MIDWEST CL Models Give choose from. theres Midwest model al kind CL flyer desires MAGICIAN 35 Engine Sizes 29 35 Wing Span 48 Greatest U Control stunt flyer trainer Easy build easier fly Kit No 235 MAGICIAN 15 Engine Sizes 15 19 Wing Span 34 Little brother Magician 35 Kit No 215 Engine Sizes Kit No 243 WARHAWK Engine Sizes Kit No 244 Engine Sizes 15 Kit No 242 29 to 35 Wing Span 48 15 to 19 Wing Span 33 29 to 35 Wing Span 48 19 Wing Span 33 q UDW5T 400 Soutt Indiana St Hobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Miss Americas Roots wondered felt saw cover fourth page February issue ModelAviation Well first thought was about time cleared up designer credit Miss America named Scientific have reprint 1937 Year Book will notice page 52 have note F Zaic influenced C Schmaedig design note did appear original 1937 Year Book title block simply stated commercial kit Scientific Mr Frisoli asked design model company agreed understanding name would appear plans other literature including advertising asked design gas model kit dont know made gas model until matter history no particular knew much about gas model design builders flying first effort So design could good did use much dihedral because would lose too much lift Luckily sheer coincidence Carl Schmaedig living time Anyway happened Carl fin ished flown nine foot gas model behaved nicely featured Model Craftsman March-May 1936 looked good appearance used basis layout eight foot model simplified construction made cabin pronounced changed some curves suppose way models designed would con sidered original designing way thinking As matter record Carl made original Miss America after school hours part keep light side Bam boo papered two coats clear test flight took model Holmes airport powered brand-new no-run-in Baby Cyclone no place run city dont remember much time spent trying make Baby run would blurp after primed conk out first careful limit gas tank after did think about Just make Baby run Well finally caught good solid shoved model light breeze took off quite rapidly good steady climb waited Baby stop kept going going going tried keep up it no use could hardly see it disappeared over house As far can remember model gone although Carl wrote got back did did Carl have make another comply agreement dont remember having model looked like Miss America around shop may price quoted Scientific pro ject complete model working drawings $5000 sum made two models lost Baby Cy clone Carls time almost free cut balsa wood l2 per board foot time two small rooms $1600 per month food averaged 50 per dayso did feel victims cir cumstancesI hope will clear up origin Miss America Frank Zaic Northridge CA $50 payment Frank mentions princely sum compared what some othe-r designers accepted famous designer still us today received pair air wheels payment giantsized gassie Scotty Murray paid $3forone designs Long Short First some applause decision issue Model Aviation long over due admit remember hullabaloo created decision made time has shown time right enjoy Model viation very much reasons belong AMA Now some comment article scale models John D Preston January 1978 issue MA article informative enjoyable agree ideas exception Johns comments short tail moment arms Fokker Dreidekken Monocoupe Actually both aircraft have favorable tail moment arms meas ured wing chord lengths aft center gravity horizontal tail surface primary reasons 6 Model Aviation KING COBRA Engine Sizes Kit No 236 types aircraft have such horrible landing ground handling characteris tics very short nose moment arms addition tail draggers short nose moment arm causes engine have lesser effect landing ground handling control rotary engine powered radial engined powered aircraft share characteristic WW aircraft bag build British SE-S Notice nice long nose moment arm adequate dihedral ample tail surface area design can made fly well rubber powered free flight hope comments have added little help building flying scale model aircraft Roy D Strader South Bend IN Ground handling characteristics vary greatly according aircraft fea tures number mentioned Narrow tread oneon WW aircraft much cross-wind problem because takeoffs landings could made direction wind aerodromes of-the day An example ground handling variations related design can found eronca Chief Champ Scouta kind blend two Wheel landings Chief required good forward pressure tail would drop abruptly runway Champ made effortless wheel landings simply holding full back suck Scout ground looping demon Early free flighters used long forward gear protect props eventually moved gear back improve takeoffs Nosen Citabra read articles quarter scale models has fascinated reading So get model find out flew han dled air took three months assemble kit get ready test flight test flew 15 mph Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuff Line-Silicone-Is far strongest market- transparent shows bubbles line heat resis Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL LINEPRICEITEM FUEL LINEPUCE 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic21/2 Pkg.25 86881 Medium Neoprene2 Pkg.8086886 Mediam Clear Plantic2 Pkg.30 86882 Large Neoprene2 Pkg.7086887 Large Clear Plastic2 Ptg.40 86883 Small Tuft Line1 Pkg . 5586888 Small Surgical Tubing2 Pkg.50 86884 Mediam Taft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pbg10086890 Large Sargical Tabing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Two-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RE amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-PrOoucts Inc 779 EK-Products .- . il1978 7 Continued page 58 Openers continued page 4 house leave top wing flat tip tip just real built alter Super Uni versal enclosed cockpit like Vegaand no wing struts wonders did put struts full cantilever wing first place WW days German officialdom de manded struts D-7 Listen Did hear contact took chain two sometimes three men prop some big old-tim ers came whine inertia starter mechanic strained crank behind engine written came concrete runways Bendix Thank goodness able fly off sod before hap pened See what started Bill Noonan may heresy wince time hear cliche model ers greatestdifferent normal people smothered superlatives reading Ron VanPutte month youll find him excited about trends Half House Balsa kits various retracts little birds suddenly re marks What beautiful hobby really felt good sin cerely reminded Implicit Rons remark sense infinitely varied pleasures model ingif dont wear blinders taking plethora experi ences Yet us endlessly pursue narrow interests wrong nothing once week charge durable bird put few flights Sunday thing Letters Editor continued page 7 breeze results amazing model extremly stable realistic wrong feel merely tolerant other strange characters thing whether indoor model Peanut Dare say free flight de lightful complement RC talk sophisticated FAT power jobs Nordics Wakefields however reward ing guys love talk thinks like Midwest Sniffer Originally designed kitted Wally Jabberwock Gollywock Simmers 049 Sniffer delightful flying machines ever hit hobby shops Sniffer dates back forties flew kids flew Planes like thisand otherscan flown pas tures relatively small fields must put small radio security try free flight using control keep nearby Wed bet could flown scale speeds 02 joy build Simmers used airfoil Clark Y top RAF 32 bottomand flies glides like magic some adventurer scaled up homebuilt would fly well Corben etc Polyhedral Real planes have used itthe Barling low-wing thirties Jodel John Thorps superlative T-l 8 have built model old-timers youve probably noted nice soaring turns get ships like Buzzard Bombshell its tiphedral Youll get lift first good flight make remote control contrive adjustments make little model what want such stay small areayoull entranced doesnt have main thing get way alcohol guzzler since indeed beautiful hobby VanPutte said gourmet flight am using HP 61 14/4 prop works out real good fly ing weight 13 lbs takes 20 30 feet runway airborne have rudder ailerons coupled together using Y harness hooked radio makes lot easier fly order make large models fly handle like real should feed rudder ailerons making bank doing will get amazing re sults setup works out extremely well makes model realistic air model will 10-foot ioop roll fly inverted ease winter plan mounting camera cockpit taking pictures flight should interesting have flown smaller aircraft after flying large ones way go am enclosing two photos model Les Hesley Mason City IA First Last found story about Bill Dunn January 78 issue MA very interes ting indeed thing Id love know though does actually fly models builds much does incredible back ground help hinder him transi tion does Thats got another whole story find MA very intelligently writ ten conceived Roland Michaud Crestwood NJ Bill Dunn Replies Glad liked article Jack Aycock wrote about January issue might clear thing up articlethe 519 hours mentioned 519 combat hours total flying time 8484 hours As questions No fly model aircraft build am really just learning fly RC models stick trainers 11 RC aircraft Ive built flown experienced RC pilots Pikes Peak RC Club has crashedtail heavy Im slowly learning its done special biplane trainer designed has 68-in wing span 1400 sq in-wing area powered Fox Eagle 60 fully aerobatic flies like box-kite lands about 7 mph No mentioned Im ready fly Spitfire Thunderbolt yet day soon per haps next summer Ill give ago am present building Westland Whirlwind DeHavilland Tiger Moth Gloster Gladiator Travel Air 2000 Future projects include DeHavilland 4 Hawker Hurricane flying experience real mircraft course helps considerably flying RC aircraft However lot tricks trade RC flying still must learn especially reverse control model flying toward Its great deal different being cockpit real bird Continued page 83 58 Model Aviation Letters Editor continued page 58 course RC model can sorts aerobatics real aircrafi can do.. Size am writing say thanks excellent article About Size Bradford Powers appeared 1/78 edition magazine Mr Powers presented material clear interesting manner yet supplied enough background equations logic make article value practical application Please let us see articles author others subject model aerody namics David U Zwolak Cincinnati OH Dream Site am 30 members Cen tour Radio Club East Liverpool Ohio club has picked up about 8 new members last 6 months May no field fly wrote head Parks Ohio asked permission RC club use part vast 22000 acres Ohio Beaver Creek State Park Old mills ground flour water over 100 years ago rolling hills etc park manager former Navy carrier pilot escorted us about 5 miles gave us nice field about 25 acres fly put log chains across entrance told us keep locked up avoid pot parties trouble before got members keys pad lock have nice place fly 1 mile nearest house Edwin H Orr East Liverpool OH Well Ill what its worth may offer following Two years ago test flying Wakefield al tube no file put up down R/L thrust did have rudder tab Because aircraft power stalling thought well put some right tab rudder Wind came up same next Sunday Following Sunday full power flights some ground After considerable thought about titude model powering up through air realized Am flying RR rudder tab set right As aircraft rolled right vertical tail slowly became stab What does aircraft down elevatordive comments Ive recd very good modelers Well Ill Don Eggersperger Redondo Beach CA Fairchild Ranger/Sauger continued page 17 half throttle full flaps slow fly-by about ttle about 10-mph headwind close scale fly ing speed possible Full flaps recom mended landings except strong winds means power landing As indicated earlier model will stay ground through rollout very little down trim Time dismantle Remove eight 4-40 screws Reach inside cabin unhook servo quick-release pushrods Squeeze two finger tabs slide out wing time Total time about three minutes little effort con struction youll apppreciate aes thetic value clean fuselage have simpler task storing certainly wish everyone success building flying Fairchild especially may consider graduating Sport Scale AMA appreciation owners N77661 Tom Leonhardt Dick Buck Jud Gud hous cooperation documenting April 1978 83
Edition: Model Aviation - 1978/04
Page Numbers: 6, 7, 58, 83
MIDWEST CL Models Give choose from. theres Midwest model al kind CL flyer desires MAGICIAN 35 Engine Sizes 29 35 Wing Span 48 Greatest U Control stunt flyer trainer Easy build easier fly Kit No 235 MAGICIAN 15 Engine Sizes 15 19 Wing Span 34 Little brother Magician 35 Kit No 215 Engine Sizes Kit No 243 WARHAWK Engine Sizes Kit No 244 Engine Sizes 15 Kit No 242 29 to 35 Wing Span 48 15 to 19 Wing Span 33 29 to 35 Wing Span 48 19 Wing Span 33 q UDW5T 400 Soutt Indiana St Hobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Miss Americas Roots wondered felt saw cover fourth page February issue ModelAviation Well first thought was about time cleared up designer credit Miss America named Scientific have reprint 1937 Year Book will notice page 52 have note F Zaic influenced C Schmaedig design note did appear original 1937 Year Book title block simply stated commercial kit Scientific Mr Frisoli asked design model company agreed understanding name would appear plans other literature including advertising asked design gas model kit dont know made gas model until matter history no particular knew much about gas model design builders flying first effort So design could good did use much dihedral because would lose too much lift Luckily sheer coincidence Carl Schmaedig living time Anyway happened Carl fin ished flown nine foot gas model behaved nicely featured Model Craftsman March-May 1936 looked good appearance used basis layout eight foot model simplified construction made cabin pronounced changed some curves suppose way models designed would con sidered original designing way thinking As matter record Carl made original Miss America after school hours part keep light side Bam boo papered two coats clear test flight took model Holmes airport powered brand-new no-run-in Baby Cyclone no place run city dont remember much time spent trying make Baby run would blurp after primed conk out first careful limit gas tank after did think about Just make Baby run Well finally caught good solid shoved model light breeze took off quite rapidly good steady climb waited Baby stop kept going going going tried keep up it no use could hardly see it disappeared over house As far can remember model gone although Carl wrote got back did did Carl have make another comply agreement dont remember having model looked like Miss America around shop may price quoted Scientific pro ject complete model working drawings $5000 sum made two models lost Baby Cy clone Carls time almost free cut balsa wood l2 per board foot time two small rooms $1600 per month food averaged 50 per dayso did feel victims cir cumstancesI hope will clear up origin Miss America Frank Zaic Northridge CA $50 payment Frank mentions princely sum compared what some othe-r designers accepted famous designer still us today received pair air wheels payment giantsized gassie Scotty Murray paid $3forone designs Long Short First some applause decision issue Model Aviation long over due admit remember hullabaloo created decision made time has shown time right enjoy Model viation very much reasons belong AMA Now some comment article scale models John D Preston January 1978 issue MA article informative enjoyable agree ideas exception Johns comments short tail moment arms Fokker Dreidekken Monocoupe Actually both aircraft have favorable tail moment arms meas ured wing chord lengths aft center gravity horizontal tail surface primary reasons 6 Model Aviation KING COBRA Engine Sizes Kit No 236 types aircraft have such horrible landing ground handling characteris tics very short nose moment arms addition tail draggers short nose moment arm causes engine have lesser effect landing ground handling control rotary engine powered radial engined powered aircraft share characteristic WW aircraft bag build British SE-S Notice nice long nose moment arm adequate dihedral ample tail surface area design can made fly well rubber powered free flight hope comments have added little help building flying scale model aircraft Roy D Strader South Bend IN Ground handling characteristics vary greatly according aircraft fea tures number mentioned Narrow tread oneon WW aircraft much cross-wind problem because takeoffs landings could made direction wind aerodromes of-the day An example ground handling variations related design can found eronca Chief Champ Scouta kind blend two Wheel landings Chief required good forward pressure tail would drop abruptly runway Champ made effortless wheel landings simply holding full back suck Scout ground looping demon Early free flighters used long forward gear protect props eventually moved gear back improve takeoffs Nosen Citabra read articles quarter scale models has fascinated reading So get model find out flew han dled air took three months assemble kit get ready test flight test flew 15 mph Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuff Line-Silicone-Is far strongest market- transparent shows bubbles line heat resis Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL LINEPRICEITEM FUEL LINEPUCE 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic21/2 Pkg.25 86881 Medium Neoprene2 Pkg.8086886 Mediam Clear Plantic2 Pkg.30 86882 Large Neoprene2 Pkg.7086887 Large Clear Plastic2 Ptg.40 86883 Small Tuft Line1 Pkg . 5586888 Small Surgical Tubing2 Pkg.50 86884 Mediam Taft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pbg10086890 Large Sargical Tabing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Two-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RE amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-PrOoucts Inc 779 EK-Products .- . il1978 7 Continued page 58 Openers continued page 4 house leave top wing flat tip tip just real built alter Super Uni versal enclosed cockpit like Vegaand no wing struts wonders did put struts full cantilever wing first place WW days German officialdom de manded struts D-7 Listen Did hear contact took chain two sometimes three men prop some big old-tim ers came whine inertia starter mechanic strained crank behind engine written came concrete runways Bendix Thank goodness able fly off sod before hap pened See what started Bill Noonan may heresy wince time hear cliche model ers greatestdifferent normal people smothered superlatives reading Ron VanPutte month youll find him excited about trends Half House Balsa kits various retracts little birds suddenly re marks What beautiful hobby really felt good sin cerely reminded Implicit Rons remark sense infinitely varied pleasures model ingif dont wear blinders taking plethora experi ences Yet us endlessly pursue narrow interests wrong nothing once week charge durable bird put few flights Sunday thing Letters Editor continued page 7 breeze results amazing model extremly stable realistic wrong feel merely tolerant other strange characters thing whether indoor model Peanut Dare say free flight de lightful complement RC talk sophisticated FAT power jobs Nordics Wakefields however reward ing guys love talk thinks like Midwest Sniffer Originally designed kitted Wally Jabberwock Gollywock Simmers 049 Sniffer delightful flying machines ever hit hobby shops Sniffer dates back forties flew kids flew Planes like thisand otherscan flown pas tures relatively small fields must put small radio security try free flight using control keep nearby Wed bet could flown scale speeds 02 joy build Simmers used airfoil Clark Y top RAF 32 bottomand flies glides like magic some adventurer scaled up homebuilt would fly well Corben etc Polyhedral Real planes have used itthe Barling low-wing thirties Jodel John Thorps superlative T-l 8 have built model old-timers youve probably noted nice soaring turns get ships like Buzzard Bombshell its tiphedral Youll get lift first good flight make remote control contrive adjustments make little model what want such stay small areayoull entranced doesnt have main thing get way alcohol guzzler since indeed beautiful hobby VanPutte said gourmet flight am using HP 61 14/4 prop works out real good fly ing weight 13 lbs takes 20 30 feet runway airborne have rudder ailerons coupled together using Y harness hooked radio makes lot easier fly order make large models fly handle like real should feed rudder ailerons making bank doing will get amazing re sults setup works out extremely well makes model realistic air model will 10-foot ioop roll fly inverted ease winter plan mounting camera cockpit taking pictures flight should interesting have flown smaller aircraft after flying large ones way go am enclosing two photos model Les Hesley Mason City IA First Last found story about Bill Dunn January 78 issue MA very interes ting indeed thing Id love know though does actually fly models builds much does incredible back ground help hinder him transi tion does Thats got another whole story find MA very intelligently writ ten conceived Roland Michaud Crestwood NJ Bill Dunn Replies Glad liked article Jack Aycock wrote about January issue might clear thing up articlethe 519 hours mentioned 519 combat hours total flying time 8484 hours As questions No fly model aircraft build am really just learning fly RC models stick trainers 11 RC aircraft Ive built flown experienced RC pilots Pikes Peak RC Club has crashedtail heavy Im slowly learning its done special biplane trainer designed has 68-in wing span 1400 sq in-wing area powered Fox Eagle 60 fully aerobatic flies like box-kite lands about 7 mph No mentioned Im ready fly Spitfire Thunderbolt yet day soon per haps next summer Ill give ago am present building Westland Whirlwind DeHavilland Tiger Moth Gloster Gladiator Travel Air 2000 Future projects include DeHavilland 4 Hawker Hurricane flying experience real mircraft course helps considerably flying RC aircraft However lot tricks trade RC flying still must learn especially reverse control model flying toward Its great deal different being cockpit real bird Continued page 83 58 Model Aviation Letters Editor continued page 58 course RC model can sorts aerobatics real aircrafi can do.. Size am writing say thanks excellent article About Size Bradford Powers appeared 1/78 edition magazine Mr Powers presented material clear interesting manner yet supplied enough background equations logic make article value practical application Please let us see articles author others subject model aerody namics David U Zwolak Cincinnati OH Dream Site am 30 members Cen tour Radio Club East Liverpool Ohio club has picked up about 8 new members last 6 months May no field fly wrote head Parks Ohio asked permission RC club use part vast 22000 acres Ohio Beaver Creek State Park Old mills ground flour water over 100 years ago rolling hills etc park manager former Navy carrier pilot escorted us about 5 miles gave us nice field about 25 acres fly put log chains across entrance told us keep locked up avoid pot parties trouble before got members keys pad lock have nice place fly 1 mile nearest house Edwin H Orr East Liverpool OH Well Ill what its worth may offer following Two years ago test flying Wakefield al tube no file put up down R/L thrust did have rudder tab Because aircraft power stalling thought well put some right tab rudder Wind came up same next Sunday Following Sunday full power flights some ground After considerable thought about titude model powering up through air realized Am flying RR rudder tab set right As aircraft rolled right vertical tail slowly became stab What does aircraft down elevatordive comments Ive recd very good modelers Well Ill Don Eggersperger Redondo Beach CA Fairchild Ranger/Sauger continued page 17 half throttle full flaps slow fly-by about ttle about 10-mph headwind close scale fly ing speed possible Full flaps recom mended landings except strong winds means power landing As indicated earlier model will stay ground through rollout very little down trim Time dismantle Remove eight 4-40 screws Reach inside cabin unhook servo quick-release pushrods Squeeze two finger tabs slide out wing time Total time about three minutes little effort con struction youll apppreciate aes thetic value clean fuselage have simpler task storing certainly wish everyone success building flying Fairchild especially may consider graduating Sport Scale AMA appreciation owners N77661 Tom Leonhardt Dick Buck Jud Gud hous cooperation documenting April 1978 83
Edition: Model Aviation - 1978/04
Page Numbers: 6, 7, 58, 83
MIDWEST CL Models Give choose from. theres Midwest model al kind CL flyer desires MAGICIAN 35 Engine Sizes 29 35 Wing Span 48 Greatest U Control stunt flyer trainer Easy build easier fly Kit No 235 MAGICIAN 15 Engine Sizes 15 19 Wing Span 34 Little brother Magician 35 Kit No 215 Engine Sizes Kit No 243 WARHAWK Engine Sizes Kit No 244 Engine Sizes 15 Kit No 242 29 to 35 Wing Span 48 15 to 19 Wing Span 33 29 to 35 Wing Span 48 19 Wing Span 33 q UDW5T 400 Soutt Indiana St Hobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Miss Americas Roots wondered felt saw cover fourth page February issue ModelAviation Well first thought was about time cleared up designer credit Miss America named Scientific have reprint 1937 Year Book will notice page 52 have note F Zaic influenced C Schmaedig design note did appear original 1937 Year Book title block simply stated commercial kit Scientific Mr Frisoli asked design model company agreed understanding name would appear plans other literature including advertising asked design gas model kit dont know made gas model until matter history no particular knew much about gas model design builders flying first effort So design could good did use much dihedral because would lose too much lift Luckily sheer coincidence Carl Schmaedig living time Anyway happened Carl fin ished flown nine foot gas model behaved nicely featured Model Craftsman March-May 1936 looked good appearance used basis layout eight foot model simplified construction made cabin pronounced changed some curves suppose way models designed would con sidered original designing way thinking As matter record Carl made original Miss America after school hours part keep light side Bam boo papered two coats clear test flight took model Holmes airport powered brand-new no-run-in Baby Cyclone no place run city dont remember much time spent trying make Baby run would blurp after primed conk out first careful limit gas tank after did think about Just make Baby run Well finally caught good solid shoved model light breeze took off quite rapidly good steady climb waited Baby stop kept going going going tried keep up it no use could hardly see it disappeared over house As far can remember model gone although Carl wrote got back did did Carl have make another comply agreement dont remember having model looked like Miss America around shop may price quoted Scientific pro ject complete model working drawings $5000 sum made two models lost Baby Cy clone Carls time almost free cut balsa wood l2 per board foot time two small rooms $1600 per month food averaged 50 per dayso did feel victims cir cumstancesI hope will clear up origin Miss America Frank Zaic Northridge CA $50 payment Frank mentions princely sum compared what some othe-r designers accepted famous designer still us today received pair air wheels payment giantsized gassie Scotty Murray paid $3forone designs Long Short First some applause decision issue Model Aviation long over due admit remember hullabaloo created decision made time has shown time right enjoy Model viation very much reasons belong AMA Now some comment article scale models John D Preston January 1978 issue MA article informative enjoyable agree ideas exception Johns comments short tail moment arms Fokker Dreidekken Monocoupe Actually both aircraft have favorable tail moment arms meas ured wing chord lengths aft center gravity horizontal tail surface primary reasons 6 Model Aviation KING COBRA Engine Sizes Kit No 236 types aircraft have such horrible landing ground handling characteris tics very short nose moment arms addition tail draggers short nose moment arm causes engine have lesser effect landing ground handling control rotary engine powered radial engined powered aircraft share characteristic WW aircraft bag build British SE-S Notice nice long nose moment arm adequate dihedral ample tail surface area design can made fly well rubber powered free flight hope comments have added little help building flying scale model aircraft Roy D Strader South Bend IN Ground handling characteristics vary greatly according aircraft fea tures number mentioned Narrow tread oneon WW aircraft much cross-wind problem because takeoffs landings could made direction wind aerodromes of-the day An example ground handling variations related design can found eronca Chief Champ Scouta kind blend two Wheel landings Chief required good forward pressure tail would drop abruptly runway Champ made effortless wheel landings simply holding full back suck Scout ground looping demon Early free flighters used long forward gear protect props eventually moved gear back improve takeoffs Nosen Citabra read articles quarter scale models has fascinated reading So get model find out flew han dled air took three months assemble kit get ready test flight test flew 15 mph Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuff Line-Silicone-Is far strongest market- transparent shows bubbles line heat resis Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL LINEPRICEITEM FUEL LINEPUCE 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic21/2 Pkg.25 86881 Medium Neoprene2 Pkg.8086886 Mediam Clear Plantic2 Pkg.30 86882 Large Neoprene2 Pkg.7086887 Large Clear Plastic2 Ptg.40 86883 Small Tuft Line1 Pkg . 5586888 Small Surgical Tubing2 Pkg.50 86884 Mediam Taft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pbg10086890 Large Sargical Tabing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Two-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RE amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-PrOoucts Inc 779 EK-Products .- . il1978 7 Continued page 58 Openers continued page 4 house leave top wing flat tip tip just real built alter Super Uni versal enclosed cockpit like Vegaand no wing struts wonders did put struts full cantilever wing first place WW days German officialdom de manded struts D-7 Listen Did hear contact took chain two sometimes three men prop some big old-tim ers came whine inertia starter mechanic strained crank behind engine written came concrete runways Bendix Thank goodness able fly off sod before hap pened See what started Bill Noonan may heresy wince time hear cliche model ers greatestdifferent normal people smothered superlatives reading Ron VanPutte month youll find him excited about trends Half House Balsa kits various retracts little birds suddenly re marks What beautiful hobby really felt good sin cerely reminded Implicit Rons remark sense infinitely varied pleasures model ingif dont wear blinders taking plethora experi ences Yet us endlessly pursue narrow interests wrong nothing once week charge durable bird put few flights Sunday thing Letters Editor continued page 7 breeze results amazing model extremly stable realistic wrong feel merely tolerant other strange characters thing whether indoor model Peanut Dare say free flight de lightful complement RC talk sophisticated FAT power jobs Nordics Wakefields however reward ing guys love talk thinks like Midwest Sniffer Originally designed kitted Wally Jabberwock Gollywock Simmers 049 Sniffer delightful flying machines ever hit hobby shops Sniffer dates back forties flew kids flew Planes like thisand otherscan flown pas tures relatively small fields must put small radio security try free flight using control keep nearby Wed bet could flown scale speeds 02 joy build Simmers used airfoil Clark Y top RAF 32 bottomand flies glides like magic some adventurer scaled up homebuilt would fly well Corben etc Polyhedral Real planes have used itthe Barling low-wing thirties Jodel John Thorps superlative T-l 8 have built model old-timers youve probably noted nice soaring turns get ships like Buzzard Bombshell its tiphedral Youll get lift first good flight make remote control contrive adjustments make little model what want such stay small areayoull entranced doesnt have main thing get way alcohol guzzler since indeed beautiful hobby VanPutte said gourmet flight am using HP 61 14/4 prop works out real good fly ing weight 13 lbs takes 20 30 feet runway airborne have rudder ailerons coupled together using Y harness hooked radio makes lot easier fly order make large models fly handle like real should feed rudder ailerons making bank doing will get amazing re sults setup works out extremely well makes model realistic air model will 10-foot ioop roll fly inverted ease winter plan mounting camera cockpit taking pictures flight should interesting have flown smaller aircraft after flying large ones way go am enclosing two photos model Les Hesley Mason City IA First Last found story about Bill Dunn January 78 issue MA very interes ting indeed thing Id love know though does actually fly models builds much does incredible back ground help hinder him transi tion does Thats got another whole story find MA very intelligently writ ten conceived Roland Michaud Crestwood NJ Bill Dunn Replies Glad liked article Jack Aycock wrote about January issue might clear thing up articlethe 519 hours mentioned 519 combat hours total flying time 8484 hours As questions No fly model aircraft build am really just learning fly RC models stick trainers 11 RC aircraft Ive built flown experienced RC pilots Pikes Peak RC Club has crashedtail heavy Im slowly learning its done special biplane trainer designed has 68-in wing span 1400 sq in-wing area powered Fox Eagle 60 fully aerobatic flies like box-kite lands about 7 mph No mentioned Im ready fly Spitfire Thunderbolt yet day soon per haps next summer Ill give ago am present building Westland Whirlwind DeHavilland Tiger Moth Gloster Gladiator Travel Air 2000 Future projects include DeHavilland 4 Hawker Hurricane flying experience real mircraft course helps considerably flying RC aircraft However lot tricks trade RC flying still must learn especially reverse control model flying toward Its great deal different being cockpit real bird Continued page 83 58 Model Aviation Letters Editor continued page 58 course RC model can sorts aerobatics real aircrafi can do.. Size am writing say thanks excellent article About Size Bradford Powers appeared 1/78 edition magazine Mr Powers presented material clear interesting manner yet supplied enough background equations logic make article value practical application Please let us see articles author others subject model aerody namics David U Zwolak Cincinnati OH Dream Site am 30 members Cen tour Radio Club East Liverpool Ohio club has picked up about 8 new members last 6 months May no field fly wrote head Parks Ohio asked permission RC club use part vast 22000 acres Ohio Beaver Creek State Park Old mills ground flour water over 100 years ago rolling hills etc park manager former Navy carrier pilot escorted us about 5 miles gave us nice field about 25 acres fly put log chains across entrance told us keep locked up avoid pot parties trouble before got members keys pad lock have nice place fly 1 mile nearest house Edwin H Orr East Liverpool OH Well Ill what its worth may offer following Two years ago test flying Wakefield al tube no file put up down R/L thrust did have rudder tab Because aircraft power stalling thought well put some right tab rudder Wind came up same next Sunday Following Sunday full power flights some ground After considerable thought about titude model powering up through air realized Am flying RR rudder tab set right As aircraft rolled right vertical tail slowly became stab What does aircraft down elevatordive comments Ive recd very good modelers Well Ill Don Eggersperger Redondo Beach CA Fairchild Ranger/Sauger continued page 17 half throttle full flaps slow fly-by about ttle about 10-mph headwind close scale fly ing speed possible Full flaps recom mended landings except strong winds means power landing As indicated earlier model will stay ground through rollout very little down trim Time dismantle Remove eight 4-40 screws Reach inside cabin unhook servo quick-release pushrods Squeeze two finger tabs slide out wing time Total time about three minutes little effort con struction youll apppreciate aes thetic value clean fuselage have simpler task storing certainly wish everyone success building flying Fairchild especially may consider graduating Sport Scale AMA appreciation owners N77661 Tom Leonhardt Dick Buck Jud Gud hous cooperation documenting April 1978 83
Edition: Model Aviation - 1978/04
Page Numbers: 6, 7, 58, 83
MIDWEST CL Models Give choose from. theres Midwest model al kind CL flyer desires MAGICIAN 35 Engine Sizes 29 35 Wing Span 48 Greatest U Control stunt flyer trainer Easy build easier fly Kit No 235 MAGICIAN 15 Engine Sizes 15 19 Wing Span 34 Little brother Magician 35 Kit No 215 Engine Sizes Kit No 243 WARHAWK Engine Sizes Kit No 244 Engine Sizes 15 Kit No 242 29 to 35 Wing Span 48 15 to 19 Wing Span 33 29 to 35 Wing Span 48 19 Wing Span 33 q UDW5T 400 Soutt Indiana St Hobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Miss Americas Roots wondered felt saw cover fourth page February issue ModelAviation Well first thought was about time cleared up designer credit Miss America named Scientific have reprint 1937 Year Book will notice page 52 have note F Zaic influenced C Schmaedig design note did appear original 1937 Year Book title block simply stated commercial kit Scientific Mr Frisoli asked design model company agreed understanding name would appear plans other literature including advertising asked design gas model kit dont know made gas model until matter history no particular knew much about gas model design builders flying first effort So design could good did use much dihedral because would lose too much lift Luckily sheer coincidence Carl Schmaedig living time Anyway happened Carl fin ished flown nine foot gas model behaved nicely featured Model Craftsman March-May 1936 looked good appearance used basis layout eight foot model simplified construction made cabin pronounced changed some curves suppose way models designed would con sidered original designing way thinking As matter record Carl made original Miss America after school hours part keep light side Bam boo papered two coats clear test flight took model Holmes airport powered brand-new no-run-in Baby Cyclone no place run city dont remember much time spent trying make Baby run would blurp after primed conk out first careful limit gas tank after did think about Just make Baby run Well finally caught good solid shoved model light breeze took off quite rapidly good steady climb waited Baby stop kept going going going tried keep up it no use could hardly see it disappeared over house As far can remember model gone although Carl wrote got back did did Carl have make another comply agreement dont remember having model looked like Miss America around shop may price quoted Scientific pro ject complete model working drawings $5000 sum made two models lost Baby Cy clone Carls time almost free cut balsa wood l2 per board foot time two small rooms $1600 per month food averaged 50 per dayso did feel victims cir cumstancesI hope will clear up origin Miss America Frank Zaic Northridge CA $50 payment Frank mentions princely sum compared what some othe-r designers accepted famous designer still us today received pair air wheels payment giantsized gassie Scotty Murray paid $3forone designs Long Short First some applause decision issue Model Aviation long over due admit remember hullabaloo created decision made time has shown time right enjoy Model viation very much reasons belong AMA Now some comment article scale models John D Preston January 1978 issue MA article informative enjoyable agree ideas exception Johns comments short tail moment arms Fokker Dreidekken Monocoupe Actually both aircraft have favorable tail moment arms meas ured wing chord lengths aft center gravity horizontal tail surface primary reasons 6 Model Aviation KING COBRA Engine Sizes Kit No 236 types aircraft have such horrible landing ground handling characteris tics very short nose moment arms addition tail draggers short nose moment arm causes engine have lesser effect landing ground handling control rotary engine powered radial engined powered aircraft share characteristic WW aircraft bag build British SE-S Notice nice long nose moment arm adequate dihedral ample tail surface area design can made fly well rubber powered free flight hope comments have added little help building flying scale model aircraft Roy D Strader South Bend IN Ground handling characteristics vary greatly according aircraft fea tures number mentioned Narrow tread oneon WW aircraft much cross-wind problem because takeoffs landings could made direction wind aerodromes of-the day An example ground handling variations related design can found eronca Chief Champ Scouta kind blend two Wheel landings Chief required good forward pressure tail would drop abruptly runway Champ made effortless wheel landings simply holding full back suck Scout ground looping demon Early free flighters used long forward gear protect props eventually moved gear back improve takeoffs Nosen Citabra read articles quarter scale models has fascinated reading So get model find out flew han dled air took three months assemble kit get ready test flight test flew 15 mph Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuff Line-Silicone-Is far strongest market- transparent shows bubbles line heat resis Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL LINEPRICEITEM FUEL LINEPUCE 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic21/2 Pkg.25 86881 Medium Neoprene2 Pkg.8086886 Mediam Clear Plantic2 Pkg.30 86882 Large Neoprene2 Pkg.7086887 Large Clear Plastic2 Ptg.40 86883 Small Tuft Line1 Pkg . 5586888 Small Surgical Tubing2 Pkg.50 86884 Mediam Taft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pbg10086890 Large Sargical Tabing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Two-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RE amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-PrOoucts Inc 779 EK-Products .- . il1978 7 Continued page 58 Openers continued page 4 house leave top wing flat tip tip just real built alter Super Uni versal enclosed cockpit like Vegaand no wing struts wonders did put struts full cantilever wing first place WW days German officialdom de manded struts D-7 Listen Did hear contact took chain two sometimes three men prop some big old-tim ers came whine inertia starter mechanic strained crank behind engine written came concrete runways Bendix Thank goodness able fly off sod before hap pened See what started Bill Noonan may heresy wince time hear cliche model ers greatestdifferent normal people smothered superlatives reading Ron VanPutte month youll find him excited about trends Half House Balsa kits various retracts little birds suddenly re marks What beautiful hobby really felt good sin cerely reminded Implicit Rons remark sense infinitely varied pleasures model ingif dont wear blinders taking plethora experi ences Yet us endlessly pursue narrow interests wrong nothing once week charge durable bird put few flights Sunday thing Letters Editor continued page 7 breeze results amazing model extremly stable realistic wrong feel merely tolerant other strange characters thing whether indoor model Peanut Dare say free flight de lightful complement RC talk sophisticated FAT power jobs Nordics Wakefields however reward ing guys love talk thinks like Midwest Sniffer Originally designed kitted Wally Jabberwock Gollywock Simmers 049 Sniffer delightful flying machines ever hit hobby shops Sniffer dates back forties flew kids flew Planes like thisand otherscan flown pas tures relatively small fields must put small radio security try free flight using control keep nearby Wed bet could flown scale speeds 02 joy build Simmers used airfoil Clark Y top RAF 32 bottomand flies glides like magic some adventurer scaled up homebuilt would fly well Corben etc Polyhedral Real planes have used itthe Barling low-wing thirties Jodel John Thorps superlative T-l 8 have built model old-timers youve probably noted nice soaring turns get ships like Buzzard Bombshell its tiphedral Youll get lift first good flight make remote control contrive adjustments make little model what want such stay small areayoull entranced doesnt have main thing get way alcohol guzzler since indeed beautiful hobby VanPutte said gourmet flight am using HP 61 14/4 prop works out real good fly ing weight 13 lbs takes 20 30 feet runway airborne have rudder ailerons coupled together using Y harness hooked radio makes lot easier fly order make large models fly handle like real should feed rudder ailerons making bank doing will get amazing re sults setup works out extremely well makes model realistic air model will 10-foot ioop roll fly inverted ease winter plan mounting camera cockpit taking pictures flight should interesting have flown smaller aircraft after flying large ones way go am enclosing two photos model Les Hesley Mason City IA First Last found story about Bill Dunn January 78 issue MA very interes ting indeed thing Id love know though does actually fly models builds much does incredible back ground help hinder him transi tion does Thats got another whole story find MA very intelligently writ ten conceived Roland Michaud Crestwood NJ Bill Dunn Replies Glad liked article Jack Aycock wrote about January issue might clear thing up articlethe 519 hours mentioned 519 combat hours total flying time 8484 hours As questions No fly model aircraft build am really just learning fly RC models stick trainers 11 RC aircraft Ive built flown experienced RC pilots Pikes Peak RC Club has crashedtail heavy Im slowly learning its done special biplane trainer designed has 68-in wing span 1400 sq in-wing area powered Fox Eagle 60 fully aerobatic flies like box-kite lands about 7 mph No mentioned Im ready fly Spitfire Thunderbolt yet day soon per haps next summer Ill give ago am present building Westland Whirlwind DeHavilland Tiger Moth Gloster Gladiator Travel Air 2000 Future projects include DeHavilland 4 Hawker Hurricane flying experience real mircraft course helps considerably flying RC aircraft However lot tricks trade RC flying still must learn especially reverse control model flying toward Its great deal different being cockpit real bird Continued page 83 58 Model Aviation Letters Editor continued page 58 course RC model can sorts aerobatics real aircrafi can do.. Size am writing say thanks excellent article About Size Bradford Powers appeared 1/78 edition magazine Mr Powers presented material clear interesting manner yet supplied enough background equations logic make article value practical application Please let us see articles author others subject model aerody namics David U Zwolak Cincinnati OH Dream Site am 30 members Cen tour Radio Club East Liverpool Ohio club has picked up about 8 new members last 6 months May no field fly wrote head Parks Ohio asked permission RC club use part vast 22000 acres Ohio Beaver Creek State Park Old mills ground flour water over 100 years ago rolling hills etc park manager former Navy carrier pilot escorted us about 5 miles gave us nice field about 25 acres fly put log chains across entrance told us keep locked up avoid pot parties trouble before got members keys pad lock have nice place fly 1 mile nearest house Edwin H Orr East Liverpool OH Well Ill what its worth may offer following Two years ago test flying Wakefield al tube no file put up down R/L thrust did have rudder tab Because aircraft power stalling thought well put some right tab rudder Wind came up same next Sunday Following Sunday full power flights some ground After considerable thought about titude model powering up through air realized Am flying RR rudder tab set right As aircraft rolled right vertical tail slowly became stab What does aircraft down elevatordive comments Ive recd very good modelers Well Ill Don Eggersperger Redondo Beach CA Fairchild Ranger/Sauger continued page 17 half throttle full flaps slow fly-by about ttle about 10-mph headwind close scale fly ing speed possible Full flaps recom mended landings except strong winds means power landing As indicated earlier model will stay ground through rollout very little down trim Time dismantle Remove eight 4-40 screws Reach inside cabin unhook servo quick-release pushrods Squeeze two finger tabs slide out wing time Total time about three minutes little effort con struction youll apppreciate aes thetic value clean fuselage have simpler task storing certainly wish everyone success building flying Fairchild especially may consider graduating Sport Scale AMA appreciation owners N77661 Tom Leonhardt Dick Buck Jud Gud hous cooperation documenting April 1978 83