For Half-A powered Combat coming strong some areas simple sturdy scorcher gollygeewhiz Dan Rutherford PRETTY FUNKY name right fits Ill ask people fly AMA Fast Combat would interested fly ing some 049 Combat say rather sarcastically Golly Gee Whiz dont know can handle After little pressure get try planes either match solo After trying plane seeing what can comment still Golly Gee Whiz sarcasm gone GollyGeeWhiz designed out necessity About year ago started promoting 049 Combat North west caught fast wasnt long before realized werent decent 049 Combat kits market breach leaped Dirty Dan GollyGeeWhiz Modesty forbids claim design ultimatebut best have seen yet plane easy build has good top speed turns tight will sur vive being plugged ground repeat edly wont make through solid mid air plane can has real turkey anyway construction may look weak its lack bunches full ribs bothers go ahead put some ribs Just remember plane light strong enough two full ribs per panel Without fuel planes ready-to-fly weight 4 1/4 4 1/2 oz prop bladder tube engine stalled FasCal covering works best plane Crystal Cover Competi tion Models can also used plastic films such MonoKote Solarfilm arent quite strong enough hold plane together through much ground pounding almost indestructible plane could cover Skyloft made Southern R/C Skyloft stronger silk lot cheaper three square yards $280 As Combat planes Golly GeeWhiz flies best honkin engine An out-of-the-box TD 049 OK take time break five six two-minute runs slightly rich needle setting Once broken use least 40% nitro fuel recommend 60% Nitrotane good consistent fuel number things can done TD 049 get power article wont go engine rework know Speed fliers get help engine order Custom engine Dale Kim Kirn-Kraft PO Box 224 Anaheim Calif 92805 Dale also makes replacement needle valve assembly TD engines necessity want get consistent needle settings Ask catalog showing kinds neat stuff 049 fliers use Dacron lines flying 049 Combat regardless design es pecially flying GollyGeeWhiz Dacron lines give lots drag stretch lot giving mushy feel plane Because good 049 Combat plane quick react stretchy lines last thing need tight match best lines use pure performance standpoint 35 X 008 braided steel lines However small di ameter tough tie up probably will ruined very first good line tangle also very sus ceptible kinks mention being easily cut opponents plane fly-aways neat things about Combat use 008 lines can stand hassle 35 braided steel lines good compromise because easy tie up because last long time arent easily cut get plane should make light handle better feel 018 leadouts trusty ol E-Z-Just youve using years wont cut 049 Combat An 049 Combat plane doesnt pull very hard consequently wont pull leadouts handle out straight Same song second verse mushy feel handle special handle easy enough make 32 Model Aviation No secrets modern see-through coverings reveals structural details wingbare bones might say G ollyG eeWhiz out 1/4 ply Just sure include some form adjustment leadouts handle use old AMA Combat lines have enough old lines make 3887 handles probably too have flying Combat length time Enough rambling lets build Best place start motor mount assembly can cut out other parts mount assembly drying mounts can made /t sq maple have jig-saw cut 3/s X e stock down center give mounts /8 wide almost 1/4 deep Cut balsa spacer size glue mounts epoxy As long mixed too much epoxy anyway go ahead smear over side mount assembly Lay whole sticky mess piece 1/32 ply excess ply can cut off after epoxy dry Now start cutting wood Cut parts accurately possible Things should fit start building joints must fit snugly well-built GollyGeeWhiz tough break sloppilybuilt just another clunk plane looking spot upon disintegrate mount assembly should dry now trim off excess ply cut hole LE 5-minute epoxy glue LE two center ribs mount assembly Make sure get thing straight get lined up just right rest plane will just fall place get crooked welljust dont get crooked no need build plane plans Just draw straight line building board line up TE Another line right angle tl{e first will help get tip rib square TE TE LE marked rib locations tip rib square TE straight motor mount assembly thing has come out lined up properly wont get plans screwed up finally ready get plane framed up Initial framing done plane upside down bottom sheeting can installed immediately after ribs installed complete Pin TE building board being sure aligned straight line already drawn Glue bottom spar actually will top spar plane right side up mount assembly glue two center ribs TE spar can blocked up scrap 1/4 sq much better letting everything hang mid-air try work After double-checking see thing straight start adding ribs halfribs working center tips side ribs add top ok bottom TE piece spar Now go ahead add sheeting center section wing drying make bladder compartment Estes BT-50 rocket tube Notice tube must squashed fit wing Cap off both ends tube 1/8 balsa cut access hole fuelproof sloshing some dope around inside tube doubt wing dry yet make up bellcrank assembly next Old 018 Combat lines make good leadouts planes use l/2A leadout ma terial further limit control out board arm bellcrank should cut off crank moved close pos sible center rib Bend up pushrod will have ready install later stab/boom assembly easy Just hinge elevator stab nylon tape FasCal glue booms stab sure booms straight spaced 4 apart will line up over ribs under center section sheeting plans call 3/32 basswood booms cant locate basswood understand Sig discontinued market ing bass can use 3/32 ply make booms narrow possible use ply As drawn plane real close being tail-heavy way want plane will turn right now means extra weight stab/boom assembly will make plane continued page 73 Everything need Combat three new planes gallon 60% Nitrotane Dantoolbox yellow Hobby Poxy can find Box story itself unfort,y w dont have space describe Right Good closeup showing engine mount bladder made thin-wall surgical tubing Article describes use Tatone bladder 34 Model Aviation Dans own-designed handle significant feature Light-weight leadouts handle iuii portent good feel 049 Combat planes Exhaust Noise/Pharis continued page 31 exhaust stack shown Fig D Weld outlet tube shown Fig E file away weld material pro tudes slot opening may also weld two three horizontal cooling fins outside deflector plate help minimize increased operating tempera ture caused exposing crankcase hot exhaust gases deflected rearward Carefully clean oil parts stall crankshaft wrist pin connecting rod piston Modify exhaust port cylinder liner follows Insert liner rotate required precisely align intake port fuel bypass crankcase baffle top piston Look rear exhaust outlet tube scribe vertical line onto liner locate left end exhaust outlet slot crankcase Remove liner scribe two parallel horizontal lines extending upper lower sides exhaust port vertical line Using small fine square file carefully lengthen rear liner exhaust port filing away scribed area Deburr inner side exhaust port area filed avoid scratching piston Clean reoil liner install Com plete engine assembly using new backp1 ate head gaskets muffler modified size B Fox silencer closed front style standard muffler shown disassembled Fig F Modify per Fig G follows Mill and/ file away front baffle inner part leaving three equally spaced vanes about 006 thick keep inner part centered outer part Cut off 012 normal side-exhaust inlet Using same type size aluminum tube used engine rear exhaust out let make flared muffler inlet tube curved outlet tube Use same thickness type aluminum sheet used make engine exhaust deflector plate make muffler mounting flange about 112 175 two 0125 diameter holes Weld curved outlet tube rear inner part oriented desired direc tion relative mounting flange ie downward sideways etc Seal open ing remaining portion normal side-exhaust inlet weld weld mounting flange flared inlet tube place outer part completed muffler modification shown Fig H inlet tube shown before welding expose exhaust-gas passage formed front modified baffle inner part mounting flange operat ing temperature 3000F recom mended thin piece asbestos used under flange protect fuse lage Use piece 0625 ID silicon rub ber hose 075 long join muffler engine-exhaust-outlet tube seems like lot trouble However well worth terms 46 Power 10- 19 $2695 SUPER ieose send illustrated coiolag 1of models accessories] enclose 25g INameI II Address II City State ______________________ Zip __________________ 1 JJJVT PRODUCTS CO StHobartIndiana 46342 providing reliable lightweight inexpen sive engine featuring muffler packaged within small streamlined fuselage better sound reduction greater power currently available side-mounted muffler Lets hope engines mufflers general configuration 35-61 size range UC Stunt RC Pattern use become commercially avail able soon WANTED ideas happenings hints/kinks howto sketches photos news etc Send colum nist category concernedat address shown column photo idea printed Model Aviation will pay $5 contributor G ollyG eeWhiz/R utherford continued page 34 tail-heavy almost impossible fly level worry about just move motor ahead 1/4 try plane once can always move engine back plane isnt responsive enough Pull wing off board turn over should now right side up pin down building board Mark inboard tip rib leadout position lay bellerank assembly posi tion Using best eye piece sharpened 1/4 brass tubing punch holes ribs leadouts Glue complete bellcrank assembly Thread leadouts through ribs notch TE pushrod Cut off front rib way bladder tube install bladder tube Check sure bellcrank working binds Add top sheeting want can glue tips leadout guides now usually wait until LE carved shape everything dry plane LE shape sand entire structure havent already done glue tips dont forget tip weight now ready cover plane cover planes tip rib tip rib FasCal cover tips MonoKote MonoKote does lot better job compound curves adds some color plane making easier see match cover FasCal can glue booms directly onto covering using other covering ma terial dont take chance Remove covering joint glue directly center section sheeting glue November1975 73 1-1g II UUIIOT SUDS weiaea rear inner part flange mounting welded remaining portion original side exhaust inlet outer part new exhaust inlet tube prior welding Note ex haust passage formed modification front baffle O4 E 0 S CO EC ION COMP STE WITHOUT THE AUTHENTIC UOLLS LINE OF MODELDOM yoo loon tho old olotoge oinroft oc yooIl reolly loon oony dooeoe tnntendooe onriety ne ofte, eoen tftey no oil oppeni yoo Theytodenigondothhnnnotinolooeono onddetoil nhiof dodinotion ond loloo loon non nreote Ctovelood-Doeignod nodnin ore ononid rooct nothentic doeigne ood too ootly bot yoo ooni. bet yoor hobby tfrenee no othe line look Whot ic good i onoolly nonreofrot onetly odoy roFbooms FasCal because occasionally can recycle set booms plane gets wiped out booms lot easier get off arent glued wood Add control horn Kwik-Link install motor should ready go flying didnt mention will have make up bladder fuel tank use small Tatone bladder cut down about l/2tt kind obvious isnt couple things fore going out fly new GollyGee Whiz Optional yes add immensely total enjoyment Combat flying insure will ar rive field looking like Combat jock turkey First have probably noticed Combat fliers flippin fingers always cut various stages healing quickest way get Combat hands stick fingers running prop Felt good didnt it hurts too much bite old glow plug bandage fingers way everybody will able see active Combat flier As long have some fresh cuts hand speak practice pouring raw fuel cuts wincing Second going have get yourself accustomed minor ag gravations go along using pen bladders Try blow up fuel using regular fuel bulb Cant Squeeze harder Use both hands Yuk yuk blew end right out fuel bulb didnt Go get 2 oz dose sy ringe local veterinarian hobby shop may have CMI people make Guillotine Combat kits Captains Bladders market 2-oz syringe works costs $139 Now using syringe fill bladder fuel Aiming carefully avoid wasting fuel shooting self face chest fuel full bladder Sooner later youll get hit fuel bladder might well once purpose will know what look forward next time Wipe yourself off shirt give nice touch nitro stain Now cut bleeding covered fuel biting plug go fly Assuming plane straight no warps shouldnt give trouble first flight sure dont have too much control first time up Most planes have less 1/2 total travel elevator measured TE Getting good setting engine will probably problem first few flights especially didnt get Kirn-Kraft needle valve suggested engine running lean out slowly until peaks out richen up slowly until just slightly cracks rich As soon plane launched engine should lean out right lean out richen up next flight engine requires slightly different setting experiment until can get right time No matter what setting engine requires before launching dont worry about Just concentrate getting engine run WFO level flight maneuvers Dont afraid try different props engine bogs down turns gen erally use Top Flite 5 1/4 X 3 nylon prop engine might pull 5 1/4 X 4 could try Grish Tornado 5 1/2 X 3 can afford use wood props Top Flite 5 1/4 X 3 Power Prop great honkin engine might go through whole box day fly much Northwest streamers use regular crepe paper material used Fast Combat streamers make 1/2 wide use carpet thread leader Most string little too tough 049 engine cut hope will give 049 Combat try whether pro Combat flyer Sport flier looking inexpensive way break Combat NW fly lots Combat 049 Combat has really caught fast like must good Try GollyGeeWhiz Youll sec what am talk ing about last thing Anybody inter est Combat should belong Miniature Aircraft Combat Association past year MACA has become super organization Tom Southern Bill Allen newsletter MACA always very good Within MACA Com bat Advisory Committee has formed advise Control Line Contest Board proposed rules affect Combat mation CAC printing newsletter just two visible things accomplished MACA mainly through efforts Tom Bill would like part MACA send check money order $500 Tom Southern 2207 Paul Longview Texas 75601 clip coupon magazine Nats/FF/Mathis continued page 23 3-minute max too fragile hard build etc detected whir mental gears meshing once reasons spoken Maybe next year someone will turn up monsters complete good old strapon winder Another 630 am saw FAI power event start unfolding tune tick ing Seeligs flipping auto surfaces squalling Rossis am convinced significant number FAI power fliers have excessively developed engine fetishes consists running ones Rossi taching until worn out ig noring trim model except climb pattern after quick D-T followed engine running etc point driven home upon observing late evening sixth-round drift non-existent body gliding down launch area dont know anyone else noticed two thirds airplanes far out glide trim fast tight side result missed maxes best FAI fliers US interest ing hear blame near-miss bad engine setting engine fetish again model practically dived runway glide appears gadgetry power have gotten out control Most FAI contestants airplane could handle best constantly wandering off trim has message fact until final round thunderstorm front caught disrupted plans Bill Hunter Hulan Matthies tied first place perfect scores flying stock Satellite 450s nothing automated Add last years near-sweep Midi Pearls plus Mark Valerius third place year Midi Pearl message clear Instead building FAI power ships will flown fly-off world cham pionships dont build simpler less exotic airplanes can win contests home might surprised Make no mistake about fine FAI power event excellent field felt seen higher overall calibre flying good old Class A-gas event Wallace Johnson Gerald Comp Senior survivors per fect scores Johnson handily winning fly-off weather dreaded officials hand-launched-glider event perfect slight drift gentle ther mals would usually spin gliders popular Junior events Nats appropriately son old Nationals friend Jack Nix won US Kid design old flying business P M & P partner Tommy T plug US Kid now manufactured 74 Model Aviation GollyGeeWhiz continued
Edition: Model Aviation - 1975/11
Page Numbers: 32, 34, 73, 74
For Half-A powered Combat coming strong some areas simple sturdy scorcher gollygeewhiz Dan Rutherford PRETTY FUNKY name right fits Ill ask people fly AMA Fast Combat would interested fly ing some 049 Combat say rather sarcastically Golly Gee Whiz dont know can handle After little pressure get try planes either match solo After trying plane seeing what can comment still Golly Gee Whiz sarcasm gone GollyGeeWhiz designed out necessity About year ago started promoting 049 Combat North west caught fast wasnt long before realized werent decent 049 Combat kits market breach leaped Dirty Dan GollyGeeWhiz Modesty forbids claim design ultimatebut best have seen yet plane easy build has good top speed turns tight will sur vive being plugged ground repeat edly wont make through solid mid air plane can has real turkey anyway construction may look weak its lack bunches full ribs bothers go ahead put some ribs Just remember plane light strong enough two full ribs per panel Without fuel planes ready-to-fly weight 4 1/4 4 1/2 oz prop bladder tube engine stalled FasCal covering works best plane Crystal Cover Competi tion Models can also used plastic films such MonoKote Solarfilm arent quite strong enough hold plane together through much ground pounding almost indestructible plane could cover Skyloft made Southern R/C Skyloft stronger silk lot cheaper three square yards $280 As Combat planes Golly GeeWhiz flies best honkin engine An out-of-the-box TD 049 OK take time break five six two-minute runs slightly rich needle setting Once broken use least 40% nitro fuel recommend 60% Nitrotane good consistent fuel number things can done TD 049 get power article wont go engine rework know Speed fliers get help engine order Custom engine Dale Kim Kirn-Kraft PO Box 224 Anaheim Calif 92805 Dale also makes replacement needle valve assembly TD engines necessity want get consistent needle settings Ask catalog showing kinds neat stuff 049 fliers use Dacron lines flying 049 Combat regardless design es pecially flying GollyGeeWhiz Dacron lines give lots drag stretch lot giving mushy feel plane Because good 049 Combat plane quick react stretchy lines last thing need tight match best lines use pure performance standpoint 35 X 008 braided steel lines However small di ameter tough tie up probably will ruined very first good line tangle also very sus ceptible kinks mention being easily cut opponents plane fly-aways neat things about Combat use 008 lines can stand hassle 35 braided steel lines good compromise because easy tie up because last long time arent easily cut get plane should make light handle better feel 018 leadouts trusty ol E-Z-Just youve using years wont cut 049 Combat An 049 Combat plane doesnt pull very hard consequently wont pull leadouts handle out straight Same song second verse mushy feel handle special handle easy enough make 32 Model Aviation No secrets modern see-through coverings reveals structural details wingbare bones might say G ollyG eeWhiz out 1/4 ply Just sure include some form adjustment leadouts handle use old AMA Combat lines have enough old lines make 3887 handles probably too have flying Combat length time Enough rambling lets build Best place start motor mount assembly can cut out other parts mount assembly drying mounts can made /t sq maple have jig-saw cut 3/s X e stock down center give mounts /8 wide almost 1/4 deep Cut balsa spacer size glue mounts epoxy As long mixed too much epoxy anyway go ahead smear over side mount assembly Lay whole sticky mess piece 1/32 ply excess ply can cut off after epoxy dry Now start cutting wood Cut parts accurately possible Things should fit start building joints must fit snugly well-built GollyGeeWhiz tough break sloppilybuilt just another clunk plane looking spot upon disintegrate mount assembly should dry now trim off excess ply cut hole LE 5-minute epoxy glue LE two center ribs mount assembly Make sure get thing straight get lined up just right rest plane will just fall place get crooked welljust dont get crooked no need build plane plans Just draw straight line building board line up TE Another line right angle tl{e first will help get tip rib square TE TE LE marked rib locations tip rib square TE straight motor mount assembly thing has come out lined up properly wont get plans screwed up finally ready get plane framed up Initial framing done plane upside down bottom sheeting can installed immediately after ribs installed complete Pin TE building board being sure aligned straight line already drawn Glue bottom spar actually will top spar plane right side up mount assembly glue two center ribs TE spar can blocked up scrap 1/4 sq much better letting everything hang mid-air try work After double-checking see thing straight start adding ribs halfribs working center tips side ribs add top ok bottom TE piece spar Now go ahead add sheeting center section wing drying make bladder compartment Estes BT-50 rocket tube Notice tube must squashed fit wing Cap off both ends tube 1/8 balsa cut access hole fuelproof sloshing some dope around inside tube doubt wing dry yet make up bellcrank assembly next Old 018 Combat lines make good leadouts planes use l/2A leadout ma terial further limit control out board arm bellcrank should cut off crank moved close pos sible center rib Bend up pushrod will have ready install later stab/boom assembly easy Just hinge elevator stab nylon tape FasCal glue booms stab sure booms straight spaced 4 apart will line up over ribs under center section sheeting plans call 3/32 basswood booms cant locate basswood understand Sig discontinued market ing bass can use 3/32 ply make booms narrow possible use ply As drawn plane real close being tail-heavy way want plane will turn right now means extra weight stab/boom assembly will make plane continued page 73 Everything need Combat three new planes gallon 60% Nitrotane Dantoolbox yellow Hobby Poxy can find Box story itself unfort,y w dont have space describe Right Good closeup showing engine mount bladder made thin-wall surgical tubing Article describes use Tatone bladder 34 Model Aviation Dans own-designed handle significant feature Light-weight leadouts handle iuii portent good feel 049 Combat planes Exhaust Noise/Pharis continued page 31 exhaust stack shown Fig D Weld outlet tube shown Fig E file away weld material pro tudes slot opening may also weld two three horizontal cooling fins outside deflector plate help minimize increased operating tempera ture caused exposing crankcase hot exhaust gases deflected rearward Carefully clean oil parts stall crankshaft wrist pin connecting rod piston Modify exhaust port cylinder liner follows Insert liner rotate required precisely align intake port fuel bypass crankcase baffle top piston Look rear exhaust outlet tube scribe vertical line onto liner locate left end exhaust outlet slot crankcase Remove liner scribe two parallel horizontal lines extending upper lower sides exhaust port vertical line Using small fine square file carefully lengthen rear liner exhaust port filing away scribed area Deburr inner side exhaust port area filed avoid scratching piston Clean reoil liner install Com plete engine assembly using new backp1 ate head gaskets muffler modified size B Fox silencer closed front style standard muffler shown disassembled Fig F Modify per Fig G follows Mill and/ file away front baffle inner part leaving three equally spaced vanes about 006 thick keep inner part centered outer part Cut off 012 normal side-exhaust inlet Using same type size aluminum tube used engine rear exhaust out let make flared muffler inlet tube curved outlet tube Use same thickness type aluminum sheet used make engine exhaust deflector plate make muffler mounting flange about 112 175 two 0125 diameter holes Weld curved outlet tube rear inner part oriented desired direc tion relative mounting flange ie downward sideways etc Seal open ing remaining portion normal side-exhaust inlet weld weld mounting flange flared inlet tube place outer part completed muffler modification shown Fig H inlet tube shown before welding expose exhaust-gas passage formed front modified baffle inner part mounting flange operat ing temperature 3000F recom mended thin piece asbestos used under flange protect fuse lage Use piece 0625 ID silicon rub ber hose 075 long join muffler engine-exhaust-outlet tube seems like lot trouble However well worth terms 46 Power 10- 19 $2695 SUPER ieose send illustrated coiolag 1of models accessories] enclose 25g INameI II Address II City State ______________________ Zip __________________ 1 JJJVT PRODUCTS CO StHobartIndiana 46342 providing reliable lightweight inexpen sive engine featuring muffler packaged within small streamlined fuselage better sound reduction greater power currently available side-mounted muffler Lets hope engines mufflers general configuration 35-61 size range UC Stunt RC Pattern use become commercially avail able soon WANTED ideas happenings hints/kinks howto sketches photos news etc Send colum nist category concernedat address shown column photo idea printed Model Aviation will pay $5 contributor G ollyG eeWhiz/R utherford continued page 34 tail-heavy almost impossible fly level worry about just move motor ahead 1/4 try plane once can always move engine back plane isnt responsive enough Pull wing off board turn over should now right side up pin down building board Mark inboard tip rib leadout position lay bellerank assembly posi tion Using best eye piece sharpened 1/4 brass tubing punch holes ribs leadouts Glue complete bellcrank assembly Thread leadouts through ribs notch TE pushrod Cut off front rib way bladder tube install bladder tube Check sure bellcrank working binds Add top sheeting want can glue tips leadout guides now usually wait until LE carved shape everything dry plane LE shape sand entire structure havent already done glue tips dont forget tip weight now ready cover plane cover planes tip rib tip rib FasCal cover tips MonoKote MonoKote does lot better job compound curves adds some color plane making easier see match cover FasCal can glue booms directly onto covering using other covering ma terial dont take chance Remove covering joint glue directly center section sheeting glue November1975 73 1-1g II UUIIOT SUDS weiaea rear inner part flange mounting welded remaining portion original side exhaust inlet outer part new exhaust inlet tube prior welding Note ex haust passage formed modification front baffle O4 E 0 S CO EC ION COMP STE WITHOUT THE AUTHENTIC UOLLS LINE OF MODELDOM yoo loon tho old olotoge oinroft oc yooIl reolly loon oony dooeoe tnntendooe onriety ne ofte, eoen tftey no oil oppeni yoo Theytodenigondothhnnnotinolooeono onddetoil nhiof dodinotion ond loloo loon non nreote Ctovelood-Doeignod nodnin ore ononid rooct nothentic doeigne ood too ootly bot yoo ooni. bet yoor hobby tfrenee no othe line look Whot ic good i onoolly nonreofrot onetly odoy roFbooms FasCal because occasionally can recycle set booms plane gets wiped out booms lot easier get off arent glued wood Add control horn Kwik-Link install motor should ready go flying didnt mention will have make up bladder fuel tank use small Tatone bladder cut down about l/2tt kind obvious isnt couple things fore going out fly new GollyGee Whiz Optional yes add immensely total enjoyment Combat flying insure will ar rive field looking like Combat jock turkey First have probably noticed Combat fliers flippin fingers always cut various stages healing quickest way get Combat hands stick fingers running prop Felt good didnt it hurts too much bite old glow plug bandage fingers way everybody will able see active Combat flier As long have some fresh cuts hand speak practice pouring raw fuel cuts wincing Second going have get yourself accustomed minor ag gravations go along using pen bladders Try blow up fuel using regular fuel bulb Cant Squeeze harder Use both hands Yuk yuk blew end right out fuel bulb didnt Go get 2 oz dose sy ringe local veterinarian hobby shop may have CMI people make Guillotine Combat kits Captains Bladders market 2-oz syringe works costs $139 Now using syringe fill bladder fuel Aiming carefully avoid wasting fuel shooting self face chest fuel full bladder Sooner later youll get hit fuel bladder might well once purpose will know what look forward next time Wipe yourself off shirt give nice touch nitro stain Now cut bleeding covered fuel biting plug go fly Assuming plane straight no warps shouldnt give trouble first flight sure dont have too much control first time up Most planes have less 1/2 total travel elevator measured TE Getting good setting engine will probably problem first few flights especially didnt get Kirn-Kraft needle valve suggested engine running lean out slowly until peaks out richen up slowly until just slightly cracks rich As soon plane launched engine should lean out right lean out richen up next flight engine requires slightly different setting experiment until can get right time No matter what setting engine requires before launching dont worry about Just concentrate getting engine run WFO level flight maneuvers Dont afraid try different props engine bogs down turns gen erally use Top Flite 5 1/4 X 3 nylon prop engine might pull 5 1/4 X 4 could try Grish Tornado 5 1/2 X 3 can afford use wood props Top Flite 5 1/4 X 3 Power Prop great honkin engine might go through whole box day fly much Northwest streamers use regular crepe paper material used Fast Combat streamers make 1/2 wide use carpet thread leader Most string little too tough 049 engine cut hope will give 049 Combat try whether pro Combat flyer Sport flier looking inexpensive way break Combat NW fly lots Combat 049 Combat has really caught fast like must good Try GollyGeeWhiz Youll sec what am talk ing about last thing Anybody inter est Combat should belong Miniature Aircraft Combat Association past year MACA has become super organization Tom Southern Bill Allen newsletter MACA always very good Within MACA Com bat Advisory Committee has formed advise Control Line Contest Board proposed rules affect Combat mation CAC printing newsletter just two visible things accomplished MACA mainly through efforts Tom Bill would like part MACA send check money order $500 Tom Southern 2207 Paul Longview Texas 75601 clip coupon magazine Nats/FF/Mathis continued page 23 3-minute max too fragile hard build etc detected whir mental gears meshing once reasons spoken Maybe next year someone will turn up monsters complete good old strapon winder Another 630 am saw FAI power event start unfolding tune tick ing Seeligs flipping auto surfaces squalling Rossis am convinced significant number FAI power fliers have excessively developed engine fetishes consists running ones Rossi taching until worn out ig noring trim model except climb pattern after quick D-T followed engine running etc point driven home upon observing late evening sixth-round drift non-existent body gliding down launch area dont know anyone else noticed two thirds airplanes far out glide trim fast tight side result missed maxes best FAI fliers US interest ing hear blame near-miss bad engine setting engine fetish again model practically dived runway glide appears gadgetry power have gotten out control Most FAI contestants airplane could handle best constantly wandering off trim has message fact until final round thunderstorm front caught disrupted plans Bill Hunter Hulan Matthies tied first place perfect scores flying stock Satellite 450s nothing automated Add last years near-sweep Midi Pearls plus Mark Valerius third place year Midi Pearl message clear Instead building FAI power ships will flown fly-off world cham pionships dont build simpler less exotic airplanes can win contests home might surprised Make no mistake about fine FAI power event excellent field felt seen higher overall calibre flying good old Class A-gas event Wallace Johnson Gerald Comp Senior survivors per fect scores Johnson handily winning fly-off weather dreaded officials hand-launched-glider event perfect slight drift gentle ther mals would usually spin gliders popular Junior events Nats appropriately son old Nationals friend Jack Nix won US Kid design old flying business P M & P partner Tommy T plug US Kid now manufactured 74 Model Aviation GollyGeeWhiz continued
Edition: Model Aviation - 1975/11
Page Numbers: 32, 34, 73, 74
For Half-A powered Combat coming strong some areas simple sturdy scorcher gollygeewhiz Dan Rutherford PRETTY FUNKY name right fits Ill ask people fly AMA Fast Combat would interested fly ing some 049 Combat say rather sarcastically Golly Gee Whiz dont know can handle After little pressure get try planes either match solo After trying plane seeing what can comment still Golly Gee Whiz sarcasm gone GollyGeeWhiz designed out necessity About year ago started promoting 049 Combat North west caught fast wasnt long before realized werent decent 049 Combat kits market breach leaped Dirty Dan GollyGeeWhiz Modesty forbids claim design ultimatebut best have seen yet plane easy build has good top speed turns tight will sur vive being plugged ground repeat edly wont make through solid mid air plane can has real turkey anyway construction may look weak its lack bunches full ribs bothers go ahead put some ribs Just remember plane light strong enough two full ribs per panel Without fuel planes ready-to-fly weight 4 1/4 4 1/2 oz prop bladder tube engine stalled FasCal covering works best plane Crystal Cover Competi tion Models can also used plastic films such MonoKote Solarfilm arent quite strong enough hold plane together through much ground pounding almost indestructible plane could cover Skyloft made Southern R/C Skyloft stronger silk lot cheaper three square yards $280 As Combat planes Golly GeeWhiz flies best honkin engine An out-of-the-box TD 049 OK take time break five six two-minute runs slightly rich needle setting Once broken use least 40% nitro fuel recommend 60% Nitrotane good consistent fuel number things can done TD 049 get power article wont go engine rework know Speed fliers get help engine order Custom engine Dale Kim Kirn-Kraft PO Box 224 Anaheim Calif 92805 Dale also makes replacement needle valve assembly TD engines necessity want get consistent needle settings Ask catalog showing kinds neat stuff 049 fliers use Dacron lines flying 049 Combat regardless design es pecially flying GollyGeeWhiz Dacron lines give lots drag stretch lot giving mushy feel plane Because good 049 Combat plane quick react stretchy lines last thing need tight match best lines use pure performance standpoint 35 X 008 braided steel lines However small di ameter tough tie up probably will ruined very first good line tangle also very sus ceptible kinks mention being easily cut opponents plane fly-aways neat things about Combat use 008 lines can stand hassle 35 braided steel lines good compromise because easy tie up because last long time arent easily cut get plane should make light handle better feel 018 leadouts trusty ol E-Z-Just youve using years wont cut 049 Combat An 049 Combat plane doesnt pull very hard consequently wont pull leadouts handle out straight Same song second verse mushy feel handle special handle easy enough make 32 Model Aviation No secrets modern see-through coverings reveals structural details wingbare bones might say G ollyG eeWhiz out 1/4 ply Just sure include some form adjustment leadouts handle use old AMA Combat lines have enough old lines make 3887 handles probably too have flying Combat length time Enough rambling lets build Best place start motor mount assembly can cut out other parts mount assembly drying mounts can made /t sq maple have jig-saw cut 3/s X e stock down center give mounts /8 wide almost 1/4 deep Cut balsa spacer size glue mounts epoxy As long mixed too much epoxy anyway go ahead smear over side mount assembly Lay whole sticky mess piece 1/32 ply excess ply can cut off after epoxy dry Now start cutting wood Cut parts accurately possible Things should fit start building joints must fit snugly well-built GollyGeeWhiz tough break sloppilybuilt just another clunk plane looking spot upon disintegrate mount assembly should dry now trim off excess ply cut hole LE 5-minute epoxy glue LE two center ribs mount assembly Make sure get thing straight get lined up just right rest plane will just fall place get crooked welljust dont get crooked no need build plane plans Just draw straight line building board line up TE Another line right angle tl{e first will help get tip rib square TE TE LE marked rib locations tip rib square TE straight motor mount assembly thing has come out lined up properly wont get plans screwed up finally ready get plane framed up Initial framing done plane upside down bottom sheeting can installed immediately after ribs installed complete Pin TE building board being sure aligned straight line already drawn Glue bottom spar actually will top spar plane right side up mount assembly glue two center ribs TE spar can blocked up scrap 1/4 sq much better letting everything hang mid-air try work After double-checking see thing straight start adding ribs halfribs working center tips side ribs add top ok bottom TE piece spar Now go ahead add sheeting center section wing drying make bladder compartment Estes BT-50 rocket tube Notice tube must squashed fit wing Cap off both ends tube 1/8 balsa cut access hole fuelproof sloshing some dope around inside tube doubt wing dry yet make up bellcrank assembly next Old 018 Combat lines make good leadouts planes use l/2A leadout ma terial further limit control out board arm bellcrank should cut off crank moved close pos sible center rib Bend up pushrod will have ready install later stab/boom assembly easy Just hinge elevator stab nylon tape FasCal glue booms stab sure booms straight spaced 4 apart will line up over ribs under center section sheeting plans call 3/32 basswood booms cant locate basswood understand Sig discontinued market ing bass can use 3/32 ply make booms narrow possible use ply As drawn plane real close being tail-heavy way want plane will turn right now means extra weight stab/boom assembly will make plane continued page 73 Everything need Combat three new planes gallon 60% Nitrotane Dantoolbox yellow Hobby Poxy can find Box story itself unfort,y w dont have space describe Right Good closeup showing engine mount bladder made thin-wall surgical tubing Article describes use Tatone bladder 34 Model Aviation Dans own-designed handle significant feature Light-weight leadouts handle iuii portent good feel 049 Combat planes Exhaust Noise/Pharis continued page 31 exhaust stack shown Fig D Weld outlet tube shown Fig E file away weld material pro tudes slot opening may also weld two three horizontal cooling fins outside deflector plate help minimize increased operating tempera ture caused exposing crankcase hot exhaust gases deflected rearward Carefully clean oil parts stall crankshaft wrist pin connecting rod piston Modify exhaust port cylinder liner follows Insert liner rotate required precisely align intake port fuel bypass crankcase baffle top piston Look rear exhaust outlet tube scribe vertical line onto liner locate left end exhaust outlet slot crankcase Remove liner scribe two parallel horizontal lines extending upper lower sides exhaust port vertical line Using small fine square file carefully lengthen rear liner exhaust port filing away scribed area Deburr inner side exhaust port area filed avoid scratching piston Clean reoil liner install Com plete engine assembly using new backp1 ate head gaskets muffler modified size B Fox silencer closed front style standard muffler shown disassembled Fig F Modify per Fig G follows Mill and/ file away front baffle inner part leaving three equally spaced vanes about 006 thick keep inner part centered outer part Cut off 012 normal side-exhaust inlet Using same type size aluminum tube used engine rear exhaust out let make flared muffler inlet tube curved outlet tube Use same thickness type aluminum sheet used make engine exhaust deflector plate make muffler mounting flange about 112 175 two 0125 diameter holes Weld curved outlet tube rear inner part oriented desired direc tion relative mounting flange ie downward sideways etc Seal open ing remaining portion normal side-exhaust inlet weld weld mounting flange flared inlet tube place outer part completed muffler modification shown Fig H inlet tube shown before welding expose exhaust-gas passage formed front modified baffle inner part mounting flange operat ing temperature 3000F recom mended thin piece asbestos used under flange protect fuse lage Use piece 0625 ID silicon rub ber hose 075 long join muffler engine-exhaust-outlet tube seems like lot trouble However well worth terms 46 Power 10- 19 $2695 SUPER ieose send illustrated coiolag 1of models accessories] enclose 25g INameI II Address II City State ______________________ Zip __________________ 1 JJJVT PRODUCTS CO StHobartIndiana 46342 providing reliable lightweight inexpen sive engine featuring muffler packaged within small streamlined fuselage better sound reduction greater power currently available side-mounted muffler Lets hope engines mufflers general configuration 35-61 size range UC Stunt RC Pattern use become commercially avail able soon WANTED ideas happenings hints/kinks howto sketches photos news etc Send colum nist category concernedat address shown column photo idea printed Model Aviation will pay $5 contributor G ollyG eeWhiz/R utherford continued page 34 tail-heavy almost impossible fly level worry about just move motor ahead 1/4 try plane once can always move engine back plane isnt responsive enough Pull wing off board turn over should now right side up pin down building board Mark inboard tip rib leadout position lay bellerank assembly posi tion Using best eye piece sharpened 1/4 brass tubing punch holes ribs leadouts Glue complete bellcrank assembly Thread leadouts through ribs notch TE pushrod Cut off front rib way bladder tube install bladder tube Check sure bellcrank working binds Add top sheeting want can glue tips leadout guides now usually wait until LE carved shape everything dry plane LE shape sand entire structure havent already done glue tips dont forget tip weight now ready cover plane cover planes tip rib tip rib FasCal cover tips MonoKote MonoKote does lot better job compound curves adds some color plane making easier see match cover FasCal can glue booms directly onto covering using other covering ma terial dont take chance Remove covering joint glue directly center section sheeting glue November1975 73 1-1g II UUIIOT SUDS weiaea rear inner part flange mounting welded remaining portion original side exhaust inlet outer part new exhaust inlet tube prior welding Note ex haust passage formed modification front baffle O4 E 0 S CO EC ION COMP STE WITHOUT THE AUTHENTIC UOLLS LINE OF MODELDOM yoo loon tho old olotoge oinroft oc yooIl reolly loon oony dooeoe tnntendooe onriety ne ofte, eoen tftey no oil oppeni yoo Theytodenigondothhnnnotinolooeono onddetoil nhiof dodinotion ond loloo loon non nreote Ctovelood-Doeignod nodnin ore ononid rooct nothentic doeigne ood too ootly bot yoo ooni. bet yoor hobby tfrenee no othe line look Whot ic good i onoolly nonreofrot onetly odoy roFbooms FasCal because occasionally can recycle set booms plane gets wiped out booms lot easier get off arent glued wood Add control horn Kwik-Link install motor should ready go flying didnt mention will have make up bladder fuel tank use small Tatone bladder cut down about l/2tt kind obvious isnt couple things fore going out fly new GollyGee Whiz Optional yes add immensely total enjoyment Combat flying insure will ar rive field looking like Combat jock turkey First have probably noticed Combat fliers flippin fingers always cut various stages healing quickest way get Combat hands stick fingers running prop Felt good didnt it hurts too much bite old glow plug bandage fingers way everybody will able see active Combat flier As long have some fresh cuts hand speak practice pouring raw fuel cuts wincing Second going have get yourself accustomed minor ag gravations go along using pen bladders Try blow up fuel using regular fuel bulb Cant Squeeze harder Use both hands Yuk yuk blew end right out fuel bulb didnt Go get 2 oz dose sy ringe local veterinarian hobby shop may have CMI people make Guillotine Combat kits Captains Bladders market 2-oz syringe works costs $139 Now using syringe fill bladder fuel Aiming carefully avoid wasting fuel shooting self face chest fuel full bladder Sooner later youll get hit fuel bladder might well once purpose will know what look forward next time Wipe yourself off shirt give nice touch nitro stain Now cut bleeding covered fuel biting plug go fly Assuming plane straight no warps shouldnt give trouble first flight sure dont have too much control first time up Most planes have less 1/2 total travel elevator measured TE Getting good setting engine will probably problem first few flights especially didnt get Kirn-Kraft needle valve suggested engine running lean out slowly until peaks out richen up slowly until just slightly cracks rich As soon plane launched engine should lean out right lean out richen up next flight engine requires slightly different setting experiment until can get right time No matter what setting engine requires before launching dont worry about Just concentrate getting engine run WFO level flight maneuvers Dont afraid try different props engine bogs down turns gen erally use Top Flite 5 1/4 X 3 nylon prop engine might pull 5 1/4 X 4 could try Grish Tornado 5 1/2 X 3 can afford use wood props Top Flite 5 1/4 X 3 Power Prop great honkin engine might go through whole box day fly much Northwest streamers use regular crepe paper material used Fast Combat streamers make 1/2 wide use carpet thread leader Most string little too tough 049 engine cut hope will give 049 Combat try whether pro Combat flyer Sport flier looking inexpensive way break Combat NW fly lots Combat 049 Combat has really caught fast like must good Try GollyGeeWhiz Youll sec what am talk ing about last thing Anybody inter est Combat should belong Miniature Aircraft Combat Association past year MACA has become super organization Tom Southern Bill Allen newsletter MACA always very good Within MACA Com bat Advisory Committee has formed advise Control Line Contest Board proposed rules affect Combat mation CAC printing newsletter just two visible things accomplished MACA mainly through efforts Tom Bill would like part MACA send check money order $500 Tom Southern 2207 Paul Longview Texas 75601 clip coupon magazine Nats/FF/Mathis continued page 23 3-minute max too fragile hard build etc detected whir mental gears meshing once reasons spoken Maybe next year someone will turn up monsters complete good old strapon winder Another 630 am saw FAI power event start unfolding tune tick ing Seeligs flipping auto surfaces squalling Rossis am convinced significant number FAI power fliers have excessively developed engine fetishes consists running ones Rossi taching until worn out ig noring trim model except climb pattern after quick D-T followed engine running etc point driven home upon observing late evening sixth-round drift non-existent body gliding down launch area dont know anyone else noticed two thirds airplanes far out glide trim fast tight side result missed maxes best FAI fliers US interest ing hear blame near-miss bad engine setting engine fetish again model practically dived runway glide appears gadgetry power have gotten out control Most FAI contestants airplane could handle best constantly wandering off trim has message fact until final round thunderstorm front caught disrupted plans Bill Hunter Hulan Matthies tied first place perfect scores flying stock Satellite 450s nothing automated Add last years near-sweep Midi Pearls plus Mark Valerius third place year Midi Pearl message clear Instead building FAI power ships will flown fly-off world cham pionships dont build simpler less exotic airplanes can win contests home might surprised Make no mistake about fine FAI power event excellent field felt seen higher overall calibre flying good old Class A-gas event Wallace Johnson Gerald Comp Senior survivors per fect scores Johnson handily winning fly-off weather dreaded officials hand-launched-glider event perfect slight drift gentle ther mals would usually spin gliders popular Junior events Nats appropriately son old Nationals friend Jack Nix won US Kid design old flying business P M & P partner Tommy T plug US Kid now manufactured 74 Model Aviation GollyGeeWhiz continued
Edition: Model Aviation - 1975/11
Page Numbers: 32, 34, 73, 74
For Half-A powered Combat coming strong some areas simple sturdy scorcher gollygeewhiz Dan Rutherford PRETTY FUNKY name right fits Ill ask people fly AMA Fast Combat would interested fly ing some 049 Combat say rather sarcastically Golly Gee Whiz dont know can handle After little pressure get try planes either match solo After trying plane seeing what can comment still Golly Gee Whiz sarcasm gone GollyGeeWhiz designed out necessity About year ago started promoting 049 Combat North west caught fast wasnt long before realized werent decent 049 Combat kits market breach leaped Dirty Dan GollyGeeWhiz Modesty forbids claim design ultimatebut best have seen yet plane easy build has good top speed turns tight will sur vive being plugged ground repeat edly wont make through solid mid air plane can has real turkey anyway construction may look weak its lack bunches full ribs bothers go ahead put some ribs Just remember plane light strong enough two full ribs per panel Without fuel planes ready-to-fly weight 4 1/4 4 1/2 oz prop bladder tube engine stalled FasCal covering works best plane Crystal Cover Competi tion Models can also used plastic films such MonoKote Solarfilm arent quite strong enough hold plane together through much ground pounding almost indestructible plane could cover Skyloft made Southern R/C Skyloft stronger silk lot cheaper three square yards $280 As Combat planes Golly GeeWhiz flies best honkin engine An out-of-the-box TD 049 OK take time break five six two-minute runs slightly rich needle setting Once broken use least 40% nitro fuel recommend 60% Nitrotane good consistent fuel number things can done TD 049 get power article wont go engine rework know Speed fliers get help engine order Custom engine Dale Kim Kirn-Kraft PO Box 224 Anaheim Calif 92805 Dale also makes replacement needle valve assembly TD engines necessity want get consistent needle settings Ask catalog showing kinds neat stuff 049 fliers use Dacron lines flying 049 Combat regardless design es pecially flying GollyGeeWhiz Dacron lines give lots drag stretch lot giving mushy feel plane Because good 049 Combat plane quick react stretchy lines last thing need tight match best lines use pure performance standpoint 35 X 008 braided steel lines However small di ameter tough tie up probably will ruined very first good line tangle also very sus ceptible kinks mention being easily cut opponents plane fly-aways neat things about Combat use 008 lines can stand hassle 35 braided steel lines good compromise because easy tie up because last long time arent easily cut get plane should make light handle better feel 018 leadouts trusty ol E-Z-Just youve using years wont cut 049 Combat An 049 Combat plane doesnt pull very hard consequently wont pull leadouts handle out straight Same song second verse mushy feel handle special handle easy enough make 32 Model Aviation No secrets modern see-through coverings reveals structural details wingbare bones might say G ollyG eeWhiz out 1/4 ply Just sure include some form adjustment leadouts handle use old AMA Combat lines have enough old lines make 3887 handles probably too have flying Combat length time Enough rambling lets build Best place start motor mount assembly can cut out other parts mount assembly drying mounts can made /t sq maple have jig-saw cut 3/s X e stock down center give mounts /8 wide almost 1/4 deep Cut balsa spacer size glue mounts epoxy As long mixed too much epoxy anyway go ahead smear over side mount assembly Lay whole sticky mess piece 1/32 ply excess ply can cut off after epoxy dry Now start cutting wood Cut parts accurately possible Things should fit start building joints must fit snugly well-built GollyGeeWhiz tough break sloppilybuilt just another clunk plane looking spot upon disintegrate mount assembly should dry now trim off excess ply cut hole LE 5-minute epoxy glue LE two center ribs mount assembly Make sure get thing straight get lined up just right rest plane will just fall place get crooked welljust dont get crooked no need build plane plans Just draw straight line building board line up TE Another line right angle tl{e first will help get tip rib square TE TE LE marked rib locations tip rib square TE straight motor mount assembly thing has come out lined up properly wont get plans screwed up finally ready get plane framed up Initial framing done plane upside down bottom sheeting can installed immediately after ribs installed complete Pin TE building board being sure aligned straight line already drawn Glue bottom spar actually will top spar plane right side up mount assembly glue two center ribs TE spar can blocked up scrap 1/4 sq much better letting everything hang mid-air try work After double-checking see thing straight start adding ribs halfribs working center tips side ribs add top ok bottom TE piece spar Now go ahead add sheeting center section wing drying make bladder compartment Estes BT-50 rocket tube Notice tube must squashed fit wing Cap off both ends tube 1/8 balsa cut access hole fuelproof sloshing some dope around inside tube doubt wing dry yet make up bellcrank assembly next Old 018 Combat lines make good leadouts planes use l/2A leadout ma terial further limit control out board arm bellcrank should cut off crank moved close pos sible center rib Bend up pushrod will have ready install later stab/boom assembly easy Just hinge elevator stab nylon tape FasCal glue booms stab sure booms straight spaced 4 apart will line up over ribs under center section sheeting plans call 3/32 basswood booms cant locate basswood understand Sig discontinued market ing bass can use 3/32 ply make booms narrow possible use ply As drawn plane real close being tail-heavy way want plane will turn right now means extra weight stab/boom assembly will make plane continued page 73 Everything need Combat three new planes gallon 60% Nitrotane Dantoolbox yellow Hobby Poxy can find Box story itself unfort,y w dont have space describe Right Good closeup showing engine mount bladder made thin-wall surgical tubing Article describes use Tatone bladder 34 Model Aviation Dans own-designed handle significant feature Light-weight leadouts handle iuii portent good feel 049 Combat planes Exhaust Noise/Pharis continued page 31 exhaust stack shown Fig D Weld outlet tube shown Fig E file away weld material pro tudes slot opening may also weld two three horizontal cooling fins outside deflector plate help minimize increased operating tempera ture caused exposing crankcase hot exhaust gases deflected rearward Carefully clean oil parts stall crankshaft wrist pin connecting rod piston Modify exhaust port cylinder liner follows Insert liner rotate required precisely align intake port fuel bypass crankcase baffle top piston Look rear exhaust outlet tube scribe vertical line onto liner locate left end exhaust outlet slot crankcase Remove liner scribe two parallel horizontal lines extending upper lower sides exhaust port vertical line Using small fine square file carefully lengthen rear liner exhaust port filing away scribed area Deburr inner side exhaust port area filed avoid scratching piston Clean reoil liner install Com plete engine assembly using new backp1 ate head gaskets muffler modified size B Fox silencer closed front style standard muffler shown disassembled Fig F Modify per Fig G follows Mill and/ file away front baffle inner part leaving three equally spaced vanes about 006 thick keep inner part centered outer part Cut off 012 normal side-exhaust inlet Using same type size aluminum tube used engine rear exhaust out let make flared muffler inlet tube curved outlet tube Use same thickness type aluminum sheet used make engine exhaust deflector plate make muffler mounting flange about 112 175 two 0125 diameter holes Weld curved outlet tube rear inner part oriented desired direc tion relative mounting flange ie downward sideways etc Seal open ing remaining portion normal side-exhaust inlet weld weld mounting flange flared inlet tube place outer part completed muffler modification shown Fig H inlet tube shown before welding expose exhaust-gas passage formed front modified baffle inner part mounting flange operat ing temperature 3000F recom mended thin piece asbestos used under flange protect fuse lage Use piece 0625 ID silicon rub ber hose 075 long join muffler engine-exhaust-outlet tube seems like lot trouble However well worth terms 46 Power 10- 19 $2695 SUPER ieose send illustrated coiolag 1of models accessories] enclose 25g INameI II Address II City State ______________________ Zip __________________ 1 JJJVT PRODUCTS CO StHobartIndiana 46342 providing reliable lightweight inexpen sive engine featuring muffler packaged within small streamlined fuselage better sound reduction greater power currently available side-mounted muffler Lets hope engines mufflers general configuration 35-61 size range UC Stunt RC Pattern use become commercially avail able soon WANTED ideas happenings hints/kinks howto sketches photos news etc Send colum nist category concernedat address shown column photo idea printed Model Aviation will pay $5 contributor G ollyG eeWhiz/R utherford continued page 34 tail-heavy almost impossible fly level worry about just move motor ahead 1/4 try plane once can always move engine back plane isnt responsive enough Pull wing off board turn over should now right side up pin down building board Mark inboard tip rib leadout position lay bellerank assembly posi tion Using best eye piece sharpened 1/4 brass tubing punch holes ribs leadouts Glue complete bellcrank assembly Thread leadouts through ribs notch TE pushrod Cut off front rib way bladder tube install bladder tube Check sure bellcrank working binds Add top sheeting want can glue tips leadout guides now usually wait until LE carved shape everything dry plane LE shape sand entire structure havent already done glue tips dont forget tip weight now ready cover plane cover planes tip rib tip rib FasCal cover tips MonoKote MonoKote does lot better job compound curves adds some color plane making easier see match cover FasCal can glue booms directly onto covering using other covering ma terial dont take chance Remove covering joint glue directly center section sheeting glue November1975 73 1-1g II UUIIOT SUDS weiaea rear inner part flange mounting welded remaining portion original side exhaust inlet outer part new exhaust inlet tube prior welding Note ex haust passage formed modification front baffle O4 E 0 S CO EC ION COMP STE WITHOUT THE AUTHENTIC UOLLS LINE OF MODELDOM yoo loon tho old olotoge oinroft oc yooIl reolly loon oony dooeoe tnntendooe onriety ne ofte, eoen tftey no oil oppeni yoo Theytodenigondothhnnnotinolooeono onddetoil nhiof dodinotion ond loloo loon non nreote Ctovelood-Doeignod nodnin ore ononid rooct nothentic doeigne ood too ootly bot yoo ooni. bet yoor hobby tfrenee no othe line look Whot ic good i onoolly nonreofrot onetly odoy roFbooms FasCal because occasionally can recycle set booms plane gets wiped out booms lot easier get off arent glued wood Add control horn Kwik-Link install motor should ready go flying didnt mention will have make up bladder fuel tank use small Tatone bladder cut down about l/2tt kind obvious isnt couple things fore going out fly new GollyGee Whiz Optional yes add immensely total enjoyment Combat flying insure will ar rive field looking like Combat jock turkey First have probably noticed Combat fliers flippin fingers always cut various stages healing quickest way get Combat hands stick fingers running prop Felt good didnt it hurts too much bite old glow plug bandage fingers way everybody will able see active Combat flier As long have some fresh cuts hand speak practice pouring raw fuel cuts wincing Second going have get yourself accustomed minor ag gravations go along using pen bladders Try blow up fuel using regular fuel bulb Cant Squeeze harder Use both hands Yuk yuk blew end right out fuel bulb didnt Go get 2 oz dose sy ringe local veterinarian hobby shop may have CMI people make Guillotine Combat kits Captains Bladders market 2-oz syringe works costs $139 Now using syringe fill bladder fuel Aiming carefully avoid wasting fuel shooting self face chest fuel full bladder Sooner later youll get hit fuel bladder might well once purpose will know what look forward next time Wipe yourself off shirt give nice touch nitro stain Now cut bleeding covered fuel biting plug go fly Assuming plane straight no warps shouldnt give trouble first flight sure dont have too much control first time up Most planes have less 1/2 total travel elevator measured TE Getting good setting engine will probably problem first few flights especially didnt get Kirn-Kraft needle valve suggested engine running lean out slowly until peaks out richen up slowly until just slightly cracks rich As soon plane launched engine should lean out right lean out richen up next flight engine requires slightly different setting experiment until can get right time No matter what setting engine requires before launching dont worry about Just concentrate getting engine run WFO level flight maneuvers Dont afraid try different props engine bogs down turns gen erally use Top Flite 5 1/4 X 3 nylon prop engine might pull 5 1/4 X 4 could try Grish Tornado 5 1/2 X 3 can afford use wood props Top Flite 5 1/4 X 3 Power Prop great honkin engine might go through whole box day fly much Northwest streamers use regular crepe paper material used Fast Combat streamers make 1/2 wide use carpet thread leader Most string little too tough 049 engine cut hope will give 049 Combat try whether pro Combat flyer Sport flier looking inexpensive way break Combat NW fly lots Combat 049 Combat has really caught fast like must good Try GollyGeeWhiz Youll sec what am talk ing about last thing Anybody inter est Combat should belong Miniature Aircraft Combat Association past year MACA has become super organization Tom Southern Bill Allen newsletter MACA always very good Within MACA Com bat Advisory Committee has formed advise Control Line Contest Board proposed rules affect Combat mation CAC printing newsletter just two visible things accomplished MACA mainly through efforts Tom Bill would like part MACA send check money order $500 Tom Southern 2207 Paul Longview Texas 75601 clip coupon magazine Nats/FF/Mathis continued page 23 3-minute max too fragile hard build etc detected whir mental gears meshing once reasons spoken Maybe next year someone will turn up monsters complete good old strapon winder Another 630 am saw FAI power event start unfolding tune tick ing Seeligs flipping auto surfaces squalling Rossis am convinced significant number FAI power fliers have excessively developed engine fetishes consists running ones Rossi taching until worn out ig noring trim model except climb pattern after quick D-T followed engine running etc point driven home upon observing late evening sixth-round drift non-existent body gliding down launch area dont know anyone else noticed two thirds airplanes far out glide trim fast tight side result missed maxes best FAI fliers US interest ing hear blame near-miss bad engine setting engine fetish again model practically dived runway glide appears gadgetry power have gotten out control Most FAI contestants airplane could handle best constantly wandering off trim has message fact until final round thunderstorm front caught disrupted plans Bill Hunter Hulan Matthies tied first place perfect scores flying stock Satellite 450s nothing automated Add last years near-sweep Midi Pearls plus Mark Valerius third place year Midi Pearl message clear Instead building FAI power ships will flown fly-off world cham pionships dont build simpler less exotic airplanes can win contests home might surprised Make no mistake about fine FAI power event excellent field felt seen higher overall calibre flying good old Class A-gas event Wallace Johnson Gerald Comp Senior survivors per fect scores Johnson handily winning fly-off weather dreaded officials hand-launched-glider event perfect slight drift gentle ther mals would usually spin gliders popular Junior events Nats appropriately son old Nationals friend Jack Nix won US Kid design old flying business P M & P partner Tommy T plug US Kid now manufactured 74 Model Aviation GollyGeeWhiz continued