires place Cover attachment points glass cloth add fairings bottom wing has dried sanded hook up pushrod adjust lead-outs Give entire model good sanding Fill dents rough areas Finish Airacuda five coats clear dope sand ing between coat overall color Airacuda silver Trim red blue shown plan paint curing add guns wheels set up engines power plants Cox 049s easy starting prime concern twin version larger tanks will give longer flight either will work well Whichever Cox engines choose use will need modified fol lows Remove backplate engines move fuel line pickup tube front tank Remember engines will facing rear model fuel pickup tubes need set outside corner tank Set both engines same will draw fuel same way Reinstall tanks tighten screws wont leak Mount engines checking 0-0 thrust Balance Airacuda shown plan Airacuda very responsive model tends overly sensitive balanced shown Dont worried about amount weight takes bal ance plane added power large wing area Airacuda will easily carry weight Before heading out flying field few Continued page 159 OSHEETOPSR N0ERACOK AA0 WIEU WE OATMW00 RHASS Ar71I~i] Zi iZZiIILLE 000ThK 32AN WAS 5 0 LEADNA .5-'ALL RIBS ARELEAVE 328 SPBOE FORTSP N BOTTOMEDGE E3232 SHEETNACaLES N PGSELAAE F LER LAO 8 DOWEL~2A0OR O NOR PLANK TOP B BOTTOM WITH 032 SASET NOTE NOTCHES FOR RIBS K 128 PLTWSOEI BELLIZOAMI MT NOTE 800008 OFFSET 00000 OR-- -_________ NYLON RINSESI/H GREET ELEOATOR N STABILIZER 0131 0495 SHOWN-NOTE FLEL LhE PICK-OP POSSESO-OTRROSTI N AS 1210 MA LANOINO 0008 L STRUTS -III AS SHOWN III OPPOSITE r 0133 3NN REFER TO SEPT 1971 AIRPOWER FOR BORE INFO NEVER PLO NEAR POWER LINES 1210 BA RED TRIB1 FUGELAGAlt ON DOWE WITR 25ESTE 8 EOHO.E ASK LEAD TO NOSE5CR WllMOAN TO SNO LE8OARVE 0 BOURN EOWN WAONTWTO8PROP WINO AS LA ON-SAREAS N N ER RE SNEFORNBACWR FOR wREaWELMITT 8NALAWIN ONLEE DA 72 Model Aviation rroriie aie becoming popuiar compeuuian evenslow iii esEpenumuure time money high iii Airacuda good way get startedand twins same time w 0 w w Cd w -J -J Cd z -J 0 w N -J -J LL DOWEL GANG RED TRIM mousetrap arrangement no rotating disk suffer malfunction mounting plate 26 x 07 depth 055 weight 175 grams plus another 17 grams rechargeable bat tery lasts 800 1000 actuations between charges charger selling $20 $25 will soon available AC available charging can done 9V transistor radio battery timing cycle actuated switch con nected timer 6-in electric wire Press ing switch resets timer zero releasing starts timing action allows switch placed ahead swinging-type towhook isa forward pull towhook timer resets zero towline releasedor tow/me breaks ssithout releasing timing function actuated Now hasnt someone already done mechan ical timer Order unit Koster Digital Timers P0 Box 54 DK-3400 Hillerod Denmark First Intergalactic Ornithopter Postal Flappers get acts together December 1983 postal make flights contest records trial sanctioned FAT its affiliates such AMA mail scores rules unfortunately ornithopters flown AMA competition might cause some problems well cope rules follows Event definition An ornithopter freelyflying model aircraft derives its lift propulsion primarily flapping its wings event director made clear no flap ping-prop models would permitted total supporting surface must exceed 1000 sq dm Thats 15500 sq kid No prob lem eh supporting surface includes sur faces used obtain lift pitch control Areas measured traces around surfaces sum areas fixed supporting surfaces must exceed one-half area flapping sur faces model must powered strands extensible rubber no restriction weight model weight rubber used sneaker would rule out some models meet AMA rules some models would meet AMA rules could enter Too bad think set rules about enough information nitty-gritty con tact David W Erbach 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Bob Meuser 4200 Gregory Si. Oakland CA 95619 Airacuda/Haught Continued page 72 things need said about safety Never try fly twins Dacron lines Always use steel lines suggest 007 steel lines 35 feet long will give performance boost will safer long run fray tangle easily Dacron Twins fun fly needs keep eye other engine during starting tuning Prop bites nasty avoided pusher configuration adds further complication person starting engines positions himself behind model helper holds front works best helper holds model starting battery Fill both fuel tanks first start inboard engine Move battery outboard engine start carefully top off both fuel tanks take off must caution both starter assistant reach over propeller arcs Fine-tune engines until sync unmistakable harmony two engines running time sounds neat also reduces damage vibration other thing need check before launching both engines running same direction Cox 049s work well pusher configurations because will run backwards alteration 24Gal126Gal Per GalPer Gal 575535 695585 825779 900867 925900 16001447 23002100 31002900 NEW Economy Fuel Castor Oil Lubricant 110078070066017000 28000 Free delivery 14525126 gal deals uSA 30 & 54 gal drums freight collect FOB Clover SC Gallon price determined nitro content & total quantity ordered SC orders add 4 % sales tax use charge card order CODs limited ups shipment Deduct 3% prepaymant Money Order Certified Check NEWPower Booster Oil scale engines. $lOlqt *30/galFioaeaeajecsso NEWPaws Rnnstsfssr scala engine $l2Iqt *38/gal freight included Uss3ozjgaldgss4ttutnodca 555 n3--I 222-7488 222-7285 February 1983 159 Designed Minimaster Easy build.easy fly.racy. rugged. fuil fight Wingspan 49% ne 15-25 Area 416 sq nE Weight 3% lbs ANDRE AIRCRAFT MODEL COMPANY ot ear V I-OnrIldur 2 Available local hobby shop AeromasterA-Ray TrainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray ttFWSLUI U usslur arso syiiniesic Yourchoice ofcastol .. 4 Gal Case %Oneor5GalCan30 Gel Drum54 Gal Drum NitroGal Per Gal EA 0%10506601030014000 5%11507801520023500 10%14009102050033000 12%15009702270036800 15%160010102580042500 25%230017503630061400 40%300025005200089700 60%3800330070500123000 10% LFX-VI TOPS IN PATTERN FOR MORE INFORMATION CALL OR WRITE 5821 East Rosedale Worth TX 76112 JOHNNIE CASBURN MANUFACTURING INC Days8l7/45l-lS7D ts8171572-1452 model will fly taxi engines running same direction embarrassing also dangerous always needs safety-conscious flying flying twins needs cautious say twins fun very exciting fly Profile models fun way break twins Scale areas coun try clubs adding Profile Scale list events contests Its excellent way get beginners Scale competition low cost high degree fun Twins way add fun Try Airacuda get ready answer lot questions anyone out ever comes across set three-view drawings Ive got pair K&B 40s awaiting large Airacuda home Foam Zanonia/Mcllrath Continued page 62 cold weather Scott soon developed whole bag parlor tricks fleet seeds some tricks try after Pre-season Check-Up Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos S24 75 MILT ERB zanonias built adjusted Simple Loops Launch sharply forward down two three consecutive loops Circle Catch Bank right left toss slightly upward Adjust angle launch ship circles returns hand consistently try two complete circles Elvis Loops Hold Zanonia upside down thrust straight forward practice will make diving loop between legs zoom up behind recover above head Take-offs Place glider smooth floor kneel down beside Rest fingertips top wing whip quickly forward looping takeoff Formation Flying have stunts perfected try Stack two gliders top-to-bottom bottom-to-bottom launch once Very pretty formation maneuvers starbursts pos sible up four ships well matched adjusted Working foam supermarket New Frequency Conversion System$2500 50% oft wI Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies look fine-grained foam plastic trays used packaging meat pastry smooth feather-light about 5/32 thick will need about 9 10 long foam cuts sandpapers very easily Cut modeling tool sandpaper medium fine sandpaper glued block Model airplane glue dope will dissolve plastic Always use epoxy white glue Decorate decals felt-tip ball-point pens plastic model enamel almost thing except dope ink paint doesnt stick evenly sand plastic lightly remove surface gloss Building notes Simple instructions given plan Building easy exact balancing important glider complete push pin through Balance Point hold pin horizontally letting model rotate freely pin like propeller wing will heavier will swing bottom dont worry about model hangs wing straight up down nose tilts very slightly down thats fine nose points up add little clay pin handy weight nose until wing hangs vertically Now bend shaded part wing tips up about quarter inch gentle curve Dont make sharp crease will crush weaken plastic Flying Try few gentle glides Zanonia dives quickly floor bend rear edge tips up little swoops upward stalls dives lower bit ship sort wallows around up down side side add touch weight nose Once balance exactly right adjustment isnt touchy Bending trailing edge up other will cause correct turn Bend tip up side want model turn toward Youll find stunts easier tail bent up little plain gliding little practice will quickly develop knack launching adjusting just continued page 162 1685 Beckwith Dr Hudson OH 44236216 655-2278 160 Model Aviation Kraft RIC Electronics AUTHORIZED WARRANTY SERVICELJi ALSOAUTHORIZEDSERWCEFOR
Edition: Model Aviation - 1983/02
Page Numbers: 70, 71, 72, 159, 160
Unusual angie Airacuda bound get lot atares Irom crowd full-size Airacuda waa popular propaganda weapon early days World War ii never saw military action turned out Fourteen built have survived present Powered E two Cox 049 reed-valve engines profile-fuselage Control Line Sport Scale version neat plane Thirties easy build great fun fly Itll sensation flying fieldboth appearance sound twin engines U Dave Haught THIS AIRPLANE has rank high among list unusual fantasic designs aviation history almost immediately recognized product 1930s period time efforts striving future Airacudas appearance its time say least shocking Imagine seeing parked next contemporary biplane fighter day Curtiss Hawk con trast gives taste just advanced Airacuda Designed fend off threat enemy bombers making attacks American coast Airacuda would have filled role well ever needed As Airacuda never fired weapon anger seen combat would have awesome indeed An enemy fighter would have little chance escaping blast Airacudas twin 37mm cannons twin 30-caliber guns automatically locked onto target Firepower primary concern its design could deliver top speed 270 miles hour Airacuda would have very formidable adversary fourteen Airacudas built presently exist contributions design has made aviation industry still continue design itself still haunts few us Airacuda found soft spot mind Several odd pictures could find several years Dozens letters different archives turned up little Sep tember 1971 copy Airpower featured Airacuda story enough keep up few nights writing information Alas decent three-view drawing could found dreams super-Scale Control Line Airacuda would have wait couldnt build decided build profile Sport Scale model see would fly results super flew well has magic twin has Airacuda very maneuverable will loop engine distinctive sound two engines harmonious sync its unusual planform Airacuda gets lot attention flying field Few people recognize name read magazines early war years will probably remember Building Airacuda should present no special problems Twins general have few traits keep mind build two engines does available power double does accompanying vibration important take care ensure good strong glue joints locations Some Airacudas structure may look too beefy its way reason Aerodynamic loads also increased twins original model began show stress cracks loops plank wings / 32 sheet As shown plans construction quite adequate yet simple wing good place start building Cut out parts add notches trail ing edge begin construction Pin 70 Model Aviation Clean simple design blesses Airacuda Check tail surfaces Twins rarely offer such good moments wing area needs hinges regularly get significent stress prop blast lots nose weight balance properly aft engine location leading edge bottom spar trailing edge plan cut fit 1/32 sheet planking between Add ribs tips bellcrank mount metal belicrank steel lead outs pushrod tip weight word about control system will notice plans specify metal bellcrank lead-outs reason twins put stress entire control system plastic parts generally arent strong enough rely Finish off wing adding top spar planking sure spaces nacelles fuselage square fit snuggly will ensure good fit align ment assembly time wing dry give thorough sanding cut plank ing out notches nacelles fuselage rudder stabilizer very con ventional Cut out parts assemble shown plans / 8-in dowel elevator spar needs made straight piece prevent binding Use strong hinges stabilizer have stand fast airflow pusher engines Keep eye hinges unusual wear replace necessary rudder offset important also Dont skimp way keeping model out lines Engine thrust adjustments suggested keep line rest Airacuda looks fast rudder stabilizer close pusher engines propwaan over inc ieii suriaces manes gooa response just engine running extra vibration powerfrom engines use extra care assure strong glue jotnis February 1983 71 tension dynamics involved pusher engines located close center lift gravity make some complicated problems original model does well 0-0 thrust rudder offset shown Dont forget add notch fin dowel connecting elevators fuselage made two pieces sheet upper half notched fit leading edge spars trailing edge Make sure wing fuselage line up squarely glue bottom half place Use strong glue allow set before adding tail wheel stabilizer rudder assemblies drying cut out parts nacelles Cut notches fit wing glue together shown plans Take care ensure firewalls have unwanted offset Correct alignment problems wrap firewall areas light glass cloth Glue nacelles sew landing gear wires place Cover attachment points glass cloth add fairings bottom wing has dried sanded hook up pushrod adjust lead-outs Give entire model good sanding Fill dents rough areas Finish Airacuda five coats clear dope sand ing between coat overall color Airacuda silver Trim red blue shown plan paint curing add guns wheels set up engines power plants Cox 049s easy starting prime concern twin version larger tanks will give longer flight either will work well Whichever Cox engines choose use will need modified fol lows Remove backplate engines move fuel line pickup tube front tank Remember engines will facing rear model fuel pickup tubes need set outside corner tank Set both engines same will draw fuel same way Reinstall tanks tighten screws wont leak Mount engines checking 0-0 thrust Balance Airacuda shown plan Airacuda very responsive model tends overly sensitive balanced shown Dont worried about amount weight takes bal ance plane added power large wing area Airacuda will easily carry weight Before heading out flying field few Continued page 159 OSHEETOPSR N0ERACOK AA0 WIEU WE OATMW00 RHASS Ar71I~i] Zi iZZiIILLE 000ThK 32AN WAS 5 0 LEADNA .5-'ALL RIBS ARELEAVE 328 SPBOE FORTSP N BOTTOMEDGE E3232 SHEETNACaLES N PGSELAAE F LER LAO 8 DOWEL~2A0OR O NOR PLANK TOP B BOTTOM WITH 032 SASET NOTE NOTCHES FOR RIBS K 128 PLTWSOEI BELLIZOAMI MT NOTE 800008 OFFSET 00000 OR-- -_________ NYLON RINSESI/H GREET ELEOATOR N STABILIZER 0131 0495 SHOWN-NOTE FLEL LhE PICK-OP POSSESO-OTRROSTI N AS 1210 MA LANOINO 0008 L STRUTS -III AS SHOWN III OPPOSITE r 0133 3NN REFER TO SEPT 1971 AIRPOWER FOR BORE INFO NEVER PLO NEAR POWER LINES 1210 BA RED TRIB1 FUGELAGAlt ON DOWE WITR 25ESTE 8 EOHO.E ASK LEAD TO NOSE5CR WllMOAN TO SNO LE8OARVE 0 BOURN EOWN WAONTWTO8PROP WINO AS LA ON-SAREAS N N ER RE SNEFORNBACWR FOR wREaWELMITT 8NALAWIN ONLEE DA 72 Model Aviation rroriie aie becoming popuiar compeuuian evenslow iii esEpenumuure time money high iii Airacuda good way get startedand twins same time w 0 w w Cd w -J -J Cd z -J 0 w N -J -J LL DOWEL GANG RED TRIM mousetrap arrangement no rotating disk suffer malfunction mounting plate 26 x 07 depth 055 weight 175 grams plus another 17 grams rechargeable bat tery lasts 800 1000 actuations between charges charger selling $20 $25 will soon available AC available charging can done 9V transistor radio battery timing cycle actuated switch con nected timer 6-in electric wire Press ing switch resets timer zero releasing starts timing action allows switch placed ahead swinging-type towhook isa forward pull towhook timer resets zero towline releasedor tow/me breaks ssithout releasing timing function actuated Now hasnt someone already done mechan ical timer Order unit Koster Digital Timers P0 Box 54 DK-3400 Hillerod Denmark First Intergalactic Ornithopter Postal Flappers get acts together December 1983 postal make flights contest records trial sanctioned FAT its affiliates such AMA mail scores rules unfortunately ornithopters flown AMA competition might cause some problems well cope rules follows Event definition An ornithopter freelyflying model aircraft derives its lift propulsion primarily flapping its wings event director made clear no flap ping-prop models would permitted total supporting surface must exceed 1000 sq dm Thats 15500 sq kid No prob lem eh supporting surface includes sur faces used obtain lift pitch control Areas measured traces around surfaces sum areas fixed supporting surfaces must exceed one-half area flapping sur faces model must powered strands extensible rubber no restriction weight model weight rubber used sneaker would rule out some models meet AMA rules some models would meet AMA rules could enter Too bad think set rules about enough information nitty-gritty con tact David W Erbach 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Bob Meuser 4200 Gregory Si. Oakland CA 95619 Airacuda/Haught Continued page 72 things need said about safety Never try fly twins Dacron lines Always use steel lines suggest 007 steel lines 35 feet long will give performance boost will safer long run fray tangle easily Dacron Twins fun fly needs keep eye other engine during starting tuning Prop bites nasty avoided pusher configuration adds further complication person starting engines positions himself behind model helper holds front works best helper holds model starting battery Fill both fuel tanks first start inboard engine Move battery outboard engine start carefully top off both fuel tanks take off must caution both starter assistant reach over propeller arcs Fine-tune engines until sync unmistakable harmony two engines running time sounds neat also reduces damage vibration other thing need check before launching both engines running same direction Cox 049s work well pusher configurations because will run backwards alteration 24Gal126Gal Per GalPer Gal 575535 695585 825779 900867 925900 16001447 23002100 31002900 NEW Economy Fuel Castor Oil Lubricant 110078070066017000 28000 Free delivery 14525126 gal deals uSA 30 & 54 gal drums freight collect FOB Clover SC Gallon price determined nitro content & total quantity ordered SC orders add 4 % sales tax use charge card order CODs limited ups shipment Deduct 3% prepaymant Money Order Certified Check NEWPower Booster Oil scale engines. $lOlqt *30/galFioaeaeajecsso NEWPaws Rnnstsfssr scala engine $l2Iqt *38/gal freight included Uss3ozjgaldgss4ttutnodca 555 n3--I 222-7488 222-7285 February 1983 159 Designed Minimaster Easy build.easy fly.racy. rugged. fuil fight Wingspan 49% ne 15-25 Area 416 sq nE Weight 3% lbs ANDRE AIRCRAFT MODEL COMPANY ot ear V I-OnrIldur 2 Available local hobby shop AeromasterA-Ray TrainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray ttFWSLUI U usslur arso syiiniesic Yourchoice ofcastol .. 4 Gal Case %Oneor5GalCan30 Gel Drum54 Gal Drum NitroGal Per Gal EA 0%10506601030014000 5%11507801520023500 10%14009102050033000 12%15009702270036800 15%160010102580042500 25%230017503630061400 40%300025005200089700 60%3800330070500123000 10% LFX-VI TOPS IN PATTERN FOR MORE INFORMATION CALL OR WRITE 5821 East Rosedale Worth TX 76112 JOHNNIE CASBURN MANUFACTURING INC Days8l7/45l-lS7D ts8171572-1452 model will fly taxi engines running same direction embarrassing also dangerous always needs safety-conscious flying flying twins needs cautious say twins fun very exciting fly Profile models fun way break twins Scale areas coun try clubs adding Profile Scale list events contests Its excellent way get beginners Scale competition low cost high degree fun Twins way add fun Try Airacuda get ready answer lot questions anyone out ever comes across set three-view drawings Ive got pair K&B 40s awaiting large Airacuda home Foam Zanonia/Mcllrath Continued page 62 cold weather Scott soon developed whole bag parlor tricks fleet seeds some tricks try after Pre-season Check-Up Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos S24 75 MILT ERB zanonias built adjusted Simple Loops Launch sharply forward down two three consecutive loops Circle Catch Bank right left toss slightly upward Adjust angle launch ship circles returns hand consistently try two complete circles Elvis Loops Hold Zanonia upside down thrust straight forward practice will make diving loop between legs zoom up behind recover above head Take-offs Place glider smooth floor kneel down beside Rest fingertips top wing whip quickly forward looping takeoff Formation Flying have stunts perfected try Stack two gliders top-to-bottom bottom-to-bottom launch once Very pretty formation maneuvers starbursts pos sible up four ships well matched adjusted Working foam supermarket New Frequency Conversion System$2500 50% oft wI Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies look fine-grained foam plastic trays used packaging meat pastry smooth feather-light about 5/32 thick will need about 9 10 long foam cuts sandpapers very easily Cut modeling tool sandpaper medium fine sandpaper glued block Model airplane glue dope will dissolve plastic Always use epoxy white glue Decorate decals felt-tip ball-point pens plastic model enamel almost thing except dope ink paint doesnt stick evenly sand plastic lightly remove surface gloss Building notes Simple instructions given plan Building easy exact balancing important glider complete push pin through Balance Point hold pin horizontally letting model rotate freely pin like propeller wing will heavier will swing bottom dont worry about model hangs wing straight up down nose tilts very slightly down thats fine nose points up add little clay pin handy weight nose until wing hangs vertically Now bend shaded part wing tips up about quarter inch gentle curve Dont make sharp crease will crush weaken plastic Flying Try few gentle glides Zanonia dives quickly floor bend rear edge tips up little swoops upward stalls dives lower bit ship sort wallows around up down side side add touch weight nose Once balance exactly right adjustment isnt touchy Bending trailing edge up other will cause correct turn Bend tip up side want model turn toward Youll find stunts easier tail bent up little plain gliding little practice will quickly develop knack launching adjusting just continued page 162 1685 Beckwith Dr Hudson OH 44236216 655-2278 160 Model Aviation Kraft RIC Electronics AUTHORIZED WARRANTY SERVICELJi ALSOAUTHORIZEDSERWCEFOR
Edition: Model Aviation - 1983/02
Page Numbers: 70, 71, 72, 159, 160
Unusual angie Airacuda bound get lot atares Irom crowd full-size Airacuda waa popular propaganda weapon early days World War ii never saw military action turned out Fourteen built have survived present Powered E two Cox 049 reed-valve engines profile-fuselage Control Line Sport Scale version neat plane Thirties easy build great fun fly Itll sensation flying fieldboth appearance sound twin engines U Dave Haught THIS AIRPLANE has rank high among list unusual fantasic designs aviation history almost immediately recognized product 1930s period time efforts striving future Airacudas appearance its time say least shocking Imagine seeing parked next contemporary biplane fighter day Curtiss Hawk con trast gives taste just advanced Airacuda Designed fend off threat enemy bombers making attacks American coast Airacuda would have filled role well ever needed As Airacuda never fired weapon anger seen combat would have awesome indeed An enemy fighter would have little chance escaping blast Airacudas twin 37mm cannons twin 30-caliber guns automatically locked onto target Firepower primary concern its design could deliver top speed 270 miles hour Airacuda would have very formidable adversary fourteen Airacudas built presently exist contributions design has made aviation industry still continue design itself still haunts few us Airacuda found soft spot mind Several odd pictures could find several years Dozens letters different archives turned up little Sep tember 1971 copy Airpower featured Airacuda story enough keep up few nights writing information Alas decent three-view drawing could found dreams super-Scale Control Line Airacuda would have wait couldnt build decided build profile Sport Scale model see would fly results super flew well has magic twin has Airacuda very maneuverable will loop engine distinctive sound two engines harmonious sync its unusual planform Airacuda gets lot attention flying field Few people recognize name read magazines early war years will probably remember Building Airacuda should present no special problems Twins general have few traits keep mind build two engines does available power double does accompanying vibration important take care ensure good strong glue joints locations Some Airacudas structure may look too beefy its way reason Aerodynamic loads also increased twins original model began show stress cracks loops plank wings / 32 sheet As shown plans construction quite adequate yet simple wing good place start building Cut out parts add notches trail ing edge begin construction Pin 70 Model Aviation Clean simple design blesses Airacuda Check tail surfaces Twins rarely offer such good moments wing area needs hinges regularly get significent stress prop blast lots nose weight balance properly aft engine location leading edge bottom spar trailing edge plan cut fit 1/32 sheet planking between Add ribs tips bellcrank mount metal belicrank steel lead outs pushrod tip weight word about control system will notice plans specify metal bellcrank lead-outs reason twins put stress entire control system plastic parts generally arent strong enough rely Finish off wing adding top spar planking sure spaces nacelles fuselage square fit snuggly will ensure good fit align ment assembly time wing dry give thorough sanding cut plank ing out notches nacelles fuselage rudder stabilizer very con ventional Cut out parts assemble shown plans / 8-in dowel elevator spar needs made straight piece prevent binding Use strong hinges stabilizer have stand fast airflow pusher engines Keep eye hinges unusual wear replace necessary rudder offset important also Dont skimp way keeping model out lines Engine thrust adjustments suggested keep line rest Airacuda looks fast rudder stabilizer close pusher engines propwaan over inc ieii suriaces manes gooa response just engine running extra vibration powerfrom engines use extra care assure strong glue jotnis February 1983 71 tension dynamics involved pusher engines located close center lift gravity make some complicated problems original model does well 0-0 thrust rudder offset shown Dont forget add notch fin dowel connecting elevators fuselage made two pieces sheet upper half notched fit leading edge spars trailing edge Make sure wing fuselage line up squarely glue bottom half place Use strong glue allow set before adding tail wheel stabilizer rudder assemblies drying cut out parts nacelles Cut notches fit wing glue together shown plans Take care ensure firewalls have unwanted offset Correct alignment problems wrap firewall areas light glass cloth Glue nacelles sew landing gear wires place Cover attachment points glass cloth add fairings bottom wing has dried sanded hook up pushrod adjust lead-outs Give entire model good sanding Fill dents rough areas Finish Airacuda five coats clear dope sand ing between coat overall color Airacuda silver Trim red blue shown plan paint curing add guns wheels set up engines power plants Cox 049s easy starting prime concern twin version larger tanks will give longer flight either will work well Whichever Cox engines choose use will need modified fol lows Remove backplate engines move fuel line pickup tube front tank Remember engines will facing rear model fuel pickup tubes need set outside corner tank Set both engines same will draw fuel same way Reinstall tanks tighten screws wont leak Mount engines checking 0-0 thrust Balance Airacuda shown plan Airacuda very responsive model tends overly sensitive balanced shown Dont worried about amount weight takes bal ance plane added power large wing area Airacuda will easily carry weight Before heading out flying field few Continued page 159 OSHEETOPSR N0ERACOK AA0 WIEU WE OATMW00 RHASS Ar71I~i] Zi iZZiIILLE 000ThK 32AN WAS 5 0 LEADNA .5-'ALL RIBS ARELEAVE 328 SPBOE FORTSP N BOTTOMEDGE E3232 SHEETNACaLES N PGSELAAE F LER LAO 8 DOWEL~2A0OR O NOR PLANK TOP B BOTTOM WITH 032 SASET NOTE NOTCHES FOR RIBS K 128 PLTWSOEI BELLIZOAMI MT NOTE 800008 OFFSET 00000 OR-- -_________ NYLON RINSESI/H GREET ELEOATOR N STABILIZER 0131 0495 SHOWN-NOTE FLEL LhE PICK-OP POSSESO-OTRROSTI N AS 1210 MA LANOINO 0008 L STRUTS -III AS SHOWN III OPPOSITE r 0133 3NN REFER TO SEPT 1971 AIRPOWER FOR BORE INFO NEVER PLO NEAR POWER LINES 1210 BA RED TRIB1 FUGELAGAlt ON DOWE WITR 25ESTE 8 EOHO.E ASK LEAD TO NOSE5CR WllMOAN TO SNO LE8OARVE 0 BOURN EOWN WAONTWTO8PROP WINO AS LA ON-SAREAS N N ER RE SNEFORNBACWR FOR wREaWELMITT 8NALAWIN ONLEE DA 72 Model Aviation rroriie aie becoming popuiar compeuuian evenslow iii esEpenumuure time money high iii Airacuda good way get startedand twins same time w 0 w w Cd w -J -J Cd z -J 0 w N -J -J LL DOWEL GANG RED TRIM mousetrap arrangement no rotating disk suffer malfunction mounting plate 26 x 07 depth 055 weight 175 grams plus another 17 grams rechargeable bat tery lasts 800 1000 actuations between charges charger selling $20 $25 will soon available AC available charging can done 9V transistor radio battery timing cycle actuated switch con nected timer 6-in electric wire Press ing switch resets timer zero releasing starts timing action allows switch placed ahead swinging-type towhook isa forward pull towhook timer resets zero towline releasedor tow/me breaks ssithout releasing timing function actuated Now hasnt someone already done mechan ical timer Order unit Koster Digital Timers P0 Box 54 DK-3400 Hillerod Denmark First Intergalactic Ornithopter Postal Flappers get acts together December 1983 postal make flights contest records trial sanctioned FAT its affiliates such AMA mail scores rules unfortunately ornithopters flown AMA competition might cause some problems well cope rules follows Event definition An ornithopter freelyflying model aircraft derives its lift propulsion primarily flapping its wings event director made clear no flap ping-prop models would permitted total supporting surface must exceed 1000 sq dm Thats 15500 sq kid No prob lem eh supporting surface includes sur faces used obtain lift pitch control Areas measured traces around surfaces sum areas fixed supporting surfaces must exceed one-half area flapping sur faces model must powered strands extensible rubber no restriction weight model weight rubber used sneaker would rule out some models meet AMA rules some models would meet AMA rules could enter Too bad think set rules about enough information nitty-gritty con tact David W Erbach 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Bob Meuser 4200 Gregory Si. Oakland CA 95619 Airacuda/Haught Continued page 72 things need said about safety Never try fly twins Dacron lines Always use steel lines suggest 007 steel lines 35 feet long will give performance boost will safer long run fray tangle easily Dacron Twins fun fly needs keep eye other engine during starting tuning Prop bites nasty avoided pusher configuration adds further complication person starting engines positions himself behind model helper holds front works best helper holds model starting battery Fill both fuel tanks first start inboard engine Move battery outboard engine start carefully top off both fuel tanks take off must caution both starter assistant reach over propeller arcs Fine-tune engines until sync unmistakable harmony two engines running time sounds neat also reduces damage vibration other thing need check before launching both engines running same direction Cox 049s work well pusher configurations because will run backwards alteration 24Gal126Gal Per GalPer Gal 575535 695585 825779 900867 925900 16001447 23002100 31002900 NEW Economy Fuel Castor Oil Lubricant 110078070066017000 28000 Free delivery 14525126 gal deals uSA 30 & 54 gal drums freight collect FOB Clover SC Gallon price determined nitro content & total quantity ordered SC orders add 4 % sales tax use charge card order CODs limited ups shipment Deduct 3% prepaymant Money Order Certified Check NEWPower Booster Oil scale engines. $lOlqt *30/galFioaeaeajecsso NEWPaws Rnnstsfssr scala engine $l2Iqt *38/gal freight included Uss3ozjgaldgss4ttutnodca 555 n3--I 222-7488 222-7285 February 1983 159 Designed Minimaster Easy build.easy fly.racy. rugged. fuil fight Wingspan 49% ne 15-25 Area 416 sq nE Weight 3% lbs ANDRE AIRCRAFT MODEL COMPANY ot ear V I-OnrIldur 2 Available local hobby shop AeromasterA-Ray TrainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray ttFWSLUI U usslur arso syiiniesic Yourchoice ofcastol .. 4 Gal Case %Oneor5GalCan30 Gel Drum54 Gal Drum NitroGal Per Gal EA 0%10506601030014000 5%11507801520023500 10%14009102050033000 12%15009702270036800 15%160010102580042500 25%230017503630061400 40%300025005200089700 60%3800330070500123000 10% LFX-VI TOPS IN PATTERN FOR MORE INFORMATION CALL OR WRITE 5821 East Rosedale Worth TX 76112 JOHNNIE CASBURN MANUFACTURING INC Days8l7/45l-lS7D ts8171572-1452 model will fly taxi engines running same direction embarrassing also dangerous always needs safety-conscious flying flying twins needs cautious say twins fun very exciting fly Profile models fun way break twins Scale areas coun try clubs adding Profile Scale list events contests Its excellent way get beginners Scale competition low cost high degree fun Twins way add fun Try Airacuda get ready answer lot questions anyone out ever comes across set three-view drawings Ive got pair K&B 40s awaiting large Airacuda home Foam Zanonia/Mcllrath Continued page 62 cold weather Scott soon developed whole bag parlor tricks fleet seeds some tricks try after Pre-season Check-Up Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos S24 75 MILT ERB zanonias built adjusted Simple Loops Launch sharply forward down two three consecutive loops Circle Catch Bank right left toss slightly upward Adjust angle launch ship circles returns hand consistently try two complete circles Elvis Loops Hold Zanonia upside down thrust straight forward practice will make diving loop between legs zoom up behind recover above head Take-offs Place glider smooth floor kneel down beside Rest fingertips top wing whip quickly forward looping takeoff Formation Flying have stunts perfected try Stack two gliders top-to-bottom bottom-to-bottom launch once Very pretty formation maneuvers starbursts pos sible up four ships well matched adjusted Working foam supermarket New Frequency Conversion System$2500 50% oft wI Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies look fine-grained foam plastic trays used packaging meat pastry smooth feather-light about 5/32 thick will need about 9 10 long foam cuts sandpapers very easily Cut modeling tool sandpaper medium fine sandpaper glued block Model airplane glue dope will dissolve plastic Always use epoxy white glue Decorate decals felt-tip ball-point pens plastic model enamel almost thing except dope ink paint doesnt stick evenly sand plastic lightly remove surface gloss Building notes Simple instructions given plan Building easy exact balancing important glider complete push pin through Balance Point hold pin horizontally letting model rotate freely pin like propeller wing will heavier will swing bottom dont worry about model hangs wing straight up down nose tilts very slightly down thats fine nose points up add little clay pin handy weight nose until wing hangs vertically Now bend shaded part wing tips up about quarter inch gentle curve Dont make sharp crease will crush weaken plastic Flying Try few gentle glides Zanonia dives quickly floor bend rear edge tips up little swoops upward stalls dives lower bit ship sort wallows around up down side side add touch weight nose Once balance exactly right adjustment isnt touchy Bending trailing edge up other will cause correct turn Bend tip up side want model turn toward Youll find stunts easier tail bent up little plain gliding little practice will quickly develop knack launching adjusting just continued page 162 1685 Beckwith Dr Hudson OH 44236216 655-2278 160 Model Aviation Kraft RIC Electronics AUTHORIZED WARRANTY SERVICELJi ALSOAUTHORIZEDSERWCEFOR
Edition: Model Aviation - 1983/02
Page Numbers: 70, 71, 72, 159, 160
Unusual angie Airacuda bound get lot atares Irom crowd full-size Airacuda waa popular propaganda weapon early days World War ii never saw military action turned out Fourteen built have survived present Powered E two Cox 049 reed-valve engines profile-fuselage Control Line Sport Scale version neat plane Thirties easy build great fun fly Itll sensation flying fieldboth appearance sound twin engines U Dave Haught THIS AIRPLANE has rank high among list unusual fantasic designs aviation history almost immediately recognized product 1930s period time efforts striving future Airacudas appearance its time say least shocking Imagine seeing parked next contemporary biplane fighter day Curtiss Hawk con trast gives taste just advanced Airacuda Designed fend off threat enemy bombers making attacks American coast Airacuda would have filled role well ever needed As Airacuda never fired weapon anger seen combat would have awesome indeed An enemy fighter would have little chance escaping blast Airacudas twin 37mm cannons twin 30-caliber guns automatically locked onto target Firepower primary concern its design could deliver top speed 270 miles hour Airacuda would have very formidable adversary fourteen Airacudas built presently exist contributions design has made aviation industry still continue design itself still haunts few us Airacuda found soft spot mind Several odd pictures could find several years Dozens letters different archives turned up little Sep tember 1971 copy Airpower featured Airacuda story enough keep up few nights writing information Alas decent three-view drawing could found dreams super-Scale Control Line Airacuda would have wait couldnt build decided build profile Sport Scale model see would fly results super flew well has magic twin has Airacuda very maneuverable will loop engine distinctive sound two engines harmonious sync its unusual planform Airacuda gets lot attention flying field Few people recognize name read magazines early war years will probably remember Building Airacuda should present no special problems Twins general have few traits keep mind build two engines does available power double does accompanying vibration important take care ensure good strong glue joints locations Some Airacudas structure may look too beefy its way reason Aerodynamic loads also increased twins original model began show stress cracks loops plank wings / 32 sheet As shown plans construction quite adequate yet simple wing good place start building Cut out parts add notches trail ing edge begin construction Pin 70 Model Aviation Clean simple design blesses Airacuda Check tail surfaces Twins rarely offer such good moments wing area needs hinges regularly get significent stress prop blast lots nose weight balance properly aft engine location leading edge bottom spar trailing edge plan cut fit 1/32 sheet planking between Add ribs tips bellcrank mount metal belicrank steel lead outs pushrod tip weight word about control system will notice plans specify metal bellcrank lead-outs reason twins put stress entire control system plastic parts generally arent strong enough rely Finish off wing adding top spar planking sure spaces nacelles fuselage square fit snuggly will ensure good fit align ment assembly time wing dry give thorough sanding cut plank ing out notches nacelles fuselage rudder stabilizer very con ventional Cut out parts assemble shown plans / 8-in dowel elevator spar needs made straight piece prevent binding Use strong hinges stabilizer have stand fast airflow pusher engines Keep eye hinges unusual wear replace necessary rudder offset important also Dont skimp way keeping model out lines Engine thrust adjustments suggested keep line rest Airacuda looks fast rudder stabilizer close pusher engines propwaan over inc ieii suriaces manes gooa response just engine running extra vibration powerfrom engines use extra care assure strong glue jotnis February 1983 71 tension dynamics involved pusher engines located close center lift gravity make some complicated problems original model does well 0-0 thrust rudder offset shown Dont forget add notch fin dowel connecting elevators fuselage made two pieces sheet upper half notched fit leading edge spars trailing edge Make sure wing fuselage line up squarely glue bottom half place Use strong glue allow set before adding tail wheel stabilizer rudder assemblies drying cut out parts nacelles Cut notches fit wing glue together shown plans Take care ensure firewalls have unwanted offset Correct alignment problems wrap firewall areas light glass cloth Glue nacelles sew landing gear wires place Cover attachment points glass cloth add fairings bottom wing has dried sanded hook up pushrod adjust lead-outs Give entire model good sanding Fill dents rough areas Finish Airacuda five coats clear dope sand ing between coat overall color Airacuda silver Trim red blue shown plan paint curing add guns wheels set up engines power plants Cox 049s easy starting prime concern twin version larger tanks will give longer flight either will work well Whichever Cox engines choose use will need modified fol lows Remove backplate engines move fuel line pickup tube front tank Remember engines will facing rear model fuel pickup tubes need set outside corner tank Set both engines same will draw fuel same way Reinstall tanks tighten screws wont leak Mount engines checking 0-0 thrust Balance Airacuda shown plan Airacuda very responsive model tends overly sensitive balanced shown Dont worried about amount weight takes bal ance plane added power large wing area Airacuda will easily carry weight Before heading out flying field few Continued page 159 OSHEETOPSR N0ERACOK AA0 WIEU WE OATMW00 RHASS Ar71I~i] Zi iZZiIILLE 000ThK 32AN WAS 5 0 LEADNA .5-'ALL RIBS ARELEAVE 328 SPBOE FORTSP N BOTTOMEDGE E3232 SHEETNACaLES N PGSELAAE F LER LAO 8 DOWEL~2A0OR O NOR PLANK TOP B BOTTOM WITH 032 SASET NOTE NOTCHES FOR RIBS K 128 PLTWSOEI BELLIZOAMI MT NOTE 800008 OFFSET 00000 OR-- -_________ NYLON RINSESI/H GREET ELEOATOR N STABILIZER 0131 0495 SHOWN-NOTE FLEL LhE PICK-OP POSSESO-OTRROSTI N AS 1210 MA LANOINO 0008 L STRUTS -III AS SHOWN III OPPOSITE r 0133 3NN REFER TO SEPT 1971 AIRPOWER FOR BORE INFO NEVER PLO NEAR POWER LINES 1210 BA RED TRIB1 FUGELAGAlt ON DOWE WITR 25ESTE 8 EOHO.E ASK LEAD TO NOSE5CR WllMOAN TO SNO LE8OARVE 0 BOURN EOWN WAONTWTO8PROP WINO AS LA ON-SAREAS N N ER RE SNEFORNBACWR FOR wREaWELMITT 8NALAWIN ONLEE DA 72 Model Aviation rroriie aie becoming popuiar compeuuian evenslow iii esEpenumuure time money high iii Airacuda good way get startedand twins same time w 0 w w Cd w -J -J Cd z -J 0 w N -J -J LL DOWEL GANG RED TRIM mousetrap arrangement no rotating disk suffer malfunction mounting plate 26 x 07 depth 055 weight 175 grams plus another 17 grams rechargeable bat tery lasts 800 1000 actuations between charges charger selling $20 $25 will soon available AC available charging can done 9V transistor radio battery timing cycle actuated switch con nected timer 6-in electric wire Press ing switch resets timer zero releasing starts timing action allows switch placed ahead swinging-type towhook isa forward pull towhook timer resets zero towline releasedor tow/me breaks ssithout releasing timing function actuated Now hasnt someone already done mechan ical timer Order unit Koster Digital Timers P0 Box 54 DK-3400 Hillerod Denmark First Intergalactic Ornithopter Postal Flappers get acts together December 1983 postal make flights contest records trial sanctioned FAT its affiliates such AMA mail scores rules unfortunately ornithopters flown AMA competition might cause some problems well cope rules follows Event definition An ornithopter freelyflying model aircraft derives its lift propulsion primarily flapping its wings event director made clear no flap ping-prop models would permitted total supporting surface must exceed 1000 sq dm Thats 15500 sq kid No prob lem eh supporting surface includes sur faces used obtain lift pitch control Areas measured traces around surfaces sum areas fixed supporting surfaces must exceed one-half area flapping sur faces model must powered strands extensible rubber no restriction weight model weight rubber used sneaker would rule out some models meet AMA rules some models would meet AMA rules could enter Too bad think set rules about enough information nitty-gritty con tact David W Erbach 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Bob Meuser 4200 Gregory Si. Oakland CA 95619 Airacuda/Haught Continued page 72 things need said about safety Never try fly twins Dacron lines Always use steel lines suggest 007 steel lines 35 feet long will give performance boost will safer long run fray tangle easily Dacron Twins fun fly needs keep eye other engine during starting tuning Prop bites nasty avoided pusher configuration adds further complication person starting engines positions himself behind model helper holds front works best helper holds model starting battery Fill both fuel tanks first start inboard engine Move battery outboard engine start carefully top off both fuel tanks take off must caution both starter assistant reach over propeller arcs Fine-tune engines until sync unmistakable harmony two engines running time sounds neat also reduces damage vibration other thing need check before launching both engines running same direction Cox 049s work well pusher configurations because will run backwards alteration 24Gal126Gal Per GalPer Gal 575535 695585 825779 900867 925900 16001447 23002100 31002900 NEW Economy Fuel Castor Oil Lubricant 110078070066017000 28000 Free delivery 14525126 gal deals uSA 30 & 54 gal drums freight collect FOB Clover SC Gallon price determined nitro content & total quantity ordered SC orders add 4 % sales tax use charge card order CODs limited ups shipment Deduct 3% prepaymant Money Order Certified Check NEWPower Booster Oil scale engines. $lOlqt *30/galFioaeaeajecsso NEWPaws Rnnstsfssr scala engine $l2Iqt *38/gal freight included Uss3ozjgaldgss4ttutnodca 555 n3--I 222-7488 222-7285 February 1983 159 Designed Minimaster Easy build.easy fly.racy. rugged. fuil fight Wingspan 49% ne 15-25 Area 416 sq nE Weight 3% lbs ANDRE AIRCRAFT MODEL COMPANY ot ear V I-OnrIldur 2 Available local hobby shop AeromasterA-Ray TrainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray ttFWSLUI U usslur arso syiiniesic Yourchoice ofcastol .. 4 Gal Case %Oneor5GalCan30 Gel Drum54 Gal Drum NitroGal Per Gal EA 0%10506601030014000 5%11507801520023500 10%14009102050033000 12%15009702270036800 15%160010102580042500 25%230017503630061400 40%300025005200089700 60%3800330070500123000 10% LFX-VI TOPS IN PATTERN FOR MORE INFORMATION CALL OR WRITE 5821 East Rosedale Worth TX 76112 JOHNNIE CASBURN MANUFACTURING INC Days8l7/45l-lS7D ts8171572-1452 model will fly taxi engines running same direction embarrassing also dangerous always needs safety-conscious flying flying twins needs cautious say twins fun very exciting fly Profile models fun way break twins Scale areas coun try clubs adding Profile Scale list events contests Its excellent way get beginners Scale competition low cost high degree fun Twins way add fun Try Airacuda get ready answer lot questions anyone out ever comes across set three-view drawings Ive got pair K&B 40s awaiting large Airacuda home Foam Zanonia/Mcllrath Continued page 62 cold weather Scott soon developed whole bag parlor tricks fleet seeds some tricks try after Pre-season Check-Up Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos S24 75 MILT ERB zanonias built adjusted Simple Loops Launch sharply forward down two three consecutive loops Circle Catch Bank right left toss slightly upward Adjust angle launch ship circles returns hand consistently try two complete circles Elvis Loops Hold Zanonia upside down thrust straight forward practice will make diving loop between legs zoom up behind recover above head Take-offs Place glider smooth floor kneel down beside Rest fingertips top wing whip quickly forward looping takeoff Formation Flying have stunts perfected try Stack two gliders top-to-bottom bottom-to-bottom launch once Very pretty formation maneuvers starbursts pos sible up four ships well matched adjusted Working foam supermarket New Frequency Conversion System$2500 50% oft wI Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies look fine-grained foam plastic trays used packaging meat pastry smooth feather-light about 5/32 thick will need about 9 10 long foam cuts sandpapers very easily Cut modeling tool sandpaper medium fine sandpaper glued block Model airplane glue dope will dissolve plastic Always use epoxy white glue Decorate decals felt-tip ball-point pens plastic model enamel almost thing except dope ink paint doesnt stick evenly sand plastic lightly remove surface gloss Building notes Simple instructions given plan Building easy exact balancing important glider complete push pin through Balance Point hold pin horizontally letting model rotate freely pin like propeller wing will heavier will swing bottom dont worry about model hangs wing straight up down nose tilts very slightly down thats fine nose points up add little clay pin handy weight nose until wing hangs vertically Now bend shaded part wing tips up about quarter inch gentle curve Dont make sharp crease will crush weaken plastic Flying Try few gentle glides Zanonia dives quickly floor bend rear edge tips up little swoops upward stalls dives lower bit ship sort wallows around up down side side add touch weight nose Once balance exactly right adjustment isnt touchy Bending trailing edge up other will cause correct turn Bend tip up side want model turn toward Youll find stunts easier tail bent up little plain gliding little practice will quickly develop knack launching adjusting just continued page 162 1685 Beckwith Dr Hudson OH 44236216 655-2278 160 Model Aviation Kraft RIC Electronics AUTHORIZED WARRANTY SERVICELJi ALSOAUTHORIZEDSERWCEFOR
Edition: Model Aviation - 1983/02
Page Numbers: 70, 71, 72, 159, 160
Unusual angie Airacuda bound get lot atares Irom crowd full-size Airacuda waa popular propaganda weapon early days World War ii never saw military action turned out Fourteen built have survived present Powered E two Cox 049 reed-valve engines profile-fuselage Control Line Sport Scale version neat plane Thirties easy build great fun fly Itll sensation flying fieldboth appearance sound twin engines U Dave Haught THIS AIRPLANE has rank high among list unusual fantasic designs aviation history almost immediately recognized product 1930s period time efforts striving future Airacudas appearance its time say least shocking Imagine seeing parked next contemporary biplane fighter day Curtiss Hawk con trast gives taste just advanced Airacuda Designed fend off threat enemy bombers making attacks American coast Airacuda would have filled role well ever needed As Airacuda never fired weapon anger seen combat would have awesome indeed An enemy fighter would have little chance escaping blast Airacudas twin 37mm cannons twin 30-caliber guns automatically locked onto target Firepower primary concern its design could deliver top speed 270 miles hour Airacuda would have very formidable adversary fourteen Airacudas built presently exist contributions design has made aviation industry still continue design itself still haunts few us Airacuda found soft spot mind Several odd pictures could find several years Dozens letters different archives turned up little Sep tember 1971 copy Airpower featured Airacuda story enough keep up few nights writing information Alas decent three-view drawing could found dreams super-Scale Control Line Airacuda would have wait couldnt build decided build profile Sport Scale model see would fly results super flew well has magic twin has Airacuda very maneuverable will loop engine distinctive sound two engines harmonious sync its unusual planform Airacuda gets lot attention flying field Few people recognize name read magazines early war years will probably remember Building Airacuda should present no special problems Twins general have few traits keep mind build two engines does available power double does accompanying vibration important take care ensure good strong glue joints locations Some Airacudas structure may look too beefy its way reason Aerodynamic loads also increased twins original model began show stress cracks loops plank wings / 32 sheet As shown plans construction quite adequate yet simple wing good place start building Cut out parts add notches trail ing edge begin construction Pin 70 Model Aviation Clean simple design blesses Airacuda Check tail surfaces Twins rarely offer such good moments wing area needs hinges regularly get significent stress prop blast lots nose weight balance properly aft engine location leading edge bottom spar trailing edge plan cut fit 1/32 sheet planking between Add ribs tips bellcrank mount metal belicrank steel lead outs pushrod tip weight word about control system will notice plans specify metal bellcrank lead-outs reason twins put stress entire control system plastic parts generally arent strong enough rely Finish off wing adding top spar planking sure spaces nacelles fuselage square fit snuggly will ensure good fit align ment assembly time wing dry give thorough sanding cut plank ing out notches nacelles fuselage rudder stabilizer very con ventional Cut out parts assemble shown plans / 8-in dowel elevator spar needs made straight piece prevent binding Use strong hinges stabilizer have stand fast airflow pusher engines Keep eye hinges unusual wear replace necessary rudder offset important also Dont skimp way keeping model out lines Engine thrust adjustments suggested keep line rest Airacuda looks fast rudder stabilizer close pusher engines propwaan over inc ieii suriaces manes gooa response just engine running extra vibration powerfrom engines use extra care assure strong glue jotnis February 1983 71 tension dynamics involved pusher engines located close center lift gravity make some complicated problems original model does well 0-0 thrust rudder offset shown Dont forget add notch fin dowel connecting elevators fuselage made two pieces sheet upper half notched fit leading edge spars trailing edge Make sure wing fuselage line up squarely glue bottom half place Use strong glue allow set before adding tail wheel stabilizer rudder assemblies drying cut out parts nacelles Cut notches fit wing glue together shown plans Take care ensure firewalls have unwanted offset Correct alignment problems wrap firewall areas light glass cloth Glue nacelles sew landing gear wires place Cover attachment points glass cloth add fairings bottom wing has dried sanded hook up pushrod adjust lead-outs Give entire model good sanding Fill dents rough areas Finish Airacuda five coats clear dope sand ing between coat overall color Airacuda silver Trim red blue shown plan paint curing add guns wheels set up engines power plants Cox 049s easy starting prime concern twin version larger tanks will give longer flight either will work well Whichever Cox engines choose use will need modified fol lows Remove backplate engines move fuel line pickup tube front tank Remember engines will facing rear model fuel pickup tubes need set outside corner tank Set both engines same will draw fuel same way Reinstall tanks tighten screws wont leak Mount engines checking 0-0 thrust Balance Airacuda shown plan Airacuda very responsive model tends overly sensitive balanced shown Dont worried about amount weight takes bal ance plane added power large wing area Airacuda will easily carry weight Before heading out flying field few Continued page 159 OSHEETOPSR N0ERACOK AA0 WIEU WE OATMW00 RHASS Ar71I~i] Zi iZZiIILLE 000ThK 32AN WAS 5 0 LEADNA .5-'ALL RIBS ARELEAVE 328 SPBOE FORTSP N BOTTOMEDGE E3232 SHEETNACaLES N PGSELAAE F LER LAO 8 DOWEL~2A0OR O NOR PLANK TOP B BOTTOM WITH 032 SASET NOTE NOTCHES FOR RIBS K 128 PLTWSOEI BELLIZOAMI MT NOTE 800008 OFFSET 00000 OR-- -_________ NYLON RINSESI/H GREET ELEOATOR N STABILIZER 0131 0495 SHOWN-NOTE FLEL LhE PICK-OP POSSESO-OTRROSTI N AS 1210 MA LANOINO 0008 L STRUTS -III AS SHOWN III OPPOSITE r 0133 3NN REFER TO SEPT 1971 AIRPOWER FOR BORE INFO NEVER PLO NEAR POWER LINES 1210 BA RED TRIB1 FUGELAGAlt ON DOWE WITR 25ESTE 8 EOHO.E ASK LEAD TO NOSE5CR WllMOAN TO SNO LE8OARVE 0 BOURN EOWN WAONTWTO8PROP WINO AS LA ON-SAREAS N N ER RE SNEFORNBACWR FOR wREaWELMITT 8NALAWIN ONLEE DA 72 Model Aviation rroriie aie becoming popuiar compeuuian evenslow iii esEpenumuure time money high iii Airacuda good way get startedand twins same time w 0 w w Cd w -J -J Cd z -J 0 w N -J -J LL DOWEL GANG RED TRIM mousetrap arrangement no rotating disk suffer malfunction mounting plate 26 x 07 depth 055 weight 175 grams plus another 17 grams rechargeable bat tery lasts 800 1000 actuations between charges charger selling $20 $25 will soon available AC available charging can done 9V transistor radio battery timing cycle actuated switch con nected timer 6-in electric wire Press ing switch resets timer zero releasing starts timing action allows switch placed ahead swinging-type towhook isa forward pull towhook timer resets zero towline releasedor tow/me breaks ssithout releasing timing function actuated Now hasnt someone already done mechan ical timer Order unit Koster Digital Timers P0 Box 54 DK-3400 Hillerod Denmark First Intergalactic Ornithopter Postal Flappers get acts together December 1983 postal make flights contest records trial sanctioned FAT its affiliates such AMA mail scores rules unfortunately ornithopters flown AMA competition might cause some problems well cope rules follows Event definition An ornithopter freelyflying model aircraft derives its lift propulsion primarily flapping its wings event director made clear no flap ping-prop models would permitted total supporting surface must exceed 1000 sq dm Thats 15500 sq kid No prob lem eh supporting surface includes sur faces used obtain lift pitch control Areas measured traces around surfaces sum areas fixed supporting surfaces must exceed one-half area flapping sur faces model must powered strands extensible rubber no restriction weight model weight rubber used sneaker would rule out some models meet AMA rules some models would meet AMA rules could enter Too bad think set rules about enough information nitty-gritty con tact David W Erbach 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Bob Meuser 4200 Gregory Si. Oakland CA 95619 Airacuda/Haught Continued page 72 things need said about safety Never try fly twins Dacron lines Always use steel lines suggest 007 steel lines 35 feet long will give performance boost will safer long run fray tangle easily Dacron Twins fun fly needs keep eye other engine during starting tuning Prop bites nasty avoided pusher configuration adds further complication person starting engines positions himself behind model helper holds front works best helper holds model starting battery Fill both fuel tanks first start inboard engine Move battery outboard engine start carefully top off both fuel tanks take off must caution both starter assistant reach over propeller arcs Fine-tune engines until sync unmistakable harmony two engines running time sounds neat also reduces damage vibration other thing need check before launching both engines running same direction Cox 049s work well pusher configurations because will run backwards alteration 24Gal126Gal Per GalPer Gal 575535 695585 825779 900867 925900 16001447 23002100 31002900 NEW Economy Fuel Castor Oil Lubricant 110078070066017000 28000 Free delivery 14525126 gal deals uSA 30 & 54 gal drums freight collect FOB Clover SC Gallon price determined nitro content & total quantity ordered SC orders add 4 % sales tax use charge card order CODs limited ups shipment Deduct 3% prepaymant Money Order Certified Check NEWPower Booster Oil scale engines. $lOlqt *30/galFioaeaeajecsso NEWPaws Rnnstsfssr scala engine $l2Iqt *38/gal freight included Uss3ozjgaldgss4ttutnodca 555 n3--I 222-7488 222-7285 February 1983 159 Designed Minimaster Easy build.easy fly.racy. rugged. fuil fight Wingspan 49% ne 15-25 Area 416 sq nE Weight 3% lbs ANDRE AIRCRAFT MODEL COMPANY ot ear V I-OnrIldur 2 Available local hobby shop AeromasterA-Ray TrainermasterH-Ray MinimasterBig H-Ray SportmasterX-Ray ttFWSLUI U usslur arso syiiniesic Yourchoice ofcastol .. 4 Gal Case %Oneor5GalCan30 Gel Drum54 Gal Drum NitroGal Per Gal EA 0%10506601030014000 5%11507801520023500 10%14009102050033000 12%15009702270036800 15%160010102580042500 25%230017503630061400 40%300025005200089700 60%3800330070500123000 10% LFX-VI TOPS IN PATTERN FOR MORE INFORMATION CALL OR WRITE 5821 East Rosedale Worth TX 76112 JOHNNIE CASBURN MANUFACTURING INC Days8l7/45l-lS7D ts8171572-1452 model will fly taxi engines running same direction embarrassing also dangerous always needs safety-conscious flying flying twins needs cautious say twins fun very exciting fly Profile models fun way break twins Scale areas coun try clubs adding Profile Scale list events contests Its excellent way get beginners Scale competition low cost high degree fun Twins way add fun Try Airacuda get ready answer lot questions anyone out ever comes across set three-view drawings Ive got pair K&B 40s awaiting large Airacuda home Foam Zanonia/Mcllrath Continued page 62 cold weather Scott soon developed whole bag parlor tricks fleet seeds some tricks try after Pre-season Check-Up Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos S24 75 MILT ERB zanonias built adjusted Simple Loops Launch sharply forward down two three consecutive loops Circle Catch Bank right left toss slightly upward Adjust angle launch ship circles returns hand consistently try two complete circles Elvis Loops Hold Zanonia upside down thrust straight forward practice will make diving loop between legs zoom up behind recover above head Take-offs Place glider smooth floor kneel down beside Rest fingertips top wing whip quickly forward looping takeoff Formation Flying have stunts perfected try Stack two gliders top-to-bottom bottom-to-bottom launch once Very pretty formation maneuvers starbursts pos sible up four ships well matched adjusted Working foam supermarket New Frequency Conversion System$2500 50% oft wI Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies look fine-grained foam plastic trays used packaging meat pastry smooth feather-light about 5/32 thick will need about 9 10 long foam cuts sandpapers very easily Cut modeling tool sandpaper medium fine sandpaper glued block Model airplane glue dope will dissolve plastic Always use epoxy white glue Decorate decals felt-tip ball-point pens plastic model enamel almost thing except dope ink paint doesnt stick evenly sand plastic lightly remove surface gloss Building notes Simple instructions given plan Building easy exact balancing important glider complete push pin through Balance Point hold pin horizontally letting model rotate freely pin like propeller wing will heavier will swing bottom dont worry about model hangs wing straight up down nose tilts very slightly down thats fine nose points up add little clay pin handy weight nose until wing hangs vertically Now bend shaded part wing tips up about quarter inch gentle curve Dont make sharp crease will crush weaken plastic Flying Try few gentle glides Zanonia dives quickly floor bend rear edge tips up little swoops upward stalls dives lower bit ship sort wallows around up down side side add touch weight nose Once balance exactly right adjustment isnt touchy Bending trailing edge up other will cause correct turn Bend tip up side want model turn toward Youll find stunts easier tail bent up little plain gliding little practice will quickly develop knack launching adjusting just continued page 162 1685 Beckwith Dr Hudson OH 44236216 655-2278 160 Model Aviation Kraft RIC Electronics AUTHORIZED WARRANTY SERVICELJi ALSOAUTHORIZEDSERWCEFOR