The finished model ready flight color scheme little details such aileron outlines pilot 1 V2-in Williams Brothers strument panel registration numbers combine create illusion full-scale aerobatic biplane rather just 1/2A CL model BIPLANES have always held special traction modeler Theres some thing about airplane two wings fastens attention Biplanes came along during period barnstormers air shows flourished Aviation still glamorous exciting days biplanes contributed much its develop ment Though Ive built quite few two-wingers over years never tire classical appearance Since Im longtime pilot aviation en thusiast wanted Cox Special resem ble full-size airplane closely possi ble meant using built-up fuselage wings making engine fully enclosed possible model relatively easy build same time keeping airplane small using size engine drives down cost building flying models resemblance Pitts Spe cial EAA Biplane shouldnt sur prising Most inspiration came Cox two airplanes models name spin-off Pitts Special still consid ered finest aerobatic airplanes world friend Mr C B Messer owns flies Pitts two us have logged few hours FAA Bi plane well Construction youre new building plans look over carefully re view text before begin construction Since model follows basic construction procedures everything should fairly straightforward youve built few models plans already used standard off-the-shelf balsa around 6- 8-lb stock little se lective youre looking maximum per formance Since its small model 4- 6lb stock can used parts main thing remember stay away wood thats brittle hard kind thats soft mushy Except epoxy called Special lines both Pitts Special text aliphatic resin adhesive used throughout model yellow aliphatic glues also known carpenters glue sand much better white glues Try overdo epoxy used glue heavy strong principle applies glue joints structure Tight-fitting joints thin coat glue mating surfaces pro duce strong lightweight model Large blobs glue add excessive weight de tract final appearance air plane Make sure building board what ever its material warp free firm enough hold pins securely place local building supply store should have suit able material Tail surfaces Since parts take less time build usually make first Cut stabilizer elevator fin rudder %2 sheet balsa decide use ny lon hinges carefully cut out hinge slots used small Du-Bro hinges proto type outboard hinges fit el evator will need cut little short Cloth hinges can used instead theyre somewhat easier install dont look nice use sure install elevator horn beforehand elevators joined together -in dowel EAA Biplane can seen classy semiscale Control Line biplane Construc tion straightforward uncomplicated yet model quite eye-catcher flying circle U David FortunaI 70 Model Aviation Wings Dont turned off idea building two wings Two dont take much time build theyre twice much fun Personally like build ing wingsthe better Both wings built piece no dihedral Building bottom wing first gin shaping 1/ x /2-in trailing edge stock sanding block Alternatively may use formed trailing edge material Pin down leading edge spar trail ing edge glue ribs place gluing double strut ribs insert scrap 4-in balsa between act tempo rary spacer three center ribs under cut /16 top allow center sec tion sheeting Glue /s-in balsa wing tips place ing sure raise / shown Glue 4-in triangular stock place against tip ribs leading edge Once glue completely dry remove wing building board Add /16 balsa center section sheeting top Glue /16 balsa strip between dou ble strut ribs making sure its flush bottom Sand leading edge wing tips shape Glue 4 oz lead place right bottom wing before covering Build top wing Pin down leading edge spar trailing edge did bottom wing Glue x balsa center section trailing edge Add ribs wing tips trimming three center ribs rear proper fit Add A-in balsa piece cen ter section struts will fitted wing strut A-in dowel glued slot wing strut fairings /16 plywood lead-out guide epoxied left wing strut completed wing struts will glued place after wing has covered Fuselage Cut sides /16 balsa mark location formers Glue /16 balsa doublers along bottom between formers F2 F5 Dont forget make left right side Cut out two holes left side lead-outs Cut out slot pushrod exit right side Glue A-in-sq balsa along top fuselage sides letting overhang /16 shown Glue F4 place allow dry glue F5 F6 F7 Glue tail gether Bend landing gear wires 062 music wire making main gear fits F2 first Draw gear outline F2 drill holes landing gear lac ing /16 No 59 drill bit Sew gear place /2A Dacron flying line carpet thread Apply epoxy gear wire thread glue F2 place Glue formers F3 F3A together spot glue place fuselage Left partially assembled fuselage prior sheeting top 2 balsa adding nose side blocks bellcrank control wires installed Note 1/ x /2-in balsa strips between Fl F3 F4 mounting holes drilled center struts 2-56 blind nuts already installed firewall Right main landing gear has bent shape sewn former F-2 V2A Dacron flying line landing gear Dacron line coated epoxy CyA cyanoacrylate assembly glued place fuselage structure April 1990 71 top view shows trim pattern wings some cockpit details Covering lightweight silkspan good quality tissue will work well Iron-on coverings tend warp lightweight structures good finish color scheme really shows off model photo shows Cox Baby Bee engine installation Cox 5/2-in prop used Ace 1-in spinner dress things up lead-out lines made up 025 music wire Full-Size Plans Available See Page 196 C---1111 1] 4ABA 1/4 TRIANGULAR BASA6 SA LEADING EDGE 1/16BALSA III I II I II I/lA COVERING TOP ONLY 1/RD 1/4 BALSA SPAR p 1/B V 1/2 BALSATRAILING EDGE B BALSA r / I/lA BALSA WING TIP WRIGHT GOES HERR WING TIP DETAIL COVERING RAISE TIE SF 1/B UNDERCUT 3 RIBS 1/16 3B RIBS /16 BALSA 1/B DOWL 0 0 1/lA PLYWGGO LEADOUT GUIDE 1/BRALSA LEFT WING ONLY BALSA BLOCKSMALL FEREECT BBELCRANEI/B DO BALSA/ELEVATOR HORN I/IA PLY 0772m ZLISsSSSS NYLON HINGES _lIizG,7\~ ELEVATOR HORN ___j TI -IItrCl 11TRIM HINGE OFFSET II RUDDER 3/IAL - CGHOLES FOR CENTRE STRUTS WINDSPIELDI -TAIL SYRFACED 3/32 BALSA1/B DOWL TAIL GEAR 023 MWP2 COT BABE BEE BALSA BLOCK/I-BEND LINRS SEW GEAR TO F2&F3A 062 MUSIC WIRE BRASSI/lA BALSA DOYBLERIIA BA SACOX SPECIAL 1/16 BALSA FILLBELLCRANK CUTOSTII I00 WHEEL3/32 BALSADESIGNED AND DRAWN RD DAVID FOBTUNA 3~7j--I F IFYFA________________________________________ COCKPIT OPENINGMOUNTING FlF2F3A1/16 BALSAI/lA BALSAWINOSFAN 24ENGINE OUT PATTERNHOLESFORCOX3/32 FLY1/lAFLYI/IA PETIL1K123456 BABE BEE 649 LINESPUSHEOD CUTOUTS___________________________________ ALSA BLOCK easiest way bend rear gear wire make pattern beforehand using soft wire such florists wire After making ad justments necessary good fit bend rear gear itself out 062 music wire Once youre satisfied fit mark gear outline F3 Break former fuselage join gear F3 before glue place dry bind gear legs together soft copper wire solder legs together Drill /32 hole plywood bellcrank plate Slide plate place glue well Bend pushrod lead-out lines music wire Add lead-out lines bellcrank mount assembly fuselage Add pushrod securing bellcrank copper wire drop solder Temporarily place stabilizer elevator position hook up pushrod check control system smooth operation Drill mounting holes firewall 2-25 blind nuts After installing blind nuts put little epoxy backs added security Glue fire wall place add A-in-sq balsa top stringers Bend tail gear 025 music wire epoxy piece /32 plywood Glue inside fuse lage flush sides Cut /8 x 2 x 4A-in fuselage bottom block rough shape glue place along nose side blocks /8 x /2in balsa strips center sec tion struts will mounted glued between Fl F2 F3 Sheet fuselage top /32 sheet balsa Its best use two pieces join along fuselage top cut sheeting bend around cockpit area contours change Glue piece /RB balsa between fuse lage sides mounting stabilizer Sheet fuselage bottom Sand nose section shape locate drill holes center section struts Glue stabilizer place add filler block sand shape Glue fin place Make paper pattern cockpit outline lightly cement place Care fully cut around pattern cockpit opening Glue bottom wing place checking alignment beforehand 72 Model Aviation Continued page 168 Above The finished sanded upper lower wing panels wing tip weight has epoxied lower right wing tip Note double ribs struts attach Right finished model prior covering cockpit opening cut out after sheeting fuselage top top wing wing struts rudder elevator glued place after structure has finished covered NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS L Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales 1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA 181 PAWNEE STREET fLL~SAN MARCOS CALIFORNIA 92069 SATELLITE FREE FLIGHT KITS 226 Gas Full Kit $24 95 320 Gas Full Kit $27 95 450 A-B Gas Full Kit $39 95 788 B-C-I Gas Pro Kit $44 95 788 B-C-I Gas Full Kit $64 95 FREE CATALOG Send se add essed S amped envelope address Shown Ode s Shpped Pre-paid coo Ado $2 55 Shipping Handling Sport AerobaticKit includes roiled plans cut end sanded parts formed 'ICileen Sweep ing gear wheel steerable tell wheel bracket 55other basic spanhardware 51 length 4 channel 14/2 swept wing Symetrical Airfoil Engine 45 602 cy 317 525-9074 Crenshaw AeroRR 1 Box 121 ManIlla IN 46150 demands require top fitness would still fly ing FAT could keep up around pylon Speed trials team represent US 1990 World Championships also held Dayton Four contestants entered wind rain tough luck hard models Carl Dodge new state-of-the-art model thin high-aspect-ratio wing stabilizer laminated carbon fiber stiffness immaculate homemade engine crashed han dle line connector failed Carl has turning world-class speeds model managed rebuild second team trials Califor nia Bill Hughes Bolingbrook tL qualified 14620-mph speed Dayton upped enough third man US team has flights over 170 has really worked hard get has trying several years has paid own way World Cham pionships twice just learn observe has gradually improved speeds until made team John Newton other team member Ed Gifford turned 13654 time Dayton Raul Diaz multitude troubles Bill Hughes few relatively young Speed fliers left speed model ing hurting due lack young competi tors kids out playing video games know almost nothing about building fly ing airplanes buying RC cars because requirement bolt things gether lot people talking about Junior problem dont think anyone knows what about ft difficult get anyone started competi tion events highly sophisticated leave nothing beginner gan 21 Sport Speed event tts low-key easy fly easy build requires equipment readily available Try try get others terested Texas boys have event similar ob jectives called Sport Jet Speed rules specify stock Jet engines two-line controls stan dard fuel Speeds around 140 mph no great talent required fly ft sounds good t think Ill build Ill get informa tion future column Cox Special/Fortuna Continued page 72 Fill cracks imperfections balsa filler smooth down fuse lage parts 320-grit sandpaper care ful around turtledeck since balsa Visa MC Other Kits Avail Write free cat /32 thick area Epoxy / balsa between landing gear legs add drain tube under fuselage bottom Fuelproof firewall inside cowling coat epoxy glue fiberglass res being careful keep off blind nuts Covering final assembly used light weight silkspan cover wings Sig Manufacturing Company carries light weight Japanese tissue called Lite-Flite plyspan tissue will also work well Lite-Flite comes variety colors can applied wet like silkspan dont recommend using iron-on covering since can warp lightweight structure its shrunk too much Before applying silkspan brush two coats clear dope areas cov ered Lightly sand dope 400-grit pa per dry Apply silkspan grain runs spanwise covering wings always wet silkspan before applying Once wrinkles worked out brush clear dope through silkspan along leading edge trailing edge tips wing strut openings cut out after wing has completely covered covered fuselage tail surfaces give model better finish optional final finish brushed three coats clear dope model followed three coats dope talcum powder After sanding down well sprayed sev eral coats colored dope trimmed model resemble aerobatic biplane typically sports flashy paint scheme final coat clear dope sprayed protect finish add gloss lightweight model three coats dope would acceptable finish youre using nylon hinges eleva tor epoxy place before installing elevator careful get epoxy hinge pins Install elevator glue rudder place offsetting about 3/ right An open-cockpit model needs pilot controls look authentic used Wil liams Bros 1 t/2.in scale standard pilot al though doctor poor guy cut ting off shoulders little make him fit Before gluing top wing check 168 Model Aviation 4 WRIGHT J-5 WHIRLWIND PreBuilt MV-i Typhoon * Designed Ron Chidgey *100% Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 100% built up construction precision jigs * b Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODGRAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 114 inch hole 1000k tested Custom cable lengths availble upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SNIPPING & HANDUNG proper alignment mounting out board wing struts dry fitting place Once youre satisfied alignment glue struts place allow thor ough drying center section struts A-in dowels cut pro trude about /8 fuselage wing Paint dowels before gluing place Cut windshield thin plastic epoxy place model uses commer cial 1 -in rubber wheels tic wheels available Sig would considerably lightweight Fi nally install engine check center-of-gravity Flying preflight check make sure controls operate smoothly used Cox gray 5 /2 x 4-in-pitch propeller together Ace 1-in spinner Wait until no wind blowing make first flights use 30-ft lines Because greater wing area higher drag biplanes custom arily cant handle much wind other air planes compensation theres certainly nothing prettier air dont live near well-stocked hobby shop everything youll need build fly Cox Special can purchased di rectly Sig Manufacturing Company 401 South Front Street Montezuma IA 50171 Refer companys catalog costs $3 current prices stock numbers happy landings FF Duration/Murphy Continued page 75 Unless t am mistaken intent original Nostalgia Gas concept utilize engines power equivalents era well its model designs produce representative power flight characteristics associated spec ified time frame hope philosophy theorem does become lost shuffle popularity NosGas events increases time probably good spot com pliment Ralph Prey Bob Larsh maintain ing positions stern disciplinarians capacities guardians NFFS Nostagia Gas rule book Whether game toy aero planes stud poker concessions might permitted loopholer contaminated game might become either case should winnings begin shift di rection nonconformist regular basis dangers possibly some other players could become disenchanted possibly quit game altogether Ralph Bob have continually taken deliber ate steps thwart offbeat rules interpreta tions regard issuing ongoing decisions questionable designs along model con struction guidelines clarifications ac companied official NFFS Design Engine Availability lists latest information accounts avail able cost sending $175 Bob Larsh 45 South Whitcomb Ave Indianapolis IN 46241 Hot off presses January last Book #3 contains latest clarifications design list ings interested Contest Directors contes tants alike may wish order copies com ing contest season Also basic rule change under consid eration time proposal change NosGas Ignition event special event status official event event has around two three flying seasons has en joyed increasing participation especially Midwest NosGas buffs Whereas some have always felt vintage ignition-engine competition should appropriately fall under protective wings Society Antique Modelers SAM SAM folks have repeatedly shown little interest recognizing second half ignitionpowered erathat published kitted ignition-engine-powered designs 1942-50 years rate relatively new NosGas Ignition activity certainly signifying defi nite vital signs interest within vintagemodeling community New rule proposals AMA Gas classes seem have low ebb some time say constructive revisions required likely viable solu tions problems readily apparent Although wish present myself national guru matter observation domestic competition AMA Power classes B C D present mixed bag some geographical areas Using Midwest case point would appear past couple years event par ticipation power classes has generally fall en off considerably some larger contests Often uncontested trophies events left tables after close award ceremonies area regional conApril 1990 169 j 5 PING&HANDLING HAS MOVED INTO LARGER QUARTERS 21658 Cloud Way Hayward CA 94545 CAL 415 783-4868 Out CAL 800 482-8663 proud announce TATONE PRODUCTS CORPORATION has acquired CB ASSOCIATES PRESIDENT TATONE PRODUCTS CORP CE LCE p1 OCO 14VYh p o box 5631Iresno 05 93755
Edition: Model Aviation - 1990/04
Page Numbers: 70, 71, 72, 168, 169
The finished model ready flight color scheme little details such aileron outlines pilot 1 V2-in Williams Brothers strument panel registration numbers combine create illusion full-scale aerobatic biplane rather just 1/2A CL model BIPLANES have always held special traction modeler Theres some thing about airplane two wings fastens attention Biplanes came along during period barnstormers air shows flourished Aviation still glamorous exciting days biplanes contributed much its develop ment Though Ive built quite few two-wingers over years never tire classical appearance Since Im longtime pilot aviation en thusiast wanted Cox Special resem ble full-size airplane closely possi ble meant using built-up fuselage wings making engine fully enclosed possible model relatively easy build same time keeping airplane small using size engine drives down cost building flying models resemblance Pitts Spe cial EAA Biplane shouldnt sur prising Most inspiration came Cox two airplanes models name spin-off Pitts Special still consid ered finest aerobatic airplanes world friend Mr C B Messer owns flies Pitts two us have logged few hours FAA Bi plane well Construction youre new building plans look over carefully re view text before begin construction Since model follows basic construction procedures everything should fairly straightforward youve built few models plans already used standard off-the-shelf balsa around 6- 8-lb stock little se lective youre looking maximum per formance Since its small model 4- 6lb stock can used parts main thing remember stay away wood thats brittle hard kind thats soft mushy Except epoxy called Special lines both Pitts Special text aliphatic resin adhesive used throughout model yellow aliphatic glues also known carpenters glue sand much better white glues Try overdo epoxy used glue heavy strong principle applies glue joints structure Tight-fitting joints thin coat glue mating surfaces pro duce strong lightweight model Large blobs glue add excessive weight de tract final appearance air plane Make sure building board what ever its material warp free firm enough hold pins securely place local building supply store should have suit able material Tail surfaces Since parts take less time build usually make first Cut stabilizer elevator fin rudder %2 sheet balsa decide use ny lon hinges carefully cut out hinge slots used small Du-Bro hinges proto type outboard hinges fit el evator will need cut little short Cloth hinges can used instead theyre somewhat easier install dont look nice use sure install elevator horn beforehand elevators joined together -in dowel EAA Biplane can seen classy semiscale Control Line biplane Construc tion straightforward uncomplicated yet model quite eye-catcher flying circle U David FortunaI 70 Model Aviation Wings Dont turned off idea building two wings Two dont take much time build theyre twice much fun Personally like build ing wingsthe better Both wings built piece no dihedral Building bottom wing first gin shaping 1/ x /2-in trailing edge stock sanding block Alternatively may use formed trailing edge material Pin down leading edge spar trail ing edge glue ribs place gluing double strut ribs insert scrap 4-in balsa between act tempo rary spacer three center ribs under cut /16 top allow center sec tion sheeting Glue /s-in balsa wing tips place ing sure raise / shown Glue 4-in triangular stock place against tip ribs leading edge Once glue completely dry remove wing building board Add /16 balsa center section sheeting top Glue /16 balsa strip between dou ble strut ribs making sure its flush bottom Sand leading edge wing tips shape Glue 4 oz lead place right bottom wing before covering Build top wing Pin down leading edge spar trailing edge did bottom wing Glue x balsa center section trailing edge Add ribs wing tips trimming three center ribs rear proper fit Add A-in balsa piece cen ter section struts will fitted wing strut A-in dowel glued slot wing strut fairings /16 plywood lead-out guide epoxied left wing strut completed wing struts will glued place after wing has covered Fuselage Cut sides /16 balsa mark location formers Glue /16 balsa doublers along bottom between formers F2 F5 Dont forget make left right side Cut out two holes left side lead-outs Cut out slot pushrod exit right side Glue A-in-sq balsa along top fuselage sides letting overhang /16 shown Glue F4 place allow dry glue F5 F6 F7 Glue tail gether Bend landing gear wires 062 music wire making main gear fits F2 first Draw gear outline F2 drill holes landing gear lac ing /16 No 59 drill bit Sew gear place /2A Dacron flying line carpet thread Apply epoxy gear wire thread glue F2 place Glue formers F3 F3A together spot glue place fuselage Left partially assembled fuselage prior sheeting top 2 balsa adding nose side blocks bellcrank control wires installed Note 1/ x /2-in balsa strips between Fl F3 F4 mounting holes drilled center struts 2-56 blind nuts already installed firewall Right main landing gear has bent shape sewn former F-2 V2A Dacron flying line landing gear Dacron line coated epoxy CyA cyanoacrylate assembly glued place fuselage structure April 1990 71 top view shows trim pattern wings some cockpit details Covering lightweight silkspan good quality tissue will work well Iron-on coverings tend warp lightweight structures good finish color scheme really shows off model photo shows Cox Baby Bee engine installation Cox 5/2-in prop used Ace 1-in spinner dress things up lead-out lines made up 025 music wire Full-Size Plans Available See Page 196 C---1111 1] 4ABA 1/4 TRIANGULAR BASA6 SA LEADING EDGE 1/16BALSA III I II I II I/lA COVERING TOP ONLY 1/RD 1/4 BALSA SPAR p 1/B V 1/2 BALSATRAILING EDGE B BALSA r / I/lA BALSA WING TIP WRIGHT GOES HERR WING TIP DETAIL COVERING RAISE TIE SF 1/B UNDERCUT 3 RIBS 1/16 3B RIBS /16 BALSA 1/B DOWL 0 0 1/lA PLYWGGO LEADOUT GUIDE 1/BRALSA LEFT WING ONLY BALSA BLOCKSMALL FEREECT BBELCRANEI/B DO BALSA/ELEVATOR HORN I/IA PLY 0772m ZLISsSSSS NYLON HINGES _lIizG,7\~ ELEVATOR HORN ___j TI -IItrCl 11TRIM HINGE OFFSET II RUDDER 3/IAL - CGHOLES FOR CENTRE STRUTS WINDSPIELDI -TAIL SYRFACED 3/32 BALSA1/B DOWL TAIL GEAR 023 MWP2 COT BABE BEE BALSA BLOCK/I-BEND LINRS SEW GEAR TO F2&F3A 062 MUSIC WIRE BRASSI/lA BALSA DOYBLERIIA BA SACOX SPECIAL 1/16 BALSA FILLBELLCRANK CUTOSTII I00 WHEEL3/32 BALSADESIGNED AND DRAWN RD DAVID FOBTUNA 3~7j--I F IFYFA________________________________________ COCKPIT OPENINGMOUNTING FlF2F3A1/16 BALSAI/lA BALSAWINOSFAN 24ENGINE OUT PATTERNHOLESFORCOX3/32 FLY1/lAFLYI/IA PETIL1K123456 BABE BEE 649 LINESPUSHEOD CUTOUTS___________________________________ ALSA BLOCK easiest way bend rear gear wire make pattern beforehand using soft wire such florists wire After making ad justments necessary good fit bend rear gear itself out 062 music wire Once youre satisfied fit mark gear outline F3 Break former fuselage join gear F3 before glue place dry bind gear legs together soft copper wire solder legs together Drill /32 hole plywood bellcrank plate Slide plate place glue well Bend pushrod lead-out lines music wire Add lead-out lines bellcrank mount assembly fuselage Add pushrod securing bellcrank copper wire drop solder Temporarily place stabilizer elevator position hook up pushrod check control system smooth operation Drill mounting holes firewall 2-25 blind nuts After installing blind nuts put little epoxy backs added security Glue fire wall place add A-in-sq balsa top stringers Bend tail gear 025 music wire epoxy piece /32 plywood Glue inside fuse lage flush sides Cut /8 x 2 x 4A-in fuselage bottom block rough shape glue place along nose side blocks /8 x /2in balsa strips center sec tion struts will mounted glued between Fl F2 F3 Sheet fuselage top /32 sheet balsa Its best use two pieces join along fuselage top cut sheeting bend around cockpit area contours change Glue piece /RB balsa between fuse lage sides mounting stabilizer Sheet fuselage bottom Sand nose section shape locate drill holes center section struts Glue stabilizer place add filler block sand shape Glue fin place Make paper pattern cockpit outline lightly cement place Care fully cut around pattern cockpit opening Glue bottom wing place checking alignment beforehand 72 Model Aviation Continued page 168 Above The finished sanded upper lower wing panels wing tip weight has epoxied lower right wing tip Note double ribs struts attach Right finished model prior covering cockpit opening cut out after sheeting fuselage top top wing wing struts rudder elevator glued place after structure has finished covered NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS L Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales 1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA 181 PAWNEE STREET fLL~SAN MARCOS CALIFORNIA 92069 SATELLITE FREE FLIGHT KITS 226 Gas Full Kit $24 95 320 Gas Full Kit $27 95 450 A-B Gas Full Kit $39 95 788 B-C-I Gas Pro Kit $44 95 788 B-C-I Gas Full Kit $64 95 FREE CATALOG Send se add essed S amped envelope address Shown Ode s Shpped Pre-paid coo Ado $2 55 Shipping Handling Sport AerobaticKit includes roiled plans cut end sanded parts formed 'ICileen Sweep ing gear wheel steerable tell wheel bracket 55other basic spanhardware 51 length 4 channel 14/2 swept wing Symetrical Airfoil Engine 45 602 cy 317 525-9074 Crenshaw AeroRR 1 Box 121 ManIlla IN 46150 demands require top fitness would still fly ing FAT could keep up around pylon Speed trials team represent US 1990 World Championships also held Dayton Four contestants entered wind rain tough luck hard models Carl Dodge new state-of-the-art model thin high-aspect-ratio wing stabilizer laminated carbon fiber stiffness immaculate homemade engine crashed han dle line connector failed Carl has turning world-class speeds model managed rebuild second team trials Califor nia Bill Hughes Bolingbrook tL qualified 14620-mph speed Dayton upped enough third man US team has flights over 170 has really worked hard get has trying several years has paid own way World Cham pionships twice just learn observe has gradually improved speeds until made team John Newton other team member Ed Gifford turned 13654 time Dayton Raul Diaz multitude troubles Bill Hughes few relatively young Speed fliers left speed model ing hurting due lack young competi tors kids out playing video games know almost nothing about building fly ing airplanes buying RC cars because requirement bolt things gether lot people talking about Junior problem dont think anyone knows what about ft difficult get anyone started competi tion events highly sophisticated leave nothing beginner gan 21 Sport Speed event tts low-key easy fly easy build requires equipment readily available Try try get others terested Texas boys have event similar ob jectives called Sport Jet Speed rules specify stock Jet engines two-line controls stan dard fuel Speeds around 140 mph no great talent required fly ft sounds good t think Ill build Ill get informa tion future column Cox Special/Fortuna Continued page 72 Fill cracks imperfections balsa filler smooth down fuse lage parts 320-grit sandpaper care ful around turtledeck since balsa Visa MC Other Kits Avail Write free cat /32 thick area Epoxy / balsa between landing gear legs add drain tube under fuselage bottom Fuelproof firewall inside cowling coat epoxy glue fiberglass res being careful keep off blind nuts Covering final assembly used light weight silkspan cover wings Sig Manufacturing Company carries light weight Japanese tissue called Lite-Flite plyspan tissue will also work well Lite-Flite comes variety colors can applied wet like silkspan dont recommend using iron-on covering since can warp lightweight structure its shrunk too much Before applying silkspan brush two coats clear dope areas cov ered Lightly sand dope 400-grit pa per dry Apply silkspan grain runs spanwise covering wings always wet silkspan before applying Once wrinkles worked out brush clear dope through silkspan along leading edge trailing edge tips wing strut openings cut out after wing has completely covered covered fuselage tail surfaces give model better finish optional final finish brushed three coats clear dope model followed three coats dope talcum powder After sanding down well sprayed sev eral coats colored dope trimmed model resemble aerobatic biplane typically sports flashy paint scheme final coat clear dope sprayed protect finish add gloss lightweight model three coats dope would acceptable finish youre using nylon hinges eleva tor epoxy place before installing elevator careful get epoxy hinge pins Install elevator glue rudder place offsetting about 3/ right An open-cockpit model needs pilot controls look authentic used Wil liams Bros 1 t/2.in scale standard pilot al though doctor poor guy cut ting off shoulders little make him fit Before gluing top wing check 168 Model Aviation 4 WRIGHT J-5 WHIRLWIND PreBuilt MV-i Typhoon * Designed Ron Chidgey *100% Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 100% built up construction precision jigs * b Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODGRAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 114 inch hole 1000k tested Custom cable lengths availble upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SNIPPING & HANDUNG proper alignment mounting out board wing struts dry fitting place Once youre satisfied alignment glue struts place allow thor ough drying center section struts A-in dowels cut pro trude about /8 fuselage wing Paint dowels before gluing place Cut windshield thin plastic epoxy place model uses commer cial 1 -in rubber wheels tic wheels available Sig would considerably lightweight Fi nally install engine check center-of-gravity Flying preflight check make sure controls operate smoothly used Cox gray 5 /2 x 4-in-pitch propeller together Ace 1-in spinner Wait until no wind blowing make first flights use 30-ft lines Because greater wing area higher drag biplanes custom arily cant handle much wind other air planes compensation theres certainly nothing prettier air dont live near well-stocked hobby shop everything youll need build fly Cox Special can purchased di rectly Sig Manufacturing Company 401 South Front Street Montezuma IA 50171 Refer companys catalog costs $3 current prices stock numbers happy landings FF Duration/Murphy Continued page 75 Unless t am mistaken intent original Nostalgia Gas concept utilize engines power equivalents era well its model designs produce representative power flight characteristics associated spec ified time frame hope philosophy theorem does become lost shuffle popularity NosGas events increases time probably good spot com pliment Ralph Prey Bob Larsh maintain ing positions stern disciplinarians capacities guardians NFFS Nostagia Gas rule book Whether game toy aero planes stud poker concessions might permitted loopholer contaminated game might become either case should winnings begin shift di rection nonconformist regular basis dangers possibly some other players could become disenchanted possibly quit game altogether Ralph Bob have continually taken deliber ate steps thwart offbeat rules interpreta tions regard issuing ongoing decisions questionable designs along model con struction guidelines clarifications ac companied official NFFS Design Engine Availability lists latest information accounts avail able cost sending $175 Bob Larsh 45 South Whitcomb Ave Indianapolis IN 46241 Hot off presses January last Book #3 contains latest clarifications design list ings interested Contest Directors contes tants alike may wish order copies com ing contest season Also basic rule change under consid eration time proposal change NosGas Ignition event special event status official event event has around two three flying seasons has en joyed increasing participation especially Midwest NosGas buffs Whereas some have always felt vintage ignition-engine competition should appropriately fall under protective wings Society Antique Modelers SAM SAM folks have repeatedly shown little interest recognizing second half ignitionpowered erathat published kitted ignition-engine-powered designs 1942-50 years rate relatively new NosGas Ignition activity certainly signifying defi nite vital signs interest within vintagemodeling community New rule proposals AMA Gas classes seem have low ebb some time say constructive revisions required likely viable solu tions problems readily apparent Although wish present myself national guru matter observation domestic competition AMA Power classes B C D present mixed bag some geographical areas Using Midwest case point would appear past couple years event par ticipation power classes has generally fall en off considerably some larger contests Often uncontested trophies events left tables after close award ceremonies area regional conApril 1990 169 j 5 PING&HANDLING HAS MOVED INTO LARGER QUARTERS 21658 Cloud Way Hayward CA 94545 CAL 415 783-4868 Out CAL 800 482-8663 proud announce TATONE PRODUCTS CORPORATION has acquired CB ASSOCIATES PRESIDENT TATONE PRODUCTS CORP CE LCE p1 OCO 14VYh p o box 5631Iresno 05 93755
Edition: Model Aviation - 1990/04
Page Numbers: 70, 71, 72, 168, 169
The finished model ready flight color scheme little details such aileron outlines pilot 1 V2-in Williams Brothers strument panel registration numbers combine create illusion full-scale aerobatic biplane rather just 1/2A CL model BIPLANES have always held special traction modeler Theres some thing about airplane two wings fastens attention Biplanes came along during period barnstormers air shows flourished Aviation still glamorous exciting days biplanes contributed much its develop ment Though Ive built quite few two-wingers over years never tire classical appearance Since Im longtime pilot aviation en thusiast wanted Cox Special resem ble full-size airplane closely possi ble meant using built-up fuselage wings making engine fully enclosed possible model relatively easy build same time keeping airplane small using size engine drives down cost building flying models resemblance Pitts Spe cial EAA Biplane shouldnt sur prising Most inspiration came Cox two airplanes models name spin-off Pitts Special still consid ered finest aerobatic airplanes world friend Mr C B Messer owns flies Pitts two us have logged few hours FAA Bi plane well Construction youre new building plans look over carefully re view text before begin construction Since model follows basic construction procedures everything should fairly straightforward youve built few models plans already used standard off-the-shelf balsa around 6- 8-lb stock little se lective youre looking maximum per formance Since its small model 4- 6lb stock can used parts main thing remember stay away wood thats brittle hard kind thats soft mushy Except epoxy called Special lines both Pitts Special text aliphatic resin adhesive used throughout model yellow aliphatic glues also known carpenters glue sand much better white glues Try overdo epoxy used glue heavy strong principle applies glue joints structure Tight-fitting joints thin coat glue mating surfaces pro duce strong lightweight model Large blobs glue add excessive weight de tract final appearance air plane Make sure building board what ever its material warp free firm enough hold pins securely place local building supply store should have suit able material Tail surfaces Since parts take less time build usually make first Cut stabilizer elevator fin rudder %2 sheet balsa decide use ny lon hinges carefully cut out hinge slots used small Du-Bro hinges proto type outboard hinges fit el evator will need cut little short Cloth hinges can used instead theyre somewhat easier install dont look nice use sure install elevator horn beforehand elevators joined together -in dowel EAA Biplane can seen classy semiscale Control Line biplane Construc tion straightforward uncomplicated yet model quite eye-catcher flying circle U David FortunaI 70 Model Aviation Wings Dont turned off idea building two wings Two dont take much time build theyre twice much fun Personally like build ing wingsthe better Both wings built piece no dihedral Building bottom wing first gin shaping 1/ x /2-in trailing edge stock sanding block Alternatively may use formed trailing edge material Pin down leading edge spar trail ing edge glue ribs place gluing double strut ribs insert scrap 4-in balsa between act tempo rary spacer three center ribs under cut /16 top allow center sec tion sheeting Glue /s-in balsa wing tips place ing sure raise / shown Glue 4-in triangular stock place against tip ribs leading edge Once glue completely dry remove wing building board Add /16 balsa center section sheeting top Glue /16 balsa strip between dou ble strut ribs making sure its flush bottom Sand leading edge wing tips shape Glue 4 oz lead place right bottom wing before covering Build top wing Pin down leading edge spar trailing edge did bottom wing Glue x balsa center section trailing edge Add ribs wing tips trimming three center ribs rear proper fit Add A-in balsa piece cen ter section struts will fitted wing strut A-in dowel glued slot wing strut fairings /16 plywood lead-out guide epoxied left wing strut completed wing struts will glued place after wing has covered Fuselage Cut sides /16 balsa mark location formers Glue /16 balsa doublers along bottom between formers F2 F5 Dont forget make left right side Cut out two holes left side lead-outs Cut out slot pushrod exit right side Glue A-in-sq balsa along top fuselage sides letting overhang /16 shown Glue F4 place allow dry glue F5 F6 F7 Glue tail gether Bend landing gear wires 062 music wire making main gear fits F2 first Draw gear outline F2 drill holes landing gear lac ing /16 No 59 drill bit Sew gear place /2A Dacron flying line carpet thread Apply epoxy gear wire thread glue F2 place Glue formers F3 F3A together spot glue place fuselage Left partially assembled fuselage prior sheeting top 2 balsa adding nose side blocks bellcrank control wires installed Note 1/ x /2-in balsa strips between Fl F3 F4 mounting holes drilled center struts 2-56 blind nuts already installed firewall Right main landing gear has bent shape sewn former F-2 V2A Dacron flying line landing gear Dacron line coated epoxy CyA cyanoacrylate assembly glued place fuselage structure April 1990 71 top view shows trim pattern wings some cockpit details Covering lightweight silkspan good quality tissue will work well Iron-on coverings tend warp lightweight structures good finish color scheme really shows off model photo shows Cox Baby Bee engine installation Cox 5/2-in prop used Ace 1-in spinner dress things up lead-out lines made up 025 music wire Full-Size Plans Available See Page 196 C---1111 1] 4ABA 1/4 TRIANGULAR BASA6 SA LEADING EDGE 1/16BALSA III I II I II I/lA COVERING TOP ONLY 1/RD 1/4 BALSA SPAR p 1/B V 1/2 BALSATRAILING EDGE B BALSA r / I/lA BALSA WING TIP WRIGHT GOES HERR WING TIP DETAIL COVERING RAISE TIE SF 1/B UNDERCUT 3 RIBS 1/16 3B RIBS /16 BALSA 1/B DOWL 0 0 1/lA PLYWGGO LEADOUT GUIDE 1/BRALSA LEFT WING ONLY BALSA BLOCKSMALL FEREECT BBELCRANEI/B DO BALSA/ELEVATOR HORN I/IA PLY 0772m ZLISsSSSS NYLON HINGES _lIizG,7\~ ELEVATOR HORN ___j TI -IItrCl 11TRIM HINGE OFFSET II RUDDER 3/IAL - CGHOLES FOR CENTRE STRUTS WINDSPIELDI -TAIL SYRFACED 3/32 BALSA1/B DOWL TAIL GEAR 023 MWP2 COT BABE BEE BALSA BLOCK/I-BEND LINRS SEW GEAR TO F2&F3A 062 MUSIC WIRE BRASSI/lA BALSA DOYBLERIIA BA SACOX SPECIAL 1/16 BALSA FILLBELLCRANK CUTOSTII I00 WHEEL3/32 BALSADESIGNED AND DRAWN RD DAVID FOBTUNA 3~7j--I F IFYFA________________________________________ COCKPIT OPENINGMOUNTING FlF2F3A1/16 BALSAI/lA BALSAWINOSFAN 24ENGINE OUT PATTERNHOLESFORCOX3/32 FLY1/lAFLYI/IA PETIL1K123456 BABE BEE 649 LINESPUSHEOD CUTOUTS___________________________________ ALSA BLOCK easiest way bend rear gear wire make pattern beforehand using soft wire such florists wire After making ad justments necessary good fit bend rear gear itself out 062 music wire Once youre satisfied fit mark gear outline F3 Break former fuselage join gear F3 before glue place dry bind gear legs together soft copper wire solder legs together Drill /32 hole plywood bellcrank plate Slide plate place glue well Bend pushrod lead-out lines music wire Add lead-out lines bellcrank mount assembly fuselage Add pushrod securing bellcrank copper wire drop solder Temporarily place stabilizer elevator position hook up pushrod check control system smooth operation Drill mounting holes firewall 2-25 blind nuts After installing blind nuts put little epoxy backs added security Glue fire wall place add A-in-sq balsa top stringers Bend tail gear 025 music wire epoxy piece /32 plywood Glue inside fuse lage flush sides Cut /8 x 2 x 4A-in fuselage bottom block rough shape glue place along nose side blocks /8 x /2in balsa strips center sec tion struts will mounted glued between Fl F2 F3 Sheet fuselage top /32 sheet balsa Its best use two pieces join along fuselage top cut sheeting bend around cockpit area contours change Glue piece /RB balsa between fuse lage sides mounting stabilizer Sheet fuselage bottom Sand nose section shape locate drill holes center section struts Glue stabilizer place add filler block sand shape Glue fin place Make paper pattern cockpit outline lightly cement place Care fully cut around pattern cockpit opening Glue bottom wing place checking alignment beforehand 72 Model Aviation Continued page 168 Above The finished sanded upper lower wing panels wing tip weight has epoxied lower right wing tip Note double ribs struts attach Right finished model prior covering cockpit opening cut out after sheeting fuselage top top wing wing struts rudder elevator glued place after structure has finished covered NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS L Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales 1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA 181 PAWNEE STREET fLL~SAN MARCOS CALIFORNIA 92069 SATELLITE FREE FLIGHT KITS 226 Gas Full Kit $24 95 320 Gas Full Kit $27 95 450 A-B Gas Full Kit $39 95 788 B-C-I Gas Pro Kit $44 95 788 B-C-I Gas Full Kit $64 95 FREE CATALOG Send se add essed S amped envelope address Shown Ode s Shpped Pre-paid coo Ado $2 55 Shipping Handling Sport AerobaticKit includes roiled plans cut end sanded parts formed 'ICileen Sweep ing gear wheel steerable tell wheel bracket 55other basic spanhardware 51 length 4 channel 14/2 swept wing Symetrical Airfoil Engine 45 602 cy 317 525-9074 Crenshaw AeroRR 1 Box 121 ManIlla IN 46150 demands require top fitness would still fly ing FAT could keep up around pylon Speed trials team represent US 1990 World Championships also held Dayton Four contestants entered wind rain tough luck hard models Carl Dodge new state-of-the-art model thin high-aspect-ratio wing stabilizer laminated carbon fiber stiffness immaculate homemade engine crashed han dle line connector failed Carl has turning world-class speeds model managed rebuild second team trials Califor nia Bill Hughes Bolingbrook tL qualified 14620-mph speed Dayton upped enough third man US team has flights over 170 has really worked hard get has trying several years has paid own way World Cham pionships twice just learn observe has gradually improved speeds until made team John Newton other team member Ed Gifford turned 13654 time Dayton Raul Diaz multitude troubles Bill Hughes few relatively young Speed fliers left speed model ing hurting due lack young competi tors kids out playing video games know almost nothing about building fly ing airplanes buying RC cars because requirement bolt things gether lot people talking about Junior problem dont think anyone knows what about ft difficult get anyone started competi tion events highly sophisticated leave nothing beginner gan 21 Sport Speed event tts low-key easy fly easy build requires equipment readily available Try try get others terested Texas boys have event similar ob jectives called Sport Jet Speed rules specify stock Jet engines two-line controls stan dard fuel Speeds around 140 mph no great talent required fly ft sounds good t think Ill build Ill get informa tion future column Cox Special/Fortuna Continued page 72 Fill cracks imperfections balsa filler smooth down fuse lage parts 320-grit sandpaper care ful around turtledeck since balsa Visa MC Other Kits Avail Write free cat /32 thick area Epoxy / balsa between landing gear legs add drain tube under fuselage bottom Fuelproof firewall inside cowling coat epoxy glue fiberglass res being careful keep off blind nuts Covering final assembly used light weight silkspan cover wings Sig Manufacturing Company carries light weight Japanese tissue called Lite-Flite plyspan tissue will also work well Lite-Flite comes variety colors can applied wet like silkspan dont recommend using iron-on covering since can warp lightweight structure its shrunk too much Before applying silkspan brush two coats clear dope areas cov ered Lightly sand dope 400-grit pa per dry Apply silkspan grain runs spanwise covering wings always wet silkspan before applying Once wrinkles worked out brush clear dope through silkspan along leading edge trailing edge tips wing strut openings cut out after wing has completely covered covered fuselage tail surfaces give model better finish optional final finish brushed three coats clear dope model followed three coats dope talcum powder After sanding down well sprayed sev eral coats colored dope trimmed model resemble aerobatic biplane typically sports flashy paint scheme final coat clear dope sprayed protect finish add gloss lightweight model three coats dope would acceptable finish youre using nylon hinges eleva tor epoxy place before installing elevator careful get epoxy hinge pins Install elevator glue rudder place offsetting about 3/ right An open-cockpit model needs pilot controls look authentic used Wil liams Bros 1 t/2.in scale standard pilot al though doctor poor guy cut ting off shoulders little make him fit Before gluing top wing check 168 Model Aviation 4 WRIGHT J-5 WHIRLWIND PreBuilt MV-i Typhoon * Designed Ron Chidgey *100% Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 100% built up construction precision jigs * b Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODGRAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 114 inch hole 1000k tested Custom cable lengths availble upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SNIPPING & HANDUNG proper alignment mounting out board wing struts dry fitting place Once youre satisfied alignment glue struts place allow thor ough drying center section struts A-in dowels cut pro trude about /8 fuselage wing Paint dowels before gluing place Cut windshield thin plastic epoxy place model uses commer cial 1 -in rubber wheels tic wheels available Sig would considerably lightweight Fi nally install engine check center-of-gravity Flying preflight check make sure controls operate smoothly used Cox gray 5 /2 x 4-in-pitch propeller together Ace 1-in spinner Wait until no wind blowing make first flights use 30-ft lines Because greater wing area higher drag biplanes custom arily cant handle much wind other air planes compensation theres certainly nothing prettier air dont live near well-stocked hobby shop everything youll need build fly Cox Special can purchased di rectly Sig Manufacturing Company 401 South Front Street Montezuma IA 50171 Refer companys catalog costs $3 current prices stock numbers happy landings FF Duration/Murphy Continued page 75 Unless t am mistaken intent original Nostalgia Gas concept utilize engines power equivalents era well its model designs produce representative power flight characteristics associated spec ified time frame hope philosophy theorem does become lost shuffle popularity NosGas events increases time probably good spot com pliment Ralph Prey Bob Larsh maintain ing positions stern disciplinarians capacities guardians NFFS Nostagia Gas rule book Whether game toy aero planes stud poker concessions might permitted loopholer contaminated game might become either case should winnings begin shift di rection nonconformist regular basis dangers possibly some other players could become disenchanted possibly quit game altogether Ralph Bob have continually taken deliber ate steps thwart offbeat rules interpreta tions regard issuing ongoing decisions questionable designs along model con struction guidelines clarifications ac companied official NFFS Design Engine Availability lists latest information accounts avail able cost sending $175 Bob Larsh 45 South Whitcomb Ave Indianapolis IN 46241 Hot off presses January last Book #3 contains latest clarifications design list ings interested Contest Directors contes tants alike may wish order copies com ing contest season Also basic rule change under consid eration time proposal change NosGas Ignition event special event status official event event has around two three flying seasons has en joyed increasing participation especially Midwest NosGas buffs Whereas some have always felt vintage ignition-engine competition should appropriately fall under protective wings Society Antique Modelers SAM SAM folks have repeatedly shown little interest recognizing second half ignitionpowered erathat published kitted ignition-engine-powered designs 1942-50 years rate relatively new NosGas Ignition activity certainly signifying defi nite vital signs interest within vintagemodeling community New rule proposals AMA Gas classes seem have low ebb some time say constructive revisions required likely viable solu tions problems readily apparent Although wish present myself national guru matter observation domestic competition AMA Power classes B C D present mixed bag some geographical areas Using Midwest case point would appear past couple years event par ticipation power classes has generally fall en off considerably some larger contests Often uncontested trophies events left tables after close award ceremonies area regional conApril 1990 169 j 5 PING&HANDLING HAS MOVED INTO LARGER QUARTERS 21658 Cloud Way Hayward CA 94545 CAL 415 783-4868 Out CAL 800 482-8663 proud announce TATONE PRODUCTS CORPORATION has acquired CB ASSOCIATES PRESIDENT TATONE PRODUCTS CORP CE LCE p1 OCO 14VYh p o box 5631Iresno 05 93755
Edition: Model Aviation - 1990/04
Page Numbers: 70, 71, 72, 168, 169
The finished model ready flight color scheme little details such aileron outlines pilot 1 V2-in Williams Brothers strument panel registration numbers combine create illusion full-scale aerobatic biplane rather just 1/2A CL model BIPLANES have always held special traction modeler Theres some thing about airplane two wings fastens attention Biplanes came along during period barnstormers air shows flourished Aviation still glamorous exciting days biplanes contributed much its develop ment Though Ive built quite few two-wingers over years never tire classical appearance Since Im longtime pilot aviation en thusiast wanted Cox Special resem ble full-size airplane closely possi ble meant using built-up fuselage wings making engine fully enclosed possible model relatively easy build same time keeping airplane small using size engine drives down cost building flying models resemblance Pitts Spe cial EAA Biplane shouldnt sur prising Most inspiration came Cox two airplanes models name spin-off Pitts Special still consid ered finest aerobatic airplanes world friend Mr C B Messer owns flies Pitts two us have logged few hours FAA Bi plane well Construction youre new building plans look over carefully re view text before begin construction Since model follows basic construction procedures everything should fairly straightforward youve built few models plans already used standard off-the-shelf balsa around 6- 8-lb stock little se lective youre looking maximum per formance Since its small model 4- 6lb stock can used parts main thing remember stay away wood thats brittle hard kind thats soft mushy Except epoxy called Special lines both Pitts Special text aliphatic resin adhesive used throughout model yellow aliphatic glues also known carpenters glue sand much better white glues Try overdo epoxy used glue heavy strong principle applies glue joints structure Tight-fitting joints thin coat glue mating surfaces pro duce strong lightweight model Large blobs glue add excessive weight de tract final appearance air plane Make sure building board what ever its material warp free firm enough hold pins securely place local building supply store should have suit able material Tail surfaces Since parts take less time build usually make first Cut stabilizer elevator fin rudder %2 sheet balsa decide use ny lon hinges carefully cut out hinge slots used small Du-Bro hinges proto type outboard hinges fit el evator will need cut little short Cloth hinges can used instead theyre somewhat easier install dont look nice use sure install elevator horn beforehand elevators joined together -in dowel EAA Biplane can seen classy semiscale Control Line biplane Construc tion straightforward uncomplicated yet model quite eye-catcher flying circle U David FortunaI 70 Model Aviation Wings Dont turned off idea building two wings Two dont take much time build theyre twice much fun Personally like build ing wingsthe better Both wings built piece no dihedral Building bottom wing first gin shaping 1/ x /2-in trailing edge stock sanding block Alternatively may use formed trailing edge material Pin down leading edge spar trail ing edge glue ribs place gluing double strut ribs insert scrap 4-in balsa between act tempo rary spacer three center ribs under cut /16 top allow center sec tion sheeting Glue /s-in balsa wing tips place ing sure raise / shown Glue 4-in triangular stock place against tip ribs leading edge Once glue completely dry remove wing building board Add /16 balsa center section sheeting top Glue /16 balsa strip between dou ble strut ribs making sure its flush bottom Sand leading edge wing tips shape Glue 4 oz lead place right bottom wing before covering Build top wing Pin down leading edge spar trailing edge did bottom wing Glue x balsa center section trailing edge Add ribs wing tips trimming three center ribs rear proper fit Add A-in balsa piece cen ter section struts will fitted wing strut A-in dowel glued slot wing strut fairings /16 plywood lead-out guide epoxied left wing strut completed wing struts will glued place after wing has covered Fuselage Cut sides /16 balsa mark location formers Glue /16 balsa doublers along bottom between formers F2 F5 Dont forget make left right side Cut out two holes left side lead-outs Cut out slot pushrod exit right side Glue A-in-sq balsa along top fuselage sides letting overhang /16 shown Glue F4 place allow dry glue F5 F6 F7 Glue tail gether Bend landing gear wires 062 music wire making main gear fits F2 first Draw gear outline F2 drill holes landing gear lac ing /16 No 59 drill bit Sew gear place /2A Dacron flying line carpet thread Apply epoxy gear wire thread glue F2 place Glue formers F3 F3A together spot glue place fuselage Left partially assembled fuselage prior sheeting top 2 balsa adding nose side blocks bellcrank control wires installed Note 1/ x /2-in balsa strips between Fl F3 F4 mounting holes drilled center struts 2-56 blind nuts already installed firewall Right main landing gear has bent shape sewn former F-2 V2A Dacron flying line landing gear Dacron line coated epoxy CyA cyanoacrylate assembly glued place fuselage structure April 1990 71 top view shows trim pattern wings some cockpit details Covering lightweight silkspan good quality tissue will work well Iron-on coverings tend warp lightweight structures good finish color scheme really shows off model photo shows Cox Baby Bee engine installation Cox 5/2-in prop used Ace 1-in spinner dress things up lead-out lines made up 025 music wire Full-Size Plans Available See Page 196 C---1111 1] 4ABA 1/4 TRIANGULAR BASA6 SA LEADING EDGE 1/16BALSA III I II I II I/lA COVERING TOP ONLY 1/RD 1/4 BALSA SPAR p 1/B V 1/2 BALSATRAILING EDGE B BALSA r / I/lA BALSA WING TIP WRIGHT GOES HERR WING TIP DETAIL COVERING RAISE TIE SF 1/B UNDERCUT 3 RIBS 1/16 3B RIBS /16 BALSA 1/B DOWL 0 0 1/lA PLYWGGO LEADOUT GUIDE 1/BRALSA LEFT WING ONLY BALSA BLOCKSMALL FEREECT BBELCRANEI/B DO BALSA/ELEVATOR HORN I/IA PLY 0772m ZLISsSSSS NYLON HINGES _lIizG,7\~ ELEVATOR HORN ___j TI -IItrCl 11TRIM HINGE OFFSET II RUDDER 3/IAL - CGHOLES FOR CENTRE STRUTS WINDSPIELDI -TAIL SYRFACED 3/32 BALSA1/B DOWL TAIL GEAR 023 MWP2 COT BABE BEE BALSA BLOCK/I-BEND LINRS SEW GEAR TO F2&F3A 062 MUSIC WIRE BRASSI/lA BALSA DOYBLERIIA BA SACOX SPECIAL 1/16 BALSA FILLBELLCRANK CUTOSTII I00 WHEEL3/32 BALSADESIGNED AND DRAWN RD DAVID FOBTUNA 3~7j--I F IFYFA________________________________________ COCKPIT OPENINGMOUNTING FlF2F3A1/16 BALSAI/lA BALSAWINOSFAN 24ENGINE OUT PATTERNHOLESFORCOX3/32 FLY1/lAFLYI/IA PETIL1K123456 BABE BEE 649 LINESPUSHEOD CUTOUTS___________________________________ ALSA BLOCK easiest way bend rear gear wire make pattern beforehand using soft wire such florists wire After making ad justments necessary good fit bend rear gear itself out 062 music wire Once youre satisfied fit mark gear outline F3 Break former fuselage join gear F3 before glue place dry bind gear legs together soft copper wire solder legs together Drill /32 hole plywood bellcrank plate Slide plate place glue well Bend pushrod lead-out lines music wire Add lead-out lines bellcrank mount assembly fuselage Add pushrod securing bellcrank copper wire drop solder Temporarily place stabilizer elevator position hook up pushrod check control system smooth operation Drill mounting holes firewall 2-25 blind nuts After installing blind nuts put little epoxy backs added security Glue fire wall place add A-in-sq balsa top stringers Bend tail gear 025 music wire epoxy piece /32 plywood Glue inside fuse lage flush sides Cut /8 x 2 x 4A-in fuselage bottom block rough shape glue place along nose side blocks /8 x /2in balsa strips center sec tion struts will mounted glued between Fl F2 F3 Sheet fuselage top /32 sheet balsa Its best use two pieces join along fuselage top cut sheeting bend around cockpit area contours change Glue piece /RB balsa between fuse lage sides mounting stabilizer Sheet fuselage bottom Sand nose section shape locate drill holes center section struts Glue stabilizer place add filler block sand shape Glue fin place Make paper pattern cockpit outline lightly cement place Care fully cut around pattern cockpit opening Glue bottom wing place checking alignment beforehand 72 Model Aviation Continued page 168 Above The finished sanded upper lower wing panels wing tip weight has epoxied lower right wing tip Note double ribs struts attach Right finished model prior covering cockpit opening cut out after sheeting fuselage top top wing wing struts rudder elevator glued place after structure has finished covered NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS L Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales 1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA 181 PAWNEE STREET fLL~SAN MARCOS CALIFORNIA 92069 SATELLITE FREE FLIGHT KITS 226 Gas Full Kit $24 95 320 Gas Full Kit $27 95 450 A-B Gas Full Kit $39 95 788 B-C-I Gas Pro Kit $44 95 788 B-C-I Gas Full Kit $64 95 FREE CATALOG Send se add essed S amped envelope address Shown Ode s Shpped Pre-paid coo Ado $2 55 Shipping Handling Sport AerobaticKit includes roiled plans cut end sanded parts formed 'ICileen Sweep ing gear wheel steerable tell wheel bracket 55other basic spanhardware 51 length 4 channel 14/2 swept wing Symetrical Airfoil Engine 45 602 cy 317 525-9074 Crenshaw AeroRR 1 Box 121 ManIlla IN 46150 demands require top fitness would still fly ing FAT could keep up around pylon Speed trials team represent US 1990 World Championships also held Dayton Four contestants entered wind rain tough luck hard models Carl Dodge new state-of-the-art model thin high-aspect-ratio wing stabilizer laminated carbon fiber stiffness immaculate homemade engine crashed han dle line connector failed Carl has turning world-class speeds model managed rebuild second team trials Califor nia Bill Hughes Bolingbrook tL qualified 14620-mph speed Dayton upped enough third man US team has flights over 170 has really worked hard get has trying several years has paid own way World Cham pionships twice just learn observe has gradually improved speeds until made team John Newton other team member Ed Gifford turned 13654 time Dayton Raul Diaz multitude troubles Bill Hughes few relatively young Speed fliers left speed model ing hurting due lack young competi tors kids out playing video games know almost nothing about building fly ing airplanes buying RC cars because requirement bolt things gether lot people talking about Junior problem dont think anyone knows what about ft difficult get anyone started competi tion events highly sophisticated leave nothing beginner gan 21 Sport Speed event tts low-key easy fly easy build requires equipment readily available Try try get others terested Texas boys have event similar ob jectives called Sport Jet Speed rules specify stock Jet engines two-line controls stan dard fuel Speeds around 140 mph no great talent required fly ft sounds good t think Ill build Ill get informa tion future column Cox Special/Fortuna Continued page 72 Fill cracks imperfections balsa filler smooth down fuse lage parts 320-grit sandpaper care ful around turtledeck since balsa Visa MC Other Kits Avail Write free cat /32 thick area Epoxy / balsa between landing gear legs add drain tube under fuselage bottom Fuelproof firewall inside cowling coat epoxy glue fiberglass res being careful keep off blind nuts Covering final assembly used light weight silkspan cover wings Sig Manufacturing Company carries light weight Japanese tissue called Lite-Flite plyspan tissue will also work well Lite-Flite comes variety colors can applied wet like silkspan dont recommend using iron-on covering since can warp lightweight structure its shrunk too much Before applying silkspan brush two coats clear dope areas cov ered Lightly sand dope 400-grit pa per dry Apply silkspan grain runs spanwise covering wings always wet silkspan before applying Once wrinkles worked out brush clear dope through silkspan along leading edge trailing edge tips wing strut openings cut out after wing has completely covered covered fuselage tail surfaces give model better finish optional final finish brushed three coats clear dope model followed three coats dope talcum powder After sanding down well sprayed sev eral coats colored dope trimmed model resemble aerobatic biplane typically sports flashy paint scheme final coat clear dope sprayed protect finish add gloss lightweight model three coats dope would acceptable finish youre using nylon hinges eleva tor epoxy place before installing elevator careful get epoxy hinge pins Install elevator glue rudder place offsetting about 3/ right An open-cockpit model needs pilot controls look authentic used Wil liams Bros 1 t/2.in scale standard pilot al though doctor poor guy cut ting off shoulders little make him fit Before gluing top wing check 168 Model Aviation 4 WRIGHT J-5 WHIRLWIND PreBuilt MV-i Typhoon * Designed Ron Chidgey *100% Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 100% built up construction precision jigs * b Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODGRAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 114 inch hole 1000k tested Custom cable lengths availble upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SNIPPING & HANDUNG proper alignment mounting out board wing struts dry fitting place Once youre satisfied alignment glue struts place allow thor ough drying center section struts A-in dowels cut pro trude about /8 fuselage wing Paint dowels before gluing place Cut windshield thin plastic epoxy place model uses commer cial 1 -in rubber wheels tic wheels available Sig would considerably lightweight Fi nally install engine check center-of-gravity Flying preflight check make sure controls operate smoothly used Cox gray 5 /2 x 4-in-pitch propeller together Ace 1-in spinner Wait until no wind blowing make first flights use 30-ft lines Because greater wing area higher drag biplanes custom arily cant handle much wind other air planes compensation theres certainly nothing prettier air dont live near well-stocked hobby shop everything youll need build fly Cox Special can purchased di rectly Sig Manufacturing Company 401 South Front Street Montezuma IA 50171 Refer companys catalog costs $3 current prices stock numbers happy landings FF Duration/Murphy Continued page 75 Unless t am mistaken intent original Nostalgia Gas concept utilize engines power equivalents era well its model designs produce representative power flight characteristics associated spec ified time frame hope philosophy theorem does become lost shuffle popularity NosGas events increases time probably good spot com pliment Ralph Prey Bob Larsh maintain ing positions stern disciplinarians capacities guardians NFFS Nostagia Gas rule book Whether game toy aero planes stud poker concessions might permitted loopholer contaminated game might become either case should winnings begin shift di rection nonconformist regular basis dangers possibly some other players could become disenchanted possibly quit game altogether Ralph Bob have continually taken deliber ate steps thwart offbeat rules interpreta tions regard issuing ongoing decisions questionable designs along model con struction guidelines clarifications ac companied official NFFS Design Engine Availability lists latest information accounts avail able cost sending $175 Bob Larsh 45 South Whitcomb Ave Indianapolis IN 46241 Hot off presses January last Book #3 contains latest clarifications design list ings interested Contest Directors contes tants alike may wish order copies com ing contest season Also basic rule change under consid eration time proposal change NosGas Ignition event special event status official event event has around two three flying seasons has en joyed increasing participation especially Midwest NosGas buffs Whereas some have always felt vintage ignition-engine competition should appropriately fall under protective wings Society Antique Modelers SAM SAM folks have repeatedly shown little interest recognizing second half ignitionpowered erathat published kitted ignition-engine-powered designs 1942-50 years rate relatively new NosGas Ignition activity certainly signifying defi nite vital signs interest within vintagemodeling community New rule proposals AMA Gas classes seem have low ebb some time say constructive revisions required likely viable solu tions problems readily apparent Although wish present myself national guru matter observation domestic competition AMA Power classes B C D present mixed bag some geographical areas Using Midwest case point would appear past couple years event par ticipation power classes has generally fall en off considerably some larger contests Often uncontested trophies events left tables after close award ceremonies area regional conApril 1990 169 j 5 PING&HANDLING HAS MOVED INTO LARGER QUARTERS 21658 Cloud Way Hayward CA 94545 CAL 415 783-4868 Out CAL 800 482-8663 proud announce TATONE PRODUCTS CORPORATION has acquired CB ASSOCIATES PRESIDENT TATONE PRODUCTS CORP CE LCE p1 OCO 14VYh p o box 5631Iresno 05 93755
Edition: Model Aviation - 1990/04
Page Numbers: 70, 71, 72, 168, 169
The finished model ready flight color scheme little details such aileron outlines pilot 1 V2-in Williams Brothers strument panel registration numbers combine create illusion full-scale aerobatic biplane rather just 1/2A CL model BIPLANES have always held special traction modeler Theres some thing about airplane two wings fastens attention Biplanes came along during period barnstormers air shows flourished Aviation still glamorous exciting days biplanes contributed much its develop ment Though Ive built quite few two-wingers over years never tire classical appearance Since Im longtime pilot aviation en thusiast wanted Cox Special resem ble full-size airplane closely possi ble meant using built-up fuselage wings making engine fully enclosed possible model relatively easy build same time keeping airplane small using size engine drives down cost building flying models resemblance Pitts Spe cial EAA Biplane shouldnt sur prising Most inspiration came Cox two airplanes models name spin-off Pitts Special still consid ered finest aerobatic airplanes world friend Mr C B Messer owns flies Pitts two us have logged few hours FAA Bi plane well Construction youre new building plans look over carefully re view text before begin construction Since model follows basic construction procedures everything should fairly straightforward youve built few models plans already used standard off-the-shelf balsa around 6- 8-lb stock little se lective youre looking maximum per formance Since its small model 4- 6lb stock can used parts main thing remember stay away wood thats brittle hard kind thats soft mushy Except epoxy called Special lines both Pitts Special text aliphatic resin adhesive used throughout model yellow aliphatic glues also known carpenters glue sand much better white glues Try overdo epoxy used glue heavy strong principle applies glue joints structure Tight-fitting joints thin coat glue mating surfaces pro duce strong lightweight model Large blobs glue add excessive weight de tract final appearance air plane Make sure building board what ever its material warp free firm enough hold pins securely place local building supply store should have suit able material Tail surfaces Since parts take less time build usually make first Cut stabilizer elevator fin rudder %2 sheet balsa decide use ny lon hinges carefully cut out hinge slots used small Du-Bro hinges proto type outboard hinges fit el evator will need cut little short Cloth hinges can used instead theyre somewhat easier install dont look nice use sure install elevator horn beforehand elevators joined together -in dowel EAA Biplane can seen classy semiscale Control Line biplane Construc tion straightforward uncomplicated yet model quite eye-catcher flying circle U David FortunaI 70 Model Aviation Wings Dont turned off idea building two wings Two dont take much time build theyre twice much fun Personally like build ing wingsthe better Both wings built piece no dihedral Building bottom wing first gin shaping 1/ x /2-in trailing edge stock sanding block Alternatively may use formed trailing edge material Pin down leading edge spar trail ing edge glue ribs place gluing double strut ribs insert scrap 4-in balsa between act tempo rary spacer three center ribs under cut /16 top allow center sec tion sheeting Glue /s-in balsa wing tips place ing sure raise / shown Glue 4-in triangular stock place against tip ribs leading edge Once glue completely dry remove wing building board Add /16 balsa center section sheeting top Glue /16 balsa strip between dou ble strut ribs making sure its flush bottom Sand leading edge wing tips shape Glue 4 oz lead place right bottom wing before covering Build top wing Pin down leading edge spar trailing edge did bottom wing Glue x balsa center section trailing edge Add ribs wing tips trimming three center ribs rear proper fit Add A-in balsa piece cen ter section struts will fitted wing strut A-in dowel glued slot wing strut fairings /16 plywood lead-out guide epoxied left wing strut completed wing struts will glued place after wing has covered Fuselage Cut sides /16 balsa mark location formers Glue /16 balsa doublers along bottom between formers F2 F5 Dont forget make left right side Cut out two holes left side lead-outs Cut out slot pushrod exit right side Glue A-in-sq balsa along top fuselage sides letting overhang /16 shown Glue F4 place allow dry glue F5 F6 F7 Glue tail gether Bend landing gear wires 062 music wire making main gear fits F2 first Draw gear outline F2 drill holes landing gear lac ing /16 No 59 drill bit Sew gear place /2A Dacron flying line carpet thread Apply epoxy gear wire thread glue F2 place Glue formers F3 F3A together spot glue place fuselage Left partially assembled fuselage prior sheeting top 2 balsa adding nose side blocks bellcrank control wires installed Note 1/ x /2-in balsa strips between Fl F3 F4 mounting holes drilled center struts 2-56 blind nuts already installed firewall Right main landing gear has bent shape sewn former F-2 V2A Dacron flying line landing gear Dacron line coated epoxy CyA cyanoacrylate assembly glued place fuselage structure April 1990 71 top view shows trim pattern wings some cockpit details Covering lightweight silkspan good quality tissue will work well Iron-on coverings tend warp lightweight structures good finish color scheme really shows off model photo shows Cox Baby Bee engine installation Cox 5/2-in prop used Ace 1-in spinner dress things up lead-out lines made up 025 music wire Full-Size Plans Available See Page 196 C---1111 1] 4ABA 1/4 TRIANGULAR BASA6 SA LEADING EDGE 1/16BALSA III I II I II I/lA COVERING TOP ONLY 1/RD 1/4 BALSA SPAR p 1/B V 1/2 BALSATRAILING EDGE B BALSA r / I/lA BALSA WING TIP WRIGHT GOES HERR WING TIP DETAIL COVERING RAISE TIE SF 1/B UNDERCUT 3 RIBS 1/16 3B RIBS /16 BALSA 1/B DOWL 0 0 1/lA PLYWGGO LEADOUT GUIDE 1/BRALSA LEFT WING ONLY BALSA BLOCKSMALL FEREECT BBELCRANEI/B DO BALSA/ELEVATOR HORN I/IA PLY 0772m ZLISsSSSS NYLON HINGES _lIizG,7\~ ELEVATOR HORN ___j TI -IItrCl 11TRIM HINGE OFFSET II RUDDER 3/IAL - CGHOLES FOR CENTRE STRUTS WINDSPIELDI -TAIL SYRFACED 3/32 BALSA1/B DOWL TAIL GEAR 023 MWP2 COT BABE BEE BALSA BLOCK/I-BEND LINRS SEW GEAR TO F2&F3A 062 MUSIC WIRE BRASSI/lA BALSA DOYBLERIIA BA SACOX SPECIAL 1/16 BALSA FILLBELLCRANK CUTOSTII I00 WHEEL3/32 BALSADESIGNED AND DRAWN RD DAVID FOBTUNA 3~7j--I F IFYFA________________________________________ COCKPIT OPENINGMOUNTING FlF2F3A1/16 BALSAI/lA BALSAWINOSFAN 24ENGINE OUT PATTERNHOLESFORCOX3/32 FLY1/lAFLYI/IA PETIL1K123456 BABE BEE 649 LINESPUSHEOD CUTOUTS___________________________________ ALSA BLOCK easiest way bend rear gear wire make pattern beforehand using soft wire such florists wire After making ad justments necessary good fit bend rear gear itself out 062 music wire Once youre satisfied fit mark gear outline F3 Break former fuselage join gear F3 before glue place dry bind gear legs together soft copper wire solder legs together Drill /32 hole plywood bellcrank plate Slide plate place glue well Bend pushrod lead-out lines music wire Add lead-out lines bellcrank mount assembly fuselage Add pushrod securing bellcrank copper wire drop solder Temporarily place stabilizer elevator position hook up pushrod check control system smooth operation Drill mounting holes firewall 2-25 blind nuts After installing blind nuts put little epoxy backs added security Glue fire wall place add A-in-sq balsa top stringers Bend tail gear 025 music wire epoxy piece /32 plywood Glue inside fuse lage flush sides Cut /8 x 2 x 4A-in fuselage bottom block rough shape glue place along nose side blocks /8 x /2in balsa strips center sec tion struts will mounted glued between Fl F2 F3 Sheet fuselage top /32 sheet balsa Its best use two pieces join along fuselage top cut sheeting bend around cockpit area contours change Glue piece /RB balsa between fuse lage sides mounting stabilizer Sheet fuselage bottom Sand nose section shape locate drill holes center section struts Glue stabilizer place add filler block sand shape Glue fin place Make paper pattern cockpit outline lightly cement place Care fully cut around pattern cockpit opening Glue bottom wing place checking alignment beforehand 72 Model Aviation Continued page 168 Above The finished sanded upper lower wing panels wing tip weight has epoxied lower right wing tip Note double ribs struts attach Right finished model prior covering cockpit opening cut out after sheeting fuselage top top wing wing struts rudder elevator glued place after structure has finished covered NEW BY POPULAR REQUEST LARGE SCALE ENGINE CYLINDERS L Molded high-impact styrene dummy cylinders feature deep cooling fins utmost realism Both Wasp Whirlwind types cylinders available two different large scales 1/5th 2 4th 3 ts include assembly instructions Smaller sizes also offered Note These units may modified resemble other cylinder types Send $3 full-color catalog featuring aircraft paintings suitable framing WILLIAMS BROTHERS INC DEPT MA 181 PAWNEE STREET fLL~SAN MARCOS CALIFORNIA 92069 SATELLITE FREE FLIGHT KITS 226 Gas Full Kit $24 95 320 Gas Full Kit $27 95 450 A-B Gas Full Kit $39 95 788 B-C-I Gas Pro Kit $44 95 788 B-C-I Gas Full Kit $64 95 FREE CATALOG Send se add essed S amped envelope address Shown Ode s Shpped Pre-paid coo Ado $2 55 Shipping Handling Sport AerobaticKit includes roiled plans cut end sanded parts formed 'ICileen Sweep ing gear wheel steerable tell wheel bracket 55other basic spanhardware 51 length 4 channel 14/2 swept wing Symetrical Airfoil Engine 45 602 cy 317 525-9074 Crenshaw AeroRR 1 Box 121 ManIlla IN 46150 demands require top fitness would still fly ing FAT could keep up around pylon Speed trials team represent US 1990 World Championships also held Dayton Four contestants entered wind rain tough luck hard models Carl Dodge new state-of-the-art model thin high-aspect-ratio wing stabilizer laminated carbon fiber stiffness immaculate homemade engine crashed han dle line connector failed Carl has turning world-class speeds model managed rebuild second team trials Califor nia Bill Hughes Bolingbrook tL qualified 14620-mph speed Dayton upped enough third man US team has flights over 170 has really worked hard get has trying several years has paid own way World Cham pionships twice just learn observe has gradually improved speeds until made team John Newton other team member Ed Gifford turned 13654 time Dayton Raul Diaz multitude troubles Bill Hughes few relatively young Speed fliers left speed model ing hurting due lack young competi tors kids out playing video games know almost nothing about building fly ing airplanes buying RC cars because requirement bolt things gether lot people talking about Junior problem dont think anyone knows what about ft difficult get anyone started competi tion events highly sophisticated leave nothing beginner gan 21 Sport Speed event tts low-key easy fly easy build requires equipment readily available Try try get others terested Texas boys have event similar ob jectives called Sport Jet Speed rules specify stock Jet engines two-line controls stan dard fuel Speeds around 140 mph no great talent required fly ft sounds good t think Ill build Ill get informa tion future column Cox Special/Fortuna Continued page 72 Fill cracks imperfections balsa filler smooth down fuse lage parts 320-grit sandpaper care ful around turtledeck since balsa Visa MC Other Kits Avail Write free cat /32 thick area Epoxy / balsa between landing gear legs add drain tube under fuselage bottom Fuelproof firewall inside cowling coat epoxy glue fiberglass res being careful keep off blind nuts Covering final assembly used light weight silkspan cover wings Sig Manufacturing Company carries light weight Japanese tissue called Lite-Flite plyspan tissue will also work well Lite-Flite comes variety colors can applied wet like silkspan dont recommend using iron-on covering since can warp lightweight structure its shrunk too much Before applying silkspan brush two coats clear dope areas cov ered Lightly sand dope 400-grit pa per dry Apply silkspan grain runs spanwise covering wings always wet silkspan before applying Once wrinkles worked out brush clear dope through silkspan along leading edge trailing edge tips wing strut openings cut out after wing has completely covered covered fuselage tail surfaces give model better finish optional final finish brushed three coats clear dope model followed three coats dope talcum powder After sanding down well sprayed sev eral coats colored dope trimmed model resemble aerobatic biplane typically sports flashy paint scheme final coat clear dope sprayed protect finish add gloss lightweight model three coats dope would acceptable finish youre using nylon hinges eleva tor epoxy place before installing elevator careful get epoxy hinge pins Install elevator glue rudder place offsetting about 3/ right An open-cockpit model needs pilot controls look authentic used Wil liams Bros 1 t/2.in scale standard pilot al though doctor poor guy cut ting off shoulders little make him fit Before gluing top wing check 168 Model Aviation 4 WRIGHT J-5 WHIRLWIND PreBuilt MV-i Typhoon * Designed Ron Chidgey *100% Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 100% built up construction precision jigs * b Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODGRAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 114 inch hole 1000k tested Custom cable lengths availble upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SNIPPING & HANDUNG proper alignment mounting out board wing struts dry fitting place Once youre satisfied alignment glue struts place allow thor ough drying center section struts A-in dowels cut pro trude about /8 fuselage wing Paint dowels before gluing place Cut windshield thin plastic epoxy place model uses commer cial 1 -in rubber wheels tic wheels available Sig would considerably lightweight Fi nally install engine check center-of-gravity Flying preflight check make sure controls operate smoothly used Cox gray 5 /2 x 4-in-pitch propeller together Ace 1-in spinner Wait until no wind blowing make first flights use 30-ft lines Because greater wing area higher drag biplanes custom arily cant handle much wind other air planes compensation theres certainly nothing prettier air dont live near well-stocked hobby shop everything youll need build fly Cox Special can purchased di rectly Sig Manufacturing Company 401 South Front Street Montezuma IA 50171 Refer companys catalog costs $3 current prices stock numbers happy landings FF Duration/Murphy Continued page 75 Unless t am mistaken intent original Nostalgia Gas concept utilize engines power equivalents era well its model designs produce representative power flight characteristics associated spec ified time frame hope philosophy theorem does become lost shuffle popularity NosGas events increases time probably good spot com pliment Ralph Prey Bob Larsh maintain ing positions stern disciplinarians capacities guardians NFFS Nostagia Gas rule book Whether game toy aero planes stud poker concessions might permitted loopholer contaminated game might become either case should winnings begin shift di rection nonconformist regular basis dangers possibly some other players could become disenchanted possibly quit game altogether Ralph Bob have continually taken deliber ate steps thwart offbeat rules interpreta tions regard issuing ongoing decisions questionable designs along model con struction guidelines clarifications ac companied official NFFS Design Engine Availability lists latest information accounts avail able cost sending $175 Bob Larsh 45 South Whitcomb Ave Indianapolis IN 46241 Hot off presses January last Book #3 contains latest clarifications design list ings interested Contest Directors contes tants alike may wish order copies com ing contest season Also basic rule change under consid eration time proposal change NosGas Ignition event special event status official event event has around two three flying seasons has en joyed increasing participation especially Midwest NosGas buffs Whereas some have always felt vintage ignition-engine competition should appropriately fall under protective wings Society Antique Modelers SAM SAM folks have repeatedly shown little interest recognizing second half ignitionpowered erathat published kitted ignition-engine-powered designs 1942-50 years rate relatively new NosGas Ignition activity certainly signifying defi nite vital signs interest within vintagemodeling community New rule proposals AMA Gas classes seem have low ebb some time say constructive revisions required likely viable solu tions problems readily apparent Although wish present myself national guru matter observation domestic competition AMA Power classes B C D present mixed bag some geographical areas Using Midwest case point would appear past couple years event par ticipation power classes has generally fall en off considerably some larger contests Often uncontested trophies events left tables after close award ceremonies area regional conApril 1990 169 j 5 PING&HANDLING HAS MOVED INTO LARGER QUARTERS 21658 Cloud Way Hayward CA 94545 CAL 415 783-4868 Out CAL 800 482-8663 proud announce TATONE PRODUCTS CORPORATION has acquired CB ASSOCIATES PRESIDENT TATONE PRODUCTS CORP CE LCE p1 OCO 14VYh p o box 5631Iresno 05 93755