y tQ carry ir wing rubb L r- ti LWUUFIII9 iodelh tempted als& Sii main interest ra olIege years strictly caDital C ne ne reaso asic F PqWer models low aspect ratK hot diesel pured m ether castor oiland nnrateu other Although won few contests about later great fun background its complete mys tery built obtiined Sportwagon Sportwagon famil iar design product fertile brain Calhoun Smith plans 86 Model Aviation aces its ancestry sport Free F Smith Builds quickly arid ecor Uses flying 02 Cox- Peethe Ace sytem Its basic looks U Jack wanted ished short-lived magazine England during Fifties design antithesis type model cabin wheels cavernous fuselage However good flier used both fun contest work usually obtaining consistent max out sight score best-remembered type result flight contest Huddersfield usual went out-ofsight after few minutes wind always blows Huddersfield finally landed golf course Halifax cant recall what happened model end does anyone remember fate old relics however year ago got urge remake Sportwagon friend Toronto happened have copy original English maga zine prevailed him Xerox copy thanks Mike set about scaling up However usual grasshopper mind took left turn Rather remaking full-sized bird decided produce singlechannel version fly local park single-channel model subject article Someday however Im sure Ill remake original Does anyone out have Elfin 1 8 diesel tubular tank back might need Construction model shown plans just scaled-down version original did quite bit redesign work simplification though think pre served original flavor its big brother prototype built very leisurely during rainy week using slow super glues built primarily Ace pulse radio theres no reason small Cannon two-channel set couldnt have used addition small elevator back stabilizer However following notes strictly singlechannel model Wing made initially single piece cut two halves re-joined correct dihedral angle Start pin ning down lower main spar trailing edge strip onto plans Make wing ribs favorite manner make hard balsa template cut out quickly assemble block sand saw out spar notches Glue ribs place except center tip ones add leading edge strip /8 sheet wing tips cut out added next followed tip ribs upper main spar Carefully cut wing half center sand resulting spar ends correct bevel Make wing joiners hard sheet Re-join wing pieces done following manner Pin wing halves onto plan find solid block prop up other wing tip use scrap off old 2 x 4 purpose Move block around until correct height found under tip case 4 Glue August 1983 87 Charming Lisa Headley poses fathers tiny lightweight RC design original covered tissue given two coats clear dope followed two Coats red except rudder FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 COVER OP CENTER SECTION AND TOP OF LE WITH IAiSHEET PI-PLT FS- NI46 SN 32SHAROUND SCRAPWINDOWS BLOCK PLANKING 4 15 SN PEE WEE LASc0 ENES Vs AND RUDDER HHt HEE AD UNGE 6WR U AND OROS/ /WRE00 ABE _______ P3 FR F PR61/16 PLT SN 346SHpPBBASIC 850 ERA SHPWNME P6 PUSELASE ARD PROFILE____tSH TAILPLANE RIBJ165H BDOWELSIDE STBINISEBN1f6 I _______________ F op ONLT Pr COVER AREA SHORJN THUS I6SHEET LE 3 4650 SCRAP BLOCK PB ALL BSH PR B SHEET TIPS /K SAP POP PIN Sportwagon Jr WEIGH T-7BOZ SCALEINS ends spars together add wing joiners clothespins make handy clamps final operation center-section ribs will now need little modification before will fit 1/32 sheeting comes now added upper leading edge top center section scrap sheeting used spar web second rib bay careful sanding over will make wing ready covering Fuselage Before starting lets say few words about construction par ticular model also what plans show basic body made two side 88 Model Aviation 2 DIHEDRAL HERE LE~BSIiUARE — _-_ --- --- _-7SNMAIN SPARS ALL RIBS SPAR WEBfraso 46 SNOB11 R2B152R2R2R2P2 CE R2- _______ _______ _______________________ 8 ____ ____ ____ ________ ____ _____________ ALL BALSA UNLESS NOTED Note top spar must separate piece tip same leading edge sheeting Tip shape cut 1/ sheet several pieces noting grain direction shown plans Fuselage basically box starts two sides made I/ sq balsa Landing gear fairings 1/16 balsa covered tissue Bare bones constructed sanded ready covering wouldnt surprise us point decidd using transparent type covering author did frames sq sides emphasized drawing cross hatching joined together various frames sq cross members make up basic fuselage box soften boxy look 3/32 sq sub structure added bottom side 1/16 x strips shown phantom plan along fuselage sides nose rounded off aid soft balsa blocks sheeting Study plans before starting build Begin sq side frames Pin top bottom longerons onto plans / x wing runners lower window longeron Glue various crosspieces place dry make another identical side frame frames come next Ft cut ply should drilled engine mounting time F2 made 1/16 sheet slightly bevelled bot tom edge F3 little complicated holds landing gear wire place Before making F3 its necessary bend landing gear shape 1/16 wire Cut top pieces frame sheet glue together 1/32 ply backplate 1/16 sheet insert Make another 1/16 sheet insert time cut away trap gear wire place Add sheet together wire epoxy place follow 1/32 ply top cover Frame 4 piece sheet central slot ply actuator support Frame F5 built up sheet F6 sheet Join two fuselage sides frames add sq cross mem bers shown sides joined rear scrap block balsa Fill side frames between Fl F3 sheet add F2 1/16 top side sheet ing shown A-A plan Follow 1/32 sheeting cabin floor Make F7 F8 F9 sheet glue place followed 3/32 stringers Add 1/16 X strips along side Soft balsa blocks around nose 3/16 sheeting bottom finish off basic body Sand nose contour pleasing shape ply bridge actua tor support finishes off basic fuselage After gluing celluloid windows 1/32 balsa sheeting glued top widen window frames produce rear window shape scrap block balsa across front windscreen top helps sup port celluloid Trim block shape wing position Fairings 1/16 sheet balsa glued landing gear wire legs Cover tissue additional strength After final sanding tail surfaces can glued place fuselage can covered tissue discussed later Stabilizer Pin down leading trailing edge strips Roughly shape tip pieces sheet glue place Continued page 161 August 1983 89 Wire loop bolted rudder can raised lowered increase decrease throw rudder action imparted extension torque rod soldered proper alignment Very important have low-resistance hinging method sewing recommended Ace pulse actuator comes view wing removed well foam wrapping receiver batteries Theres plenty room servicing everything Dihedral braces glued onto both aides spars center section Shear webs go side spars adjacent panels trailing edge /a x 1/2 leading edge 1/a sq prop bend shaft over make freewheeling catch Theres no need winding ioop models con venient wind rear winder Have someone hold prop hub wind normal direction Make up landing gear wire now dont install until after covering wheels made two layers /32 sheet piece /i-in aluminum tubing bearing could also make wheels meat-tray-type foam con sider using commercial plastic hardwood wheels will probably weight about much whole modeland will se verely limit flying capability Use sanding block smooth builtup structures clear dope adhe sive cover part its piece tissue body covered its left side viewed rear wing tail covered upper surfaces have trimmed tissue carefully youre finished covering Dont water-spray dope tissue dont know what warps until see what water regular dope can single-surface-covered model Actually probably could apply very thin coat Sig LiteCote non-tautening dope add some strength tissue havent found necessary flying models Arizona desert rough ontissue Lay body down its left covered side glue motor stick Fit wing place glue Add small fill-in pieces cover green tissue Sand mating edges tail halves join dry fit glue tail its opening body Make slot landing gear razor saw Glue landing gear wire hold wheels tiny droplets glue Check wing tail warps Straighten necessary using heat electric stove burner Use steam dont have dry heat source steam can cause some shrinkage may lead warps Make up rubber motor fit place Check balance neces sary add some clay front back body model required small bit clay under tail Flying Try some test glides will fairly steep due high drag open structure Watch sharp-turning ten dencies should corrected warp ing tail V-tail half acts like combination rudder elevator right tail warped downward acts like left rudder plus down elevator offset tight right turn bend left tail up slightly bend right tail down bit less Some adjustment balance might also helpful Try some low-power flights 50 100 turns model stalls bend bit downthrust wont climb try some winds doesnt help warp both tail halves up slightly until will climb change will affect glide require bit clay added front body Swee Pea climbs left about 25-ft-dia circles due bit left thrust motor runs out turns right glide circles about same size longer flights use winder longer motor can also used Maximum turns determined type rubber have whether use rubber lubeand other variables such age motor temperature fly Wind up motor hook nail until bursts use number turns less 10% practical limit As what flight times should ex pect lightly built Swee Pea should easily capable 40-60 sec tlights thermals No-Cals dont really glide efficiently very light can pick up thermals easilyso longer flights possible Hope enjoy Swee Pea try get some friends build No Cals have contest Mass launches fun last down winner Enjoy Sporiwagon Jr/Headley Continued page 89 Place ribs followed /x sq spar sure leave A-in gap between center ribs later fin can inserted dry remove build ing board sand tip pieces final shape sand over until smooth Fin rudder cut sheetfirm too heavy Sand edges round sides smooth hinge together photos plan show sewn hinge Ive found effective pulsed rudder hinge must almost free friction pulser isnt very powerful careful step dont end up unbendable hinge method drill required holes fin rudder 1/16-in drill sew rudder fin carpet thread pattern shown plan finished thread stabilized small drop glue hole Assembly After stabilizer covered doped remove tissue center slot glue fin place Make sure rudder doesnt bind top stab unit can now glued uncovered fuselage Cover fuselage next Finishing Cover lightweight tissue After water-shrinking apply couple coats clear dope further two coats color should produce durable finish prototype painted red over exception rudder Black trim ap plied around windscreen along body name other letters done stick-on vinyl Radio installation front portion cabin between F3 F4 large enough battery receiver should Flite Line Models over 20 years have made some easiest buildbest flying kits money can buy real treat try see Manufactured modelers modelers 1940 eng3 5 ch Scat Cat 500 $4695 winningest 500 racer ever EZ Trainer$4695 1935eng3ch EZ Sport $4595 19-4 0 t Second Plane Skooter II$4295 alsa w ng sk nsl $469S An Old Favo te S l94Oeng 4ch EZ Fli $4995 Aileron Trainer 1940 eng4 ch NEW Fun Fli4O $4195 1940 eng4 ch Oocile 1925 Hot Rod 40 COMING SOON Fun Fli 60 $5595 4060 eng4 ch Most kits may built either standard trike gear Kits feature precision hand cut parts AAA materials formed gear hinges horns etc SEE YOUR DEALER OealersOisiribotorssiandard Oiscounts 3207 34th St Lubbock TX 79410 806792-2671 August 1983 161 NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169
Edition: Model Aviation - 1983/08
Page Numbers: 86, 87, 88, 89, 161, 162
y tQ carry ir wing rubb L r- ti LWUUFIII9 iodelh tempted als& Sii main interest ra olIege years strictly caDital C ne ne reaso asic F PqWer models low aspect ratK hot diesel pured m ether castor oiland nnrateu other Although won few contests about later great fun background its complete mys tery built obtiined Sportwagon Sportwagon famil iar design product fertile brain Calhoun Smith plans 86 Model Aviation aces its ancestry sport Free F Smith Builds quickly arid ecor Uses flying 02 Cox- Peethe Ace sytem Its basic looks U Jack wanted ished short-lived magazine England during Fifties design antithesis type model cabin wheels cavernous fuselage However good flier used both fun contest work usually obtaining consistent max out sight score best-remembered type result flight contest Huddersfield usual went out-ofsight after few minutes wind always blows Huddersfield finally landed golf course Halifax cant recall what happened model end does anyone remember fate old relics however year ago got urge remake Sportwagon friend Toronto happened have copy original English maga zine prevailed him Xerox copy thanks Mike set about scaling up However usual grasshopper mind took left turn Rather remaking full-sized bird decided produce singlechannel version fly local park single-channel model subject article Someday however Im sure Ill remake original Does anyone out have Elfin 1 8 diesel tubular tank back might need Construction model shown plans just scaled-down version original did quite bit redesign work simplification though think pre served original flavor its big brother prototype built very leisurely during rainy week using slow super glues built primarily Ace pulse radio theres no reason small Cannon two-channel set couldnt have used addition small elevator back stabilizer However following notes strictly singlechannel model Wing made initially single piece cut two halves re-joined correct dihedral angle Start pin ning down lower main spar trailing edge strip onto plans Make wing ribs favorite manner make hard balsa template cut out quickly assemble block sand saw out spar notches Glue ribs place except center tip ones add leading edge strip /8 sheet wing tips cut out added next followed tip ribs upper main spar Carefully cut wing half center sand resulting spar ends correct bevel Make wing joiners hard sheet Re-join wing pieces done following manner Pin wing halves onto plan find solid block prop up other wing tip use scrap off old 2 x 4 purpose Move block around until correct height found under tip case 4 Glue August 1983 87 Charming Lisa Headley poses fathers tiny lightweight RC design original covered tissue given two coats clear dope followed two Coats red except rudder FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 COVER OP CENTER SECTION AND TOP OF LE WITH IAiSHEET PI-PLT FS- NI46 SN 32SHAROUND SCRAPWINDOWS BLOCK PLANKING 4 15 SN PEE WEE LASc0 ENES Vs AND RUDDER HHt HEE AD UNGE 6WR U AND OROS/ /WRE00 ABE _______ P3 FR F PR61/16 PLT SN 346SHpPBBASIC 850 ERA SHPWNME P6 PUSELASE ARD PROFILE____tSH TAILPLANE RIBJ165H BDOWELSIDE STBINISEBN1f6 I _______________ F op ONLT Pr COVER AREA SHORJN THUS I6SHEET LE 3 4650 SCRAP BLOCK PB ALL BSH PR B SHEET TIPS /K SAP POP PIN Sportwagon Jr WEIGH T-7BOZ SCALEINS ends spars together add wing joiners clothespins make handy clamps final operation center-section ribs will now need little modification before will fit 1/32 sheeting comes now added upper leading edge top center section scrap sheeting used spar web second rib bay careful sanding over will make wing ready covering Fuselage Before starting lets say few words about construction par ticular model also what plans show basic body made two side 88 Model Aviation 2 DIHEDRAL HERE LE~BSIiUARE — _-_ --- --- _-7SNMAIN SPARS ALL RIBS SPAR WEBfraso 46 SNOB11 R2B152R2R2R2P2 CE R2- _______ _______ _______________________ 8 ____ ____ ____ ________ ____ _____________ ALL BALSA UNLESS NOTED Note top spar must separate piece tip same leading edge sheeting Tip shape cut 1/ sheet several pieces noting grain direction shown plans Fuselage basically box starts two sides made I/ sq balsa Landing gear fairings 1/16 balsa covered tissue Bare bones constructed sanded ready covering wouldnt surprise us point decidd using transparent type covering author did frames sq sides emphasized drawing cross hatching joined together various frames sq cross members make up basic fuselage box soften boxy look 3/32 sq sub structure added bottom side 1/16 x strips shown phantom plan along fuselage sides nose rounded off aid soft balsa blocks sheeting Study plans before starting build Begin sq side frames Pin top bottom longerons onto plans / x wing runners lower window longeron Glue various crosspieces place dry make another identical side frame frames come next Ft cut ply should drilled engine mounting time F2 made 1/16 sheet slightly bevelled bot tom edge F3 little complicated holds landing gear wire place Before making F3 its necessary bend landing gear shape 1/16 wire Cut top pieces frame sheet glue together 1/32 ply backplate 1/16 sheet insert Make another 1/16 sheet insert time cut away trap gear wire place Add sheet together wire epoxy place follow 1/32 ply top cover Frame 4 piece sheet central slot ply actuator support Frame F5 built up sheet F6 sheet Join two fuselage sides frames add sq cross mem bers shown sides joined rear scrap block balsa Fill side frames between Fl F3 sheet add F2 1/16 top side sheet ing shown A-A plan Follow 1/32 sheeting cabin floor Make F7 F8 F9 sheet glue place followed 3/32 stringers Add 1/16 X strips along side Soft balsa blocks around nose 3/16 sheeting bottom finish off basic body Sand nose contour pleasing shape ply bridge actua tor support finishes off basic fuselage After gluing celluloid windows 1/32 balsa sheeting glued top widen window frames produce rear window shape scrap block balsa across front windscreen top helps sup port celluloid Trim block shape wing position Fairings 1/16 sheet balsa glued landing gear wire legs Cover tissue additional strength After final sanding tail surfaces can glued place fuselage can covered tissue discussed later Stabilizer Pin down leading trailing edge strips Roughly shape tip pieces sheet glue place Continued page 161 August 1983 89 Wire loop bolted rudder can raised lowered increase decrease throw rudder action imparted extension torque rod soldered proper alignment Very important have low-resistance hinging method sewing recommended Ace pulse actuator comes view wing removed well foam wrapping receiver batteries Theres plenty room servicing everything Dihedral braces glued onto both aides spars center section Shear webs go side spars adjacent panels trailing edge /a x 1/2 leading edge 1/a sq prop bend shaft over make freewheeling catch Theres no need winding ioop models con venient wind rear winder Have someone hold prop hub wind normal direction Make up landing gear wire now dont install until after covering wheels made two layers /32 sheet piece /i-in aluminum tubing bearing could also make wheels meat-tray-type foam con sider using commercial plastic hardwood wheels will probably weight about much whole modeland will se verely limit flying capability Use sanding block smooth builtup structures clear dope adhe sive cover part its piece tissue body covered its left side viewed rear wing tail covered upper surfaces have trimmed tissue carefully youre finished covering Dont water-spray dope tissue dont know what warps until see what water regular dope can single-surface-covered model Actually probably could apply very thin coat Sig LiteCote non-tautening dope add some strength tissue havent found necessary flying models Arizona desert rough ontissue Lay body down its left covered side glue motor stick Fit wing place glue Add small fill-in pieces cover green tissue Sand mating edges tail halves join dry fit glue tail its opening body Make slot landing gear razor saw Glue landing gear wire hold wheels tiny droplets glue Check wing tail warps Straighten necessary using heat electric stove burner Use steam dont have dry heat source steam can cause some shrinkage may lead warps Make up rubber motor fit place Check balance neces sary add some clay front back body model required small bit clay under tail Flying Try some test glides will fairly steep due high drag open structure Watch sharp-turning ten dencies should corrected warp ing tail V-tail half acts like combination rudder elevator right tail warped downward acts like left rudder plus down elevator offset tight right turn bend left tail up slightly bend right tail down bit less Some adjustment balance might also helpful Try some low-power flights 50 100 turns model stalls bend bit downthrust wont climb try some winds doesnt help warp both tail halves up slightly until will climb change will affect glide require bit clay added front body Swee Pea climbs left about 25-ft-dia circles due bit left thrust motor runs out turns right glide circles about same size longer flights use winder longer motor can also used Maximum turns determined type rubber have whether use rubber lubeand other variables such age motor temperature fly Wind up motor hook nail until bursts use number turns less 10% practical limit As what flight times should ex pect lightly built Swee Pea should easily capable 40-60 sec tlights thermals No-Cals dont really glide efficiently very light can pick up thermals easilyso longer flights possible Hope enjoy Swee Pea try get some friends build No Cals have contest Mass launches fun last down winner Enjoy Sporiwagon Jr/Headley Continued page 89 Place ribs followed /x sq spar sure leave A-in gap between center ribs later fin can inserted dry remove build ing board sand tip pieces final shape sand over until smooth Fin rudder cut sheetfirm too heavy Sand edges round sides smooth hinge together photos plan show sewn hinge Ive found effective pulsed rudder hinge must almost free friction pulser isnt very powerful careful step dont end up unbendable hinge method drill required holes fin rudder 1/16-in drill sew rudder fin carpet thread pattern shown plan finished thread stabilized small drop glue hole Assembly After stabilizer covered doped remove tissue center slot glue fin place Make sure rudder doesnt bind top stab unit can now glued uncovered fuselage Cover fuselage next Finishing Cover lightweight tissue After water-shrinking apply couple coats clear dope further two coats color should produce durable finish prototype painted red over exception rudder Black trim ap plied around windscreen along body name other letters done stick-on vinyl Radio installation front portion cabin between F3 F4 large enough battery receiver should Flite Line Models over 20 years have made some easiest buildbest flying kits money can buy real treat try see Manufactured modelers modelers 1940 eng3 5 ch Scat Cat 500 $4695 winningest 500 racer ever EZ Trainer$4695 1935eng3ch EZ Sport $4595 19-4 0 t Second Plane Skooter II$4295 alsa w ng sk nsl $469S An Old Favo te S l94Oeng 4ch EZ Fli $4995 Aileron Trainer 1940 eng4 ch NEW Fun Fli4O $4195 1940 eng4 ch Oocile 1925 Hot Rod 40 COMING SOON Fun Fli 60 $5595 4060 eng4 ch Most kits may built either standard trike gear Kits feature precision hand cut parts AAA materials formed gear hinges horns etc SEE YOUR DEALER OealersOisiribotorssiandard Oiscounts 3207 34th St Lubbock TX 79410 806792-2671 August 1983 161 NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169
Edition: Model Aviation - 1983/08
Page Numbers: 86, 87, 88, 89, 161, 162
y tQ carry ir wing rubb L r- ti LWUUFIII9 iodelh tempted als& Sii main interest ra olIege years strictly caDital C ne ne reaso asic F PqWer models low aspect ratK hot diesel pured m ether castor oiland nnrateu other Although won few contests about later great fun background its complete mys tery built obtiined Sportwagon Sportwagon famil iar design product fertile brain Calhoun Smith plans 86 Model Aviation aces its ancestry sport Free F Smith Builds quickly arid ecor Uses flying 02 Cox- Peethe Ace sytem Its basic looks U Jack wanted ished short-lived magazine England during Fifties design antithesis type model cabin wheels cavernous fuselage However good flier used both fun contest work usually obtaining consistent max out sight score best-remembered type result flight contest Huddersfield usual went out-ofsight after few minutes wind always blows Huddersfield finally landed golf course Halifax cant recall what happened model end does anyone remember fate old relics however year ago got urge remake Sportwagon friend Toronto happened have copy original English maga zine prevailed him Xerox copy thanks Mike set about scaling up However usual grasshopper mind took left turn Rather remaking full-sized bird decided produce singlechannel version fly local park single-channel model subject article Someday however Im sure Ill remake original Does anyone out have Elfin 1 8 diesel tubular tank back might need Construction model shown plans just scaled-down version original did quite bit redesign work simplification though think pre served original flavor its big brother prototype built very leisurely during rainy week using slow super glues built primarily Ace pulse radio theres no reason small Cannon two-channel set couldnt have used addition small elevator back stabilizer However following notes strictly singlechannel model Wing made initially single piece cut two halves re-joined correct dihedral angle Start pin ning down lower main spar trailing edge strip onto plans Make wing ribs favorite manner make hard balsa template cut out quickly assemble block sand saw out spar notches Glue ribs place except center tip ones add leading edge strip /8 sheet wing tips cut out added next followed tip ribs upper main spar Carefully cut wing half center sand resulting spar ends correct bevel Make wing joiners hard sheet Re-join wing pieces done following manner Pin wing halves onto plan find solid block prop up other wing tip use scrap off old 2 x 4 purpose Move block around until correct height found under tip case 4 Glue August 1983 87 Charming Lisa Headley poses fathers tiny lightweight RC design original covered tissue given two coats clear dope followed two Coats red except rudder FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 COVER OP CENTER SECTION AND TOP OF LE WITH IAiSHEET PI-PLT FS- NI46 SN 32SHAROUND SCRAPWINDOWS BLOCK PLANKING 4 15 SN PEE WEE LASc0 ENES Vs AND RUDDER HHt HEE AD UNGE 6WR U AND OROS/ /WRE00 ABE _______ P3 FR F PR61/16 PLT SN 346SHpPBBASIC 850 ERA SHPWNME P6 PUSELASE ARD PROFILE____tSH TAILPLANE RIBJ165H BDOWELSIDE STBINISEBN1f6 I _______________ F op ONLT Pr COVER AREA SHORJN THUS I6SHEET LE 3 4650 SCRAP BLOCK PB ALL BSH PR B SHEET TIPS /K SAP POP PIN Sportwagon Jr WEIGH T-7BOZ SCALEINS ends spars together add wing joiners clothespins make handy clamps final operation center-section ribs will now need little modification before will fit 1/32 sheeting comes now added upper leading edge top center section scrap sheeting used spar web second rib bay careful sanding over will make wing ready covering Fuselage Before starting lets say few words about construction par ticular model also what plans show basic body made two side 88 Model Aviation 2 DIHEDRAL HERE LE~BSIiUARE — _-_ --- --- _-7SNMAIN SPARS ALL RIBS SPAR WEBfraso 46 SNOB11 R2B152R2R2R2P2 CE R2- _______ _______ _______________________ 8 ____ ____ ____ ________ ____ _____________ ALL BALSA UNLESS NOTED Note top spar must separate piece tip same leading edge sheeting Tip shape cut 1/ sheet several pieces noting grain direction shown plans Fuselage basically box starts two sides made I/ sq balsa Landing gear fairings 1/16 balsa covered tissue Bare bones constructed sanded ready covering wouldnt surprise us point decidd using transparent type covering author did frames sq sides emphasized drawing cross hatching joined together various frames sq cross members make up basic fuselage box soften boxy look 3/32 sq sub structure added bottom side 1/16 x strips shown phantom plan along fuselage sides nose rounded off aid soft balsa blocks sheeting Study plans before starting build Begin sq side frames Pin top bottom longerons onto plans / x wing runners lower window longeron Glue various crosspieces place dry make another identical side frame frames come next Ft cut ply should drilled engine mounting time F2 made 1/16 sheet slightly bevelled bot tom edge F3 little complicated holds landing gear wire place Before making F3 its necessary bend landing gear shape 1/16 wire Cut top pieces frame sheet glue together 1/32 ply backplate 1/16 sheet insert Make another 1/16 sheet insert time cut away trap gear wire place Add sheet together wire epoxy place follow 1/32 ply top cover Frame 4 piece sheet central slot ply actuator support Frame F5 built up sheet F6 sheet Join two fuselage sides frames add sq cross mem bers shown sides joined rear scrap block balsa Fill side frames between Fl F3 sheet add F2 1/16 top side sheet ing shown A-A plan Follow 1/32 sheeting cabin floor Make F7 F8 F9 sheet glue place followed 3/32 stringers Add 1/16 X strips along side Soft balsa blocks around nose 3/16 sheeting bottom finish off basic body Sand nose contour pleasing shape ply bridge actua tor support finishes off basic fuselage After gluing celluloid windows 1/32 balsa sheeting glued top widen window frames produce rear window shape scrap block balsa across front windscreen top helps sup port celluloid Trim block shape wing position Fairings 1/16 sheet balsa glued landing gear wire legs Cover tissue additional strength After final sanding tail surfaces can glued place fuselage can covered tissue discussed later Stabilizer Pin down leading trailing edge strips Roughly shape tip pieces sheet glue place Continued page 161 August 1983 89 Wire loop bolted rudder can raised lowered increase decrease throw rudder action imparted extension torque rod soldered proper alignment Very important have low-resistance hinging method sewing recommended Ace pulse actuator comes view wing removed well foam wrapping receiver batteries Theres plenty room servicing everything Dihedral braces glued onto both aides spars center section Shear webs go side spars adjacent panels trailing edge /a x 1/2 leading edge 1/a sq prop bend shaft over make freewheeling catch Theres no need winding ioop models con venient wind rear winder Have someone hold prop hub wind normal direction Make up landing gear wire now dont install until after covering wheels made two layers /32 sheet piece /i-in aluminum tubing bearing could also make wheels meat-tray-type foam con sider using commercial plastic hardwood wheels will probably weight about much whole modeland will se verely limit flying capability Use sanding block smooth builtup structures clear dope adhe sive cover part its piece tissue body covered its left side viewed rear wing tail covered upper surfaces have trimmed tissue carefully youre finished covering Dont water-spray dope tissue dont know what warps until see what water regular dope can single-surface-covered model Actually probably could apply very thin coat Sig LiteCote non-tautening dope add some strength tissue havent found necessary flying models Arizona desert rough ontissue Lay body down its left covered side glue motor stick Fit wing place glue Add small fill-in pieces cover green tissue Sand mating edges tail halves join dry fit glue tail its opening body Make slot landing gear razor saw Glue landing gear wire hold wheels tiny droplets glue Check wing tail warps Straighten necessary using heat electric stove burner Use steam dont have dry heat source steam can cause some shrinkage may lead warps Make up rubber motor fit place Check balance neces sary add some clay front back body model required small bit clay under tail Flying Try some test glides will fairly steep due high drag open structure Watch sharp-turning ten dencies should corrected warp ing tail V-tail half acts like combination rudder elevator right tail warped downward acts like left rudder plus down elevator offset tight right turn bend left tail up slightly bend right tail down bit less Some adjustment balance might also helpful Try some low-power flights 50 100 turns model stalls bend bit downthrust wont climb try some winds doesnt help warp both tail halves up slightly until will climb change will affect glide require bit clay added front body Swee Pea climbs left about 25-ft-dia circles due bit left thrust motor runs out turns right glide circles about same size longer flights use winder longer motor can also used Maximum turns determined type rubber have whether use rubber lubeand other variables such age motor temperature fly Wind up motor hook nail until bursts use number turns less 10% practical limit As what flight times should ex pect lightly built Swee Pea should easily capable 40-60 sec tlights thermals No-Cals dont really glide efficiently very light can pick up thermals easilyso longer flights possible Hope enjoy Swee Pea try get some friends build No Cals have contest Mass launches fun last down winner Enjoy Sporiwagon Jr/Headley Continued page 89 Place ribs followed /x sq spar sure leave A-in gap between center ribs later fin can inserted dry remove build ing board sand tip pieces final shape sand over until smooth Fin rudder cut sheetfirm too heavy Sand edges round sides smooth hinge together photos plan show sewn hinge Ive found effective pulsed rudder hinge must almost free friction pulser isnt very powerful careful step dont end up unbendable hinge method drill required holes fin rudder 1/16-in drill sew rudder fin carpet thread pattern shown plan finished thread stabilized small drop glue hole Assembly After stabilizer covered doped remove tissue center slot glue fin place Make sure rudder doesnt bind top stab unit can now glued uncovered fuselage Cover fuselage next Finishing Cover lightweight tissue After water-shrinking apply couple coats clear dope further two coats color should produce durable finish prototype painted red over exception rudder Black trim ap plied around windscreen along body name other letters done stick-on vinyl Radio installation front portion cabin between F3 F4 large enough battery receiver should Flite Line Models over 20 years have made some easiest buildbest flying kits money can buy real treat try see Manufactured modelers modelers 1940 eng3 5 ch Scat Cat 500 $4695 winningest 500 racer ever EZ Trainer$4695 1935eng3ch EZ Sport $4595 19-4 0 t Second Plane Skooter II$4295 alsa w ng sk nsl $469S An Old Favo te S l94Oeng 4ch EZ Fli $4995 Aileron Trainer 1940 eng4 ch NEW Fun Fli4O $4195 1940 eng4 ch Oocile 1925 Hot Rod 40 COMING SOON Fun Fli 60 $5595 4060 eng4 ch Most kits may built either standard trike gear Kits feature precision hand cut parts AAA materials formed gear hinges horns etc SEE YOUR DEALER OealersOisiribotorssiandard Oiscounts 3207 34th St Lubbock TX 79410 806792-2671 August 1983 161 NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169
Edition: Model Aviation - 1983/08
Page Numbers: 86, 87, 88, 89, 161, 162
y tQ carry ir wing rubb L r- ti LWUUFIII9 iodelh tempted als& Sii main interest ra olIege years strictly caDital C ne ne reaso asic F PqWer models low aspect ratK hot diesel pured m ether castor oiland nnrateu other Although won few contests about later great fun background its complete mys tery built obtiined Sportwagon Sportwagon famil iar design product fertile brain Calhoun Smith plans 86 Model Aviation aces its ancestry sport Free F Smith Builds quickly arid ecor Uses flying 02 Cox- Peethe Ace sytem Its basic looks U Jack wanted ished short-lived magazine England during Fifties design antithesis type model cabin wheels cavernous fuselage However good flier used both fun contest work usually obtaining consistent max out sight score best-remembered type result flight contest Huddersfield usual went out-ofsight after few minutes wind always blows Huddersfield finally landed golf course Halifax cant recall what happened model end does anyone remember fate old relics however year ago got urge remake Sportwagon friend Toronto happened have copy original English maga zine prevailed him Xerox copy thanks Mike set about scaling up However usual grasshopper mind took left turn Rather remaking full-sized bird decided produce singlechannel version fly local park single-channel model subject article Someday however Im sure Ill remake original Does anyone out have Elfin 1 8 diesel tubular tank back might need Construction model shown plans just scaled-down version original did quite bit redesign work simplification though think pre served original flavor its big brother prototype built very leisurely during rainy week using slow super glues built primarily Ace pulse radio theres no reason small Cannon two-channel set couldnt have used addition small elevator back stabilizer However following notes strictly singlechannel model Wing made initially single piece cut two halves re-joined correct dihedral angle Start pin ning down lower main spar trailing edge strip onto plans Make wing ribs favorite manner make hard balsa template cut out quickly assemble block sand saw out spar notches Glue ribs place except center tip ones add leading edge strip /8 sheet wing tips cut out added next followed tip ribs upper main spar Carefully cut wing half center sand resulting spar ends correct bevel Make wing joiners hard sheet Re-join wing pieces done following manner Pin wing halves onto plan find solid block prop up other wing tip use scrap off old 2 x 4 purpose Move block around until correct height found under tip case 4 Glue August 1983 87 Charming Lisa Headley poses fathers tiny lightweight RC design original covered tissue given two coats clear dope followed two Coats red except rudder FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 COVER OP CENTER SECTION AND TOP OF LE WITH IAiSHEET PI-PLT FS- NI46 SN 32SHAROUND SCRAPWINDOWS BLOCK PLANKING 4 15 SN PEE WEE LASc0 ENES Vs AND RUDDER HHt HEE AD UNGE 6WR U AND OROS/ /WRE00 ABE _______ P3 FR F PR61/16 PLT SN 346SHpPBBASIC 850 ERA SHPWNME P6 PUSELASE ARD PROFILE____tSH TAILPLANE RIBJ165H BDOWELSIDE STBINISEBN1f6 I _______________ F op ONLT Pr COVER AREA SHORJN THUS I6SHEET LE 3 4650 SCRAP BLOCK PB ALL BSH PR B SHEET TIPS /K SAP POP PIN Sportwagon Jr WEIGH T-7BOZ SCALEINS ends spars together add wing joiners clothespins make handy clamps final operation center-section ribs will now need little modification before will fit 1/32 sheeting comes now added upper leading edge top center section scrap sheeting used spar web second rib bay careful sanding over will make wing ready covering Fuselage Before starting lets say few words about construction par ticular model also what plans show basic body made two side 88 Model Aviation 2 DIHEDRAL HERE LE~BSIiUARE — _-_ --- --- _-7SNMAIN SPARS ALL RIBS SPAR WEBfraso 46 SNOB11 R2B152R2R2R2P2 CE R2- _______ _______ _______________________ 8 ____ ____ ____ ________ ____ _____________ ALL BALSA UNLESS NOTED Note top spar must separate piece tip same leading edge sheeting Tip shape cut 1/ sheet several pieces noting grain direction shown plans Fuselage basically box starts two sides made I/ sq balsa Landing gear fairings 1/16 balsa covered tissue Bare bones constructed sanded ready covering wouldnt surprise us point decidd using transparent type covering author did frames sq sides emphasized drawing cross hatching joined together various frames sq cross members make up basic fuselage box soften boxy look 3/32 sq sub structure added bottom side 1/16 x strips shown phantom plan along fuselage sides nose rounded off aid soft balsa blocks sheeting Study plans before starting build Begin sq side frames Pin top bottom longerons onto plans / x wing runners lower window longeron Glue various crosspieces place dry make another identical side frame frames come next Ft cut ply should drilled engine mounting time F2 made 1/16 sheet slightly bevelled bot tom edge F3 little complicated holds landing gear wire place Before making F3 its necessary bend landing gear shape 1/16 wire Cut top pieces frame sheet glue together 1/32 ply backplate 1/16 sheet insert Make another 1/16 sheet insert time cut away trap gear wire place Add sheet together wire epoxy place follow 1/32 ply top cover Frame 4 piece sheet central slot ply actuator support Frame F5 built up sheet F6 sheet Join two fuselage sides frames add sq cross mem bers shown sides joined rear scrap block balsa Fill side frames between Fl F3 sheet add F2 1/16 top side sheet ing shown A-A plan Follow 1/32 sheeting cabin floor Make F7 F8 F9 sheet glue place followed 3/32 stringers Add 1/16 X strips along side Soft balsa blocks around nose 3/16 sheeting bottom finish off basic body Sand nose contour pleasing shape ply bridge actua tor support finishes off basic fuselage After gluing celluloid windows 1/32 balsa sheeting glued top widen window frames produce rear window shape scrap block balsa across front windscreen top helps sup port celluloid Trim block shape wing position Fairings 1/16 sheet balsa glued landing gear wire legs Cover tissue additional strength After final sanding tail surfaces can glued place fuselage can covered tissue discussed later Stabilizer Pin down leading trailing edge strips Roughly shape tip pieces sheet glue place Continued page 161 August 1983 89 Wire loop bolted rudder can raised lowered increase decrease throw rudder action imparted extension torque rod soldered proper alignment Very important have low-resistance hinging method sewing recommended Ace pulse actuator comes view wing removed well foam wrapping receiver batteries Theres plenty room servicing everything Dihedral braces glued onto both aides spars center section Shear webs go side spars adjacent panels trailing edge /a x 1/2 leading edge 1/a sq prop bend shaft over make freewheeling catch Theres no need winding ioop models con venient wind rear winder Have someone hold prop hub wind normal direction Make up landing gear wire now dont install until after covering wheels made two layers /32 sheet piece /i-in aluminum tubing bearing could also make wheels meat-tray-type foam con sider using commercial plastic hardwood wheels will probably weight about much whole modeland will se verely limit flying capability Use sanding block smooth builtup structures clear dope adhe sive cover part its piece tissue body covered its left side viewed rear wing tail covered upper surfaces have trimmed tissue carefully youre finished covering Dont water-spray dope tissue dont know what warps until see what water regular dope can single-surface-covered model Actually probably could apply very thin coat Sig LiteCote non-tautening dope add some strength tissue havent found necessary flying models Arizona desert rough ontissue Lay body down its left covered side glue motor stick Fit wing place glue Add small fill-in pieces cover green tissue Sand mating edges tail halves join dry fit glue tail its opening body Make slot landing gear razor saw Glue landing gear wire hold wheels tiny droplets glue Check wing tail warps Straighten necessary using heat electric stove burner Use steam dont have dry heat source steam can cause some shrinkage may lead warps Make up rubber motor fit place Check balance neces sary add some clay front back body model required small bit clay under tail Flying Try some test glides will fairly steep due high drag open structure Watch sharp-turning ten dencies should corrected warp ing tail V-tail half acts like combination rudder elevator right tail warped downward acts like left rudder plus down elevator offset tight right turn bend left tail up slightly bend right tail down bit less Some adjustment balance might also helpful Try some low-power flights 50 100 turns model stalls bend bit downthrust wont climb try some winds doesnt help warp both tail halves up slightly until will climb change will affect glide require bit clay added front body Swee Pea climbs left about 25-ft-dia circles due bit left thrust motor runs out turns right glide circles about same size longer flights use winder longer motor can also used Maximum turns determined type rubber have whether use rubber lubeand other variables such age motor temperature fly Wind up motor hook nail until bursts use number turns less 10% practical limit As what flight times should ex pect lightly built Swee Pea should easily capable 40-60 sec tlights thermals No-Cals dont really glide efficiently very light can pick up thermals easilyso longer flights possible Hope enjoy Swee Pea try get some friends build No Cals have contest Mass launches fun last down winner Enjoy Sporiwagon Jr/Headley Continued page 89 Place ribs followed /x sq spar sure leave A-in gap between center ribs later fin can inserted dry remove build ing board sand tip pieces final shape sand over until smooth Fin rudder cut sheetfirm too heavy Sand edges round sides smooth hinge together photos plan show sewn hinge Ive found effective pulsed rudder hinge must almost free friction pulser isnt very powerful careful step dont end up unbendable hinge method drill required holes fin rudder 1/16-in drill sew rudder fin carpet thread pattern shown plan finished thread stabilized small drop glue hole Assembly After stabilizer covered doped remove tissue center slot glue fin place Make sure rudder doesnt bind top stab unit can now glued uncovered fuselage Cover fuselage next Finishing Cover lightweight tissue After water-shrinking apply couple coats clear dope further two coats color should produce durable finish prototype painted red over exception rudder Black trim ap plied around windscreen along body name other letters done stick-on vinyl Radio installation front portion cabin between F3 F4 large enough battery receiver should Flite Line Models over 20 years have made some easiest buildbest flying kits money can buy real treat try see Manufactured modelers modelers 1940 eng3 5 ch Scat Cat 500 $4695 winningest 500 racer ever EZ Trainer$4695 1935eng3ch EZ Sport $4595 19-4 0 t Second Plane Skooter II$4295 alsa w ng sk nsl $469S An Old Favo te S l94Oeng 4ch EZ Fli $4995 Aileron Trainer 1940 eng4 ch NEW Fun Fli4O $4195 1940 eng4 ch Oocile 1925 Hot Rod 40 COMING SOON Fun Fli 60 $5595 4060 eng4 ch Most kits may built either standard trike gear Kits feature precision hand cut parts AAA materials formed gear hinges horns etc SEE YOUR DEALER OealersOisiribotorssiandard Oiscounts 3207 34th St Lubbock TX 79410 806792-2671 August 1983 161 NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169
Edition: Model Aviation - 1983/08
Page Numbers: 86, 87, 88, 89, 161, 162
y tQ carry ir wing rubb L r- ti LWUUFIII9 iodelh tempted als& Sii main interest ra olIege years strictly caDital C ne ne reaso asic F PqWer models low aspect ratK hot diesel pured m ether castor oiland nnrateu other Although won few contests about later great fun background its complete mys tery built obtiined Sportwagon Sportwagon famil iar design product fertile brain Calhoun Smith plans 86 Model Aviation aces its ancestry sport Free F Smith Builds quickly arid ecor Uses flying 02 Cox- Peethe Ace sytem Its basic looks U Jack wanted ished short-lived magazine England during Fifties design antithesis type model cabin wheels cavernous fuselage However good flier used both fun contest work usually obtaining consistent max out sight score best-remembered type result flight contest Huddersfield usual went out-ofsight after few minutes wind always blows Huddersfield finally landed golf course Halifax cant recall what happened model end does anyone remember fate old relics however year ago got urge remake Sportwagon friend Toronto happened have copy original English maga zine prevailed him Xerox copy thanks Mike set about scaling up However usual grasshopper mind took left turn Rather remaking full-sized bird decided produce singlechannel version fly local park single-channel model subject article Someday however Im sure Ill remake original Does anyone out have Elfin 1 8 diesel tubular tank back might need Construction model shown plans just scaled-down version original did quite bit redesign work simplification though think pre served original flavor its big brother prototype built very leisurely during rainy week using slow super glues built primarily Ace pulse radio theres no reason small Cannon two-channel set couldnt have used addition small elevator back stabilizer However following notes strictly singlechannel model Wing made initially single piece cut two halves re-joined correct dihedral angle Start pin ning down lower main spar trailing edge strip onto plans Make wing ribs favorite manner make hard balsa template cut out quickly assemble block sand saw out spar notches Glue ribs place except center tip ones add leading edge strip /8 sheet wing tips cut out added next followed tip ribs upper main spar Carefully cut wing half center sand resulting spar ends correct bevel Make wing joiners hard sheet Re-join wing pieces done following manner Pin wing halves onto plan find solid block prop up other wing tip use scrap off old 2 x 4 purpose Move block around until correct height found under tip case 4 Glue August 1983 87 Charming Lisa Headley poses fathers tiny lightweight RC design original covered tissue given two coats clear dope followed two Coats red except rudder FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 COVER OP CENTER SECTION AND TOP OF LE WITH IAiSHEET PI-PLT FS- NI46 SN 32SHAROUND SCRAPWINDOWS BLOCK PLANKING 4 15 SN PEE WEE LASc0 ENES Vs AND RUDDER HHt HEE AD UNGE 6WR U AND OROS/ /WRE00 ABE _______ P3 FR F PR61/16 PLT SN 346SHpPBBASIC 850 ERA SHPWNME P6 PUSELASE ARD PROFILE____tSH TAILPLANE RIBJ165H BDOWELSIDE STBINISEBN1f6 I _______________ F op ONLT Pr COVER AREA SHORJN THUS I6SHEET LE 3 4650 SCRAP BLOCK PB ALL BSH PR B SHEET TIPS /K SAP POP PIN Sportwagon Jr WEIGH T-7BOZ SCALEINS ends spars together add wing joiners clothespins make handy clamps final operation center-section ribs will now need little modification before will fit 1/32 sheeting comes now added upper leading edge top center section scrap sheeting used spar web second rib bay careful sanding over will make wing ready covering Fuselage Before starting lets say few words about construction par ticular model also what plans show basic body made two side 88 Model Aviation 2 DIHEDRAL HERE LE~BSIiUARE — _-_ --- --- _-7SNMAIN SPARS ALL RIBS SPAR WEBfraso 46 SNOB11 R2B152R2R2R2P2 CE R2- _______ _______ _______________________ 8 ____ ____ ____ ________ ____ _____________ ALL BALSA UNLESS NOTED Note top spar must separate piece tip same leading edge sheeting Tip shape cut 1/ sheet several pieces noting grain direction shown plans Fuselage basically box starts two sides made I/ sq balsa Landing gear fairings 1/16 balsa covered tissue Bare bones constructed sanded ready covering wouldnt surprise us point decidd using transparent type covering author did frames sq sides emphasized drawing cross hatching joined together various frames sq cross members make up basic fuselage box soften boxy look 3/32 sq sub structure added bottom side 1/16 x strips shown phantom plan along fuselage sides nose rounded off aid soft balsa blocks sheeting Study plans before starting build Begin sq side frames Pin top bottom longerons onto plans / x wing runners lower window longeron Glue various crosspieces place dry make another identical side frame frames come next Ft cut ply should drilled engine mounting time F2 made 1/16 sheet slightly bevelled bot tom edge F3 little complicated holds landing gear wire place Before making F3 its necessary bend landing gear shape 1/16 wire Cut top pieces frame sheet glue together 1/32 ply backplate 1/16 sheet insert Make another 1/16 sheet insert time cut away trap gear wire place Add sheet together wire epoxy place follow 1/32 ply top cover Frame 4 piece sheet central slot ply actuator support Frame F5 built up sheet F6 sheet Join two fuselage sides frames add sq cross mem bers shown sides joined rear scrap block balsa Fill side frames between Fl F3 sheet add F2 1/16 top side sheet ing shown A-A plan Follow 1/32 sheeting cabin floor Make F7 F8 F9 sheet glue place followed 3/32 stringers Add 1/16 X strips along side Soft balsa blocks around nose 3/16 sheeting bottom finish off basic body Sand nose contour pleasing shape ply bridge actua tor support finishes off basic fuselage After gluing celluloid windows 1/32 balsa sheeting glued top widen window frames produce rear window shape scrap block balsa across front windscreen top helps sup port celluloid Trim block shape wing position Fairings 1/16 sheet balsa glued landing gear wire legs Cover tissue additional strength After final sanding tail surfaces can glued place fuselage can covered tissue discussed later Stabilizer Pin down leading trailing edge strips Roughly shape tip pieces sheet glue place Continued page 161 August 1983 89 Wire loop bolted rudder can raised lowered increase decrease throw rudder action imparted extension torque rod soldered proper alignment Very important have low-resistance hinging method sewing recommended Ace pulse actuator comes view wing removed well foam wrapping receiver batteries Theres plenty room servicing everything Dihedral braces glued onto both aides spars center section Shear webs go side spars adjacent panels trailing edge /a x 1/2 leading edge 1/a sq prop bend shaft over make freewheeling catch Theres no need winding ioop models con venient wind rear winder Have someone hold prop hub wind normal direction Make up landing gear wire now dont install until after covering wheels made two layers /32 sheet piece /i-in aluminum tubing bearing could also make wheels meat-tray-type foam con sider using commercial plastic hardwood wheels will probably weight about much whole modeland will se verely limit flying capability Use sanding block smooth builtup structures clear dope adhe sive cover part its piece tissue body covered its left side viewed rear wing tail covered upper surfaces have trimmed tissue carefully youre finished covering Dont water-spray dope tissue dont know what warps until see what water regular dope can single-surface-covered model Actually probably could apply very thin coat Sig LiteCote non-tautening dope add some strength tissue havent found necessary flying models Arizona desert rough ontissue Lay body down its left covered side glue motor stick Fit wing place glue Add small fill-in pieces cover green tissue Sand mating edges tail halves join dry fit glue tail its opening body Make slot landing gear razor saw Glue landing gear wire hold wheels tiny droplets glue Check wing tail warps Straighten necessary using heat electric stove burner Use steam dont have dry heat source steam can cause some shrinkage may lead warps Make up rubber motor fit place Check balance neces sary add some clay front back body model required small bit clay under tail Flying Try some test glides will fairly steep due high drag open structure Watch sharp-turning ten dencies should corrected warp ing tail V-tail half acts like combination rudder elevator right tail warped downward acts like left rudder plus down elevator offset tight right turn bend left tail up slightly bend right tail down bit less Some adjustment balance might also helpful Try some low-power flights 50 100 turns model stalls bend bit downthrust wont climb try some winds doesnt help warp both tail halves up slightly until will climb change will affect glide require bit clay added front body Swee Pea climbs left about 25-ft-dia circles due bit left thrust motor runs out turns right glide circles about same size longer flights use winder longer motor can also used Maximum turns determined type rubber have whether use rubber lubeand other variables such age motor temperature fly Wind up motor hook nail until bursts use number turns less 10% practical limit As what flight times should ex pect lightly built Swee Pea should easily capable 40-60 sec tlights thermals No-Cals dont really glide efficiently very light can pick up thermals easilyso longer flights possible Hope enjoy Swee Pea try get some friends build No Cals have contest Mass launches fun last down winner Enjoy Sporiwagon Jr/Headley Continued page 89 Place ribs followed /x sq spar sure leave A-in gap between center ribs later fin can inserted dry remove build ing board sand tip pieces final shape sand over until smooth Fin rudder cut sheetfirm too heavy Sand edges round sides smooth hinge together photos plan show sewn hinge Ive found effective pulsed rudder hinge must almost free friction pulser isnt very powerful careful step dont end up unbendable hinge method drill required holes fin rudder 1/16-in drill sew rudder fin carpet thread pattern shown plan finished thread stabilized small drop glue hole Assembly After stabilizer covered doped remove tissue center slot glue fin place Make sure rudder doesnt bind top stab unit can now glued uncovered fuselage Cover fuselage next Finishing Cover lightweight tissue After water-shrinking apply couple coats clear dope further two coats color should produce durable finish prototype painted red over exception rudder Black trim ap plied around windscreen along body name other letters done stick-on vinyl Radio installation front portion cabin between F3 F4 large enough battery receiver should Flite Line Models over 20 years have made some easiest buildbest flying kits money can buy real treat try see Manufactured modelers modelers 1940 eng3 5 ch Scat Cat 500 $4695 winningest 500 racer ever EZ Trainer$4695 1935eng3ch EZ Sport $4595 19-4 0 t Second Plane Skooter II$4295 alsa w ng sk nsl $469S An Old Favo te S l94Oeng 4ch EZ Fli $4995 Aileron Trainer 1940 eng4 ch NEW Fun Fli4O $4195 1940 eng4 ch Oocile 1925 Hot Rod 40 COMING SOON Fun Fli 60 $5595 4060 eng4 ch Most kits may built either standard trike gear Kits feature precision hand cut parts AAA materials formed gear hinges horns etc SEE YOUR DEALER OealersOisiribotorssiandard Oiscounts 3207 34th St Lubbock TX 79410 806792-2671 August 1983 161 NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169
Edition: Model Aviation - 1983/08
Page Numbers: 86, 87, 88, 89, 161, 162
y tQ carry ir wing rubb L r- ti LWUUFIII9 iodelh tempted als& Sii main interest ra olIege years strictly caDital C ne ne reaso asic F PqWer models low aspect ratK hot diesel pured m ether castor oiland nnrateu other Although won few contests about later great fun background its complete mys tery built obtiined Sportwagon Sportwagon famil iar design product fertile brain Calhoun Smith plans 86 Model Aviation aces its ancestry sport Free F Smith Builds quickly arid ecor Uses flying 02 Cox- Peethe Ace sytem Its basic looks U Jack wanted ished short-lived magazine England during Fifties design antithesis type model cabin wheels cavernous fuselage However good flier used both fun contest work usually obtaining consistent max out sight score best-remembered type result flight contest Huddersfield usual went out-ofsight after few minutes wind always blows Huddersfield finally landed golf course Halifax cant recall what happened model end does anyone remember fate old relics however year ago got urge remake Sportwagon friend Toronto happened have copy original English maga zine prevailed him Xerox copy thanks Mike set about scaling up However usual grasshopper mind took left turn Rather remaking full-sized bird decided produce singlechannel version fly local park single-channel model subject article Someday however Im sure Ill remake original Does anyone out have Elfin 1 8 diesel tubular tank back might need Construction model shown plans just scaled-down version original did quite bit redesign work simplification though think pre served original flavor its big brother prototype built very leisurely during rainy week using slow super glues built primarily Ace pulse radio theres no reason small Cannon two-channel set couldnt have used addition small elevator back stabilizer However following notes strictly singlechannel model Wing made initially single piece cut two halves re-joined correct dihedral angle Start pin ning down lower main spar trailing edge strip onto plans Make wing ribs favorite manner make hard balsa template cut out quickly assemble block sand saw out spar notches Glue ribs place except center tip ones add leading edge strip /8 sheet wing tips cut out added next followed tip ribs upper main spar Carefully cut wing half center sand resulting spar ends correct bevel Make wing joiners hard sheet Re-join wing pieces done following manner Pin wing halves onto plan find solid block prop up other wing tip use scrap off old 2 x 4 purpose Move block around until correct height found under tip case 4 Glue August 1983 87 Charming Lisa Headley poses fathers tiny lightweight RC design original covered tissue given two coats clear dope followed two Coats red except rudder FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 COVER OP CENTER SECTION AND TOP OF LE WITH IAiSHEET PI-PLT FS- NI46 SN 32SHAROUND SCRAPWINDOWS BLOCK PLANKING 4 15 SN PEE WEE LASc0 ENES Vs AND RUDDER HHt HEE AD UNGE 6WR U AND OROS/ /WRE00 ABE _______ P3 FR F PR61/16 PLT SN 346SHpPBBASIC 850 ERA SHPWNME P6 PUSELASE ARD PROFILE____tSH TAILPLANE RIBJ165H BDOWELSIDE STBINISEBN1f6 I _______________ F op ONLT Pr COVER AREA SHORJN THUS I6SHEET LE 3 4650 SCRAP BLOCK PB ALL BSH PR B SHEET TIPS /K SAP POP PIN Sportwagon Jr WEIGH T-7BOZ SCALEINS ends spars together add wing joiners clothespins make handy clamps final operation center-section ribs will now need little modification before will fit 1/32 sheeting comes now added upper leading edge top center section scrap sheeting used spar web second rib bay careful sanding over will make wing ready covering Fuselage Before starting lets say few words about construction par ticular model also what plans show basic body made two side 88 Model Aviation 2 DIHEDRAL HERE LE~BSIiUARE — _-_ --- --- _-7SNMAIN SPARS ALL RIBS SPAR WEBfraso 46 SNOB11 R2B152R2R2R2P2 CE R2- _______ _______ _______________________ 8 ____ ____ ____ ________ ____ _____________ ALL BALSA UNLESS NOTED Note top spar must separate piece tip same leading edge sheeting Tip shape cut 1/ sheet several pieces noting grain direction shown plans Fuselage basically box starts two sides made I/ sq balsa Landing gear fairings 1/16 balsa covered tissue Bare bones constructed sanded ready covering wouldnt surprise us point decidd using transparent type covering author did frames sq sides emphasized drawing cross hatching joined together various frames sq cross members make up basic fuselage box soften boxy look 3/32 sq sub structure added bottom side 1/16 x strips shown phantom plan along fuselage sides nose rounded off aid soft balsa blocks sheeting Study plans before starting build Begin sq side frames Pin top bottom longerons onto plans / x wing runners lower window longeron Glue various crosspieces place dry make another identical side frame frames come next Ft cut ply should drilled engine mounting time F2 made 1/16 sheet slightly bevelled bot tom edge F3 little complicated holds landing gear wire place Before making F3 its necessary bend landing gear shape 1/16 wire Cut top pieces frame sheet glue together 1/32 ply backplate 1/16 sheet insert Make another 1/16 sheet insert time cut away trap gear wire place Add sheet together wire epoxy place follow 1/32 ply top cover Frame 4 piece sheet central slot ply actuator support Frame F5 built up sheet F6 sheet Join two fuselage sides frames add sq cross mem bers shown sides joined rear scrap block balsa Fill side frames between Fl F3 sheet add F2 1/16 top side sheet ing shown A-A plan Follow 1/32 sheeting cabin floor Make F7 F8 F9 sheet glue place followed 3/32 stringers Add 1/16 X strips along side Soft balsa blocks around nose 3/16 sheeting bottom finish off basic body Sand nose contour pleasing shape ply bridge actua tor support finishes off basic fuselage After gluing celluloid windows 1/32 balsa sheeting glued top widen window frames produce rear window shape scrap block balsa across front windscreen top helps sup port celluloid Trim block shape wing position Fairings 1/16 sheet balsa glued landing gear wire legs Cover tissue additional strength After final sanding tail surfaces can glued place fuselage can covered tissue discussed later Stabilizer Pin down leading trailing edge strips Roughly shape tip pieces sheet glue place Continued page 161 August 1983 89 Wire loop bolted rudder can raised lowered increase decrease throw rudder action imparted extension torque rod soldered proper alignment Very important have low-resistance hinging method sewing recommended Ace pulse actuator comes view wing removed well foam wrapping receiver batteries Theres plenty room servicing everything Dihedral braces glued onto both aides spars center section Shear webs go side spars adjacent panels trailing edge /a x 1/2 leading edge 1/a sq prop bend shaft over make freewheeling catch Theres no need winding ioop models con venient wind rear winder Have someone hold prop hub wind normal direction Make up landing gear wire now dont install until after covering wheels made two layers /32 sheet piece /i-in aluminum tubing bearing could also make wheels meat-tray-type foam con sider using commercial plastic hardwood wheels will probably weight about much whole modeland will se verely limit flying capability Use sanding block smooth builtup structures clear dope adhe sive cover part its piece tissue body covered its left side viewed rear wing tail covered upper surfaces have trimmed tissue carefully youre finished covering Dont water-spray dope tissue dont know what warps until see what water regular dope can single-surface-covered model Actually probably could apply very thin coat Sig LiteCote non-tautening dope add some strength tissue havent found necessary flying models Arizona desert rough ontissue Lay body down its left covered side glue motor stick Fit wing place glue Add small fill-in pieces cover green tissue Sand mating edges tail halves join dry fit glue tail its opening body Make slot landing gear razor saw Glue landing gear wire hold wheels tiny droplets glue Check wing tail warps Straighten necessary using heat electric stove burner Use steam dont have dry heat source steam can cause some shrinkage may lead warps Make up rubber motor fit place Check balance neces sary add some clay front back body model required small bit clay under tail Flying Try some test glides will fairly steep due high drag open structure Watch sharp-turning ten dencies should corrected warp ing tail V-tail half acts like combination rudder elevator right tail warped downward acts like left rudder plus down elevator offset tight right turn bend left tail up slightly bend right tail down bit less Some adjustment balance might also helpful Try some low-power flights 50 100 turns model stalls bend bit downthrust wont climb try some winds doesnt help warp both tail halves up slightly until will climb change will affect glide require bit clay added front body Swee Pea climbs left about 25-ft-dia circles due bit left thrust motor runs out turns right glide circles about same size longer flights use winder longer motor can also used Maximum turns determined type rubber have whether use rubber lubeand other variables such age motor temperature fly Wind up motor hook nail until bursts use number turns less 10% practical limit As what flight times should ex pect lightly built Swee Pea should easily capable 40-60 sec tlights thermals No-Cals dont really glide efficiently very light can pick up thermals easilyso longer flights possible Hope enjoy Swee Pea try get some friends build No Cals have contest Mass launches fun last down winner Enjoy Sporiwagon Jr/Headley Continued page 89 Place ribs followed /x sq spar sure leave A-in gap between center ribs later fin can inserted dry remove build ing board sand tip pieces final shape sand over until smooth Fin rudder cut sheetfirm too heavy Sand edges round sides smooth hinge together photos plan show sewn hinge Ive found effective pulsed rudder hinge must almost free friction pulser isnt very powerful careful step dont end up unbendable hinge method drill required holes fin rudder 1/16-in drill sew rudder fin carpet thread pattern shown plan finished thread stabilized small drop glue hole Assembly After stabilizer covered doped remove tissue center slot glue fin place Make sure rudder doesnt bind top stab unit can now glued uncovered fuselage Cover fuselage next Finishing Cover lightweight tissue After water-shrinking apply couple coats clear dope further two coats color should produce durable finish prototype painted red over exception rudder Black trim ap plied around windscreen along body name other letters done stick-on vinyl Radio installation front portion cabin between F3 F4 large enough battery receiver should Flite Line Models over 20 years have made some easiest buildbest flying kits money can buy real treat try see Manufactured modelers modelers 1940 eng3 5 ch Scat Cat 500 $4695 winningest 500 racer ever EZ Trainer$4695 1935eng3ch EZ Sport $4595 19-4 0 t Second Plane Skooter II$4295 alsa w ng sk nsl $469S An Old Favo te S l94Oeng 4ch EZ Fli $4995 Aileron Trainer 1940 eng4 ch NEW Fun Fli4O $4195 1940 eng4 ch Oocile 1925 Hot Rod 40 COMING SOON Fun Fli 60 $5595 4060 eng4 ch Most kits may built either standard trike gear Kits feature precision hand cut parts AAA materials formed gear hinges horns etc SEE YOUR DEALER OealersOisiribotorssiandard Oiscounts 3207 34th St Lubbock TX 79410 806792-2671 August 1983 161 NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169