CL FlyIngPhaseTwo bridge gap tween first simple CL trainer something enable stunt subject how-to Adding flaps slab-wing 1/2A bal sa plane isnt difficult improves models performance put good use skills learned pilot James M Petro Chris Petro age 10 bent conventional AA CL plane right Beginners Ring master wing flap modification left String style hinges invisible free moving WROVFLIG rilE *RPLnIt FUEL EXHAUSTED engine stops CL plane plummets groundward youngster quick time flares out decent landing first phase flying full tank breaking up plane has accomplished Now wants stunt Phase Two critical time CL flying fledgling pilot forces plane first loop ne times out 10 creates instant junk just 3590 later sudden silence usually end both plane lifelong hobby ex-pilot barely learned get off ground back down piece. doesnt know. its quits can blame him Generally start CL heavy plastic ready-to-fly plank-wing balsa model powered first airplane Something like 99% flown 26-ft dacron lines best help planes going drop out sky eat dust within first 10 loops kids ready Phase Two theyll have equalizer give chance find out really like sport secret simple slab-wing CL balsa airplane wing flaps added kid likes airplanes can glue six pieces together has new airplane however still worthless Phase Two unless add wing flaps turn flying machine 26-ft dacron lines will loop smoothly finally make nice landings simple respon sive aircraft Follow few guides suggest hereand see cant help kids avoid Phase Two wipe-out keep active model aviation 1 Most slab-wing CL balsa airplanes acceptable beginner construction best making wing flap alterations should have large one-piece elevator good example Sterling Beginners Ringmaster 2 Hinges must allow controls flop freely very simple type string Dacron flying lines work beautifully illustration shows 3-in pieces glued -in razor saw cuts small separation approximately 1/32-in left between joined surfaces tail hinges spaced apart wing hinges spaced 2 apart White glues excellent never use instant glues hinges because will wick string make instantly stiff String-type hinges will free-up quickly after painting See Fig 1 String Hinge Assembly 3 A rule-of-thumb width wing flap whole wing width chord divided five Beginners Ringmaster cut flap line located 2 back leading edge wing As see making wing bigger making work air better See Fig 2 Cut Wing Flaps Hinges 4 At point must consider getting moving flap through fuselage model has large mid-section two triangular cut-Outs made rear wing slot flap moves 200 up down center some planes better cut flap join together hardwood dowel through wing slotso weaken fuselage Beginners Ringmaster Bipe has very low wing slot dowel joiner used unused slot space filled later scrap balsa See Fig 3 Flaps @ Body 58 Model Aviation 3Add glue smooth with--Stabilizer1/32 Gap finger 2Push glue string small ator screwdriver stabilizer first Make Iz long-5Cut off Its spaced 1string ends art dontwhen dry the4Attach elevator ay .Astring hinges glue rough- Use clamps hold stabilizer elevator flat glue uni form 1/32 gap Make cuts work bottom side wing tall Fig 1 String-Hinge Assembly THROUGH-BODY WING FLAP Body Flap Flap HornJoiner RodN 7-S Wing -$ Flap$ FlapWing Slot BodyoNFiller Cut-out JOINED-FLAP THROUGH BODY Fig 3 Flaps @ Body Elevator 7-Enlarge hole on450 /Elevat} New Hole holeWing F lap _ Belicrank WingElevator Carl Goldberg 112A / Elevator Horns -l22o 3 requIredBelicrank Wing Flap Fig 5 2-Piece Wing Flap Horn I cant fly balance Balance youre Ace Fig 7 Balancing Balance level wing leading edge average flying 5 Nylon bellcranks control horns should used very easy-to-make flap horn illustrated cut out bellcrank Carl Goldberg Bellcrank Horn Set dogleg centers hinge pushrod holes uniform movements An instant glue epoxy best gluing flap horn flap Another easy-to-make version uses two elevator horns Goldberg seis Two set top bottom wing flap pushrods outer holes See Figs 4 5 6 Another good Elevator N New Flap Horn Flap -VCut slot wing flap glue new flap horn Belicrank Carl Goldberg 12A bellcrank 7Trim off gussets Cut out new flap horn shown shaded area Fig 41-Piece Wing Flap Horn Flap king New Flap Horn Wing Lift Tall Forces Down Flaps make lift up help landings takeoffs Elevator Belicrank-Wing Flap Leadouts IIIIIIzz\ 0 Flaps make down force outside turns Inverted flight Fig 6 Control Links Movements June 1981 59 nvel mi enlargement control surfaces icievator Wing flap ' 2-in hinge spacing wing flap 1-in elevator Close-up control surface joints ana ninge lines wing flap has two elevator control horns side Wing flaps 1/5th chord rule-of-thumb 2-to-i control movements elevator angular movement twice large wing flap angular move ment An easy way get movements drill another hole elevator horn closer elevator Pushrods now installed bellcrank bottom wing flap horn outer hole top wing flap horn outer hole elevator horn new inner hole part makes come outright. flap elevator must move opposite direcitons So elevator goes up wing flaps better becoming down wing now creates aerodynamic ijftforces elevator controls direction flight See Fig 6 Control Links Movements 7 complete airplane painted ready go field should checked fore-and-aft balance helps have extra hand because rule-of-thumb No 3 balance model level wings leading edge Ifyoure ace move balance back halfway bellcrank pivot way move balance back take off landing gearand fly over grass bets off dont get balance point within range Nose-heavy models just want come down tail-heavy models go except want go See Fig 7 Balancing Since beginners probably will never see article will know what theyre missing AMA members can some help surest way keep kids flying manufacturers include instruction sheet types modifications kit box feel would pay itself because local dealer says fly buy 60 Model Aviation Assembled CL plane flaps readyto paint Top wing flap pushrod goes undertail elevator horn Pushrod connects outer hole wing flap new inner hole elevator Surfaces must operate freely Most slab-wing CL AA models can modified wing flaps such Midwest F-51 has Golden Bee tank Black Widow Midwests ME-lOg flaps Black Widow engine has Cox rubber spinner clockwise-rota tion shaft 3-blade prop starter spring Reverse rotation engine helps maintain tension control lines Write Kustom Kraftsmanship info specialized engine items Left Sterling Baby Ringmaster wing flap Exhaust sxac nome-made actually required foi peration Iilgnt io prove can done Midwest ME-log caught level inverted pass outside loops possible wing flap modification
Edition: Model Aviation - 1981/06
Page Numbers: 58, 59, 60
CL FlyIngPhaseTwo bridge gap tween first simple CL trainer something enable stunt subject how-to Adding flaps slab-wing 1/2A bal sa plane isnt difficult improves models performance put good use skills learned pilot James M Petro Chris Petro age 10 bent conventional AA CL plane right Beginners Ring master wing flap modification left String style hinges invisible free moving WROVFLIG rilE *RPLnIt FUEL EXHAUSTED engine stops CL plane plummets groundward youngster quick time flares out decent landing first phase flying full tank breaking up plane has accomplished Now wants stunt Phase Two critical time CL flying fledgling pilot forces plane first loop ne times out 10 creates instant junk just 3590 later sudden silence usually end both plane lifelong hobby ex-pilot barely learned get off ground back down piece. doesnt know. its quits can blame him Generally start CL heavy plastic ready-to-fly plank-wing balsa model powered first airplane Something like 99% flown 26-ft dacron lines best help planes going drop out sky eat dust within first 10 loops kids ready Phase Two theyll have equalizer give chance find out really like sport secret simple slab-wing CL balsa airplane wing flaps added kid likes airplanes can glue six pieces together has new airplane however still worthless Phase Two unless add wing flaps turn flying machine 26-ft dacron lines will loop smoothly finally make nice landings simple respon sive aircraft Follow few guides suggest hereand see cant help kids avoid Phase Two wipe-out keep active model aviation 1 Most slab-wing CL balsa airplanes acceptable beginner construction best making wing flap alterations should have large one-piece elevator good example Sterling Beginners Ringmaster 2 Hinges must allow controls flop freely very simple type string Dacron flying lines work beautifully illustration shows 3-in pieces glued -in razor saw cuts small separation approximately 1/32-in left between joined surfaces tail hinges spaced apart wing hinges spaced 2 apart White glues excellent never use instant glues hinges because will wick string make instantly stiff String-type hinges will free-up quickly after painting See Fig 1 String Hinge Assembly 3 A rule-of-thumb width wing flap whole wing width chord divided five Beginners Ringmaster cut flap line located 2 back leading edge wing As see making wing bigger making work air better See Fig 2 Cut Wing Flaps Hinges 4 At point must consider getting moving flap through fuselage model has large mid-section two triangular cut-Outs made rear wing slot flap moves 200 up down center some planes better cut flap join together hardwood dowel through wing slotso weaken fuselage Beginners Ringmaster Bipe has very low wing slot dowel joiner used unused slot space filled later scrap balsa See Fig 3 Flaps @ Body 58 Model Aviation 3Add glue smooth with--Stabilizer1/32 Gap finger 2Push glue string small ator screwdriver stabilizer first Make Iz long-5Cut off Its spaced 1string ends art dontwhen dry the4Attach elevator ay .Astring hinges glue rough- Use clamps hold stabilizer elevator flat glue uni form 1/32 gap Make cuts work bottom side wing tall Fig 1 String-Hinge Assembly THROUGH-BODY WING FLAP Body Flap Flap HornJoiner RodN 7-S Wing -$ Flap$ FlapWing Slot BodyoNFiller Cut-out JOINED-FLAP THROUGH BODY Fig 3 Flaps @ Body Elevator 7-Enlarge hole on450 /Elevat} New Hole holeWing F lap _ Belicrank WingElevator Carl Goldberg 112A / Elevator Horns -l22o 3 requIredBelicrank Wing Flap Fig 5 2-Piece Wing Flap Horn I cant fly balance Balance youre Ace Fig 7 Balancing Balance level wing leading edge average flying 5 Nylon bellcranks control horns should used very easy-to-make flap horn illustrated cut out bellcrank Carl Goldberg Bellcrank Horn Set dogleg centers hinge pushrod holes uniform movements An instant glue epoxy best gluing flap horn flap Another easy-to-make version uses two elevator horns Goldberg seis Two set top bottom wing flap pushrods outer holes See Figs 4 5 6 Another good Elevator N New Flap Horn Flap -VCut slot wing flap glue new flap horn Belicrank Carl Goldberg 12A bellcrank 7Trim off gussets Cut out new flap horn shown shaded area Fig 41-Piece Wing Flap Horn Flap king New Flap Horn Wing Lift Tall Forces Down Flaps make lift up help landings takeoffs Elevator Belicrank-Wing Flap Leadouts IIIIIIzz\ 0 Flaps make down force outside turns Inverted flight Fig 6 Control Links Movements June 1981 59 nvel mi enlargement control surfaces icievator Wing flap ' 2-in hinge spacing wing flap 1-in elevator Close-up control surface joints ana ninge lines wing flap has two elevator control horns side Wing flaps 1/5th chord rule-of-thumb 2-to-i control movements elevator angular movement twice large wing flap angular move ment An easy way get movements drill another hole elevator horn closer elevator Pushrods now installed bellcrank bottom wing flap horn outer hole top wing flap horn outer hole elevator horn new inner hole part makes come outright. flap elevator must move opposite direcitons So elevator goes up wing flaps better becoming down wing now creates aerodynamic ijftforces elevator controls direction flight See Fig 6 Control Links Movements 7 complete airplane painted ready go field should checked fore-and-aft balance helps have extra hand because rule-of-thumb No 3 balance model level wings leading edge Ifyoure ace move balance back halfway bellcrank pivot way move balance back take off landing gearand fly over grass bets off dont get balance point within range Nose-heavy models just want come down tail-heavy models go except want go See Fig 7 Balancing Since beginners probably will never see article will know what theyre missing AMA members can some help surest way keep kids flying manufacturers include instruction sheet types modifications kit box feel would pay itself because local dealer says fly buy 60 Model Aviation Assembled CL plane flaps readyto paint Top wing flap pushrod goes undertail elevator horn Pushrod connects outer hole wing flap new inner hole elevator Surfaces must operate freely Most slab-wing CL AA models can modified wing flaps such Midwest F-51 has Golden Bee tank Black Widow Midwests ME-lOg flaps Black Widow engine has Cox rubber spinner clockwise-rota tion shaft 3-blade prop starter spring Reverse rotation engine helps maintain tension control lines Write Kustom Kraftsmanship info specialized engine items Left Sterling Baby Ringmaster wing flap Exhaust sxac nome-made actually required foi peration Iilgnt io prove can done Midwest ME-log caught level inverted pass outside loops possible wing flap modification
Edition: Model Aviation - 1981/06
Page Numbers: 58, 59, 60
CL FlyIngPhaseTwo bridge gap tween first simple CL trainer something enable stunt subject how-to Adding flaps slab-wing 1/2A bal sa plane isnt difficult improves models performance put good use skills learned pilot James M Petro Chris Petro age 10 bent conventional AA CL plane right Beginners Ring master wing flap modification left String style hinges invisible free moving WROVFLIG rilE *RPLnIt FUEL EXHAUSTED engine stops CL plane plummets groundward youngster quick time flares out decent landing first phase flying full tank breaking up plane has accomplished Now wants stunt Phase Two critical time CL flying fledgling pilot forces plane first loop ne times out 10 creates instant junk just 3590 later sudden silence usually end both plane lifelong hobby ex-pilot barely learned get off ground back down piece. doesnt know. its quits can blame him Generally start CL heavy plastic ready-to-fly plank-wing balsa model powered first airplane Something like 99% flown 26-ft dacron lines best help planes going drop out sky eat dust within first 10 loops kids ready Phase Two theyll have equalizer give chance find out really like sport secret simple slab-wing CL balsa airplane wing flaps added kid likes airplanes can glue six pieces together has new airplane however still worthless Phase Two unless add wing flaps turn flying machine 26-ft dacron lines will loop smoothly finally make nice landings simple respon sive aircraft Follow few guides suggest hereand see cant help kids avoid Phase Two wipe-out keep active model aviation 1 Most slab-wing CL balsa airplanes acceptable beginner construction best making wing flap alterations should have large one-piece elevator good example Sterling Beginners Ringmaster 2 Hinges must allow controls flop freely very simple type string Dacron flying lines work beautifully illustration shows 3-in pieces glued -in razor saw cuts small separation approximately 1/32-in left between joined surfaces tail hinges spaced apart wing hinges spaced 2 apart White glues excellent never use instant glues hinges because will wick string make instantly stiff String-type hinges will free-up quickly after painting See Fig 1 String Hinge Assembly 3 A rule-of-thumb width wing flap whole wing width chord divided five Beginners Ringmaster cut flap line located 2 back leading edge wing As see making wing bigger making work air better See Fig 2 Cut Wing Flaps Hinges 4 At point must consider getting moving flap through fuselage model has large mid-section two triangular cut-Outs made rear wing slot flap moves 200 up down center some planes better cut flap join together hardwood dowel through wing slotso weaken fuselage Beginners Ringmaster Bipe has very low wing slot dowel joiner used unused slot space filled later scrap balsa See Fig 3 Flaps @ Body 58 Model Aviation 3Add glue smooth with--Stabilizer1/32 Gap finger 2Push glue string small ator screwdriver stabilizer first Make Iz long-5Cut off Its spaced 1string ends art dontwhen dry the4Attach elevator ay .Astring hinges glue rough- Use clamps hold stabilizer elevator flat glue uni form 1/32 gap Make cuts work bottom side wing tall Fig 1 String-Hinge Assembly THROUGH-BODY WING FLAP Body Flap Flap HornJoiner RodN 7-S Wing -$ Flap$ FlapWing Slot BodyoNFiller Cut-out JOINED-FLAP THROUGH BODY Fig 3 Flaps @ Body Elevator 7-Enlarge hole on450 /Elevat} New Hole holeWing F lap _ Belicrank WingElevator Carl Goldberg 112A / Elevator Horns -l22o 3 requIredBelicrank Wing Flap Fig 5 2-Piece Wing Flap Horn I cant fly balance Balance youre Ace Fig 7 Balancing Balance level wing leading edge average flying 5 Nylon bellcranks control horns should used very easy-to-make flap horn illustrated cut out bellcrank Carl Goldberg Bellcrank Horn Set dogleg centers hinge pushrod holes uniform movements An instant glue epoxy best gluing flap horn flap Another easy-to-make version uses two elevator horns Goldberg seis Two set top bottom wing flap pushrods outer holes See Figs 4 5 6 Another good Elevator N New Flap Horn Flap -VCut slot wing flap glue new flap horn Belicrank Carl Goldberg 12A bellcrank 7Trim off gussets Cut out new flap horn shown shaded area Fig 41-Piece Wing Flap Horn Flap king New Flap Horn Wing Lift Tall Forces Down Flaps make lift up help landings takeoffs Elevator Belicrank-Wing Flap Leadouts IIIIIIzz\ 0 Flaps make down force outside turns Inverted flight Fig 6 Control Links Movements June 1981 59 nvel mi enlargement control surfaces icievator Wing flap ' 2-in hinge spacing wing flap 1-in elevator Close-up control surface joints ana ninge lines wing flap has two elevator control horns side Wing flaps 1/5th chord rule-of-thumb 2-to-i control movements elevator angular movement twice large wing flap angular move ment An easy way get movements drill another hole elevator horn closer elevator Pushrods now installed bellcrank bottom wing flap horn outer hole top wing flap horn outer hole elevator horn new inner hole part makes come outright. flap elevator must move opposite direcitons So elevator goes up wing flaps better becoming down wing now creates aerodynamic ijftforces elevator controls direction flight See Fig 6 Control Links Movements 7 complete airplane painted ready go field should checked fore-and-aft balance helps have extra hand because rule-of-thumb No 3 balance model level wings leading edge Ifyoure ace move balance back halfway bellcrank pivot way move balance back take off landing gearand fly over grass bets off dont get balance point within range Nose-heavy models just want come down tail-heavy models go except want go See Fig 7 Balancing Since beginners probably will never see article will know what theyre missing AMA members can some help surest way keep kids flying manufacturers include instruction sheet types modifications kit box feel would pay itself because local dealer says fly buy 60 Model Aviation Assembled CL plane flaps readyto paint Top wing flap pushrod goes undertail elevator horn Pushrod connects outer hole wing flap new inner hole elevator Surfaces must operate freely Most slab-wing CL AA models can modified wing flaps such Midwest F-51 has Golden Bee tank Black Widow Midwests ME-lOg flaps Black Widow engine has Cox rubber spinner clockwise-rota tion shaft 3-blade prop starter spring Reverse rotation engine helps maintain tension control lines Write Kustom Kraftsmanship info specialized engine items Left Sterling Baby Ringmaster wing flap Exhaust sxac nome-made actually required foi peration Iilgnt io prove can done Midwest ME-log caught level inverted pass outside loops possible wing flap modification