It has good fortune partake great revo lutions well border skirmishes what joyfully known progressrubber gas free flight control line CL radiothe sport kings Chet Lanzo described ability pick out point crash Ignition glow Ray Ardens glow plug Twin pushers fuselage tractors Paper mike indoortoo much surgeons fingers Cabin gas pylon CO-2 out back again So ignition old-timer purists monster scale zealots electric powerand ready-to-fly its half brother almost-ready-to-fly Prop drives on-board starters Props can decapitate chicken Now once again strange things happening manufacturer spending over $1000000 promote new line ready-to-fly models both gas elec tric Two others pushing campaigns bigger have known advises 90% business now beginnersthe other 10% con sists crotchety activists drive him up wall Big things coming down pike FO doesnt know whether gloomy happy Good news bad news Since Walpole promised would defend death right say disagreed say Its good news happens deeply another book RC ready-to-fly thing has caused anguished revision midstream have numerous samples before usthey getting rapidly better assembled 1 5 minutes Phillips head rapid charge tend biggerand engin eering first rate want fly Thats telltalebut course ourcrash building program wearing desperate lively flying season Did know Max 10 Kraft Chipmunk challenge expert instant crash first-time flier does four-point rolls grabs us Southeast Asian friends know big export market see offer manner wild crates American manufacturers pushing ready-to-fly Fokker triplane fully stuntableone spies put through its paces have ever popped airborne pack place manner minutes have got realize ignore useful technology No servo rails groinmets screws tray plywood concoctions three days trying get little bugs out installation have dream ship mind 1981 golly going fit foam pieces HENDERTOON c U together block installation have radically improved Biblical way sticking radios crates generation must something better doing new things foam Triplane has four different densities depending parts manufac turer has new foam technique lighter skinned comes told guy think things toys tycoon said about Byrons big Pitts thats much different can move decimal point place hours takes put together ulti mate airplane FO shill Consider word toy hate having pets called toys have spent over years much time money convince public toys So public listening ready-to-go scale airplane toy cant have both ways did expect public react gospel singing made point Now will joined hundreds thousands new fliers cross road cow pasture control monster have helped create us thirsted expansion RC may have heed clarion call progress Cozy little groups hidden away bullrushes may have confront changing world learn live millions hobbyists dont read magazines never heard AMAor anything else can think ofand go plastics little rubber jobs simple profile ukies dream too once sharedRCwe like ranchers hated coming barbed wire Maybe well never see guys Some surely will learn about us come hopefully visit fly People write magazinebelieve notasking us have experts show print what kit What kit Good God new growing technologies will creep relent lessly kind kit building know today too bad plans too tough build kits generally lousy instructions have already accepted foam cores fiberglass much come may awhile hand writing may wall time investigate stuff course have regular Continued page 124 4 Model Aviation BILL WINTERS TOvehei& OIL 4 Ia E L11ZIC - uroduct review product review aroduct review two classics Flyline ITS HERE 11/2 Scale SEE YOUR LOCAL HOBBY DEALER send 25 catalog 34 span 020 power orsIs 95 free flightXQUAKER FLASH FLYLINE MODELS INC 2829 oGRe AVENUE a-li FAIRFAX VIRGINIA 22031 17031 573-2030 piece information about biplane RC pylon Bus havent chance read magazine regularly have got several copies year Therefore am writingto try enlist help problem am still very short experience information biplane RC pylon racing models should greatly appreciate anyone readers would contract will grant experi ence advice thanks anticipation publishing appeal Bohumil Matous Pod nemocnici 478/Ill 339 01 Klatovy Czechoslovakia have included Matousfull address convenience strongly urge out-going readers render him assistance needs Bonanza Rarity am curious Beech Bonanza aircraft continuous production almost 34 years rarely represented model aviation field aircraft undisputed classic respect beauty performance READY NOW 39 Wingspan $2495 Farman Moustique COLORFUL4O PER AIRPLANE KIT % CONTENTS * 12-COLORFUL SHEETS 4DESIGNS * FOLDING INSTRUCTIONS & WEIGHTS SEND $200 PLUS 508 POSTAGECHECK MO PER KIT allow 23 wIse delivery TO HEF ENTERPRISE INC. 7118 SummIt Rd Darien IL 80559 FF RC glider can get rather nerve wracking after look files start rubber model HL glider some relaxation Please have some rubber Construction articles Russell Millar San Angelo TX World am Czechoslovak aeromodeler have constructing RC aerobatics pattern ships few years now am very interested biplanes RC pylon racing models have got little experience categories especially pylon racing models shortage suitable materials country have read detail individual issue Model Aviation shall looking forward single channel nc Power Let em know youre coming what interest Now warm weather flying season youll want neatly dressed participate favorite outdoor activity tee shirts highquality 100% cotton got fit long wear plenty coolth Sizes 5 M L XL Decor silk screened ironed will peel crack wash off Elek Rider shirts yellow Astron shirts light blue Simitar ones tan product review product review product review Bonanza-loving public need some long over due supportarticles plans kits Daniel Habaugh US Army MED-SAO APO NY 09671 Sig has new big 60 Bonanza think House Balsa good Half Dan overseas like others doesnt hear scuttlebutt Inventory prevents MA assigning Bonanza dear editorial friends may please copy Openers/Winter continued page 4 airplanes no less loved ever Lets think positively make what promo tion against so-called toy image has helped create have excited RC will have new nameHungry Jack Like politics religionand CLA theory should discuss airfoils can get black eye am wiz wiz Collectively could bunch knot heads may still wondering about Warren Shipps kookey experiments flat wing touched upon last issue missed built flat frame paper covered wing measuring about 6 x 5 inches No tail no nothing blob clay leading edge Covered side always wants fly paper side down will half outside loop glide across room what wed consider inverted flight Covered both sides wing will always glide tighter smoother side down Since demon stration Mother Natures perversity aero nautical matters resulted FOs statement center pressure moves rearward flat plate opposite airfoil shape Shipp politely said isnt simple thing made sheet balsa CL does move rearward statedbut paper covered thing demon strates wing prefers glide paper side down slightly curved cambered sheet balsa wingnow have airfoilwill glide concave side up should panic 124 Model Aviation Southern R/C Accessories ARE NOW DAVE BROWN PRODUCTS SEE YOUR DEALER OR DISTRIBUTOR 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791-O7 Tee Shirts @ $695 plus $100 shippingl Bill Evans Aircraft 20825% Roscoe BIwi Canoga Park CA 91306 SOUTHERN PROSIX-SHOOTER RETRACTSNOW AVAILABLE FOR GASOLINE ALSO MRMUSCLEFUTUREGLASS FILLED STARTER PACK & CHARGER 12oNEW PRODUCTSNYLON MOTOR MOUNTS FLEXALL O BALOONS SORGUHM OFT bats belfry wonders about adding Jetexthere no moment arms thinks CO-2 might same thinghe thinks maybe no torque fell off last tum know about airfoilssimple things like thickness spelling excess drag offer clipping EAA magazine Sport Aviation article written R T Jones Senior Staff Scientist Ames Research Center NASA sure friends wont object couple startling quotes reproduction two sketches Jones compares smooth NACA 64-421 airfoil angle attack five degrees circular wire having same drag -2 356 CL p/2V2 0 Joukowaki airfoil theoretically derived pres sure distribution WIRE NACA 64-421 airfoil compared circular wire having same drag drawings alluded col umn part story ran EAAs Sport Aviationa delightful mae plane lovers pounds same airspeed using Reynolds Number 6000000 drag co efficient wire about 10 airfoi 0006 Get diameter wire 0006 chord afrfoil have repro duced airfoil youll have look sharp wireIt big period wing section develops lift force 150 pounds drag force pound foil 21% thick yet its drag hardly exceeds skin friction Hows L/D before try airfoil expecting model glide 150 feet foot altitude dont forget big wing drag comes induced dragthat business wing tip vortices total airplane drag remember yo run wind tunnel test walls serving end plates understand L/D goes thc hundreds Minimizing drag reason fo high-aspect wings glider guys used makes wonder about scale affect cross over point Mr Jones never theless should pop eyebrows Jones cites research 1906 gentlemar named Joukowski also Kutta Substantial lift F developed right angles flight directioi no pressure dragso said Joukowski W reproduce Joukowski airfoil theoreticall derived pressure distribution probably Jones Perhaps youd rather think about ready-to-fl models dismayed vitally important deve opment described George Myers column h gone virtually unnoticed use 50 maH meter leads insert between yo receiver battery pack scale divide three areas green up 150 ma yello 150 ma 400 ma red above 40 Serious model builders have reading M fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPT/ON PRICES 837 Post Road1 year $2000 Darien CT 06820Canada add $100 other countries add $275 Payment countries must US funds I Name Address CityStateZip El Ive enclosed check money order US funds ONLY El Master Charge/Visa Number___________________________________________________ ExpIration datelgnature I New aubacrltlen procesalng normally takesIrom 5 8 weeks $2000 June 1980 125 Subscribe Now switch allow both charge discharge read ingsthe former havent occasion use urge try will unquestionably improve reliability ma can check current drain system free running servos ofiamming loads servos due faulty linkage stupid say have hard move surface servo can move six pounds jammed draws over 400 mils off scale whole system activated found servo reading 400 ma plus low motor plane thermals much half hour low motor No wonder keep quick charging field As linkages activated note flicks yellow area some almost tip retl danger area 450 maH pack moving two three servos simultaneously Inter ference bad cellsbaloney present two revealing pictures thing connected Cox meter Lafayette Radio bargain George gave us flew Long Island guys last summer Actually has Things Please Us Curious about widespread use polyester drapery lining mater ials opted experiment scale Aristocrat know about excellence Coverite editor expected fool around asked Doc Mathews sample said least five varieties Sig something similar turns out Coverall few years ago disaster Sig saysahead its time Now have market apply wet would silk first having coated wood three times half-and-half dope/thinner dope down edges bonds well few waves warm iron shrinks rapidly like drum Since taut use Lite Coat avoid build-up pull butyrate Two coats half-and-half fills itthough used three weave very fine barely discernible grain brush halfand-half dope does run through glob does silk doesnt snag Two coats half-and-half color finish off incidentally Sig color dope Lite Coatwhich makes sense extremely easy apply work fast does however form around compound curves readily silkwhich can pull directions Sig also joined ranks iron-on tilm producerswill try soon World Engines Harry Roe gave us con vincing spiel about new Tartan 134cc Aristocrat relatively light compact very short drive washer runs either directiongood pushers lower rod has ball bearing upper rod bronze bushed lands middle proposed dummy Warner What Harry says extension shaft long three inches can used because engine has rear bearing crankshaft slung auto fashion need 1 inches get behind dummy After afternoon Ned Kragnessand hunting metric taps dieswe beauty Hell turn new big back washer knurled prop face drilled steel pinned engage holes drilled front face shaft extension Anyway lartan supposed turn 18 x 6 7500 Wed settle less case scale 7500 lot moxy real turned less 2000 also have choice Daviss conversion Max 60 turns 16 x 4 10000 Port temperature 450 degrees compared 900 glow almost noise propsounds like monster electric fan has Dukes new Eagle ready usalso Dieselized Well start Tartan crate debugged try Diesel 60s expect 60s get 20-pound 13 sq ft crate off smooth runway snapped through 60 normal com pression no fuel swung prop back painfully rapped hand pull through fist full fingers shot putt follow through Well use Sullivan starter Tartan glow burns oz per minute full bore half-throttle cruise will drop away downnot too bad like Klett aileron linkage hinges great hinging controls monsters new Cox/Sanwa four light years ahead old model have used three yearsof course rate switches ailerons elevators fascinate us new us can fine tune leisurely sport soaring crates will go Aristocrat two large servos wing panels No long leads Servos roots mechanical linkage ailerons delighted both Goldberg Du-Bro fittings pushrod attachment servo wheels arms Have using Goldbergs thing hole pushrod wire lock screw Instant adjustment weve easy time Du-Bro ball links Neat sturdy ball link has pried off Prefer screw-on type rather popular nylon washer under wheel locks onto indent tight nut assuring have Cox two ships arent buttering up guys also have two Futabas Kraft Sport MRC As far can tell brand see performs well field failure can occur regard less cost hundreds thousands makes being turned out begs providence think some tiny thing wont sometimes give trouble saw National Champion wipe out lovely twin another same radio noted peculiar wavering expanded scale volt meter Taylor panel problem battery strap kind push down two terminals Evidently things solderedat least some themand crud accumulated terminal inside strap soldered now sworn-at radio wrecked two planes functions perfectly warned 126 Model Aviation Dave Baker left Englands equivalent John Pond holds another modelers Cement Mixer dasigner John Worth autograph original Arden 09 pusher published Air Trails 1948 weighed 32 oz using Aerotrol radio rudder-only Model pioneer small RCas knew day monster aircraft vve came acrou tfles ancient Clipping personal file headlined worlds first silent airplane way back 50s John F Victory secretary old NACA Prop noise reduced 90% slower turning 5blade fan similar plane normal prop flew overhead 300 feet bystanders unable hear silent ship running up ground guy pic real surpriseJohn Worth thin hair An ex-B-29 tail gun ner seems have mixed up string weird NACA prolactsRC Rogallo wings etc fun well let him find finished mag
Edition: Model Aviation - 1980/06
Page Numbers: 4, 124, 125, 126
It has good fortune partake great revo lutions well border skirmishes what joyfully known progressrubber gas free flight control line CL radiothe sport kings Chet Lanzo described ability pick out point crash Ignition glow Ray Ardens glow plug Twin pushers fuselage tractors Paper mike indoortoo much surgeons fingers Cabin gas pylon CO-2 out back again So ignition old-timer purists monster scale zealots electric powerand ready-to-fly its half brother almost-ready-to-fly Prop drives on-board starters Props can decapitate chicken Now once again strange things happening manufacturer spending over $1000000 promote new line ready-to-fly models both gas elec tric Two others pushing campaigns bigger have known advises 90% business now beginnersthe other 10% con sists crotchety activists drive him up wall Big things coming down pike FO doesnt know whether gloomy happy Good news bad news Since Walpole promised would defend death right say disagreed say Its good news happens deeply another book RC ready-to-fly thing has caused anguished revision midstream have numerous samples before usthey getting rapidly better assembled 1 5 minutes Phillips head rapid charge tend biggerand engin eering first rate want fly Thats telltalebut course ourcrash building program wearing desperate lively flying season Did know Max 10 Kraft Chipmunk challenge expert instant crash first-time flier does four-point rolls grabs us Southeast Asian friends know big export market see offer manner wild crates American manufacturers pushing ready-to-fly Fokker triplane fully stuntableone spies put through its paces have ever popped airborne pack place manner minutes have got realize ignore useful technology No servo rails groinmets screws tray plywood concoctions three days trying get little bugs out installation have dream ship mind 1981 golly going fit foam pieces HENDERTOON c U together block installation have radically improved Biblical way sticking radios crates generation must something better doing new things foam Triplane has four different densities depending parts manufac turer has new foam technique lighter skinned comes told guy think things toys tycoon said about Byrons big Pitts thats much different can move decimal point place hours takes put together ulti mate airplane FO shill Consider word toy hate having pets called toys have spent over years much time money convince public toys So public listening ready-to-go scale airplane toy cant have both ways did expect public react gospel singing made point Now will joined hundreds thousands new fliers cross road cow pasture control monster have helped create us thirsted expansion RC may have heed clarion call progress Cozy little groups hidden away bullrushes may have confront changing world learn live millions hobbyists dont read magazines never heard AMAor anything else can think ofand go plastics little rubber jobs simple profile ukies dream too once sharedRCwe like ranchers hated coming barbed wire Maybe well never see guys Some surely will learn about us come hopefully visit fly People write magazinebelieve notasking us have experts show print what kit What kit Good God new growing technologies will creep relent lessly kind kit building know today too bad plans too tough build kits generally lousy instructions have already accepted foam cores fiberglass much come may awhile hand writing may wall time investigate stuff course have regular Continued page 124 4 Model Aviation BILL WINTERS TOvehei& OIL 4 Ia E L11ZIC - uroduct review product review aroduct review two classics Flyline ITS HERE 11/2 Scale SEE YOUR LOCAL HOBBY DEALER send 25 catalog 34 span 020 power orsIs 95 free flightXQUAKER FLASH FLYLINE MODELS INC 2829 oGRe AVENUE a-li FAIRFAX VIRGINIA 22031 17031 573-2030 piece information about biplane RC pylon Bus havent chance read magazine regularly have got several copies year Therefore am writingto try enlist help problem am still very short experience information biplane RC pylon racing models should greatly appreciate anyone readers would contract will grant experi ence advice thanks anticipation publishing appeal Bohumil Matous Pod nemocnici 478/Ill 339 01 Klatovy Czechoslovakia have included Matousfull address convenience strongly urge out-going readers render him assistance needs Bonanza Rarity am curious Beech Bonanza aircraft continuous production almost 34 years rarely represented model aviation field aircraft undisputed classic respect beauty performance READY NOW 39 Wingspan $2495 Farman Moustique COLORFUL4O PER AIRPLANE KIT % CONTENTS * 12-COLORFUL SHEETS 4DESIGNS * FOLDING INSTRUCTIONS & WEIGHTS SEND $200 PLUS 508 POSTAGECHECK MO PER KIT allow 23 wIse delivery TO HEF ENTERPRISE INC. 7118 SummIt Rd Darien IL 80559 FF RC glider can get rather nerve wracking after look files start rubber model HL glider some relaxation Please have some rubber Construction articles Russell Millar San Angelo TX World am Czechoslovak aeromodeler have constructing RC aerobatics pattern ships few years now am very interested biplanes RC pylon racing models have got little experience categories especially pylon racing models shortage suitable materials country have read detail individual issue Model Aviation shall looking forward single channel nc Power Let em know youre coming what interest Now warm weather flying season youll want neatly dressed participate favorite outdoor activity tee shirts highquality 100% cotton got fit long wear plenty coolth Sizes 5 M L XL Decor silk screened ironed will peel crack wash off Elek Rider shirts yellow Astron shirts light blue Simitar ones tan product review product review product review Bonanza-loving public need some long over due supportarticles plans kits Daniel Habaugh US Army MED-SAO APO NY 09671 Sig has new big 60 Bonanza think House Balsa good Half Dan overseas like others doesnt hear scuttlebutt Inventory prevents MA assigning Bonanza dear editorial friends may please copy Openers/Winter continued page 4 airplanes no less loved ever Lets think positively make what promo tion against so-called toy image has helped create have excited RC will have new nameHungry Jack Like politics religionand CLA theory should discuss airfoils can get black eye am wiz wiz Collectively could bunch knot heads may still wondering about Warren Shipps kookey experiments flat wing touched upon last issue missed built flat frame paper covered wing measuring about 6 x 5 inches No tail no nothing blob clay leading edge Covered side always wants fly paper side down will half outside loop glide across room what wed consider inverted flight Covered both sides wing will always glide tighter smoother side down Since demon stration Mother Natures perversity aero nautical matters resulted FOs statement center pressure moves rearward flat plate opposite airfoil shape Shipp politely said isnt simple thing made sheet balsa CL does move rearward statedbut paper covered thing demon strates wing prefers glide paper side down slightly curved cambered sheet balsa wingnow have airfoilwill glide concave side up should panic 124 Model Aviation Southern R/C Accessories ARE NOW DAVE BROWN PRODUCTS SEE YOUR DEALER OR DISTRIBUTOR 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791-O7 Tee Shirts @ $695 plus $100 shippingl Bill Evans Aircraft 20825% Roscoe BIwi Canoga Park CA 91306 SOUTHERN PROSIX-SHOOTER RETRACTSNOW AVAILABLE FOR GASOLINE ALSO MRMUSCLEFUTUREGLASS FILLED STARTER PACK & CHARGER 12oNEW PRODUCTSNYLON MOTOR MOUNTS FLEXALL O BALOONS SORGUHM OFT bats belfry wonders about adding Jetexthere no moment arms thinks CO-2 might same thinghe thinks maybe no torque fell off last tum know about airfoilssimple things like thickness spelling excess drag offer clipping EAA magazine Sport Aviation article written R T Jones Senior Staff Scientist Ames Research Center NASA sure friends wont object couple startling quotes reproduction two sketches Jones compares smooth NACA 64-421 airfoil angle attack five degrees circular wire having same drag -2 356 CL p/2V2 0 Joukowaki airfoil theoretically derived pres sure distribution WIRE NACA 64-421 airfoil compared circular wire having same drag drawings alluded col umn part story ran EAAs Sport Aviationa delightful mae plane lovers pounds same airspeed using Reynolds Number 6000000 drag co efficient wire about 10 airfoi 0006 Get diameter wire 0006 chord afrfoil have repro duced airfoil youll have look sharp wireIt big period wing section develops lift force 150 pounds drag force pound foil 21% thick yet its drag hardly exceeds skin friction Hows L/D before try airfoil expecting model glide 150 feet foot altitude dont forget big wing drag comes induced dragthat business wing tip vortices total airplane drag remember yo run wind tunnel test walls serving end plates understand L/D goes thc hundreds Minimizing drag reason fo high-aspect wings glider guys used makes wonder about scale affect cross over point Mr Jones never theless should pop eyebrows Jones cites research 1906 gentlemar named Joukowski also Kutta Substantial lift F developed right angles flight directioi no pressure dragso said Joukowski W reproduce Joukowski airfoil theoreticall derived pressure distribution probably Jones Perhaps youd rather think about ready-to-fl models dismayed vitally important deve opment described George Myers column h gone virtually unnoticed use 50 maH meter leads insert between yo receiver battery pack scale divide three areas green up 150 ma yello 150 ma 400 ma red above 40 Serious model builders have reading M fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPT/ON PRICES 837 Post Road1 year $2000 Darien CT 06820Canada add $100 other countries add $275 Payment countries must US funds I Name Address CityStateZip El Ive enclosed check money order US funds ONLY El Master Charge/Visa Number___________________________________________________ ExpIration datelgnature I New aubacrltlen procesalng normally takesIrom 5 8 weeks $2000 June 1980 125 Subscribe Now switch allow both charge discharge read ingsthe former havent occasion use urge try will unquestionably improve reliability ma can check current drain system free running servos ofiamming loads servos due faulty linkage stupid say have hard move surface servo can move six pounds jammed draws over 400 mils off scale whole system activated found servo reading 400 ma plus low motor plane thermals much half hour low motor No wonder keep quick charging field As linkages activated note flicks yellow area some almost tip retl danger area 450 maH pack moving two three servos simultaneously Inter ference bad cellsbaloney present two revealing pictures thing connected Cox meter Lafayette Radio bargain George gave us flew Long Island guys last summer Actually has Things Please Us Curious about widespread use polyester drapery lining mater ials opted experiment scale Aristocrat know about excellence Coverite editor expected fool around asked Doc Mathews sample said least five varieties Sig something similar turns out Coverall few years ago disaster Sig saysahead its time Now have market apply wet would silk first having coated wood three times half-and-half dope/thinner dope down edges bonds well few waves warm iron shrinks rapidly like drum Since taut use Lite Coat avoid build-up pull butyrate Two coats half-and-half fills itthough used three weave very fine barely discernible grain brush halfand-half dope does run through glob does silk doesnt snag Two coats half-and-half color finish off incidentally Sig color dope Lite Coatwhich makes sense extremely easy apply work fast does however form around compound curves readily silkwhich can pull directions Sig also joined ranks iron-on tilm producerswill try soon World Engines Harry Roe gave us con vincing spiel about new Tartan 134cc Aristocrat relatively light compact very short drive washer runs either directiongood pushers lower rod has ball bearing upper rod bronze bushed lands middle proposed dummy Warner What Harry says extension shaft long three inches can used because engine has rear bearing crankshaft slung auto fashion need 1 inches get behind dummy After afternoon Ned Kragnessand hunting metric taps dieswe beauty Hell turn new big back washer knurled prop face drilled steel pinned engage holes drilled front face shaft extension Anyway lartan supposed turn 18 x 6 7500 Wed settle less case scale 7500 lot moxy real turned less 2000 also have choice Daviss conversion Max 60 turns 16 x 4 10000 Port temperature 450 degrees compared 900 glow almost noise propsounds like monster electric fan has Dukes new Eagle ready usalso Dieselized Well start Tartan crate debugged try Diesel 60s expect 60s get 20-pound 13 sq ft crate off smooth runway snapped through 60 normal com pression no fuel swung prop back painfully rapped hand pull through fist full fingers shot putt follow through Well use Sullivan starter Tartan glow burns oz per minute full bore half-throttle cruise will drop away downnot too bad like Klett aileron linkage hinges great hinging controls monsters new Cox/Sanwa four light years ahead old model have used three yearsof course rate switches ailerons elevators fascinate us new us can fine tune leisurely sport soaring crates will go Aristocrat two large servos wing panels No long leads Servos roots mechanical linkage ailerons delighted both Goldberg Du-Bro fittings pushrod attachment servo wheels arms Have using Goldbergs thing hole pushrod wire lock screw Instant adjustment weve easy time Du-Bro ball links Neat sturdy ball link has pried off Prefer screw-on type rather popular nylon washer under wheel locks onto indent tight nut assuring have Cox two ships arent buttering up guys also have two Futabas Kraft Sport MRC As far can tell brand see performs well field failure can occur regard less cost hundreds thousands makes being turned out begs providence think some tiny thing wont sometimes give trouble saw National Champion wipe out lovely twin another same radio noted peculiar wavering expanded scale volt meter Taylor panel problem battery strap kind push down two terminals Evidently things solderedat least some themand crud accumulated terminal inside strap soldered now sworn-at radio wrecked two planes functions perfectly warned 126 Model Aviation Dave Baker left Englands equivalent John Pond holds another modelers Cement Mixer dasigner John Worth autograph original Arden 09 pusher published Air Trails 1948 weighed 32 oz using Aerotrol radio rudder-only Model pioneer small RCas knew day monster aircraft vve came acrou tfles ancient Clipping personal file headlined worlds first silent airplane way back 50s John F Victory secretary old NACA Prop noise reduced 90% slower turning 5blade fan similar plane normal prop flew overhead 300 feet bystanders unable hear silent ship running up ground guy pic real surpriseJohn Worth thin hair An ex-B-29 tail gun ner seems have mixed up string weird NACA prolactsRC Rogallo wings etc fun well let him find finished mag
Edition: Model Aviation - 1980/06
Page Numbers: 4, 124, 125, 126
It has good fortune partake great revo lutions well border skirmishes what joyfully known progressrubber gas free flight control line CL radiothe sport kings Chet Lanzo described ability pick out point crash Ignition glow Ray Ardens glow plug Twin pushers fuselage tractors Paper mike indoortoo much surgeons fingers Cabin gas pylon CO-2 out back again So ignition old-timer purists monster scale zealots electric powerand ready-to-fly its half brother almost-ready-to-fly Prop drives on-board starters Props can decapitate chicken Now once again strange things happening manufacturer spending over $1000000 promote new line ready-to-fly models both gas elec tric Two others pushing campaigns bigger have known advises 90% business now beginnersthe other 10% con sists crotchety activists drive him up wall Big things coming down pike FO doesnt know whether gloomy happy Good news bad news Since Walpole promised would defend death right say disagreed say Its good news happens deeply another book RC ready-to-fly thing has caused anguished revision midstream have numerous samples before usthey getting rapidly better assembled 1 5 minutes Phillips head rapid charge tend biggerand engin eering first rate want fly Thats telltalebut course ourcrash building program wearing desperate lively flying season Did know Max 10 Kraft Chipmunk challenge expert instant crash first-time flier does four-point rolls grabs us Southeast Asian friends know big export market see offer manner wild crates American manufacturers pushing ready-to-fly Fokker triplane fully stuntableone spies put through its paces have ever popped airborne pack place manner minutes have got realize ignore useful technology No servo rails groinmets screws tray plywood concoctions three days trying get little bugs out installation have dream ship mind 1981 golly going fit foam pieces HENDERTOON c U together block installation have radically improved Biblical way sticking radios crates generation must something better doing new things foam Triplane has four different densities depending parts manufac turer has new foam technique lighter skinned comes told guy think things toys tycoon said about Byrons big Pitts thats much different can move decimal point place hours takes put together ulti mate airplane FO shill Consider word toy hate having pets called toys have spent over years much time money convince public toys So public listening ready-to-go scale airplane toy cant have both ways did expect public react gospel singing made point Now will joined hundreds thousands new fliers cross road cow pasture control monster have helped create us thirsted expansion RC may have heed clarion call progress Cozy little groups hidden away bullrushes may have confront changing world learn live millions hobbyists dont read magazines never heard AMAor anything else can think ofand go plastics little rubber jobs simple profile ukies dream too once sharedRCwe like ranchers hated coming barbed wire Maybe well never see guys Some surely will learn about us come hopefully visit fly People write magazinebelieve notasking us have experts show print what kit What kit Good God new growing technologies will creep relent lessly kind kit building know today too bad plans too tough build kits generally lousy instructions have already accepted foam cores fiberglass much come may awhile hand writing may wall time investigate stuff course have regular Continued page 124 4 Model Aviation BILL WINTERS TOvehei& OIL 4 Ia E L11ZIC - uroduct review product review aroduct review two classics Flyline ITS HERE 11/2 Scale SEE YOUR LOCAL HOBBY DEALER send 25 catalog 34 span 020 power orsIs 95 free flightXQUAKER FLASH FLYLINE MODELS INC 2829 oGRe AVENUE a-li FAIRFAX VIRGINIA 22031 17031 573-2030 piece information about biplane RC pylon Bus havent chance read magazine regularly have got several copies year Therefore am writingto try enlist help problem am still very short experience information biplane RC pylon racing models should greatly appreciate anyone readers would contract will grant experi ence advice thanks anticipation publishing appeal Bohumil Matous Pod nemocnici 478/Ill 339 01 Klatovy Czechoslovakia have included Matousfull address convenience strongly urge out-going readers render him assistance needs Bonanza Rarity am curious Beech Bonanza aircraft continuous production almost 34 years rarely represented model aviation field aircraft undisputed classic respect beauty performance READY NOW 39 Wingspan $2495 Farman Moustique COLORFUL4O PER AIRPLANE KIT % CONTENTS * 12-COLORFUL SHEETS 4DESIGNS * FOLDING INSTRUCTIONS & WEIGHTS SEND $200 PLUS 508 POSTAGECHECK MO PER KIT allow 23 wIse delivery TO HEF ENTERPRISE INC. 7118 SummIt Rd Darien IL 80559 FF RC glider can get rather nerve wracking after look files start rubber model HL glider some relaxation Please have some rubber Construction articles Russell Millar San Angelo TX World am Czechoslovak aeromodeler have constructing RC aerobatics pattern ships few years now am very interested biplanes RC pylon racing models have got little experience categories especially pylon racing models shortage suitable materials country have read detail individual issue Model Aviation shall looking forward single channel nc Power Let em know youre coming what interest Now warm weather flying season youll want neatly dressed participate favorite outdoor activity tee shirts highquality 100% cotton got fit long wear plenty coolth Sizes 5 M L XL Decor silk screened ironed will peel crack wash off Elek Rider shirts yellow Astron shirts light blue Simitar ones tan product review product review product review Bonanza-loving public need some long over due supportarticles plans kits Daniel Habaugh US Army MED-SAO APO NY 09671 Sig has new big 60 Bonanza think House Balsa good Half Dan overseas like others doesnt hear scuttlebutt Inventory prevents MA assigning Bonanza dear editorial friends may please copy Openers/Winter continued page 4 airplanes no less loved ever Lets think positively make what promo tion against so-called toy image has helped create have excited RC will have new nameHungry Jack Like politics religionand CLA theory should discuss airfoils can get black eye am wiz wiz Collectively could bunch knot heads may still wondering about Warren Shipps kookey experiments flat wing touched upon last issue missed built flat frame paper covered wing measuring about 6 x 5 inches No tail no nothing blob clay leading edge Covered side always wants fly paper side down will half outside loop glide across room what wed consider inverted flight Covered both sides wing will always glide tighter smoother side down Since demon stration Mother Natures perversity aero nautical matters resulted FOs statement center pressure moves rearward flat plate opposite airfoil shape Shipp politely said isnt simple thing made sheet balsa CL does move rearward statedbut paper covered thing demon strates wing prefers glide paper side down slightly curved cambered sheet balsa wingnow have airfoilwill glide concave side up should panic 124 Model Aviation Southern R/C Accessories ARE NOW DAVE BROWN PRODUCTS SEE YOUR DEALER OR DISTRIBUTOR 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791-O7 Tee Shirts @ $695 plus $100 shippingl Bill Evans Aircraft 20825% Roscoe BIwi Canoga Park CA 91306 SOUTHERN PROSIX-SHOOTER RETRACTSNOW AVAILABLE FOR GASOLINE ALSO MRMUSCLEFUTUREGLASS FILLED STARTER PACK & CHARGER 12oNEW PRODUCTSNYLON MOTOR MOUNTS FLEXALL O BALOONS SORGUHM OFT bats belfry wonders about adding Jetexthere no moment arms thinks CO-2 might same thinghe thinks maybe no torque fell off last tum know about airfoilssimple things like thickness spelling excess drag offer clipping EAA magazine Sport Aviation article written R T Jones Senior Staff Scientist Ames Research Center NASA sure friends wont object couple startling quotes reproduction two sketches Jones compares smooth NACA 64-421 airfoil angle attack five degrees circular wire having same drag -2 356 CL p/2V2 0 Joukowaki airfoil theoretically derived pres sure distribution WIRE NACA 64-421 airfoil compared circular wire having same drag drawings alluded col umn part story ran EAAs Sport Aviationa delightful mae plane lovers pounds same airspeed using Reynolds Number 6000000 drag co efficient wire about 10 airfoi 0006 Get diameter wire 0006 chord afrfoil have repro duced airfoil youll have look sharp wireIt big period wing section develops lift force 150 pounds drag force pound foil 21% thick yet its drag hardly exceeds skin friction Hows L/D before try airfoil expecting model glide 150 feet foot altitude dont forget big wing drag comes induced dragthat business wing tip vortices total airplane drag remember yo run wind tunnel test walls serving end plates understand L/D goes thc hundreds Minimizing drag reason fo high-aspect wings glider guys used makes wonder about scale affect cross over point Mr Jones never theless should pop eyebrows Jones cites research 1906 gentlemar named Joukowski also Kutta Substantial lift F developed right angles flight directioi no pressure dragso said Joukowski W reproduce Joukowski airfoil theoreticall derived pressure distribution probably Jones Perhaps youd rather think about ready-to-fl models dismayed vitally important deve opment described George Myers column h gone virtually unnoticed use 50 maH meter leads insert between yo receiver battery pack scale divide three areas green up 150 ma yello 150 ma 400 ma red above 40 Serious model builders have reading M fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPT/ON PRICES 837 Post Road1 year $2000 Darien CT 06820Canada add $100 other countries add $275 Payment countries must US funds I Name Address CityStateZip El Ive enclosed check money order US funds ONLY El Master Charge/Visa Number___________________________________________________ ExpIration datelgnature I New aubacrltlen procesalng normally takesIrom 5 8 weeks $2000 June 1980 125 Subscribe Now switch allow both charge discharge read ingsthe former havent occasion use urge try will unquestionably improve reliability ma can check current drain system free running servos ofiamming loads servos due faulty linkage stupid say have hard move surface servo can move six pounds jammed draws over 400 mils off scale whole system activated found servo reading 400 ma plus low motor plane thermals much half hour low motor No wonder keep quick charging field As linkages activated note flicks yellow area some almost tip retl danger area 450 maH pack moving two three servos simultaneously Inter ference bad cellsbaloney present two revealing pictures thing connected Cox meter Lafayette Radio bargain George gave us flew Long Island guys last summer Actually has Things Please Us Curious about widespread use polyester drapery lining mater ials opted experiment scale Aristocrat know about excellence Coverite editor expected fool around asked Doc Mathews sample said least five varieties Sig something similar turns out Coverall few years ago disaster Sig saysahead its time Now have market apply wet would silk first having coated wood three times half-and-half dope/thinner dope down edges bonds well few waves warm iron shrinks rapidly like drum Since taut use Lite Coat avoid build-up pull butyrate Two coats half-and-half fills itthough used three weave very fine barely discernible grain brush halfand-half dope does run through glob does silk doesnt snag Two coats half-and-half color finish off incidentally Sig color dope Lite Coatwhich makes sense extremely easy apply work fast does however form around compound curves readily silkwhich can pull directions Sig also joined ranks iron-on tilm producerswill try soon World Engines Harry Roe gave us con vincing spiel about new Tartan 134cc Aristocrat relatively light compact very short drive washer runs either directiongood pushers lower rod has ball bearing upper rod bronze bushed lands middle proposed dummy Warner What Harry says extension shaft long three inches can used because engine has rear bearing crankshaft slung auto fashion need 1 inches get behind dummy After afternoon Ned Kragnessand hunting metric taps dieswe beauty Hell turn new big back washer knurled prop face drilled steel pinned engage holes drilled front face shaft extension Anyway lartan supposed turn 18 x 6 7500 Wed settle less case scale 7500 lot moxy real turned less 2000 also have choice Daviss conversion Max 60 turns 16 x 4 10000 Port temperature 450 degrees compared 900 glow almost noise propsounds like monster electric fan has Dukes new Eagle ready usalso Dieselized Well start Tartan crate debugged try Diesel 60s expect 60s get 20-pound 13 sq ft crate off smooth runway snapped through 60 normal com pression no fuel swung prop back painfully rapped hand pull through fist full fingers shot putt follow through Well use Sullivan starter Tartan glow burns oz per minute full bore half-throttle cruise will drop away downnot too bad like Klett aileron linkage hinges great hinging controls monsters new Cox/Sanwa four light years ahead old model have used three yearsof course rate switches ailerons elevators fascinate us new us can fine tune leisurely sport soaring crates will go Aristocrat two large servos wing panels No long leads Servos roots mechanical linkage ailerons delighted both Goldberg Du-Bro fittings pushrod attachment servo wheels arms Have using Goldbergs thing hole pushrod wire lock screw Instant adjustment weve easy time Du-Bro ball links Neat sturdy ball link has pried off Prefer screw-on type rather popular nylon washer under wheel locks onto indent tight nut assuring have Cox two ships arent buttering up guys also have two Futabas Kraft Sport MRC As far can tell brand see performs well field failure can occur regard less cost hundreds thousands makes being turned out begs providence think some tiny thing wont sometimes give trouble saw National Champion wipe out lovely twin another same radio noted peculiar wavering expanded scale volt meter Taylor panel problem battery strap kind push down two terminals Evidently things solderedat least some themand crud accumulated terminal inside strap soldered now sworn-at radio wrecked two planes functions perfectly warned 126 Model Aviation Dave Baker left Englands equivalent John Pond holds another modelers Cement Mixer dasigner John Worth autograph original Arden 09 pusher published Air Trails 1948 weighed 32 oz using Aerotrol radio rudder-only Model pioneer small RCas knew day monster aircraft vve came acrou tfles ancient Clipping personal file headlined worlds first silent airplane way back 50s John F Victory secretary old NACA Prop noise reduced 90% slower turning 5blade fan similar plane normal prop flew overhead 300 feet bystanders unable hear silent ship running up ground guy pic real surpriseJohn Worth thin hair An ex-B-29 tail gun ner seems have mixed up string weird NACA prolactsRC Rogallo wings etc fun well let him find finished mag
Edition: Model Aviation - 1980/06
Page Numbers: 4, 124, 125, 126
It has good fortune partake great revo lutions well border skirmishes what joyfully known progressrubber gas free flight control line CL radiothe sport kings Chet Lanzo described ability pick out point crash Ignition glow Ray Ardens glow plug Twin pushers fuselage tractors Paper mike indoortoo much surgeons fingers Cabin gas pylon CO-2 out back again So ignition old-timer purists monster scale zealots electric powerand ready-to-fly its half brother almost-ready-to-fly Prop drives on-board starters Props can decapitate chicken Now once again strange things happening manufacturer spending over $1000000 promote new line ready-to-fly models both gas elec tric Two others pushing campaigns bigger have known advises 90% business now beginnersthe other 10% con sists crotchety activists drive him up wall Big things coming down pike FO doesnt know whether gloomy happy Good news bad news Since Walpole promised would defend death right say disagreed say Its good news happens deeply another book RC ready-to-fly thing has caused anguished revision midstream have numerous samples before usthey getting rapidly better assembled 1 5 minutes Phillips head rapid charge tend biggerand engin eering first rate want fly Thats telltalebut course ourcrash building program wearing desperate lively flying season Did know Max 10 Kraft Chipmunk challenge expert instant crash first-time flier does four-point rolls grabs us Southeast Asian friends know big export market see offer manner wild crates American manufacturers pushing ready-to-fly Fokker triplane fully stuntableone spies put through its paces have ever popped airborne pack place manner minutes have got realize ignore useful technology No servo rails groinmets screws tray plywood concoctions three days trying get little bugs out installation have dream ship mind 1981 golly going fit foam pieces HENDERTOON c U together block installation have radically improved Biblical way sticking radios crates generation must something better doing new things foam Triplane has four different densities depending parts manufac turer has new foam technique lighter skinned comes told guy think things toys tycoon said about Byrons big Pitts thats much different can move decimal point place hours takes put together ulti mate airplane FO shill Consider word toy hate having pets called toys have spent over years much time money convince public toys So public listening ready-to-go scale airplane toy cant have both ways did expect public react gospel singing made point Now will joined hundreds thousands new fliers cross road cow pasture control monster have helped create us thirsted expansion RC may have heed clarion call progress Cozy little groups hidden away bullrushes may have confront changing world learn live millions hobbyists dont read magazines never heard AMAor anything else can think ofand go plastics little rubber jobs simple profile ukies dream too once sharedRCwe like ranchers hated coming barbed wire Maybe well never see guys Some surely will learn about us come hopefully visit fly People write magazinebelieve notasking us have experts show print what kit What kit Good God new growing technologies will creep relent lessly kind kit building know today too bad plans too tough build kits generally lousy instructions have already accepted foam cores fiberglass much come may awhile hand writing may wall time investigate stuff course have regular Continued page 124 4 Model Aviation BILL WINTERS TOvehei& OIL 4 Ia E L11ZIC - uroduct review product review aroduct review two classics Flyline ITS HERE 11/2 Scale SEE YOUR LOCAL HOBBY DEALER send 25 catalog 34 span 020 power orsIs 95 free flightXQUAKER FLASH FLYLINE MODELS INC 2829 oGRe AVENUE a-li FAIRFAX VIRGINIA 22031 17031 573-2030 piece information about biplane RC pylon Bus havent chance read magazine regularly have got several copies year Therefore am writingto try enlist help problem am still very short experience information biplane RC pylon racing models should greatly appreciate anyone readers would contract will grant experi ence advice thanks anticipation publishing appeal Bohumil Matous Pod nemocnici 478/Ill 339 01 Klatovy Czechoslovakia have included Matousfull address convenience strongly urge out-going readers render him assistance needs Bonanza Rarity am curious Beech Bonanza aircraft continuous production almost 34 years rarely represented model aviation field aircraft undisputed classic respect beauty performance READY NOW 39 Wingspan $2495 Farman Moustique COLORFUL4O PER AIRPLANE KIT % CONTENTS * 12-COLORFUL SHEETS 4DESIGNS * FOLDING INSTRUCTIONS & WEIGHTS SEND $200 PLUS 508 POSTAGECHECK MO PER KIT allow 23 wIse delivery TO HEF ENTERPRISE INC. 7118 SummIt Rd Darien IL 80559 FF RC glider can get rather nerve wracking after look files start rubber model HL glider some relaxation Please have some rubber Construction articles Russell Millar San Angelo TX World am Czechoslovak aeromodeler have constructing RC aerobatics pattern ships few years now am very interested biplanes RC pylon racing models have got little experience categories especially pylon racing models shortage suitable materials country have read detail individual issue Model Aviation shall looking forward single channel nc Power Let em know youre coming what interest Now warm weather flying season youll want neatly dressed participate favorite outdoor activity tee shirts highquality 100% cotton got fit long wear plenty coolth Sizes 5 M L XL Decor silk screened ironed will peel crack wash off Elek Rider shirts yellow Astron shirts light blue Simitar ones tan product review product review product review Bonanza-loving public need some long over due supportarticles plans kits Daniel Habaugh US Army MED-SAO APO NY 09671 Sig has new big 60 Bonanza think House Balsa good Half Dan overseas like others doesnt hear scuttlebutt Inventory prevents MA assigning Bonanza dear editorial friends may please copy Openers/Winter continued page 4 airplanes no less loved ever Lets think positively make what promo tion against so-called toy image has helped create have excited RC will have new nameHungry Jack Like politics religionand CLA theory should discuss airfoils can get black eye am wiz wiz Collectively could bunch knot heads may still wondering about Warren Shipps kookey experiments flat wing touched upon last issue missed built flat frame paper covered wing measuring about 6 x 5 inches No tail no nothing blob clay leading edge Covered side always wants fly paper side down will half outside loop glide across room what wed consider inverted flight Covered both sides wing will always glide tighter smoother side down Since demon stration Mother Natures perversity aero nautical matters resulted FOs statement center pressure moves rearward flat plate opposite airfoil shape Shipp politely said isnt simple thing made sheet balsa CL does move rearward statedbut paper covered thing demon strates wing prefers glide paper side down slightly curved cambered sheet balsa wingnow have airfoilwill glide concave side up should panic 124 Model Aviation Southern R/C Accessories ARE NOW DAVE BROWN PRODUCTS SEE YOUR DEALER OR DISTRIBUTOR 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791-O7 Tee Shirts @ $695 plus $100 shippingl Bill Evans Aircraft 20825% Roscoe BIwi Canoga Park CA 91306 SOUTHERN PROSIX-SHOOTER RETRACTSNOW AVAILABLE FOR GASOLINE ALSO MRMUSCLEFUTUREGLASS FILLED STARTER PACK & CHARGER 12oNEW PRODUCTSNYLON MOTOR MOUNTS FLEXALL O BALOONS SORGUHM OFT bats belfry wonders about adding Jetexthere no moment arms thinks CO-2 might same thinghe thinks maybe no torque fell off last tum know about airfoilssimple things like thickness spelling excess drag offer clipping EAA magazine Sport Aviation article written R T Jones Senior Staff Scientist Ames Research Center NASA sure friends wont object couple startling quotes reproduction two sketches Jones compares smooth NACA 64-421 airfoil angle attack five degrees circular wire having same drag -2 356 CL p/2V2 0 Joukowaki airfoil theoretically derived pres sure distribution WIRE NACA 64-421 airfoil compared circular wire having same drag drawings alluded col umn part story ran EAAs Sport Aviationa delightful mae plane lovers pounds same airspeed using Reynolds Number 6000000 drag co efficient wire about 10 airfoi 0006 Get diameter wire 0006 chord afrfoil have repro duced airfoil youll have look sharp wireIt big period wing section develops lift force 150 pounds drag force pound foil 21% thick yet its drag hardly exceeds skin friction Hows L/D before try airfoil expecting model glide 150 feet foot altitude dont forget big wing drag comes induced dragthat business wing tip vortices total airplane drag remember yo run wind tunnel test walls serving end plates understand L/D goes thc hundreds Minimizing drag reason fo high-aspect wings glider guys used makes wonder about scale affect cross over point Mr Jones never theless should pop eyebrows Jones cites research 1906 gentlemar named Joukowski also Kutta Substantial lift F developed right angles flight directioi no pressure dragso said Joukowski W reproduce Joukowski airfoil theoreticall derived pressure distribution probably Jones Perhaps youd rather think about ready-to-fl models dismayed vitally important deve opment described George Myers column h gone virtually unnoticed use 50 maH meter leads insert between yo receiver battery pack scale divide three areas green up 150 ma yello 150 ma 400 ma red above 40 Serious model builders have reading M fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPT/ON PRICES 837 Post Road1 year $2000 Darien CT 06820Canada add $100 other countries add $275 Payment countries must US funds I Name Address CityStateZip El Ive enclosed check money order US funds ONLY El Master Charge/Visa Number___________________________________________________ ExpIration datelgnature I New aubacrltlen procesalng normally takesIrom 5 8 weeks $2000 June 1980 125 Subscribe Now switch allow both charge discharge read ingsthe former havent occasion use urge try will unquestionably improve reliability ma can check current drain system free running servos ofiamming loads servos due faulty linkage stupid say have hard move surface servo can move six pounds jammed draws over 400 mils off scale whole system activated found servo reading 400 ma plus low motor plane thermals much half hour low motor No wonder keep quick charging field As linkages activated note flicks yellow area some almost tip retl danger area 450 maH pack moving two three servos simultaneously Inter ference bad cellsbaloney present two revealing pictures thing connected Cox meter Lafayette Radio bargain George gave us flew Long Island guys last summer Actually has Things Please Us Curious about widespread use polyester drapery lining mater ials opted experiment scale Aristocrat know about excellence Coverite editor expected fool around asked Doc Mathews sample said least five varieties Sig something similar turns out Coverall few years ago disaster Sig saysahead its time Now have market apply wet would silk first having coated wood three times half-and-half dope/thinner dope down edges bonds well few waves warm iron shrinks rapidly like drum Since taut use Lite Coat avoid build-up pull butyrate Two coats half-and-half fills itthough used three weave very fine barely discernible grain brush halfand-half dope does run through glob does silk doesnt snag Two coats half-and-half color finish off incidentally Sig color dope Lite Coatwhich makes sense extremely easy apply work fast does however form around compound curves readily silkwhich can pull directions Sig also joined ranks iron-on tilm producerswill try soon World Engines Harry Roe gave us con vincing spiel about new Tartan 134cc Aristocrat relatively light compact very short drive washer runs either directiongood pushers lower rod has ball bearing upper rod bronze bushed lands middle proposed dummy Warner What Harry says extension shaft long three inches can used because engine has rear bearing crankshaft slung auto fashion need 1 inches get behind dummy After afternoon Ned Kragnessand hunting metric taps dieswe beauty Hell turn new big back washer knurled prop face drilled steel pinned engage holes drilled front face shaft extension Anyway lartan supposed turn 18 x 6 7500 Wed settle less case scale 7500 lot moxy real turned less 2000 also have choice Daviss conversion Max 60 turns 16 x 4 10000 Port temperature 450 degrees compared 900 glow almost noise propsounds like monster electric fan has Dukes new Eagle ready usalso Dieselized Well start Tartan crate debugged try Diesel 60s expect 60s get 20-pound 13 sq ft crate off smooth runway snapped through 60 normal com pression no fuel swung prop back painfully rapped hand pull through fist full fingers shot putt follow through Well use Sullivan starter Tartan glow burns oz per minute full bore half-throttle cruise will drop away downnot too bad like Klett aileron linkage hinges great hinging controls monsters new Cox/Sanwa four light years ahead old model have used three yearsof course rate switches ailerons elevators fascinate us new us can fine tune leisurely sport soaring crates will go Aristocrat two large servos wing panels No long leads Servos roots mechanical linkage ailerons delighted both Goldberg Du-Bro fittings pushrod attachment servo wheels arms Have using Goldbergs thing hole pushrod wire lock screw Instant adjustment weve easy time Du-Bro ball links Neat sturdy ball link has pried off Prefer screw-on type rather popular nylon washer under wheel locks onto indent tight nut assuring have Cox two ships arent buttering up guys also have two Futabas Kraft Sport MRC As far can tell brand see performs well field failure can occur regard less cost hundreds thousands makes being turned out begs providence think some tiny thing wont sometimes give trouble saw National Champion wipe out lovely twin another same radio noted peculiar wavering expanded scale volt meter Taylor panel problem battery strap kind push down two terminals Evidently things solderedat least some themand crud accumulated terminal inside strap soldered now sworn-at radio wrecked two planes functions perfectly warned 126 Model Aviation Dave Baker left Englands equivalent John Pond holds another modelers Cement Mixer dasigner John Worth autograph original Arden 09 pusher published Air Trails 1948 weighed 32 oz using Aerotrol radio rudder-only Model pioneer small RCas knew day monster aircraft vve came acrou tfles ancient Clipping personal file headlined worlds first silent airplane way back 50s John F Victory secretary old NACA Prop noise reduced 90% slower turning 5blade fan similar plane normal prop flew overhead 300 feet bystanders unable hear silent ship running up ground guy pic real surpriseJohn Worth thin hair An ex-B-29 tail gun ner seems have mixed up string weird NACA prolactsRC Rogallo wings etc fun well let him find finished mag