NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911
Edition: Model Aviation - 1980/12
Page Numbers: 62, 63, 64, 65, 66, 124, 125
NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911
Edition: Model Aviation - 1980/12
Page Numbers: 62, 63, 64, 65, 66, 124, 125
NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911
Edition: Model Aviation - 1980/12
Page Numbers: 62, 63, 64, 65, 66, 124, 125
NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911
Edition: Model Aviation - 1980/12
Page Numbers: 62, 63, 64, 65, 66, 124, 125
NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911
Edition: Model Aviation - 1980/12
Page Numbers: 62, 63, 64, 65, 66, 124, 125
NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911
Edition: Model Aviation - 1980/12
Page Numbers: 62, 63, 64, 65, 66, 124, 125
NO OCR TEXT NO OCR TEXT PROFILE MODELS probably popular type Control Line sport models flying today good reason Theyre easy quick build theyre rugged can look good can perform welL continued commercial success over years demonstrates popularity modelers probably longest running CL kit history well known profile Sterlings famous Ring master remember Ringmaster sold $298 few years ago costs now buy piece -in balsa fuselage profiles still provide relatively low cost airplane sheet balsa tail surfaces solid profile fuselage leaves framework construction wing concerned Cutting down building time can provide modeler time experiment design variations profile flies well can get serious build same design real fuselage knock profiles fliers prefer build fly nothing else profile approach interested wanted get another Control Line project just another stunter something dif ferent twin- engined aircraft Profile construc tion would let get plane air quickly enjoy some twin-engine flying out work involved complex con struction Twins arent new course Modelers have always liked special twin sound two engines roaring together adds something special fun flying 1950s build twin CL aerobatic model two Fox 35s two profile fuselages took Nationals its short career ended practice flight inboard engine quit inappropriate time About six years ago twin urge hit again resulting time profile F-82 Twin Mustang again two Fox 35s good 63-in wingspan model tough transport current twin subject article favorite 53in wingspan two 20s its easy move around above its fun fly Designing T C Two began wing heart CL stunter Theres nothing new however just well proved approach ample area thick airfoil plenty flap area wingspan 53 airfoil thickness disregarding flaps 21% wing area 575 sq including 90 sq flap area Construction employs usual sheeted leading trailing edges two spars cap-strips block tips etc horizontal tail area 20% wing Distance between flap hinge line elevator hinge line 15 fuselage engine nacelle design worked out placing engine thrust line horizontal tail slightly above wing Tricycle gear considered must Although stunters tail- draggers thought twin just wouldnt look right trike gear Engine selection easy good 19 20 engines market today suitable Control Line use such Fox OS Supertigre Enya K&B believe available carburetors mufflers OS 20s used purchased several years ago came equipped carburetors plain venturi intakes either type Operation Bottom view shows placement tricycle landing gear Grooved 3/8 x 3/4-in hardwood blocks conjunction 1/32 plywood rib doublers take load rearward land ing gear struts 64 Model Aviation wing flaps two smooth-running engines TC Two capable Precision Fitted erobatics maneuver book 53-in span its easy transport fun fly authorwith finished profiletwin sportstunteratthe flying field smileon hisface know I~I th results efforts Sarpolus powered two OS 20s lhe mufflers little larger heavier custom types used top Precision Aerobatics fliers work fine sport flying Fuel tanks used Fox 2 ounce 2-in wide square wedge models December 1980 65 .a Setup outside spraying clear top uuats avoid dopes bIurii uue high humidity working bright sun did trick Does TC Two fly bet Loops w, overs eightsjust about maneuvercan done neat looking/sounding plane Mufflers maintain peace flying field neighbors must Stock OS mufflers used author Fuel tanks rubberbanded place 2%-oz 2-in wide Fox FULL-SIZE PLANS AVAILABLE . SEE PAGE 128 2L/S BALSAI/ACES BALSA 5 BELLCDA*IILEADING EDGE ADLOSrASLE LEAD-DOT GLOBELEADWOD EDGE SLAtE TINS 0100CC OPTIONALWINGTIP IOSGGT -71-I- -- _ I BALSA CAYSTRIPS -ONbfALSAIt--I~zvISPABSI LEADDOTSJI SHEET ENTINEI CENTER I I/O PLYWOOL GODOVODSAki pi WINO WITSI SECrIGHSELOCRANELIIS IIILI~ I111 ______________ ____________________________________________________________[v32][b6105294200]]______________________________________________ ______________[v32][b11155295200]]____________________________________________________________[v32][b15965295200]]II__ ____________ 111 ______________ _______ ______________________________________________ ___________________________________________ ____________________________________________ _______ _______ Ill _______ ______IiIji A/IL BALSAI SHEETINGILANLONG LEA11 r ~ tALT,oioIi1~II1112ISbeKI19I1LAL I/ABEL L/2 BALSA rEONTREL HORN BALSA BLOCK WINGELOS C DABS P TO GE LILK BALSA-CENTER NAB AM BALSA SILO SPINNERSENGINE MACELITE 5/B BALSA AND I/AS PLY DOUBLERS 3/Se WINE P055000OTTOET DODGED A/A T C Two cID MODEL AVIATION LAAG_______________________ DESLANEG S DRAWN 02 AP SB 0 6 10 0 AG AL AtGLEE SARPOLOS may good spot suggest anyone interested CL Precision Aerobatics flying should join PAMPA Precision Aero batics Model Pilots Association organi zation just experts newsletter alone Stunt News worth membership cost information provides enthusiast Write Wynn Paul 1640 Maywick Dr Lex ington KY 40504 Flying completed plane showed twin-engine aerobatics model could certainly compete conventional single-engined jobs plane course wouldnt equal top model such Bob Hunts sophisticated Genesis its fine casual aero batics pattern flying have no doubt full house twin would competitive single-engined modeL enjoy sound two engines different appearance twinwell worth slight added work expense Discussion planes construction wont take too long because its basic simplicity As usual recommend cutting out parts before hand construction can proceed smoothly other words make own kit Starting wing dont want cut out ribs time use sandwich method Make root tip rib pattern plywood aluminum sandwich balsa rib blanks between patterns cut/sand shape dont like either method order Sig Super Chipmunk wing kit making center rib positioning ribs over plans assembly adding landing gear blocks reinforcements youll have wing twin Build wing first Its important make straight warp-free structure can done Continued page 124 66 Model Aviation riniunso structure ruauy flJr UUvUOII aIu paIruLIrI MS IS CVflAIL CCJLtAU. JtOLI dont like cutting out individual wing ribs author suggests sandwich method ig construction istypicai tor moaei type DIJge naceiies tail feathers simple come Suggestion make kit cutting out parts before assembly winning Paper Stick exceeded time lhat could have placed second Paper Stick event couple other models times nearly good Earls microfilm EZBs Junior EZB times very good particularly top two places Winner Michael Van Gorder Mike Clem close behind Mikes time whopping 1231 Historically EZB easy-tobuild small microfilm event Specifications included no curves outlines no external bracing solid motor stick all-wood propeller 3-rn maximum chord 18-in maximum span Such model easy build easy transport fun fly capable surprising duration Earl Hoffman California has done over 26 minutes Somewhere along line modelers began requiring tissue cover ing rather microfilm bad except out West sometimes have very low humidity tissue shrinks warps models badly event got written AMA rule book incredibly first two specifications left out difficult understand accept Everyone spoke lamented cur rent rules wanted return old ones Dick Hardcastle agreed write up proposal change present rules can get back type model accustomed like Manhattan Cabin unofficial event saw close battle between Wayne Zink Ron Ganser Wayne finally winning 733 rather good time class rather heavy model must also take off floor note Indoor events 1980 Nats ended good competition lots fun great renew old acquaintances talk over old times well fly owe thanks officials kept records made things go Also always number modelers come just watch time flights really great help such meet TC 2/Sarpolus Continued page 66 selecting firm straight spars blocking ribs up firmly carefully flat building board wing removed board shouldnt have built-up warps Pin bottom spar down over plans add ribs top spar blocking ribs off board keep leveL Add leading edge leading trailing edge sheeting remove wing panel board flip over add opposite side sheeting Join two wing panels install bellcrank its linkage sheet center section Wing tips cut sanded shape soft light balsa tail surfaces simply cut shape sheet balsa edges should sanded shape elevators tapered shown plans hinges nylon should recessed elevators flaps permit small gap possible control surfaces installed engine nacelles fuselage typical profile construction balsa core plywood doublers nacelles cut /s balsa % square hardwood engine mounts glued doublers cut 1/16 plywood heavy enough use 20-size engines assemble nacelles use epoxy glue strength resistance vibration fuselage cut -in balsa typical profile plywood doublers 1/32-in thick used save weight heavier doublers needed no engine fuselage piece -in dowel glued fuselage before doublers added receive wire nose landing gear edges fuselage nacelles well sanded final assembly can begin fuselage located wing exactly perpendicular wing trailing edge glued place engine nacelles epoxied place again being sure keep perpen dicular wing trailing edge tail surfaces added blocking fuselage wing level measuring carefully get horizontal stabilizer straight rudder verti cal etc Proper alignment helps ensure good flying plane Reinforcing nacelle/wing joint fiberglass cloth epoxy will result long-lasting model Final details include fabrication installa tion landing gears retainers bending 3/32 wire pushrod slotting surfaces nylon hinges screw-eyes rubberband fuel tank retainers etc dis assemble model much possible covering painting finished control surfaces installed epoxying hinges control horns place wings covered iron-on Silkspun Coverite using Balsarite first easy adhesion finish used makes Sig job almost way Sig balsa used construction Sig sanding sealer clear dope surface preparation Sig butyrate color dope final finish model did turn out slightly nose-heavy particularly planning use engines heavier OS 20s would 124 Model Aviation Yes rush copy new 6th edition Radio Control Buyers Guide Please check LI Enclosed $1100 $995 retail plus $105 postage US Canada Only dians send US Funds LI Charge LI Mastercharge L]Visa Return R/C Buyers Guide 7 Clifton House Clifton VA 22024 L suggest shortening engine nacelles -in -in permit proper balance adding tail weight comment about name have young friend Trent Charles affectionately known T C thought hed like airplane named after himso TC Two What have good-sized profile model easy build quickly offering good aerobatic performance plus thrill excite ment twin-engined model can give pleased try youll like too Letters Editor Continued page 4 cept planked balsa Covering silver non-shrink Mylar scale rivet spacing sticky side before applying word caution about flying scale Alpha center wing section has such terri fic amount lift model will become airborne before ailerons effective unless hold ground until have plenty speed Anyway hope might find slot maybe picture somewhere future issue Eldon D Dobbe Faucett MO Better printing two pictures checking see Mr Dobbe might develop construction article printing later Likes Fun Drake read great interest Just Fun feature October issue Model Aviation think its best part magazine especially enjoyed article Luther Huxs indoor RC balloon am look ing forward future articles type also enjoyed construction article Ken Willards Drake IL would like build haif A-size version aircraft Perhaps might know could find original 1951 plans 36-in span version would make interesting winter project Inclosing would just like say what great organization AMA As beginner RC would have great difficulty getting started AMA Thank keep up good work Continued page 127 Have Barrel Fun FX BULK FUEL 1n55 Gallon Drums Drums Active Flyers Fox Can Keep Flying DUKES FUEL 10% Nitro 55 Gal Drum net $26000 includes Drum FAI FUEL No Nltro 55 Gal Drum net $14500 includes Drum Ship Freight Collect Payment required advance Drums af Fuel Hot Line can Help 5011 646-1656 Fx MFG Co GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 4804 Pint Quart Gallon FOX FUEL o FOX SUPERFUELGood breako in oil rich formula 28/o o Pt $305 Ot $505 Gal $1675 o DUKES FUEL Especially blended R/O Sport flying Pt $340 Ot $560 Gal $1895 MISSILE MIST premium fuel 0 power 25% Nitro o Pt $420 Qt $760 Gal $2590 5305 TOWSON AVE FORT SMITH ARK 72901 H b H Oil tl5Il11 KIES Enli itt pitinl Kttn Tytn Olntitn Kit 20 -tO 4/C 1041 linyby Sr 00 oI' $4003 Sjiioil $n 1. Fvtn Itoh I nit KU tO iitpitot 0Fn1037 Qtik t 0Ith 34 Sptt $14 JO 4Kn liidiln Fiat Kiln-- Ut until Iitibiit-i 1540 I3u ni i3nnitttthI 30 Spnti 020 $i303 1030 Soid Wikc old 44 Optiit C,tit Witt-r $1405 1041 Clinticn tnt nI pnii k IOtA $l-i55 W/N Alntttn Ottit KU- 04$ I-I n H/C 1941 Snnplnn ISnilo 40 Spnn $2000 P & W Stitti Kitn 0lnhiitn CiA Pitlnl 133$ Pnw boune 04 Spntt Pin iininti$1500 Cotnp nictn Slnipnnnni Kit $1770 Ptitt tt 1036 l9nnnnteor $4 Spun Pint Entrt1 $1550 Cntttptitiot Slipntttti 'Kit' $37 95 1 iintt tt 1037 i3niliirn Sporlotni Spait iint En $10 111 Contptinion ltiipnniti Kit $30ti0 PItti Oiiilniity tniiil Ci --- Eu) iiid Pnljnl Kilo 020 i1nnlinn 0011 Kiln 1041 Clii I- 01K ii tCntnln Spiti$1453 1937 Sopni i4ticnttt-- i- liJuniKninyn1 non $1400 1030Mion Atnerinn iSi-ieitiillnn 1295 1040Etnytnoy Sr tCloneitiitiinl pniit $1205 iirliiil Kiln Rib lip & iiitnei AllOloninin Cut 1027long Chit So' Spnn 11init rid 1 11 Ott 1037i9onkni i-i-in Spnii huh ioi 0 1010i-lyutg Qtnoknr 84 S putt iiiit ii, 1 $315) IC'tiiig Sotitt iii 1037 -Xii Chin 94' 11130Olin iiIotni ri 7 1020 ihtd Lcp Iiy i & 49 -it i-lyltoiiy NEW ARIlIVAI nAitttqnt & tOld iittrrlitioh4 Airoinli 13iiiiiy Shcddn 84 1nitgen o 277 diftoinnl tntilni ilinsi ilid 1ilus Z Vt iibonk ml 01100 CO2IIiOT2iiS AWl h Brown CO2 Mohii iiitgle Cyl Cliiti-g-itr Eil52355 ronl Ct oi win C yl Clini ii- i-n 03 lironri Intuit lype tlit 0 15 CO i 100203 t012 nOt Pnolii it/N Milt1 9Sintit 0801 1914 liii nit Wi it0 y lit/N ltl,dnlt 30 0 unit 00Oii Elydlin i-lhinn Nitni I- 4 Si iii Sitori i-lyti$S 15 1-1115 IlittilT KITS Spoil COnlttnl o ttnttrntl 350 big Ott Spttii 010 05 1 StnittI $8- 71 Snlnllitn 12t 4Kn 40 Situ 045 051 TO $1455 0lniIiln 799 1 4Knt 74I Spi tnrljnl liii$3000 Shipping Handling Solid $1 III ISti lilnol Up $800 add $150I nttthtigot. lit titpy 5901 to $2000 add 52 25 will Ito soul lit, $2001 $0500 add 53 00 ojtOirtiittni t $0501 $2000 add 5400 jon nt-tot 0900 add $0 00 fii3i31Y iiltN CA Addressees adA 65 tnt PO Wn 31104 Slate sales Ian. Sn,d uoOniti 19e,h Cit 0574ii Check nr Vis/MC #EXP 7149 914-0233 lion ntiiitt j boni Oi IitiItti COO Enact Citg51 10 Mdi ilinnl,n 01. 4 i itiin December 1980 125 Ultimate Flying Boat Heres equipmmst need give props very best baluce--balance MI directiens Cereftily crafted top grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes availaWe special order Dealers emited $1495 Add $150 HOWARD B HUEDL oem ens spitage hasieg hi Men odd 4% sales lox coos Box 193 Rotie 4 Mukato Mit 561911