Radio Control SCALE Bob & Dolly Wlscher REPORT FROM PARIS drastic change has made FAI RC CL Scale rules result vote last Decembers CLAM meeting scuttle Precision Scale become victim worldwide decline par ticipation Stand-off Scale becomes inter national RC CL event after January 1984 change will reduce static judging time con siderably will no measurements taken scale ruler has eliminated current AMA rule book stipulates RC Precision Scale use FAI rules except higher weight limit greater engine dis placement means will now have two kinds Stand-off Scale rules book Actu ally reason perpetuate AMA Precision Scale have basis team selection since few contests include event Selecting team now becomes problem par ticularly series eliminations leading final event FAL rules would need used throughout process assure sending qualified airplanes pilots next World Championship France 1984 Norway South Africa 1986 Under new rules static points 0 10 will awarded following categories multiplied K-factors indicated K Factor I Scale accuracy Side view End views Plan views 2 Color 3 Markings 4 Surface texture 5 Craftsmanship 6 Scale detail 10 10 10 6 6 6 10 7 Peter Merrick built Enya 40-powered Dalotel Total65from MAN plans 2 weeksl Five-lb model covered MonoKote Items 1-3 judged minimum distance 3m 10 ft model Items 4-6 judged minimum distance Im 39 model Four-stroke engines received another boost displacement limits rule change permit single-engine planes maximum 20cc 122 cu 40cc 244 cu multi-engines means popular 05 12 cu Ge mini can used well seven-cylinder Technopower singly pairs use four 4-stroke 60 engines becomes permissibleif can done model weighing 6kg 132 lb 44 Model Aviation Bob Neliti fabulous 1/3-scale Piper uuo rests between flights Kitchener-Waterloo Scale Rally Nelitz family resting too lust hind 1 2-ft-span J-3 Quadra-powered super-detailed Al Ehrenfels Valley RC Club Cheshire CT cranks Quadra Bristol Scout Fine photograph Bud Gay Don Paquettes CAP 20L Bridi-Reusch kit Its 1/4-scale Quadrapowered weighs 17 lb finish Sig dope over paper flight surfaces over silk fuselage Fine scratch-built Grumman F8F-2 Orrin Henry Royal plans Webra 91 powers Weight 10V2 lb finish acrylic lacquer over fiberglass cloth/resin Retracts Rhom Products less four-engined model built small enough remain within weight limit its wing loading could easily surpass 3276 oz per sq ft limit Effective dale tentatively set Jan 1984 changes addition previouslyadopted rule changes 15cc 91 cu maxi mum total two engines 20cc 122 cu maximum total three engines came effective two-stroke engines January 1983 Single-engine limit remains 10cc 61 cu two-stroke Large four-stroke engines certain enjoy increase usage because gain pro peller efficiency comes greater diameter pitch lower noise level Enya has just announced its latest four-stroke 90 weight 29 oz output Ito 13 hp thus adding another entry field large engines Scale models Magnum Condor Webra Saito twin number years ducted-fan enthusiasts have asking rule change permit modi fication air entry duct have additional area greater scale size reasoned increase similar rule permits flying propeller replace scale prop after static judging accepted rule follows Additional air entries permitted provided covered movable hatches static judging hatches may moved opened manually prior flight flight means radio con trol appearance model flight must affected Having attended six FAI ClAM meet ings become programmed think group somewhat inflexible some re spects image persists However two national delegates 29 percent cast votes against acceptance foregoing rule changes extensive recent memory Willingness accept inevitable change betterment intemational Scale competition certainly demonstrated Paris Side trips own expense highlights annual trek Paris Yeovilton Royal Naval Air Station southwestem England again itinerary because heard Fleet Air Arm Museums new exhibit Falklands War displayed captured aircraft Bell Jet Ranger helicopter Argentine markings Another display twin turbo-prop ground Continued page 124 Spring Special-Limited Chance Save T-Shirts-Order get second 1/2 price Free personalization limit 6 letters Steerman Bipe rect Print Sportswear no heat transfer Wide Choice Colors-Sizes XS 5 M 1 XL Satisfaction guaranteed money back Best Custom Screened Sports wear See us Mint Julep Jackets $21 95 Baseball Shirts $895 Coaches Shirts $1295 Ladies Tops $995Shorts $595Sweatshirts $1195 Football Jerseys S895T-Shirts $695 Hats-Ask Details Send SASE BrochurerI now accept Master Card/VISA TO ORDER Send check money order add 10% post/hand OR--CALL COLLECT after 4 pm EST write toMD res add 5% sales tax Phase Art T-Shirt People 17102 Earlham Ct Upper Marlboro MD 20772 301-627-5118 j April 1983 45 Ed Wissers beautiful 88-in-span Dh 82C Tiger Moth built Bud Barkley kit weighs 21 lb Quadra-powered cockpits modeled after prototype craft Evans Dietrich won EAA award Fuel tank wing center section engine cowl fiberglass Finish yellow dope over Sig Koverall black-painted portions Rust-OleumI TireAvailable Most Sizes Covers $1495 Designs Available Gee Bee iss Jenny rman Pt 17 er DVII sten Eagle s Special Citabria utive Beech Slogans Fly Seat Pants udder Flying ather Flying s Frequency Quickee ern Fliers Make Smooth Passes Limit Airplanes ng Gives Lift ts Are Just Plane People Special Air About /tc77S UPER-MICRO WORLDSRadio Control SMALLEST SERVO Rx & COMPLETE R/C SYSTEM SUPER-MICRO Servo 47oz~64x3l/32 x 13/32 lSozn oil positivedeJAlOO Rx 4CM max48X4ght 54oz ~mpatible g MN R eI Tx other makes ITEMSYSTEMSP~KS 2CH 29oz 3CM oz 4CH \299521695 388 oz 5CM3089521995 416 oz *SERVO $3495 MICRO RX $81 954 CM *Micro Deans plug others $250 extra I SHIPPING Systems $650 Flite Packs $450 ServosRx $300 VISA Calif add Sales Tax 20% deposit C 0 Ds Brochure 7& I j US $200 Foreign CASH DISCOUNT PRICES SHOWN 13400-26_Saticay StreetNorth Hollywood Calif 91605FIre linois Radio Society newsletter edited Bill Siebenhaar neat idea locating lost airplanes Ill let Bill tell about next year should have bugs worked out new lifting unit consisting helium cylinder weather balloon puncturing de vice Upon impact 10 Gs firing pin strikes small cylinder compressed helium thus filling large weather balloon Attached balloon 50 feet lightweight fishing line theory balloon will rise 50 foot altitude allowing downed aircraft found Did just feel leg being pulled Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued oaae 45 attack airplane FMA Pucara captured intact Unlike Argentina news war remains suppressed British making success Falklands hostilities hall museum features immense photo enlargements action descriptive cap tions two captured aircraft Westland Wessex helicopter carried out heroic duty battle Yeovilton Airfield busy site Royal Navy flight training air traffic constant flow action Hawker Harriers Hunters English Electric Canherras types easily recognized along sortment helicopter types Royal Air Force Museum Hendon north London expanding again new addition old hangars house main museum will used display bombers near completion November 1982 some planes already place separate Battle Britain hall opened four years ago contains both Allied Axis warplanes museum bookshop loaded printed material interest model ers including both new old Profiles picked up 1978 Royal Air Force Yearbook $240 dozens cutaway drawings hundreds photos color renditions planes WW through todays jets try travel light weight paper kept purchases down Sopwith /2-Strutter built Vivian Bell amy Lands End airport now display com pletely recovered presumably because mu seum prefers fireproof finish nitrate dope no longer prop 30 caliber bullet hole Other new exhibits Hanriot pursuit American-made Fokker D-VII re production seen previously Oshkosh made first visit Brussels Air Mu seum Europe surpassed size Hendon Paris museums planes dis played immense building leftover Worlds Fair large enough zeppelin hangar vast areas glass simplify pho tography After taking few color slides abruptly informed photos forbidden some obscure reason having com mercialism seems museum operated volunteer workers money gifts Since commerce contributes nothing com mercial photographers arent welcome con vinced cuyator interests strictly modeling given permission take photos liked Brussels Cinquantenaire Park Museum takes pride originals WW earlier aircraft reproductions Although some ap peared have extensively restored others original fabric covering gold information Scale modelers Two photo-recon German WW planes used trainers Belgians LVG C VI Halberstadt C V both original 200 hp Benz engines WW pursuit planes included Sopwith Camel F Spad 13 CI Nicuport 17 Cl Hanriot HDI center main floor recently restored tapered shoulder-wing homebuilt dated 1934 Kreit KL 2 3-cylinder Anzani engine crew vigorously handcranking effort start Imagine surprise possibly ancient engine suddenly coughed life ran few seconds wouldnt expect see sort thing other mu seum fire extinguishers handy Total quantity planes could over 100 tiny single place Tipsy S-2 way up Fairchild C-I 19 Packet good represen tation WW II military aircraft also assortment post-war examples including Re public F-84G Hawker Hunter F-4 Gloster Meteor F-8 Really rare aircraft Farman Fl l-A2 deHavilland Mosquito NF-30 Royal Aircraft Factory RE8 Time too short absorb presented Aircraft being acquired faster rate can made presentable kept clean condition Most needed dust removal side trip England included visits mod eling friends Mike Whittard lives Nympsfield Cotswolds small house closet size workshop tiny space Mike builds Giant Scale models newest 10-ft-span Westland Widgeon parasol Magnum 91S four-stroke engine powermore enough 20-lb plane using UHF Cots wold radio equipment above 400 MHz tiny 4-in stub transmitter antenna can removed model flight loss signal Other Giants Mikes collection CAP 20 Gee Bee Another visit home Group Captain James Pelly-Fry builder other Douglas A-20 Boston similar model James flew prototypes WW II commander 88 Squa dron amassed impressive record mis sions over Europe some ended neardisasters hopeful James will write story magazines preferably MA about modeling experiences dating back 1930 connection between interest model Boston wartime flying James lives small town Fivehead near Taunton Somerset leading quiet life comparison historic past home modem small enough needed build additional one-room workshop near back door shop haven place exercise natural bent inventiveness formerly used battle RAF now flies Sailplanes oper ating wing slots recently recording airspeed-indicator visiting introduced Da vid Parker another inventive genius showed us successfully-flown steam engine model planes one-cylinder engine alcoholfueled flash boiler uses propeller slipstream augment boiler draft Most structure light stainless steel Another Davids products completely scratch-built four-stroke twin Royal Air Force colors Petit Paint Co makers Hobbypoxy received formulas aircraft action during early stages WW II 1940 41 includes Battle Britain Most Hurricanes early models Spitfire finished colors upper surfaces painted dark earth dark green lower surfaces painted sky type S Dark earth 4 parts H65 bright red 2 parts H49 Cub ycllow part Continued page 126 124 Model Aviation STEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96% Spon 2 Scale 60 Engines 64% Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 OtSe desigs ae al Kits ars otfered GRAPHICS THE ROLLS ROYCE OF NUMBERS & LETTERS THEY STAY ON EVEN WHEN DRENCHED U WITH FUEL MICRO-THIN CAST VINYL PEEL EM OFF & STICK EM ON C@4/ERflE i L A9A gd-,tn, Rd Hnrham PA 19044 USA Send S200 refundable first purchase catalogue price list See local dealer order direct pay postage handling shipments CLARK INDUSTRIES H81 black part 1170 gray Dark green 6 parts H66 dark red 2 parts H33 Stinson green part H49 Cub yellow part H81 black part HIO white Sky type 5 5 parts RIO white part H26 light blue part H70 gray colors Hobbypoxy stock Bob Dolly Wiseher 5-221 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 46 airfoil Gerbers original airfoil threeviews will appear next month Meanwhile youll get idea bird picture youre school pivots wings thats OK its small school keeping hinge lines clean has concern attempting keep wing surfaces unbroken air flows uninterrupted best hinge line flaps ailerons concave/convex joint wherein convex leading edge control surface mates convex section wing type joint nearly impossible match hand tapered wing takes real craftsman fashion straight wing other photo shows wing root another Swiss design has around since 1980the Piranha first Sailplanes seriously designed F3B using Eppler 214 airfoil beginning Piranha gave designer fits before fliers felt out advantages flapped airfoil now three years later realizing full potential airfoil plane Both electroflight version original Sailplanes doing just fine Three-views bird will also appear next month meantime wing root section shows solve hinge line problem using tape MonoKote works fine flap full span underside wing flap joint wing flap joint upper side always closed regardless flap position Note cutout wing trailing edge section leading edge shape flap makes whole action possible added feature adaptable flap root/fuselage joint note what ap pears excess material hangs fuselage side flap material Mono Kote about 3/16 inch hangs over wing position against fuse lage MonoKote overhang makes tight joint forms small fillet against fuselage As flap moves fillet just wipes fuse lage preventing air gap thereby preventing added drag picture worth thousand words next series shots should prove axiom Mold-making seems state art wing-making forums evidence Some modelers have gone through pains produce just modelsome quarter-scale variety builders arguments Once have mold its easy reproduce wing stab whatever know replace ment exact duplicate original can afford time cost such ventures Several months several hun dreds dollars have spent projects such Spartakus Dassel 800 hours Spartakus molds Enter Helmut Webren same gent engineered Spartakus molds new method wings reduces mold-making down just few hours easy steps 1 Cut have cut foam wing tail section used model 2 Put aside cores kgep beds saddles 3 Get sheet aluminumWebren uses 012and prepare bending over sharp edge first sequence photos 4 Using straight piece extruded alu minum bend sheet down gently forming defined crease second sequence photo 5 Carefully work shett back against itself using straight-edge tool making sure allow sheet flow shape crease back Third sequence photo 6 Holding sheet together squeezing creased side closed run sanding block back forth along creased edge several strokes Fourth sequence photo 7 Using two straight edges open fold sheet will separate sanded crease Next to-last sequence photo 8 final photo sequence shows upper lower wing skins will now glued wing core beds aluminum skins provide finished sur faces beds form molds until now took epoxy aforementioned hours work Reinforce foam beds angle alu minum straight wooden frames start laying up glass wings stabs Soar Tech 1SF Sounds like theyre both right track benefit us Also sounds like theres room NSS LSF interested soaring group sponsor weekend forum like ISFs right USsomething like old DC/RC Symposium Anybody interested just ready sign piece off following came mail youre ham radio fan will RC Glider Net Monday evenings Time 2330 Zulu Frequency 7240 mHz Net Control Bob Summers W8BBY 126 Model Aviation Designed R/C Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird esactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OW BIRD bird big gest best has rock steady pattern performance hats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 feet rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062
Edition: Model Aviation - 1983/04
Page Numbers: 44, 45, 124, 126
Radio Control SCALE Bob & Dolly Wlscher REPORT FROM PARIS drastic change has made FAI RC CL Scale rules result vote last Decembers CLAM meeting scuttle Precision Scale become victim worldwide decline par ticipation Stand-off Scale becomes inter national RC CL event after January 1984 change will reduce static judging time con siderably will no measurements taken scale ruler has eliminated current AMA rule book stipulates RC Precision Scale use FAI rules except higher weight limit greater engine dis placement means will now have two kinds Stand-off Scale rules book Actu ally reason perpetuate AMA Precision Scale have basis team selection since few contests include event Selecting team now becomes problem par ticularly series eliminations leading final event FAL rules would need used throughout process assure sending qualified airplanes pilots next World Championship France 1984 Norway South Africa 1986 Under new rules static points 0 10 will awarded following categories multiplied K-factors indicated K Factor I Scale accuracy Side view End views Plan views 2 Color 3 Markings 4 Surface texture 5 Craftsmanship 6 Scale detail 10 10 10 6 6 6 10 7 Peter Merrick built Enya 40-powered Dalotel Total65from MAN plans 2 weeksl Five-lb model covered MonoKote Items 1-3 judged minimum distance 3m 10 ft model Items 4-6 judged minimum distance Im 39 model Four-stroke engines received another boost displacement limits rule change permit single-engine planes maximum 20cc 122 cu 40cc 244 cu multi-engines means popular 05 12 cu Ge mini can used well seven-cylinder Technopower singly pairs use four 4-stroke 60 engines becomes permissibleif can done model weighing 6kg 132 lb 44 Model Aviation Bob Neliti fabulous 1/3-scale Piper uuo rests between flights Kitchener-Waterloo Scale Rally Nelitz family resting too lust hind 1 2-ft-span J-3 Quadra-powered super-detailed Al Ehrenfels Valley RC Club Cheshire CT cranks Quadra Bristol Scout Fine photograph Bud Gay Don Paquettes CAP 20L Bridi-Reusch kit Its 1/4-scale Quadrapowered weighs 17 lb finish Sig dope over paper flight surfaces over silk fuselage Fine scratch-built Grumman F8F-2 Orrin Henry Royal plans Webra 91 powers Weight 10V2 lb finish acrylic lacquer over fiberglass cloth/resin Retracts Rhom Products less four-engined model built small enough remain within weight limit its wing loading could easily surpass 3276 oz per sq ft limit Effective dale tentatively set Jan 1984 changes addition previouslyadopted rule changes 15cc 91 cu maxi mum total two engines 20cc 122 cu maximum total three engines came effective two-stroke engines January 1983 Single-engine limit remains 10cc 61 cu two-stroke Large four-stroke engines certain enjoy increase usage because gain pro peller efficiency comes greater diameter pitch lower noise level Enya has just announced its latest four-stroke 90 weight 29 oz output Ito 13 hp thus adding another entry field large engines Scale models Magnum Condor Webra Saito twin number years ducted-fan enthusiasts have asking rule change permit modi fication air entry duct have additional area greater scale size reasoned increase similar rule permits flying propeller replace scale prop after static judging accepted rule follows Additional air entries permitted provided covered movable hatches static judging hatches may moved opened manually prior flight flight means radio con trol appearance model flight must affected Having attended six FAI ClAM meet ings become programmed think group somewhat inflexible some re spects image persists However two national delegates 29 percent cast votes against acceptance foregoing rule changes extensive recent memory Willingness accept inevitable change betterment intemational Scale competition certainly demonstrated Paris Side trips own expense highlights annual trek Paris Yeovilton Royal Naval Air Station southwestem England again itinerary because heard Fleet Air Arm Museums new exhibit Falklands War displayed captured aircraft Bell Jet Ranger helicopter Argentine markings Another display twin turbo-prop ground Continued page 124 Spring Special-Limited Chance Save T-Shirts-Order get second 1/2 price Free personalization limit 6 letters Steerman Bipe rect Print Sportswear no heat transfer Wide Choice Colors-Sizes XS 5 M 1 XL Satisfaction guaranteed money back Best Custom Screened Sports wear See us Mint Julep Jackets $21 95 Baseball Shirts $895 Coaches Shirts $1295 Ladies Tops $995Shorts $595Sweatshirts $1195 Football Jerseys S895T-Shirts $695 Hats-Ask Details Send SASE BrochurerI now accept Master Card/VISA TO ORDER Send check money order add 10% post/hand OR--CALL COLLECT after 4 pm EST write toMD res add 5% sales tax Phase Art T-Shirt People 17102 Earlham Ct Upper Marlboro MD 20772 301-627-5118 j April 1983 45 Ed Wissers beautiful 88-in-span Dh 82C Tiger Moth built Bud Barkley kit weighs 21 lb Quadra-powered cockpits modeled after prototype craft Evans Dietrich won EAA award Fuel tank wing center section engine cowl fiberglass Finish yellow dope over Sig Koverall black-painted portions Rust-OleumI TireAvailable Most Sizes Covers $1495 Designs Available Gee Bee iss Jenny rman Pt 17 er DVII sten Eagle s Special Citabria utive Beech Slogans Fly Seat Pants udder Flying ather Flying s Frequency Quickee ern Fliers Make Smooth Passes Limit Airplanes ng Gives Lift ts Are Just Plane People Special Air About /tc77S UPER-MICRO WORLDSRadio Control SMALLEST SERVO Rx & COMPLETE R/C SYSTEM SUPER-MICRO Servo 47oz~64x3l/32 x 13/32 lSozn oil positivedeJAlOO Rx 4CM max48X4ght 54oz ~mpatible g MN R eI Tx other makes ITEMSYSTEMSP~KS 2CH 29oz 3CM oz 4CH \299521695 388 oz 5CM3089521995 416 oz *SERVO $3495 MICRO RX $81 954 CM *Micro Deans plug others $250 extra I SHIPPING Systems $650 Flite Packs $450 ServosRx $300 VISA Calif add Sales Tax 20% deposit C 0 Ds Brochure 7& I j US $200 Foreign CASH DISCOUNT PRICES SHOWN 13400-26_Saticay StreetNorth Hollywood Calif 91605FIre linois Radio Society newsletter edited Bill Siebenhaar neat idea locating lost airplanes Ill let Bill tell about next year should have bugs worked out new lifting unit consisting helium cylinder weather balloon puncturing de vice Upon impact 10 Gs firing pin strikes small cylinder compressed helium thus filling large weather balloon Attached balloon 50 feet lightweight fishing line theory balloon will rise 50 foot altitude allowing downed aircraft found Did just feel leg being pulled Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued oaae 45 attack airplane FMA Pucara captured intact Unlike Argentina news war remains suppressed British making success Falklands hostilities hall museum features immense photo enlargements action descriptive cap tions two captured aircraft Westland Wessex helicopter carried out heroic duty battle Yeovilton Airfield busy site Royal Navy flight training air traffic constant flow action Hawker Harriers Hunters English Electric Canherras types easily recognized along sortment helicopter types Royal Air Force Museum Hendon north London expanding again new addition old hangars house main museum will used display bombers near completion November 1982 some planes already place separate Battle Britain hall opened four years ago contains both Allied Axis warplanes museum bookshop loaded printed material interest model ers including both new old Profiles picked up 1978 Royal Air Force Yearbook $240 dozens cutaway drawings hundreds photos color renditions planes WW through todays jets try travel light weight paper kept purchases down Sopwith /2-Strutter built Vivian Bell amy Lands End airport now display com pletely recovered presumably because mu seum prefers fireproof finish nitrate dope no longer prop 30 caliber bullet hole Other new exhibits Hanriot pursuit American-made Fokker D-VII re production seen previously Oshkosh made first visit Brussels Air Mu seum Europe surpassed size Hendon Paris museums planes dis played immense building leftover Worlds Fair large enough zeppelin hangar vast areas glass simplify pho tography After taking few color slides abruptly informed photos forbidden some obscure reason having com mercialism seems museum operated volunteer workers money gifts Since commerce contributes nothing com mercial photographers arent welcome con vinced cuyator interests strictly modeling given permission take photos liked Brussels Cinquantenaire Park Museum takes pride originals WW earlier aircraft reproductions Although some ap peared have extensively restored others original fabric covering gold information Scale modelers Two photo-recon German WW planes used trainers Belgians LVG C VI Halberstadt C V both original 200 hp Benz engines WW pursuit planes included Sopwith Camel F Spad 13 CI Nicuport 17 Cl Hanriot HDI center main floor recently restored tapered shoulder-wing homebuilt dated 1934 Kreit KL 2 3-cylinder Anzani engine crew vigorously handcranking effort start Imagine surprise possibly ancient engine suddenly coughed life ran few seconds wouldnt expect see sort thing other mu seum fire extinguishers handy Total quantity planes could over 100 tiny single place Tipsy S-2 way up Fairchild C-I 19 Packet good represen tation WW II military aircraft also assortment post-war examples including Re public F-84G Hawker Hunter F-4 Gloster Meteor F-8 Really rare aircraft Farman Fl l-A2 deHavilland Mosquito NF-30 Royal Aircraft Factory RE8 Time too short absorb presented Aircraft being acquired faster rate can made presentable kept clean condition Most needed dust removal side trip England included visits mod eling friends Mike Whittard lives Nympsfield Cotswolds small house closet size workshop tiny space Mike builds Giant Scale models newest 10-ft-span Westland Widgeon parasol Magnum 91S four-stroke engine powermore enough 20-lb plane using UHF Cots wold radio equipment above 400 MHz tiny 4-in stub transmitter antenna can removed model flight loss signal Other Giants Mikes collection CAP 20 Gee Bee Another visit home Group Captain James Pelly-Fry builder other Douglas A-20 Boston similar model James flew prototypes WW II commander 88 Squa dron amassed impressive record mis sions over Europe some ended neardisasters hopeful James will write story magazines preferably MA about modeling experiences dating back 1930 connection between interest model Boston wartime flying James lives small town Fivehead near Taunton Somerset leading quiet life comparison historic past home modem small enough needed build additional one-room workshop near back door shop haven place exercise natural bent inventiveness formerly used battle RAF now flies Sailplanes oper ating wing slots recently recording airspeed-indicator visiting introduced Da vid Parker another inventive genius showed us successfully-flown steam engine model planes one-cylinder engine alcoholfueled flash boiler uses propeller slipstream augment boiler draft Most structure light stainless steel Another Davids products completely scratch-built four-stroke twin Royal Air Force colors Petit Paint Co makers Hobbypoxy received formulas aircraft action during early stages WW II 1940 41 includes Battle Britain Most Hurricanes early models Spitfire finished colors upper surfaces painted dark earth dark green lower surfaces painted sky type S Dark earth 4 parts H65 bright red 2 parts H49 Cub ycllow part Continued page 126 124 Model Aviation STEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96% Spon 2 Scale 60 Engines 64% Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 OtSe desigs ae al Kits ars otfered GRAPHICS THE ROLLS ROYCE OF NUMBERS & LETTERS THEY STAY ON EVEN WHEN DRENCHED U WITH FUEL MICRO-THIN CAST VINYL PEEL EM OFF & STICK EM ON C@4/ERflE i L A9A gd-,tn, Rd Hnrham PA 19044 USA Send S200 refundable first purchase catalogue price list See local dealer order direct pay postage handling shipments CLARK INDUSTRIES H81 black part 1170 gray Dark green 6 parts H66 dark red 2 parts H33 Stinson green part H49 Cub yellow part H81 black part HIO white Sky type 5 5 parts RIO white part H26 light blue part H70 gray colors Hobbypoxy stock Bob Dolly Wiseher 5-221 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 46 airfoil Gerbers original airfoil threeviews will appear next month Meanwhile youll get idea bird picture youre school pivots wings thats OK its small school keeping hinge lines clean has concern attempting keep wing surfaces unbroken air flows uninterrupted best hinge line flaps ailerons concave/convex joint wherein convex leading edge control surface mates convex section wing type joint nearly impossible match hand tapered wing takes real craftsman fashion straight wing other photo shows wing root another Swiss design has around since 1980the Piranha first Sailplanes seriously designed F3B using Eppler 214 airfoil beginning Piranha gave designer fits before fliers felt out advantages flapped airfoil now three years later realizing full potential airfoil plane Both electroflight version original Sailplanes doing just fine Three-views bird will also appear next month meantime wing root section shows solve hinge line problem using tape MonoKote works fine flap full span underside wing flap joint wing flap joint upper side always closed regardless flap position Note cutout wing trailing edge section leading edge shape flap makes whole action possible added feature adaptable flap root/fuselage joint note what ap pears excess material hangs fuselage side flap material Mono Kote about 3/16 inch hangs over wing position against fuse lage MonoKote overhang makes tight joint forms small fillet against fuselage As flap moves fillet just wipes fuse lage preventing air gap thereby preventing added drag picture worth thousand words next series shots should prove axiom Mold-making seems state art wing-making forums evidence Some modelers have gone through pains produce just modelsome quarter-scale variety builders arguments Once have mold its easy reproduce wing stab whatever know replace ment exact duplicate original can afford time cost such ventures Several months several hun dreds dollars have spent projects such Spartakus Dassel 800 hours Spartakus molds Enter Helmut Webren same gent engineered Spartakus molds new method wings reduces mold-making down just few hours easy steps 1 Cut have cut foam wing tail section used model 2 Put aside cores kgep beds saddles 3 Get sheet aluminumWebren uses 012and prepare bending over sharp edge first sequence photos 4 Using straight piece extruded alu minum bend sheet down gently forming defined crease second sequence photo 5 Carefully work shett back against itself using straight-edge tool making sure allow sheet flow shape crease back Third sequence photo 6 Holding sheet together squeezing creased side closed run sanding block back forth along creased edge several strokes Fourth sequence photo 7 Using two straight edges open fold sheet will separate sanded crease Next to-last sequence photo 8 final photo sequence shows upper lower wing skins will now glued wing core beds aluminum skins provide finished sur faces beds form molds until now took epoxy aforementioned hours work Reinforce foam beds angle alu minum straight wooden frames start laying up glass wings stabs Soar Tech 1SF Sounds like theyre both right track benefit us Also sounds like theres room NSS LSF interested soaring group sponsor weekend forum like ISFs right USsomething like old DC/RC Symposium Anybody interested just ready sign piece off following came mail youre ham radio fan will RC Glider Net Monday evenings Time 2330 Zulu Frequency 7240 mHz Net Control Bob Summers W8BBY 126 Model Aviation Designed R/C Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird esactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OW BIRD bird big gest best has rock steady pattern performance hats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 feet rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062
Edition: Model Aviation - 1983/04
Page Numbers: 44, 45, 124, 126
Radio Control SCALE Bob & Dolly Wlscher REPORT FROM PARIS drastic change has made FAI RC CL Scale rules result vote last Decembers CLAM meeting scuttle Precision Scale become victim worldwide decline par ticipation Stand-off Scale becomes inter national RC CL event after January 1984 change will reduce static judging time con siderably will no measurements taken scale ruler has eliminated current AMA rule book stipulates RC Precision Scale use FAI rules except higher weight limit greater engine dis placement means will now have two kinds Stand-off Scale rules book Actu ally reason perpetuate AMA Precision Scale have basis team selection since few contests include event Selecting team now becomes problem par ticularly series eliminations leading final event FAL rules would need used throughout process assure sending qualified airplanes pilots next World Championship France 1984 Norway South Africa 1986 Under new rules static points 0 10 will awarded following categories multiplied K-factors indicated K Factor I Scale accuracy Side view End views Plan views 2 Color 3 Markings 4 Surface texture 5 Craftsmanship 6 Scale detail 10 10 10 6 6 6 10 7 Peter Merrick built Enya 40-powered Dalotel Total65from MAN plans 2 weeksl Five-lb model covered MonoKote Items 1-3 judged minimum distance 3m 10 ft model Items 4-6 judged minimum distance Im 39 model Four-stroke engines received another boost displacement limits rule change permit single-engine planes maximum 20cc 122 cu 40cc 244 cu multi-engines means popular 05 12 cu Ge mini can used well seven-cylinder Technopower singly pairs use four 4-stroke 60 engines becomes permissibleif can done model weighing 6kg 132 lb 44 Model Aviation Bob Neliti fabulous 1/3-scale Piper uuo rests between flights Kitchener-Waterloo Scale Rally Nelitz family resting too lust hind 1 2-ft-span J-3 Quadra-powered super-detailed Al Ehrenfels Valley RC Club Cheshire CT cranks Quadra Bristol Scout Fine photograph Bud Gay Don Paquettes CAP 20L Bridi-Reusch kit Its 1/4-scale Quadrapowered weighs 17 lb finish Sig dope over paper flight surfaces over silk fuselage Fine scratch-built Grumman F8F-2 Orrin Henry Royal plans Webra 91 powers Weight 10V2 lb finish acrylic lacquer over fiberglass cloth/resin Retracts Rhom Products less four-engined model built small enough remain within weight limit its wing loading could easily surpass 3276 oz per sq ft limit Effective dale tentatively set Jan 1984 changes addition previouslyadopted rule changes 15cc 91 cu maxi mum total two engines 20cc 122 cu maximum total three engines came effective two-stroke engines January 1983 Single-engine limit remains 10cc 61 cu two-stroke Large four-stroke engines certain enjoy increase usage because gain pro peller efficiency comes greater diameter pitch lower noise level Enya has just announced its latest four-stroke 90 weight 29 oz output Ito 13 hp thus adding another entry field large engines Scale models Magnum Condor Webra Saito twin number years ducted-fan enthusiasts have asking rule change permit modi fication air entry duct have additional area greater scale size reasoned increase similar rule permits flying propeller replace scale prop after static judging accepted rule follows Additional air entries permitted provided covered movable hatches static judging hatches may moved opened manually prior flight flight means radio con trol appearance model flight must affected Having attended six FAI ClAM meet ings become programmed think group somewhat inflexible some re spects image persists However two national delegates 29 percent cast votes against acceptance foregoing rule changes extensive recent memory Willingness accept inevitable change betterment intemational Scale competition certainly demonstrated Paris Side trips own expense highlights annual trek Paris Yeovilton Royal Naval Air Station southwestem England again itinerary because heard Fleet Air Arm Museums new exhibit Falklands War displayed captured aircraft Bell Jet Ranger helicopter Argentine markings Another display twin turbo-prop ground Continued page 124 Spring Special-Limited Chance Save T-Shirts-Order get second 1/2 price Free personalization limit 6 letters Steerman Bipe rect Print Sportswear no heat transfer Wide Choice Colors-Sizes XS 5 M 1 XL Satisfaction guaranteed money back Best Custom Screened Sports wear See us Mint Julep Jackets $21 95 Baseball Shirts $895 Coaches Shirts $1295 Ladies Tops $995Shorts $595Sweatshirts $1195 Football Jerseys S895T-Shirts $695 Hats-Ask Details Send SASE BrochurerI now accept Master Card/VISA TO ORDER Send check money order add 10% post/hand OR--CALL COLLECT after 4 pm EST write toMD res add 5% sales tax Phase Art T-Shirt People 17102 Earlham Ct Upper Marlboro MD 20772 301-627-5118 j April 1983 45 Ed Wissers beautiful 88-in-span Dh 82C Tiger Moth built Bud Barkley kit weighs 21 lb Quadra-powered cockpits modeled after prototype craft Evans Dietrich won EAA award Fuel tank wing center section engine cowl fiberglass Finish yellow dope over Sig Koverall black-painted portions Rust-OleumI TireAvailable Most Sizes Covers $1495 Designs Available Gee Bee iss Jenny rman Pt 17 er DVII sten Eagle s Special Citabria utive Beech Slogans Fly Seat Pants udder Flying ather Flying s Frequency Quickee ern Fliers Make Smooth Passes Limit Airplanes ng Gives Lift ts Are Just Plane People Special Air About /tc77S UPER-MICRO WORLDSRadio Control SMALLEST SERVO Rx & COMPLETE R/C SYSTEM SUPER-MICRO Servo 47oz~64x3l/32 x 13/32 lSozn oil positivedeJAlOO Rx 4CM max48X4ght 54oz ~mpatible g MN R eI Tx other makes ITEMSYSTEMSP~KS 2CH 29oz 3CM oz 4CH \299521695 388 oz 5CM3089521995 416 oz *SERVO $3495 MICRO RX $81 954 CM *Micro Deans plug others $250 extra I SHIPPING Systems $650 Flite Packs $450 ServosRx $300 VISA Calif add Sales Tax 20% deposit C 0 Ds Brochure 7& I j US $200 Foreign CASH DISCOUNT PRICES SHOWN 13400-26_Saticay StreetNorth Hollywood Calif 91605FIre linois Radio Society newsletter edited Bill Siebenhaar neat idea locating lost airplanes Ill let Bill tell about next year should have bugs worked out new lifting unit consisting helium cylinder weather balloon puncturing de vice Upon impact 10 Gs firing pin strikes small cylinder compressed helium thus filling large weather balloon Attached balloon 50 feet lightweight fishing line theory balloon will rise 50 foot altitude allowing downed aircraft found Did just feel leg being pulled Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued oaae 45 attack airplane FMA Pucara captured intact Unlike Argentina news war remains suppressed British making success Falklands hostilities hall museum features immense photo enlargements action descriptive cap tions two captured aircraft Westland Wessex helicopter carried out heroic duty battle Yeovilton Airfield busy site Royal Navy flight training air traffic constant flow action Hawker Harriers Hunters English Electric Canherras types easily recognized along sortment helicopter types Royal Air Force Museum Hendon north London expanding again new addition old hangars house main museum will used display bombers near completion November 1982 some planes already place separate Battle Britain hall opened four years ago contains both Allied Axis warplanes museum bookshop loaded printed material interest model ers including both new old Profiles picked up 1978 Royal Air Force Yearbook $240 dozens cutaway drawings hundreds photos color renditions planes WW through todays jets try travel light weight paper kept purchases down Sopwith /2-Strutter built Vivian Bell amy Lands End airport now display com pletely recovered presumably because mu seum prefers fireproof finish nitrate dope no longer prop 30 caliber bullet hole Other new exhibits Hanriot pursuit American-made Fokker D-VII re production seen previously Oshkosh made first visit Brussels Air Mu seum Europe surpassed size Hendon Paris museums planes dis played immense building leftover Worlds Fair large enough zeppelin hangar vast areas glass simplify pho tography After taking few color slides abruptly informed photos forbidden some obscure reason having com mercialism seems museum operated volunteer workers money gifts Since commerce contributes nothing com mercial photographers arent welcome con vinced cuyator interests strictly modeling given permission take photos liked Brussels Cinquantenaire Park Museum takes pride originals WW earlier aircraft reproductions Although some ap peared have extensively restored others original fabric covering gold information Scale modelers Two photo-recon German WW planes used trainers Belgians LVG C VI Halberstadt C V both original 200 hp Benz engines WW pursuit planes included Sopwith Camel F Spad 13 CI Nicuport 17 Cl Hanriot HDI center main floor recently restored tapered shoulder-wing homebuilt dated 1934 Kreit KL 2 3-cylinder Anzani engine crew vigorously handcranking effort start Imagine surprise possibly ancient engine suddenly coughed life ran few seconds wouldnt expect see sort thing other mu seum fire extinguishers handy Total quantity planes could over 100 tiny single place Tipsy S-2 way up Fairchild C-I 19 Packet good represen tation WW II military aircraft also assortment post-war examples including Re public F-84G Hawker Hunter F-4 Gloster Meteor F-8 Really rare aircraft Farman Fl l-A2 deHavilland Mosquito NF-30 Royal Aircraft Factory RE8 Time too short absorb presented Aircraft being acquired faster rate can made presentable kept clean condition Most needed dust removal side trip England included visits mod eling friends Mike Whittard lives Nympsfield Cotswolds small house closet size workshop tiny space Mike builds Giant Scale models newest 10-ft-span Westland Widgeon parasol Magnum 91S four-stroke engine powermore enough 20-lb plane using UHF Cots wold radio equipment above 400 MHz tiny 4-in stub transmitter antenna can removed model flight loss signal Other Giants Mikes collection CAP 20 Gee Bee Another visit home Group Captain James Pelly-Fry builder other Douglas A-20 Boston similar model James flew prototypes WW II commander 88 Squa dron amassed impressive record mis sions over Europe some ended neardisasters hopeful James will write story magazines preferably MA about modeling experiences dating back 1930 connection between interest model Boston wartime flying James lives small town Fivehead near Taunton Somerset leading quiet life comparison historic past home modem small enough needed build additional one-room workshop near back door shop haven place exercise natural bent inventiveness formerly used battle RAF now flies Sailplanes oper ating wing slots recently recording airspeed-indicator visiting introduced Da vid Parker another inventive genius showed us successfully-flown steam engine model planes one-cylinder engine alcoholfueled flash boiler uses propeller slipstream augment boiler draft Most structure light stainless steel Another Davids products completely scratch-built four-stroke twin Royal Air Force colors Petit Paint Co makers Hobbypoxy received formulas aircraft action during early stages WW II 1940 41 includes Battle Britain Most Hurricanes early models Spitfire finished colors upper surfaces painted dark earth dark green lower surfaces painted sky type S Dark earth 4 parts H65 bright red 2 parts H49 Cub ycllow part Continued page 126 124 Model Aviation STEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96% Spon 2 Scale 60 Engines 64% Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 OtSe desigs ae al Kits ars otfered GRAPHICS THE ROLLS ROYCE OF NUMBERS & LETTERS THEY STAY ON EVEN WHEN DRENCHED U WITH FUEL MICRO-THIN CAST VINYL PEEL EM OFF & STICK EM ON C@4/ERflE i L A9A gd-,tn, Rd Hnrham PA 19044 USA Send S200 refundable first purchase catalogue price list See local dealer order direct pay postage handling shipments CLARK INDUSTRIES H81 black part 1170 gray Dark green 6 parts H66 dark red 2 parts H33 Stinson green part H49 Cub yellow part H81 black part HIO white Sky type 5 5 parts RIO white part H26 light blue part H70 gray colors Hobbypoxy stock Bob Dolly Wiseher 5-221 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 46 airfoil Gerbers original airfoil threeviews will appear next month Meanwhile youll get idea bird picture youre school pivots wings thats OK its small school keeping hinge lines clean has concern attempting keep wing surfaces unbroken air flows uninterrupted best hinge line flaps ailerons concave/convex joint wherein convex leading edge control surface mates convex section wing type joint nearly impossible match hand tapered wing takes real craftsman fashion straight wing other photo shows wing root another Swiss design has around since 1980the Piranha first Sailplanes seriously designed F3B using Eppler 214 airfoil beginning Piranha gave designer fits before fliers felt out advantages flapped airfoil now three years later realizing full potential airfoil plane Both electroflight version original Sailplanes doing just fine Three-views bird will also appear next month meantime wing root section shows solve hinge line problem using tape MonoKote works fine flap full span underside wing flap joint wing flap joint upper side always closed regardless flap position Note cutout wing trailing edge section leading edge shape flap makes whole action possible added feature adaptable flap root/fuselage joint note what ap pears excess material hangs fuselage side flap material Mono Kote about 3/16 inch hangs over wing position against fuse lage MonoKote overhang makes tight joint forms small fillet against fuselage As flap moves fillet just wipes fuse lage preventing air gap thereby preventing added drag picture worth thousand words next series shots should prove axiom Mold-making seems state art wing-making forums evidence Some modelers have gone through pains produce just modelsome quarter-scale variety builders arguments Once have mold its easy reproduce wing stab whatever know replace ment exact duplicate original can afford time cost such ventures Several months several hun dreds dollars have spent projects such Spartakus Dassel 800 hours Spartakus molds Enter Helmut Webren same gent engineered Spartakus molds new method wings reduces mold-making down just few hours easy steps 1 Cut have cut foam wing tail section used model 2 Put aside cores kgep beds saddles 3 Get sheet aluminumWebren uses 012and prepare bending over sharp edge first sequence photos 4 Using straight piece extruded alu minum bend sheet down gently forming defined crease second sequence photo 5 Carefully work shett back against itself using straight-edge tool making sure allow sheet flow shape crease back Third sequence photo 6 Holding sheet together squeezing creased side closed run sanding block back forth along creased edge several strokes Fourth sequence photo 7 Using two straight edges open fold sheet will separate sanded crease Next to-last sequence photo 8 final photo sequence shows upper lower wing skins will now glued wing core beds aluminum skins provide finished sur faces beds form molds until now took epoxy aforementioned hours work Reinforce foam beds angle alu minum straight wooden frames start laying up glass wings stabs Soar Tech 1SF Sounds like theyre both right track benefit us Also sounds like theres room NSS LSF interested soaring group sponsor weekend forum like ISFs right USsomething like old DC/RC Symposium Anybody interested just ready sign piece off following came mail youre ham radio fan will RC Glider Net Monday evenings Time 2330 Zulu Frequency 7240 mHz Net Control Bob Summers W8BBY 126 Model Aviation Designed R/C Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird esactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OW BIRD bird big gest best has rock steady pattern performance hats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 feet rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062
Edition: Model Aviation - 1983/04
Page Numbers: 44, 45, 124, 126
Radio Control SCALE Bob & Dolly Wlscher REPORT FROM PARIS drastic change has made FAI RC CL Scale rules result vote last Decembers CLAM meeting scuttle Precision Scale become victim worldwide decline par ticipation Stand-off Scale becomes inter national RC CL event after January 1984 change will reduce static judging time con siderably will no measurements taken scale ruler has eliminated current AMA rule book stipulates RC Precision Scale use FAI rules except higher weight limit greater engine dis placement means will now have two kinds Stand-off Scale rules book Actu ally reason perpetuate AMA Precision Scale have basis team selection since few contests include event Selecting team now becomes problem par ticularly series eliminations leading final event FAL rules would need used throughout process assure sending qualified airplanes pilots next World Championship France 1984 Norway South Africa 1986 Under new rules static points 0 10 will awarded following categories multiplied K-factors indicated K Factor I Scale accuracy Side view End views Plan views 2 Color 3 Markings 4 Surface texture 5 Craftsmanship 6 Scale detail 10 10 10 6 6 6 10 7 Peter Merrick built Enya 40-powered Dalotel Total65from MAN plans 2 weeksl Five-lb model covered MonoKote Items 1-3 judged minimum distance 3m 10 ft model Items 4-6 judged minimum distance Im 39 model Four-stroke engines received another boost displacement limits rule change permit single-engine planes maximum 20cc 122 cu 40cc 244 cu multi-engines means popular 05 12 cu Ge mini can used well seven-cylinder Technopower singly pairs use four 4-stroke 60 engines becomes permissibleif can done model weighing 6kg 132 lb 44 Model Aviation Bob Neliti fabulous 1/3-scale Piper uuo rests between flights Kitchener-Waterloo Scale Rally Nelitz family resting too lust hind 1 2-ft-span J-3 Quadra-powered super-detailed Al Ehrenfels Valley RC Club Cheshire CT cranks Quadra Bristol Scout Fine photograph Bud Gay Don Paquettes CAP 20L Bridi-Reusch kit Its 1/4-scale Quadrapowered weighs 17 lb finish Sig dope over paper flight surfaces over silk fuselage Fine scratch-built Grumman F8F-2 Orrin Henry Royal plans Webra 91 powers Weight 10V2 lb finish acrylic lacquer over fiberglass cloth/resin Retracts Rhom Products less four-engined model built small enough remain within weight limit its wing loading could easily surpass 3276 oz per sq ft limit Effective dale tentatively set Jan 1984 changes addition previouslyadopted rule changes 15cc 91 cu maxi mum total two engines 20cc 122 cu maximum total three engines came effective two-stroke engines January 1983 Single-engine limit remains 10cc 61 cu two-stroke Large four-stroke engines certain enjoy increase usage because gain pro peller efficiency comes greater diameter pitch lower noise level Enya has just announced its latest four-stroke 90 weight 29 oz output Ito 13 hp thus adding another entry field large engines Scale models Magnum Condor Webra Saito twin number years ducted-fan enthusiasts have asking rule change permit modi fication air entry duct have additional area greater scale size reasoned increase similar rule permits flying propeller replace scale prop after static judging accepted rule follows Additional air entries permitted provided covered movable hatches static judging hatches may moved opened manually prior flight flight means radio con trol appearance model flight must affected Having attended six FAI ClAM meet ings become programmed think group somewhat inflexible some re spects image persists However two national delegates 29 percent cast votes against acceptance foregoing rule changes extensive recent memory Willingness accept inevitable change betterment intemational Scale competition certainly demonstrated Paris Side trips own expense highlights annual trek Paris Yeovilton Royal Naval Air Station southwestem England again itinerary because heard Fleet Air Arm Museums new exhibit Falklands War displayed captured aircraft Bell Jet Ranger helicopter Argentine markings Another display twin turbo-prop ground Continued page 124 Spring Special-Limited Chance Save T-Shirts-Order get second 1/2 price Free personalization limit 6 letters Steerman Bipe rect Print Sportswear no heat transfer Wide Choice Colors-Sizes XS 5 M 1 XL Satisfaction guaranteed money back Best Custom Screened Sports wear See us Mint Julep Jackets $21 95 Baseball Shirts $895 Coaches Shirts $1295 Ladies Tops $995Shorts $595Sweatshirts $1195 Football Jerseys S895T-Shirts $695 Hats-Ask Details Send SASE BrochurerI now accept Master Card/VISA TO ORDER Send check money order add 10% post/hand OR--CALL COLLECT after 4 pm EST write toMD res add 5% sales tax Phase Art T-Shirt People 17102 Earlham Ct Upper Marlboro MD 20772 301-627-5118 j April 1983 45 Ed Wissers beautiful 88-in-span Dh 82C Tiger Moth built Bud Barkley kit weighs 21 lb Quadra-powered cockpits modeled after prototype craft Evans Dietrich won EAA award Fuel tank wing center section engine cowl fiberglass Finish yellow dope over Sig Koverall black-painted portions Rust-OleumI TireAvailable Most Sizes Covers $1495 Designs Available Gee Bee iss Jenny rman Pt 17 er DVII sten Eagle s Special Citabria utive Beech Slogans Fly Seat Pants udder Flying ather Flying s Frequency Quickee ern Fliers Make Smooth Passes Limit Airplanes ng Gives Lift ts Are Just Plane People Special Air About /tc77S UPER-MICRO WORLDSRadio Control SMALLEST SERVO Rx & COMPLETE R/C SYSTEM SUPER-MICRO Servo 47oz~64x3l/32 x 13/32 lSozn oil positivedeJAlOO Rx 4CM max48X4ght 54oz ~mpatible g MN R eI Tx other makes ITEMSYSTEMSP~KS 2CH 29oz 3CM oz 4CH \299521695 388 oz 5CM3089521995 416 oz *SERVO $3495 MICRO RX $81 954 CM *Micro Deans plug others $250 extra I SHIPPING Systems $650 Flite Packs $450 ServosRx $300 VISA Calif add Sales Tax 20% deposit C 0 Ds Brochure 7& I j US $200 Foreign CASH DISCOUNT PRICES SHOWN 13400-26_Saticay StreetNorth Hollywood Calif 91605FIre linois Radio Society newsletter edited Bill Siebenhaar neat idea locating lost airplanes Ill let Bill tell about next year should have bugs worked out new lifting unit consisting helium cylinder weather balloon puncturing de vice Upon impact 10 Gs firing pin strikes small cylinder compressed helium thus filling large weather balloon Attached balloon 50 feet lightweight fishing line theory balloon will rise 50 foot altitude allowing downed aircraft found Did just feel leg being pulled Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued oaae 45 attack airplane FMA Pucara captured intact Unlike Argentina news war remains suppressed British making success Falklands hostilities hall museum features immense photo enlargements action descriptive cap tions two captured aircraft Westland Wessex helicopter carried out heroic duty battle Yeovilton Airfield busy site Royal Navy flight training air traffic constant flow action Hawker Harriers Hunters English Electric Canherras types easily recognized along sortment helicopter types Royal Air Force Museum Hendon north London expanding again new addition old hangars house main museum will used display bombers near completion November 1982 some planes already place separate Battle Britain hall opened four years ago contains both Allied Axis warplanes museum bookshop loaded printed material interest model ers including both new old Profiles picked up 1978 Royal Air Force Yearbook $240 dozens cutaway drawings hundreds photos color renditions planes WW through todays jets try travel light weight paper kept purchases down Sopwith /2-Strutter built Vivian Bell amy Lands End airport now display com pletely recovered presumably because mu seum prefers fireproof finish nitrate dope no longer prop 30 caliber bullet hole Other new exhibits Hanriot pursuit American-made Fokker D-VII re production seen previously Oshkosh made first visit Brussels Air Mu seum Europe surpassed size Hendon Paris museums planes dis played immense building leftover Worlds Fair large enough zeppelin hangar vast areas glass simplify pho tography After taking few color slides abruptly informed photos forbidden some obscure reason having com mercialism seems museum operated volunteer workers money gifts Since commerce contributes nothing com mercial photographers arent welcome con vinced cuyator interests strictly modeling given permission take photos liked Brussels Cinquantenaire Park Museum takes pride originals WW earlier aircraft reproductions Although some ap peared have extensively restored others original fabric covering gold information Scale modelers Two photo-recon German WW planes used trainers Belgians LVG C VI Halberstadt C V both original 200 hp Benz engines WW pursuit planes included Sopwith Camel F Spad 13 CI Nicuport 17 Cl Hanriot HDI center main floor recently restored tapered shoulder-wing homebuilt dated 1934 Kreit KL 2 3-cylinder Anzani engine crew vigorously handcranking effort start Imagine surprise possibly ancient engine suddenly coughed life ran few seconds wouldnt expect see sort thing other mu seum fire extinguishers handy Total quantity planes could over 100 tiny single place Tipsy S-2 way up Fairchild C-I 19 Packet good represen tation WW II military aircraft also assortment post-war examples including Re public F-84G Hawker Hunter F-4 Gloster Meteor F-8 Really rare aircraft Farman Fl l-A2 deHavilland Mosquito NF-30 Royal Aircraft Factory RE8 Time too short absorb presented Aircraft being acquired faster rate can made presentable kept clean condition Most needed dust removal side trip England included visits mod eling friends Mike Whittard lives Nympsfield Cotswolds small house closet size workshop tiny space Mike builds Giant Scale models newest 10-ft-span Westland Widgeon parasol Magnum 91S four-stroke engine powermore enough 20-lb plane using UHF Cots wold radio equipment above 400 MHz tiny 4-in stub transmitter antenna can removed model flight loss signal Other Giants Mikes collection CAP 20 Gee Bee Another visit home Group Captain James Pelly-Fry builder other Douglas A-20 Boston similar model James flew prototypes WW II commander 88 Squa dron amassed impressive record mis sions over Europe some ended neardisasters hopeful James will write story magazines preferably MA about modeling experiences dating back 1930 connection between interest model Boston wartime flying James lives small town Fivehead near Taunton Somerset leading quiet life comparison historic past home modem small enough needed build additional one-room workshop near back door shop haven place exercise natural bent inventiveness formerly used battle RAF now flies Sailplanes oper ating wing slots recently recording airspeed-indicator visiting introduced Da vid Parker another inventive genius showed us successfully-flown steam engine model planes one-cylinder engine alcoholfueled flash boiler uses propeller slipstream augment boiler draft Most structure light stainless steel Another Davids products completely scratch-built four-stroke twin Royal Air Force colors Petit Paint Co makers Hobbypoxy received formulas aircraft action during early stages WW II 1940 41 includes Battle Britain Most Hurricanes early models Spitfire finished colors upper surfaces painted dark earth dark green lower surfaces painted sky type S Dark earth 4 parts H65 bright red 2 parts H49 Cub ycllow part Continued page 126 124 Model Aviation STEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96% Spon 2 Scale 60 Engines 64% Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 OtSe desigs ae al Kits ars otfered GRAPHICS THE ROLLS ROYCE OF NUMBERS & LETTERS THEY STAY ON EVEN WHEN DRENCHED U WITH FUEL MICRO-THIN CAST VINYL PEEL EM OFF & STICK EM ON C@4/ERflE i L A9A gd-,tn, Rd Hnrham PA 19044 USA Send S200 refundable first purchase catalogue price list See local dealer order direct pay postage handling shipments CLARK INDUSTRIES H81 black part 1170 gray Dark green 6 parts H66 dark red 2 parts H33 Stinson green part H49 Cub yellow part H81 black part HIO white Sky type 5 5 parts RIO white part H26 light blue part H70 gray colors Hobbypoxy stock Bob Dolly Wiseher 5-221 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 46 airfoil Gerbers original airfoil threeviews will appear next month Meanwhile youll get idea bird picture youre school pivots wings thats OK its small school keeping hinge lines clean has concern attempting keep wing surfaces unbroken air flows uninterrupted best hinge line flaps ailerons concave/convex joint wherein convex leading edge control surface mates convex section wing type joint nearly impossible match hand tapered wing takes real craftsman fashion straight wing other photo shows wing root another Swiss design has around since 1980the Piranha first Sailplanes seriously designed F3B using Eppler 214 airfoil beginning Piranha gave designer fits before fliers felt out advantages flapped airfoil now three years later realizing full potential airfoil plane Both electroflight version original Sailplanes doing just fine Three-views bird will also appear next month meantime wing root section shows solve hinge line problem using tape MonoKote works fine flap full span underside wing flap joint wing flap joint upper side always closed regardless flap position Note cutout wing trailing edge section leading edge shape flap makes whole action possible added feature adaptable flap root/fuselage joint note what ap pears excess material hangs fuselage side flap material Mono Kote about 3/16 inch hangs over wing position against fuse lage MonoKote overhang makes tight joint forms small fillet against fuselage As flap moves fillet just wipes fuse lage preventing air gap thereby preventing added drag picture worth thousand words next series shots should prove axiom Mold-making seems state art wing-making forums evidence Some modelers have gone through pains produce just modelsome quarter-scale variety builders arguments Once have mold its easy reproduce wing stab whatever know replace ment exact duplicate original can afford time cost such ventures Several months several hun dreds dollars have spent projects such Spartakus Dassel 800 hours Spartakus molds Enter Helmut Webren same gent engineered Spartakus molds new method wings reduces mold-making down just few hours easy steps 1 Cut have cut foam wing tail section used model 2 Put aside cores kgep beds saddles 3 Get sheet aluminumWebren uses 012and prepare bending over sharp edge first sequence photos 4 Using straight piece extruded alu minum bend sheet down gently forming defined crease second sequence photo 5 Carefully work shett back against itself using straight-edge tool making sure allow sheet flow shape crease back Third sequence photo 6 Holding sheet together squeezing creased side closed run sanding block back forth along creased edge several strokes Fourth sequence photo 7 Using two straight edges open fold sheet will separate sanded crease Next to-last sequence photo 8 final photo sequence shows upper lower wing skins will now glued wing core beds aluminum skins provide finished sur faces beds form molds until now took epoxy aforementioned hours work Reinforce foam beds angle alu minum straight wooden frames start laying up glass wings stabs Soar Tech 1SF Sounds like theyre both right track benefit us Also sounds like theres room NSS LSF interested soaring group sponsor weekend forum like ISFs right USsomething like old DC/RC Symposium Anybody interested just ready sign piece off following came mail youre ham radio fan will RC Glider Net Monday evenings Time 2330 Zulu Frequency 7240 mHz Net Control Bob Summers W8BBY 126 Model Aviation Designed R/C Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird esactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OW BIRD bird big gest best has rock steady pattern performance hats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 feet rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062