Control Line Aerobatics WynnPaul FAI NOTES outstanding suc cess precision aerobatics team England last summer up stunt fliers around United States get charged up another tryouts next sum mer Most likely present World Cham pion Bob Hunt will go over defend title allows three others compete team representatives means probability will pick three fliers next Labor Day tryouts Sites al ready mentioned tryouts Cin cinnati Dayton Ohio Cincinnati has large number ready workers two excellent circles Lunkin airport Also just across street Airport man agement has agreed furnish approx imately eight circles practice week long circles runway ramp little used during week Sat urday extra circles will cut two three have letter airport man ager stating circles will avail able FAL tryouts Labor day weekend Dayton has finest layouts contest nation Three excellent cir cles although has speed fence around motel just 100 yards away Unfortunately help run contest minimum least has case past couple years local contest Perhaps im portance FAI event again trials have successfully run several times some workers will come out hid ing Jim Fasimpaur served assistant ED 76 Nats judged 75 Continued page 102 Bob Whitely Half-A ahip used win Cox Half-A Champion beautiful Stiletto Vince Schnetzer I-beam 60-in wing ship 1978 Nationals Power Cox 051 wing foam weighs 50-1/2 oz Supertigre 46 stabilizer spans 32 February 1979 41 Can anyone idantifv one7 Ha nuld have first Senior Stunt maybe 1952 Nats NSW Australia comes picture ot Play ogles nya QD-powerea 1arsaur stunt ship ANNOUNCING Fast Steep Climb FLat Slow Glide 4 new P 30 class model designed novice mind has potential win toughest THE POTENT30 Deluxe kit teatures include Rolled balsa tusela o e wing mount dt Completed prop ancf nose plug tail plug & rudder Precut wing ribs spar notches job rated balsa strips Highest quality tissue abed contest rubber Detailed instructions flying tips help win CAT NO R2 $6g5 PP check mosey order CHAS WERLE 3620 MORSE AVE N08 SACTO CALIF g5821 P 0 Box 2490-MA LA MESA AUF 92041 GET ORGANIZED Hates set vi 4 stuidy tiles haMs aver 4 yeats vi yavi tavarite 9ii wagautnes 4 MAG FILES $495 Send $490 pius 5100 lv pasiage handling iv DON INDUSTRIES PO BOX 388-k DOVER NH 03820 CL Aerobatics/Paul continued page 41 FAI tryouts knows what needed good Contestbut needs some help Any other site representatives wish Considered FAI stunt tryouts should Contact PAMPA president Keith Trostle 10900 Phillips Drive Upper Marlboro MD 20870 Maybe FAI speed people should drop stunt try outs learn make official flight Aero-Challenge Post Mortem Bill Allen DeKaIb Illinois knocks himself out year set up two-day extrava ganza lots control-line events great awards past contest 137 contestants generated $129775 Jerry Lewis Labor Day Telethon Stunt instance 33 entrants four classes included some top National qualifiers Unfortunately everyone shares enthusiasm toy airplanes asso ciated activities Bill sadly received dis couraging letter Wurlitzer Company site 1978 Contest Ac cording facilities manager concerned over protecting investment landscaping underground sprinkler system also felt children present under proper control Some fool actually playing fountain Therefore regret Wurlitzer cannot offer facilities future model meets signed R G Myrland Fa cilities Manager narrow-minded such wholesome activity people involved plus spectators added donation raised Telethon Wurlitzers margn profit slim cant support civic activities such Lets hope Bill Allen can find another site Aero-Challenge Swept-forward trailing edge idea has used Bill Werwage several planes recently also has tried Al Rabe Bob Gialdini Don Shultz Bob Hunt said recently too go ing cut foam wing try idea next year claim method wtth swept-forward trailing edge plane will yaw According ex perts air spilling off conventional T F flap deflected helps create yaw Hunt cites example grasping 12-inch ruler middle drawing through pan water ruler will yaw back forth However piece wood cut glued Center represent swept forward trailing edge does ex hibit same tendencies obvious sweptforward trailing edge deflected flap does meet air flow flat across entire surface rather air chan nelled spilled off ends Werwage trailing edge sweep some 225 inches Bob trying two configurations 15 2 inches Forties coming strong switch 40-size engine becoming roar rather trickle HP-40 Max 40 FSR getting majority stunters Talking Bill Werwage recently said has experimenting HP both Max 40 45 well ST 46 during 1978 new plane will built accommodate four en gines accomplished Well Bills resident machinist has carved out some odd-sized front covers crank shaft extensions end up same place spinner Recently Bill really tried novelty put front half case crankshaft HP 40 onto Max 40 FSR result very nice 8 oz engine however didnt run too well Bill attributes loss per formance tp smaller porting HP crankshaft feels almost double port Max crank gets fuel/air mtxture chamber turn gives power Bill stated really likes guts Max 45 has just too rough suit him stunt likes combustion chamber design 45 still engine has rough spots dont please him have running HP 40 success seem have adjust timing sleeve seems about 015 drop liner will make HP run better stunt Popular venturis HP 290 296 range writer has some limited expe riencewith Max 40 FSR does ap pear very good engine Tank height problem Werwage suggests tank Vt off beams better run experienced wind-up consecutive maneuvers have yet able try adjusting tank height thing certain Max can flown right out box looks like good engine certainly can about same average better average 5T46 reworking can use 015-size lines advantage information stunt PAMPA write Wynn Paul 1640 Maywick Drive Lexington KY 40504 Zilch/Mathews continued page 45 used effectively rib backed up scrap X 2 pine prevent breaking rib Check absolute free movement leadouts pushrod cut trim until satisfied Epoxy V8tt brass tubes side tip lead weights outside tip After epoxy cures remove wing jig Plank center section install cap strips using CA wherever possible Complete wing adding needed wing-tip con tour fillers sanding point ready-for-covering cover until wing installed fuselage Tail Feathers Cut 3/l6ir balsa correct length epoxy spruce spars stab elevator Trace outlines onto blanks using carbon paper under plans cut Sand airfoil section add offset rudder Leave center leading edge stab flat joint fuselage keel Fuselage Trace bulkhead patterns onto plywood using carbon paper under plans Note difference motor bearer notches varying powerplants Use carbon paper technique develop two identical fuselage sides 1/ott sheet choose closely matched pieces wood Develop 1/16 ply doublers using balsa sides pattern Join balsa sides contact cement 5-minute epoxy Mark mid-line position bulkheads onto straight grained flat piece 3/16 balsa Attach bulkheads 2 & 3 top using 5-minute epoxy Check parallelism 90-degree triangle Epoxy stab rear top checking mid lines parallel Epoxy maple motor bearers fuse lage bulkheads Hold alignment 102 Model Aviation yo Model IKIT $395Complete 79 Catalog $100 16 WINGSPAN OUiDE OF RUBBER MODEL SUPPLItS GEE BEE R-1 DECALS 2 1 scale S LETTERING EXCEPT THOSE OF-Ilk THE WINGS GRANGERPOST WILLIAMSPAID 181 PAWNEE ST SAN MARCOS Ca 92069
Edition: Model Aviation - 1979/02
Page Numbers: 41, 102
Control Line Aerobatics WynnPaul FAI NOTES outstanding suc cess precision aerobatics team England last summer up stunt fliers around United States get charged up another tryouts next sum mer Most likely present World Cham pion Bob Hunt will go over defend title allows three others compete team representatives means probability will pick three fliers next Labor Day tryouts Sites al ready mentioned tryouts Cin cinnati Dayton Ohio Cincinnati has large number ready workers two excellent circles Lunkin airport Also just across street Airport man agement has agreed furnish approx imately eight circles practice week long circles runway ramp little used during week Sat urday extra circles will cut two three have letter airport man ager stating circles will avail able FAL tryouts Labor day weekend Dayton has finest layouts contest nation Three excellent cir cles although has speed fence around motel just 100 yards away Unfortunately help run contest minimum least has case past couple years local contest Perhaps im portance FAI event again trials have successfully run several times some workers will come out hid ing Jim Fasimpaur served assistant ED 76 Nats judged 75 Continued page 102 Bob Whitely Half-A ahip used win Cox Half-A Champion beautiful Stiletto Vince Schnetzer I-beam 60-in wing ship 1978 Nationals Power Cox 051 wing foam weighs 50-1/2 oz Supertigre 46 stabilizer spans 32 February 1979 41 Can anyone idantifv one7 Ha nuld have first Senior Stunt maybe 1952 Nats NSW Australia comes picture ot Play ogles nya QD-powerea 1arsaur stunt ship ANNOUNCING Fast Steep Climb FLat Slow Glide 4 new P 30 class model designed novice mind has potential win toughest THE POTENT30 Deluxe kit teatures include Rolled balsa tusela o e wing mount dt Completed prop ancf nose plug tail plug & rudder Precut wing ribs spar notches job rated balsa strips Highest quality tissue abed contest rubber Detailed instructions flying tips help win CAT NO R2 $6g5 PP check mosey order CHAS WERLE 3620 MORSE AVE N08 SACTO CALIF g5821 P 0 Box 2490-MA LA MESA AUF 92041 GET ORGANIZED Hates set vi 4 stuidy tiles haMs aver 4 yeats vi yavi tavarite 9ii wagautnes 4 MAG FILES $495 Send $490 pius 5100 lv pasiage handling iv DON INDUSTRIES PO BOX 388-k DOVER NH 03820 CL Aerobatics/Paul continued page 41 FAI tryouts knows what needed good Contestbut needs some help Any other site representatives wish Considered FAI stunt tryouts should Contact PAMPA president Keith Trostle 10900 Phillips Drive Upper Marlboro MD 20870 Maybe FAI speed people should drop stunt try outs learn make official flight Aero-Challenge Post Mortem Bill Allen DeKaIb Illinois knocks himself out year set up two-day extrava ganza lots control-line events great awards past contest 137 contestants generated $129775 Jerry Lewis Labor Day Telethon Stunt instance 33 entrants four classes included some top National qualifiers Unfortunately everyone shares enthusiasm toy airplanes asso ciated activities Bill sadly received dis couraging letter Wurlitzer Company site 1978 Contest Ac cording facilities manager concerned over protecting investment landscaping underground sprinkler system also felt children present under proper control Some fool actually playing fountain Therefore regret Wurlitzer cannot offer facilities future model meets signed R G Myrland Fa cilities Manager narrow-minded such wholesome activity people involved plus spectators added donation raised Telethon Wurlitzers margn profit slim cant support civic activities such Lets hope Bill Allen can find another site Aero-Challenge Swept-forward trailing edge idea has used Bill Werwage several planes recently also has tried Al Rabe Bob Gialdini Don Shultz Bob Hunt said recently too go ing cut foam wing try idea next year claim method wtth swept-forward trailing edge plane will yaw According ex perts air spilling off conventional T F flap deflected helps create yaw Hunt cites example grasping 12-inch ruler middle drawing through pan water ruler will yaw back forth However piece wood cut glued Center represent swept forward trailing edge does ex hibit same tendencies obvious sweptforward trailing edge deflected flap does meet air flow flat across entire surface rather air chan nelled spilled off ends Werwage trailing edge sweep some 225 inches Bob trying two configurations 15 2 inches Forties coming strong switch 40-size engine becoming roar rather trickle HP-40 Max 40 FSR getting majority stunters Talking Bill Werwage recently said has experimenting HP both Max 40 45 well ST 46 during 1978 new plane will built accommodate four en gines accomplished Well Bills resident machinist has carved out some odd-sized front covers crank shaft extensions end up same place spinner Recently Bill really tried novelty put front half case crankshaft HP 40 onto Max 40 FSR result very nice 8 oz engine however didnt run too well Bill attributes loss per formance tp smaller porting HP crankshaft feels almost double port Max crank gets fuel/air mtxture chamber turn gives power Bill stated really likes guts Max 45 has just too rough suit him stunt likes combustion chamber design 45 still engine has rough spots dont please him have running HP 40 success seem have adjust timing sleeve seems about 015 drop liner will make HP run better stunt Popular venturis HP 290 296 range writer has some limited expe riencewith Max 40 FSR does ap pear very good engine Tank height problem Werwage suggests tank Vt off beams better run experienced wind-up consecutive maneuvers have yet able try adjusting tank height thing certain Max can flown right out box looks like good engine certainly can about same average better average 5T46 reworking can use 015-size lines advantage information stunt PAMPA write Wynn Paul 1640 Maywick Drive Lexington KY 40504 Zilch/Mathews continued page 45 used effectively rib backed up scrap X 2 pine prevent breaking rib Check absolute free movement leadouts pushrod cut trim until satisfied Epoxy V8tt brass tubes side tip lead weights outside tip After epoxy cures remove wing jig Plank center section install cap strips using CA wherever possible Complete wing adding needed wing-tip con tour fillers sanding point ready-for-covering cover until wing installed fuselage Tail Feathers Cut 3/l6ir balsa correct length epoxy spruce spars stab elevator Trace outlines onto blanks using carbon paper under plans cut Sand airfoil section add offset rudder Leave center leading edge stab flat joint fuselage keel Fuselage Trace bulkhead patterns onto plywood using carbon paper under plans Note difference motor bearer notches varying powerplants Use carbon paper technique develop two identical fuselage sides 1/ott sheet choose closely matched pieces wood Develop 1/16 ply doublers using balsa sides pattern Join balsa sides contact cement 5-minute epoxy Mark mid-line position bulkheads onto straight grained flat piece 3/16 balsa Attach bulkheads 2 & 3 top using 5-minute epoxy Check parallelism 90-degree triangle Epoxy stab rear top checking mid lines parallel Epoxy maple motor bearers fuse lage bulkheads Hold alignment 102 Model Aviation yo Model IKIT $395Complete 79 Catalog $100 16 WINGSPAN OUiDE OF RUBBER MODEL SUPPLItS GEE BEE R-1 DECALS 2 1 scale S LETTERING EXCEPT THOSE OF-Ilk THE WINGS GRANGERPOST WILLIAMSPAID 181 PAWNEE ST SAN MARCOS Ca 92069