Soaring Dan Pruss JUST about time think column happily covering corners Sail plane field letters come commenting some coveragesuch Im three-channel sport flier write item about F3B youll never see loved ones again worse yet Ill tell everyone daughter MonoKotes models contrast however other let ters reflect attitude Im two-channel flier flys fun ly warm Saturday afternoons Keep reporting hi-tech stuff really like seeing what guys other side tracks up Well folks youre either above camps somewhere between couple subjects month might have foiled again first subject has model mentioned AMA Nats report back November issue refer Helmut Lelkes Heidi TwoMeter bird led competitors two categories out three up until last day Helmut finally finished respectable second third fourth Unlimited Two-Meter Standard classes Remember accom plished flying Two-Meter ship Oh yes control functions ailerons flaps flying stab no rudderjust fixed vertical fin Helniuts design something first glance looks though de signed Picasso curved lines fuselage pod wing has Eppler 205 airfoil has no dihedral has perfectly rectangular planform does flying stab unusuallyhigh-aspect-ratio vertical fin As can seen photo flying sur faces intersect other What cant seen flying stab mount yoke-type arrangement sets stab about inch above fuselage boom yoke also has pivoting feature makes stab controllable Construction quite basic thats thing usual about model ends What did set bird aside rest nearly 300 Sailplanes autopilot specific electrostatic autopilot type Maynard Hill colleagues Applied Physics Labora tory Johns Hopkins University came up back early Seventies Its worth mentioning Maynard Hill set altitude record 3680 feet gliders back 1966 Along record also introduced system launching Sailplanes winchand winch design pretty much know today used Ford long-shaft starter motor mounted box shaft running outside accommodate drum launch line back autopilot really sensing device has no moving parts such gyroscopes also makes device very light very inexpensive works measuring voltagesor accurately voltage dif ferences earths atmosphere can picture earth its atmosphere gigantic condenser youll get idea little gem works earth shrouded voltage layers something like onion its layers Now can get measuring device sensitive enough measure voltage difference between layers circuit could devised would take difference case voltages tell servo pitch nose up down level wing Sound farfetched Thats precisely what Helmut Lelkes autopilot did windiest weather during Nats 52 Model Aviation Helmut Lelkes Two-Meter Sailplane may look like Ugly Stik Soaringbut its corn petitive terror plane leading three Searing classes 85 N ats until last day ended up 2nd 3rd 4th places Craft uses fixed rudder has controllable flaps ailerons stabilizer Note wing flatno dihedral Photo below shows truly unique feature plane two-axis pitch roll electrostatic autopilot type developed Maynard Hill Seventies Autopilot has no moving parts stabilizes model no servo commands being received tranemitterlpilot Dan has lots say about planeand way flown Natsin column Now have eyebrow raised because its hard believe TwoMeter model say 300 bank can measure difference voltage layers earths atmosphere between models high wing low wing trust Maynard Helmut several dozen other modelers around country have used system works case Helmuts model three sensors used near wingtip rear tail boom triangle circuit being wired aileron elevator servos controlled pitch roll Transmitter commands override autopilot soon command neutralized autopilot takes over Continued page 142 NINTH ANNUAL Iii] [v32]Uf1 *1 [1221 JANUARY 11 & 12 1986 Saturday 10AM -6 PM Sunday 1OAM-5PM SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT L ENGINES MODEL BOATS O CONTROL SYSTEMS *GIANT RAFFLE L CARS MODELING ACCESSORIES*SWAP SHOP ADMISSION Adults-$5OO under 13-$300 under 6- free adult Discount tickets worth 50 cents hobby shops within 500-mile radius Pasadena California lEST ii WEST STATIC DISPLAY COMPETITION IN MANY CATEGORIES -14 IL 1iJ U &fA~I ilil fi 2 i g Ik iOISJW1 injILi IE ISI1 US] 1 U f1 LSiI January 198653 Gene Does Virginia Beach VA never has trouble telling dilplane hes flying several same time Icarosaur spans 26 meters weighs 514 lb files very well three RC channels photo left wife Lillian holds up can get better look Photographic distortion near wing makes look like theres no taper Controls flaps elevons winglets unplug wing tips ease transport Launches require piloting skill BW Ti- - OVERSEAS EXHIBITORS CORD/ALL Y IN VI TED INTERNATIONAL MODELER SHOW OFFICE PO Box 10127 Costa Mesa CA 92627 Ph 714 548-4700 645-8830 proficiency exhibited Masters Tournament competitors ability make airplanes fly though wind wasnt blowing dont really care whether wind conditions within FAL limits blowing pretty stiff way kidding aside t think best deals century struck John Worth agreed leave NASAs Langley Research Center AMA Executive Director Periodically reproduce items RC club newsletters months contribu tion came Kansas City Radio Control Associations newsletter Contacts edited Charlie Reed item announcement cancelled FunFly event Expert class will sad hear have deleted traditionally exciting breathtaking event event deleted flown follows Take off climb minimum 300 ft altitude dive straight down full bore brightly-painted 55-gallon drum center runway pilot fewest parts airplane outside drum winner event cancelled due declining par ticipation last few years Gee wonder Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 its back straight level flight thats autopilot set Back 1972 Maynard demonstrated unit slopes Cumberland dur ing annual fun-fly Rolling inverted plane righted itself transmit ter sticks released Same results tight spiral First wings leveled nose came up back level flight did Lelke well Nats Well during days wind blewand blow didhis flights pure poetry Off tow would turn downwinda move faint heart avoidedand head tree line acting mini slope Parking bird autopilot took over kept bird wind about six minutes time approach would started landing What value would such unit real thermal contest can specu lated cross-country straightline flying think question has answered Oh yes entire unit built under $25 parts can pur chased Radio Shack outlet Besides Maynards article Flying Models another source information YS ENGINES HATORI HEADERS TETTRA HARDWARE ATLANTA- OMEGA SEE YOUR LOCAL DEALER SEND $1 FOR CATALOG $6 FOR HEADER POSTER GOLDEN GATE HOBSIES POBox 123 San Bruno CA 94066 TEL 415 952-3045 November 1972 issue Astronau tics Aeronautics Volume X Number 1 should available techni cal libraries circuit has improved upon since anyone would like copy original circuit send SASE address end column Back May 1984 issue Model Aviation column featured flying wing could built data provided Plans could easily drawn some same data quite few took up challenge bird called Elfe gent took up challenge Gene Dees Virginia Beach VA Well Gene got far laying out 200 sweep wing its span 26 meters Gene own ideas Rather use foam wing case Elfe Gene decided builtup version sizes control sur faces changed airfoil arrangement center wing out flap Eppler 174 used point tip 174 transi tions Eppler 184 An interesting side note Gene built up wing can somewhat challenge flat work surface wing varying airfoil wingtips washed out 50 Continued page 144 142 Model Aviation RC Soaring/Pruss Continued page 53 CARBIDE SCRIBER 499 HARRY HIGLEY 8 80N8 INC PO BOX 532 GLENwOOD ILL 60425 OUAIItA-SCALE PZL P-23A KARAS Polmnh recon l1ghl bomber 99 span ilhree-eCe plug-en mng channel opeStiOfl Full-size plans S35 00 onaid rI US Consirulion manual included LARRY GORDON 2460 GOLDEN SHORES CT FENTON MICH 48430 313 6295788 New Breed test weight haad start rady-to-mount engines ow market Smoke SystemSI 995 Holiday Special 31 - $27500* 34 $34500 37-$35500 42 - $37500 flvwbsd er else ii AR Eughes Csamplste NslMq btrin 34 ur 21 wlflywheel31 weIectrIc Iwihioeflywheel IgnitIon37 wlslectric Ignition BlbeZoz-5%HPUlbe2oz-6NP 5Ibs4oz-61&HP Fsawew Ugheast weight Sschs customized newest Gecinan enginus ler t ting Dolts sure Tsp etor Ignition 46 V Ignition Psck ty Switch lt Hub stor Speck Plugs s Wsrenty Psulty Pacts snd Woritmenstop isbis option Aaaionsllc spsclc udvence IUU1 TO 111g 857 High Mountain Rd North Haiedon NJ 07508 e *01427-3845 Building panel isnt big challenge making identical opposite half familiar name RC Soaringand flying buddy GenesBob Champine suggested foam wingactually lower halfbe cut Genes s new wing specifications lower half used bed upon built-up wing framed out sounds like sure way highly undercambered airfoils such some Wortmann sections Three channels control elevons flaps mixing elevons being done transmitter Genes report came after about 50 flights logged assistance another old flying buddy Herk Stokely Reports claim wing thermal soars best little Up flap cranked wings speed has got seen believed As might guessed plane highly maneuverable no pitching quirks during speed ex tremes found some flying wings Some Specs Icarosaur Genes name new birdare WeightSA pounds Chord bat-tail 21 inches Chord tipnine inches Winglets five inches roots three inches tips Airfoil section winglets Eppler 220 turbulated both sides unplug wing easier transporting Elevons 29 x 4 inches flaps 14 x 4 inches positionable -10 80g Gene claims can slow bird down crawl comes time land also suggests isnt plane beginners fly mainly because launching takes utmost attention building snap However once does have little stick time wing docile pure joy fly youre gaggle about dozen others no question bird yours Now whole club decides build might different story Good lift Dan Pnss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Electrics/Kopski Continued page 55 flight Sunday John flew Spectra 4850 also set new internal KRC flight-time record lot duration flying weekend real show-stopper personality planes piloting Keith Shaw Ann Arbor MI Keith last year went home awards including couple dozen 12 Ah Sanyo cells year Keith brought backwrapped 7 /2-pound package shaped exactly like 88-in deHavilland Comet DH-88 Twin Keller 25/12s turning Rev-Up 9 x 7 props pulled A-scale masterpiece 1985 Toledo Best MonoKote winner through Hatfield skies silent captivated stare hun dreds crowded field throughout weekend flight retract-equipped Electric smoothly-flowing sym phony graceful end-to-end maneuvers Continued page 150 ATT-CHEKiY ON-Board Battery Tester Saves Time. Saves Models BAiTCHEK RX-1 $1495 ein USA NW Install RO Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 1914462-6452 PO Box 1808 Poughkeepaie NY 12601 144 Model Aviation 42 wfsiso Ig NEW U Dos -7 HP 0 CHAMPION FF KITS Wake-Up Wakefield $4495e Champion Coupe $2596 Upshot Mulvihill 450 Champion Rubber 1/83/16 & 1/4 widths 042 thick $11 96/lb box CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 Includes us delivery via uPs s add 6% tax
Edition: Model Aviation - 1986/01
Page Numbers: 52, 53, 142, 144
Soaring Dan Pruss JUST about time think column happily covering corners Sail plane field letters come commenting some coveragesuch Im three-channel sport flier write item about F3B youll never see loved ones again worse yet Ill tell everyone daughter MonoKotes models contrast however other let ters reflect attitude Im two-channel flier flys fun ly warm Saturday afternoons Keep reporting hi-tech stuff really like seeing what guys other side tracks up Well folks youre either above camps somewhere between couple subjects month might have foiled again first subject has model mentioned AMA Nats report back November issue refer Helmut Lelkes Heidi TwoMeter bird led competitors two categories out three up until last day Helmut finally finished respectable second third fourth Unlimited Two-Meter Standard classes Remember accom plished flying Two-Meter ship Oh yes control functions ailerons flaps flying stab no rudderjust fixed vertical fin Helniuts design something first glance looks though de signed Picasso curved lines fuselage pod wing has Eppler 205 airfoil has no dihedral has perfectly rectangular planform does flying stab unusuallyhigh-aspect-ratio vertical fin As can seen photo flying sur faces intersect other What cant seen flying stab mount yoke-type arrangement sets stab about inch above fuselage boom yoke also has pivoting feature makes stab controllable Construction quite basic thats thing usual about model ends What did set bird aside rest nearly 300 Sailplanes autopilot specific electrostatic autopilot type Maynard Hill colleagues Applied Physics Labora tory Johns Hopkins University came up back early Seventies Its worth mentioning Maynard Hill set altitude record 3680 feet gliders back 1966 Along record also introduced system launching Sailplanes winchand winch design pretty much know today used Ford long-shaft starter motor mounted box shaft running outside accommodate drum launch line back autopilot really sensing device has no moving parts such gyroscopes also makes device very light very inexpensive works measuring voltagesor accurately voltage dif ferences earths atmosphere can picture earth its atmosphere gigantic condenser youll get idea little gem works earth shrouded voltage layers something like onion its layers Now can get measuring device sensitive enough measure voltage difference between layers circuit could devised would take difference case voltages tell servo pitch nose up down level wing Sound farfetched Thats precisely what Helmut Lelkes autopilot did windiest weather during Nats 52 Model Aviation Helmut Lelkes Two-Meter Sailplane may look like Ugly Stik Soaringbut its corn petitive terror plane leading three Searing classes 85 N ats until last day ended up 2nd 3rd 4th places Craft uses fixed rudder has controllable flaps ailerons stabilizer Note wing flatno dihedral Photo below shows truly unique feature plane two-axis pitch roll electrostatic autopilot type developed Maynard Hill Seventies Autopilot has no moving parts stabilizes model no servo commands being received tranemitterlpilot Dan has lots say about planeand way flown Natsin column Now have eyebrow raised because its hard believe TwoMeter model say 300 bank can measure difference voltage layers earths atmosphere between models high wing low wing trust Maynard Helmut several dozen other modelers around country have used system works case Helmuts model three sensors used near wingtip rear tail boom triangle circuit being wired aileron elevator servos controlled pitch roll Transmitter commands override autopilot soon command neutralized autopilot takes over Continued page 142 NINTH ANNUAL Iii] [v32]Uf1 *1 [1221 JANUARY 11 & 12 1986 Saturday 10AM -6 PM Sunday 1OAM-5PM SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT L ENGINES MODEL BOATS O CONTROL SYSTEMS *GIANT RAFFLE L CARS MODELING ACCESSORIES*SWAP SHOP ADMISSION Adults-$5OO under 13-$300 under 6- free adult Discount tickets worth 50 cents hobby shops within 500-mile radius Pasadena California lEST ii WEST STATIC DISPLAY COMPETITION IN MANY CATEGORIES -14 IL 1iJ U &fA~I ilil fi 2 i g Ik iOISJW1 injILi IE ISI1 US] 1 U f1 LSiI January 198653 Gene Does Virginia Beach VA never has trouble telling dilplane hes flying several same time Icarosaur spans 26 meters weighs 514 lb files very well three RC channels photo left wife Lillian holds up can get better look Photographic distortion near wing makes look like theres no taper Controls flaps elevons winglets unplug wing tips ease transport Launches require piloting skill BW Ti- - OVERSEAS EXHIBITORS CORD/ALL Y IN VI TED INTERNATIONAL MODELER SHOW OFFICE PO Box 10127 Costa Mesa CA 92627 Ph 714 548-4700 645-8830 proficiency exhibited Masters Tournament competitors ability make airplanes fly though wind wasnt blowing dont really care whether wind conditions within FAL limits blowing pretty stiff way kidding aside t think best deals century struck John Worth agreed leave NASAs Langley Research Center AMA Executive Director Periodically reproduce items RC club newsletters months contribu tion came Kansas City Radio Control Associations newsletter Contacts edited Charlie Reed item announcement cancelled FunFly event Expert class will sad hear have deleted traditionally exciting breathtaking event event deleted flown follows Take off climb minimum 300 ft altitude dive straight down full bore brightly-painted 55-gallon drum center runway pilot fewest parts airplane outside drum winner event cancelled due declining par ticipation last few years Gee wonder Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 its back straight level flight thats autopilot set Back 1972 Maynard demonstrated unit slopes Cumberland dur ing annual fun-fly Rolling inverted plane righted itself transmit ter sticks released Same results tight spiral First wings leveled nose came up back level flight did Lelke well Nats Well during days wind blewand blow didhis flights pure poetry Off tow would turn downwinda move faint heart avoidedand head tree line acting mini slope Parking bird autopilot took over kept bird wind about six minutes time approach would started landing What value would such unit real thermal contest can specu lated cross-country straightline flying think question has answered Oh yes entire unit built under $25 parts can pur chased Radio Shack outlet Besides Maynards article Flying Models another source information YS ENGINES HATORI HEADERS TETTRA HARDWARE ATLANTA- OMEGA SEE YOUR LOCAL DEALER SEND $1 FOR CATALOG $6 FOR HEADER POSTER GOLDEN GATE HOBSIES POBox 123 San Bruno CA 94066 TEL 415 952-3045 November 1972 issue Astronau tics Aeronautics Volume X Number 1 should available techni cal libraries circuit has improved upon since anyone would like copy original circuit send SASE address end column Back May 1984 issue Model Aviation column featured flying wing could built data provided Plans could easily drawn some same data quite few took up challenge bird called Elfe gent took up challenge Gene Dees Virginia Beach VA Well Gene got far laying out 200 sweep wing its span 26 meters Gene own ideas Rather use foam wing case Elfe Gene decided builtup version sizes control sur faces changed airfoil arrangement center wing out flap Eppler 174 used point tip 174 transi tions Eppler 184 An interesting side note Gene built up wing can somewhat challenge flat work surface wing varying airfoil wingtips washed out 50 Continued page 144 142 Model Aviation RC Soaring/Pruss Continued page 53 CARBIDE SCRIBER 499 HARRY HIGLEY 8 80N8 INC PO BOX 532 GLENwOOD ILL 60425 OUAIItA-SCALE PZL P-23A KARAS Polmnh recon l1ghl bomber 99 span ilhree-eCe plug-en mng channel opeStiOfl Full-size plans S35 00 onaid rI US Consirulion manual included LARRY GORDON 2460 GOLDEN SHORES CT FENTON MICH 48430 313 6295788 New Breed test weight haad start rady-to-mount engines ow market Smoke SystemSI 995 Holiday Special 31 - $27500* 34 $34500 37-$35500 42 - $37500 flvwbsd er else ii AR Eughes Csamplste NslMq btrin 34 ur 21 wlflywheel31 weIectrIc Iwihioeflywheel IgnitIon37 wlslectric Ignition BlbeZoz-5%HPUlbe2oz-6NP 5Ibs4oz-61&HP Fsawew Ugheast weight Sschs customized newest Gecinan enginus ler t ting Dolts sure Tsp etor Ignition 46 V Ignition Psck ty Switch lt Hub stor Speck Plugs s Wsrenty Psulty Pacts snd Woritmenstop isbis option Aaaionsllc spsclc udvence IUU1 TO 111g 857 High Mountain Rd North Haiedon NJ 07508 e *01427-3845 Building panel isnt big challenge making identical opposite half familiar name RC Soaringand flying buddy GenesBob Champine suggested foam wingactually lower halfbe cut Genes s new wing specifications lower half used bed upon built-up wing framed out sounds like sure way highly undercambered airfoils such some Wortmann sections Three channels control elevons flaps mixing elevons being done transmitter Genes report came after about 50 flights logged assistance another old flying buddy Herk Stokely Reports claim wing thermal soars best little Up flap cranked wings speed has got seen believed As might guessed plane highly maneuverable no pitching quirks during speed ex tremes found some flying wings Some Specs Icarosaur Genes name new birdare WeightSA pounds Chord bat-tail 21 inches Chord tipnine inches Winglets five inches roots three inches tips Airfoil section winglets Eppler 220 turbulated both sides unplug wing easier transporting Elevons 29 x 4 inches flaps 14 x 4 inches positionable -10 80g Gene claims can slow bird down crawl comes time land also suggests isnt plane beginners fly mainly because launching takes utmost attention building snap However once does have little stick time wing docile pure joy fly youre gaggle about dozen others no question bird yours Now whole club decides build might different story Good lift Dan Pnss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Electrics/Kopski Continued page 55 flight Sunday John flew Spectra 4850 also set new internal KRC flight-time record lot duration flying weekend real show-stopper personality planes piloting Keith Shaw Ann Arbor MI Keith last year went home awards including couple dozen 12 Ah Sanyo cells year Keith brought backwrapped 7 /2-pound package shaped exactly like 88-in deHavilland Comet DH-88 Twin Keller 25/12s turning Rev-Up 9 x 7 props pulled A-scale masterpiece 1985 Toledo Best MonoKote winner through Hatfield skies silent captivated stare hun dreds crowded field throughout weekend flight retract-equipped Electric smoothly-flowing sym phony graceful end-to-end maneuvers Continued page 150 ATT-CHEKiY ON-Board Battery Tester Saves Time. Saves Models BAiTCHEK RX-1 $1495 ein USA NW Install RO Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 1914462-6452 PO Box 1808 Poughkeepaie NY 12601 144 Model Aviation 42 wfsiso Ig NEW U Dos -7 HP 0 CHAMPION FF KITS Wake-Up Wakefield $4495e Champion Coupe $2596 Upshot Mulvihill 450 Champion Rubber 1/83/16 & 1/4 widths 042 thick $11 96/lb box CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 Includes us delivery via uPs s add 6% tax
Edition: Model Aviation - 1986/01
Page Numbers: 52, 53, 142, 144
Soaring Dan Pruss JUST about time think column happily covering corners Sail plane field letters come commenting some coveragesuch Im three-channel sport flier write item about F3B youll never see loved ones again worse yet Ill tell everyone daughter MonoKotes models contrast however other let ters reflect attitude Im two-channel flier flys fun ly warm Saturday afternoons Keep reporting hi-tech stuff really like seeing what guys other side tracks up Well folks youre either above camps somewhere between couple subjects month might have foiled again first subject has model mentioned AMA Nats report back November issue refer Helmut Lelkes Heidi TwoMeter bird led competitors two categories out three up until last day Helmut finally finished respectable second third fourth Unlimited Two-Meter Standard classes Remember accom plished flying Two-Meter ship Oh yes control functions ailerons flaps flying stab no rudderjust fixed vertical fin Helniuts design something first glance looks though de signed Picasso curved lines fuselage pod wing has Eppler 205 airfoil has no dihedral has perfectly rectangular planform does flying stab unusuallyhigh-aspect-ratio vertical fin As can seen photo flying sur faces intersect other What cant seen flying stab mount yoke-type arrangement sets stab about inch above fuselage boom yoke also has pivoting feature makes stab controllable Construction quite basic thats thing usual about model ends What did set bird aside rest nearly 300 Sailplanes autopilot specific electrostatic autopilot type Maynard Hill colleagues Applied Physics Labora tory Johns Hopkins University came up back early Seventies Its worth mentioning Maynard Hill set altitude record 3680 feet gliders back 1966 Along record also introduced system launching Sailplanes winchand winch design pretty much know today used Ford long-shaft starter motor mounted box shaft running outside accommodate drum launch line back autopilot really sensing device has no moving parts such gyroscopes also makes device very light very inexpensive works measuring voltagesor accurately voltage dif ferences earths atmosphere can picture earth its atmosphere gigantic condenser youll get idea little gem works earth shrouded voltage layers something like onion its layers Now can get measuring device sensitive enough measure voltage difference between layers circuit could devised would take difference case voltages tell servo pitch nose up down level wing Sound farfetched Thats precisely what Helmut Lelkes autopilot did windiest weather during Nats 52 Model Aviation Helmut Lelkes Two-Meter Sailplane may look like Ugly Stik Soaringbut its corn petitive terror plane leading three Searing classes 85 N ats until last day ended up 2nd 3rd 4th places Craft uses fixed rudder has controllable flaps ailerons stabilizer Note wing flatno dihedral Photo below shows truly unique feature plane two-axis pitch roll electrostatic autopilot type developed Maynard Hill Seventies Autopilot has no moving parts stabilizes model no servo commands being received tranemitterlpilot Dan has lots say about planeand way flown Natsin column Now have eyebrow raised because its hard believe TwoMeter model say 300 bank can measure difference voltage layers earths atmosphere between models high wing low wing trust Maynard Helmut several dozen other modelers around country have used system works case Helmuts model three sensors used near wingtip rear tail boom triangle circuit being wired aileron elevator servos controlled pitch roll Transmitter commands override autopilot soon command neutralized autopilot takes over Continued page 142 NINTH ANNUAL Iii] [v32]Uf1 *1 [1221 JANUARY 11 & 12 1986 Saturday 10AM -6 PM Sunday 1OAM-5PM SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT L ENGINES MODEL BOATS O CONTROL SYSTEMS *GIANT RAFFLE L CARS MODELING ACCESSORIES*SWAP SHOP ADMISSION Adults-$5OO under 13-$300 under 6- free adult Discount tickets worth 50 cents hobby shops within 500-mile radius Pasadena California lEST ii WEST STATIC DISPLAY COMPETITION IN MANY CATEGORIES -14 IL 1iJ U &fA~I ilil fi 2 i g Ik iOISJW1 injILi IE ISI1 US] 1 U f1 LSiI January 198653 Gene Does Virginia Beach VA never has trouble telling dilplane hes flying several same time Icarosaur spans 26 meters weighs 514 lb files very well three RC channels photo left wife Lillian holds up can get better look Photographic distortion near wing makes look like theres no taper Controls flaps elevons winglets unplug wing tips ease transport Launches require piloting skill BW Ti- - OVERSEAS EXHIBITORS CORD/ALL Y IN VI TED INTERNATIONAL MODELER SHOW OFFICE PO Box 10127 Costa Mesa CA 92627 Ph 714 548-4700 645-8830 proficiency exhibited Masters Tournament competitors ability make airplanes fly though wind wasnt blowing dont really care whether wind conditions within FAL limits blowing pretty stiff way kidding aside t think best deals century struck John Worth agreed leave NASAs Langley Research Center AMA Executive Director Periodically reproduce items RC club newsletters months contribu tion came Kansas City Radio Control Associations newsletter Contacts edited Charlie Reed item announcement cancelled FunFly event Expert class will sad hear have deleted traditionally exciting breathtaking event event deleted flown follows Take off climb minimum 300 ft altitude dive straight down full bore brightly-painted 55-gallon drum center runway pilot fewest parts airplane outside drum winner event cancelled due declining par ticipation last few years Gee wonder Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 its back straight level flight thats autopilot set Back 1972 Maynard demonstrated unit slopes Cumberland dur ing annual fun-fly Rolling inverted plane righted itself transmit ter sticks released Same results tight spiral First wings leveled nose came up back level flight did Lelke well Nats Well during days wind blewand blow didhis flights pure poetry Off tow would turn downwinda move faint heart avoidedand head tree line acting mini slope Parking bird autopilot took over kept bird wind about six minutes time approach would started landing What value would such unit real thermal contest can specu lated cross-country straightline flying think question has answered Oh yes entire unit built under $25 parts can pur chased Radio Shack outlet Besides Maynards article Flying Models another source information YS ENGINES HATORI HEADERS TETTRA HARDWARE ATLANTA- OMEGA SEE YOUR LOCAL DEALER SEND $1 FOR CATALOG $6 FOR HEADER POSTER GOLDEN GATE HOBSIES POBox 123 San Bruno CA 94066 TEL 415 952-3045 November 1972 issue Astronau tics Aeronautics Volume X Number 1 should available techni cal libraries circuit has improved upon since anyone would like copy original circuit send SASE address end column Back May 1984 issue Model Aviation column featured flying wing could built data provided Plans could easily drawn some same data quite few took up challenge bird called Elfe gent took up challenge Gene Dees Virginia Beach VA Well Gene got far laying out 200 sweep wing its span 26 meters Gene own ideas Rather use foam wing case Elfe Gene decided builtup version sizes control sur faces changed airfoil arrangement center wing out flap Eppler 174 used point tip 174 transi tions Eppler 184 An interesting side note Gene built up wing can somewhat challenge flat work surface wing varying airfoil wingtips washed out 50 Continued page 144 142 Model Aviation RC Soaring/Pruss Continued page 53 CARBIDE SCRIBER 499 HARRY HIGLEY 8 80N8 INC PO BOX 532 GLENwOOD ILL 60425 OUAIItA-SCALE PZL P-23A KARAS Polmnh recon l1ghl bomber 99 span ilhree-eCe plug-en mng channel opeStiOfl Full-size plans S35 00 onaid rI US Consirulion manual included LARRY GORDON 2460 GOLDEN SHORES CT FENTON MICH 48430 313 6295788 New Breed test weight haad start rady-to-mount engines ow market Smoke SystemSI 995 Holiday Special 31 - $27500* 34 $34500 37-$35500 42 - $37500 flvwbsd er else ii AR Eughes Csamplste NslMq btrin 34 ur 21 wlflywheel31 weIectrIc Iwihioeflywheel IgnitIon37 wlslectric Ignition BlbeZoz-5%HPUlbe2oz-6NP 5Ibs4oz-61&HP Fsawew Ugheast weight Sschs customized newest Gecinan enginus ler t ting Dolts sure Tsp etor Ignition 46 V Ignition Psck ty Switch lt Hub stor Speck Plugs s Wsrenty Psulty Pacts snd Woritmenstop isbis option Aaaionsllc spsclc udvence IUU1 TO 111g 857 High Mountain Rd North Haiedon NJ 07508 e *01427-3845 Building panel isnt big challenge making identical opposite half familiar name RC Soaringand flying buddy GenesBob Champine suggested foam wingactually lower halfbe cut Genes s new wing specifications lower half used bed upon built-up wing framed out sounds like sure way highly undercambered airfoils such some Wortmann sections Three channels control elevons flaps mixing elevons being done transmitter Genes report came after about 50 flights logged assistance another old flying buddy Herk Stokely Reports claim wing thermal soars best little Up flap cranked wings speed has got seen believed As might guessed plane highly maneuverable no pitching quirks during speed ex tremes found some flying wings Some Specs Icarosaur Genes name new birdare WeightSA pounds Chord bat-tail 21 inches Chord tipnine inches Winglets five inches roots three inches tips Airfoil section winglets Eppler 220 turbulated both sides unplug wing easier transporting Elevons 29 x 4 inches flaps 14 x 4 inches positionable -10 80g Gene claims can slow bird down crawl comes time land also suggests isnt plane beginners fly mainly because launching takes utmost attention building snap However once does have little stick time wing docile pure joy fly youre gaggle about dozen others no question bird yours Now whole club decides build might different story Good lift Dan Pnss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Electrics/Kopski Continued page 55 flight Sunday John flew Spectra 4850 also set new internal KRC flight-time record lot duration flying weekend real show-stopper personality planes piloting Keith Shaw Ann Arbor MI Keith last year went home awards including couple dozen 12 Ah Sanyo cells year Keith brought backwrapped 7 /2-pound package shaped exactly like 88-in deHavilland Comet DH-88 Twin Keller 25/12s turning Rev-Up 9 x 7 props pulled A-scale masterpiece 1985 Toledo Best MonoKote winner through Hatfield skies silent captivated stare hun dreds crowded field throughout weekend flight retract-equipped Electric smoothly-flowing sym phony graceful end-to-end maneuvers Continued page 150 ATT-CHEKiY ON-Board Battery Tester Saves Time. Saves Models BAiTCHEK RX-1 $1495 ein USA NW Install RO Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 1914462-6452 PO Box 1808 Poughkeepaie NY 12601 144 Model Aviation 42 wfsiso Ig NEW U Dos -7 HP 0 CHAMPION FF KITS Wake-Up Wakefield $4495e Champion Coupe $2596 Upshot Mulvihill 450 Champion Rubber 1/83/16 & 1/4 widths 042 thick $11 96/lb box CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 Includes us delivery via uPs s add 6% tax
Edition: Model Aviation - 1986/01
Page Numbers: 52, 53, 142, 144
Soaring Dan Pruss JUST about time think column happily covering corners Sail plane field letters come commenting some coveragesuch Im three-channel sport flier write item about F3B youll never see loved ones again worse yet Ill tell everyone daughter MonoKotes models contrast however other let ters reflect attitude Im two-channel flier flys fun ly warm Saturday afternoons Keep reporting hi-tech stuff really like seeing what guys other side tracks up Well folks youre either above camps somewhere between couple subjects month might have foiled again first subject has model mentioned AMA Nats report back November issue refer Helmut Lelkes Heidi TwoMeter bird led competitors two categories out three up until last day Helmut finally finished respectable second third fourth Unlimited Two-Meter Standard classes Remember accom plished flying Two-Meter ship Oh yes control functions ailerons flaps flying stab no rudderjust fixed vertical fin Helniuts design something first glance looks though de signed Picasso curved lines fuselage pod wing has Eppler 205 airfoil has no dihedral has perfectly rectangular planform does flying stab unusuallyhigh-aspect-ratio vertical fin As can seen photo flying sur faces intersect other What cant seen flying stab mount yoke-type arrangement sets stab about inch above fuselage boom yoke also has pivoting feature makes stab controllable Construction quite basic thats thing usual about model ends What did set bird aside rest nearly 300 Sailplanes autopilot specific electrostatic autopilot type Maynard Hill colleagues Applied Physics Labora tory Johns Hopkins University came up back early Seventies Its worth mentioning Maynard Hill set altitude record 3680 feet gliders back 1966 Along record also introduced system launching Sailplanes winchand winch design pretty much know today used Ford long-shaft starter motor mounted box shaft running outside accommodate drum launch line back autopilot really sensing device has no moving parts such gyroscopes also makes device very light very inexpensive works measuring voltagesor accurately voltage dif ferences earths atmosphere can picture earth its atmosphere gigantic condenser youll get idea little gem works earth shrouded voltage layers something like onion its layers Now can get measuring device sensitive enough measure voltage difference between layers circuit could devised would take difference case voltages tell servo pitch nose up down level wing Sound farfetched Thats precisely what Helmut Lelkes autopilot did windiest weather during Nats 52 Model Aviation Helmut Lelkes Two-Meter Sailplane may look like Ugly Stik Soaringbut its corn petitive terror plane leading three Searing classes 85 N ats until last day ended up 2nd 3rd 4th places Craft uses fixed rudder has controllable flaps ailerons stabilizer Note wing flatno dihedral Photo below shows truly unique feature plane two-axis pitch roll electrostatic autopilot type developed Maynard Hill Seventies Autopilot has no moving parts stabilizes model no servo commands being received tranemitterlpilot Dan has lots say about planeand way flown Natsin column Now have eyebrow raised because its hard believe TwoMeter model say 300 bank can measure difference voltage layers earths atmosphere between models high wing low wing trust Maynard Helmut several dozen other modelers around country have used system works case Helmuts model three sensors used near wingtip rear tail boom triangle circuit being wired aileron elevator servos controlled pitch roll Transmitter commands override autopilot soon command neutralized autopilot takes over Continued page 142 NINTH ANNUAL Iii] [v32]Uf1 *1 [1221 JANUARY 11 & 12 1986 Saturday 10AM -6 PM Sunday 1OAM-5PM SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT L ENGINES MODEL BOATS O CONTROL SYSTEMS *GIANT RAFFLE L CARS MODELING ACCESSORIES*SWAP SHOP ADMISSION Adults-$5OO under 13-$300 under 6- free adult Discount tickets worth 50 cents hobby shops within 500-mile radius Pasadena California lEST ii WEST STATIC DISPLAY COMPETITION IN MANY CATEGORIES -14 IL 1iJ U &fA~I ilil fi 2 i g Ik iOISJW1 injILi IE ISI1 US] 1 U f1 LSiI January 198653 Gene Does Virginia Beach VA never has trouble telling dilplane hes flying several same time Icarosaur spans 26 meters weighs 514 lb files very well three RC channels photo left wife Lillian holds up can get better look Photographic distortion near wing makes look like theres no taper Controls flaps elevons winglets unplug wing tips ease transport Launches require piloting skill BW Ti- - OVERSEAS EXHIBITORS CORD/ALL Y IN VI TED INTERNATIONAL MODELER SHOW OFFICE PO Box 10127 Costa Mesa CA 92627 Ph 714 548-4700 645-8830 proficiency exhibited Masters Tournament competitors ability make airplanes fly though wind wasnt blowing dont really care whether wind conditions within FAL limits blowing pretty stiff way kidding aside t think best deals century struck John Worth agreed leave NASAs Langley Research Center AMA Executive Director Periodically reproduce items RC club newsletters months contribu tion came Kansas City Radio Control Associations newsletter Contacts edited Charlie Reed item announcement cancelled FunFly event Expert class will sad hear have deleted traditionally exciting breathtaking event event deleted flown follows Take off climb minimum 300 ft altitude dive straight down full bore brightly-painted 55-gallon drum center runway pilot fewest parts airplane outside drum winner event cancelled due declining par ticipation last few years Gee wonder Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 its back straight level flight thats autopilot set Back 1972 Maynard demonstrated unit slopes Cumberland dur ing annual fun-fly Rolling inverted plane righted itself transmit ter sticks released Same results tight spiral First wings leveled nose came up back level flight did Lelke well Nats Well during days wind blewand blow didhis flights pure poetry Off tow would turn downwinda move faint heart avoidedand head tree line acting mini slope Parking bird autopilot took over kept bird wind about six minutes time approach would started landing What value would such unit real thermal contest can specu lated cross-country straightline flying think question has answered Oh yes entire unit built under $25 parts can pur chased Radio Shack outlet Besides Maynards article Flying Models another source information YS ENGINES HATORI HEADERS TETTRA HARDWARE ATLANTA- OMEGA SEE YOUR LOCAL DEALER SEND $1 FOR CATALOG $6 FOR HEADER POSTER GOLDEN GATE HOBSIES POBox 123 San Bruno CA 94066 TEL 415 952-3045 November 1972 issue Astronau tics Aeronautics Volume X Number 1 should available techni cal libraries circuit has improved upon since anyone would like copy original circuit send SASE address end column Back May 1984 issue Model Aviation column featured flying wing could built data provided Plans could easily drawn some same data quite few took up challenge bird called Elfe gent took up challenge Gene Dees Virginia Beach VA Well Gene got far laying out 200 sweep wing its span 26 meters Gene own ideas Rather use foam wing case Elfe Gene decided builtup version sizes control sur faces changed airfoil arrangement center wing out flap Eppler 174 used point tip 174 transi tions Eppler 184 An interesting side note Gene built up wing can somewhat challenge flat work surface wing varying airfoil wingtips washed out 50 Continued page 144 142 Model Aviation RC Soaring/Pruss Continued page 53 CARBIDE SCRIBER 499 HARRY HIGLEY 8 80N8 INC PO BOX 532 GLENwOOD ILL 60425 OUAIItA-SCALE PZL P-23A KARAS Polmnh recon l1ghl bomber 99 span ilhree-eCe plug-en mng channel opeStiOfl Full-size plans S35 00 onaid rI US Consirulion manual included LARRY GORDON 2460 GOLDEN SHORES CT FENTON MICH 48430 313 6295788 New Breed test weight haad start rady-to-mount engines ow market Smoke SystemSI 995 Holiday Special 31 - $27500* 34 $34500 37-$35500 42 - $37500 flvwbsd er else ii AR Eughes Csamplste NslMq btrin 34 ur 21 wlflywheel31 weIectrIc Iwihioeflywheel IgnitIon37 wlslectric Ignition BlbeZoz-5%HPUlbe2oz-6NP 5Ibs4oz-61&HP Fsawew Ugheast weight Sschs customized newest Gecinan enginus ler t ting Dolts sure Tsp etor Ignition 46 V Ignition Psck ty Switch lt Hub stor Speck Plugs s Wsrenty Psulty Pacts snd Woritmenstop isbis option Aaaionsllc spsclc udvence IUU1 TO 111g 857 High Mountain Rd North Haiedon NJ 07508 e *01427-3845 Building panel isnt big challenge making identical opposite half familiar name RC Soaringand flying buddy GenesBob Champine suggested foam wingactually lower halfbe cut Genes s new wing specifications lower half used bed upon built-up wing framed out sounds like sure way highly undercambered airfoils such some Wortmann sections Three channels control elevons flaps mixing elevons being done transmitter Genes report came after about 50 flights logged assistance another old flying buddy Herk Stokely Reports claim wing thermal soars best little Up flap cranked wings speed has got seen believed As might guessed plane highly maneuverable no pitching quirks during speed ex tremes found some flying wings Some Specs Icarosaur Genes name new birdare WeightSA pounds Chord bat-tail 21 inches Chord tipnine inches Winglets five inches roots three inches tips Airfoil section winglets Eppler 220 turbulated both sides unplug wing easier transporting Elevons 29 x 4 inches flaps 14 x 4 inches positionable -10 80g Gene claims can slow bird down crawl comes time land also suggests isnt plane beginners fly mainly because launching takes utmost attention building snap However once does have little stick time wing docile pure joy fly youre gaggle about dozen others no question bird yours Now whole club decides build might different story Good lift Dan Pnss 131 E Pennington Ln Plainfield IL 60544 responding advertisers mention read about ModelAviation RC Electrics/Kopski Continued page 55 flight Sunday John flew Spectra 4850 also set new internal KRC flight-time record lot duration flying weekend real show-stopper personality planes piloting Keith Shaw Ann Arbor MI Keith last year went home awards including couple dozen 12 Ah Sanyo cells year Keith brought backwrapped 7 /2-pound package shaped exactly like 88-in deHavilland Comet DH-88 Twin Keller 25/12s turning Rev-Up 9 x 7 props pulled A-scale masterpiece 1985 Toledo Best MonoKote winner through Hatfield skies silent captivated stare hun dreds crowded field throughout weekend flight retract-equipped Electric smoothly-flowing sym phony graceful end-to-end maneuvers Continued page 150 ATT-CHEKiY ON-Board Battery Tester Saves Time. Saves Models BAiTCHEK RX-1 $1495 ein USA NW Install RO Models Check receiver battery status press button Small Light 1/2 oz Precise Rugged ORDER TODAY dealer Protune Corp 1914462-6452 PO Box 1808 Poughkeepaie NY 12601 144 Model Aviation 42 wfsiso Ig NEW U Dos -7 HP 0 CHAMPION FF KITS Wake-Up Wakefield $4495e Champion Coupe $2596 Upshot Mulvihill 450 Champion Rubber 1/83/16 & 1/4 widths 042 thick $11 96/lb box CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714 599-3348 Includes us delivery via uPs s add 6% tax