I Aerobatics El Wynn Paul HALF-A building Notes After watching Half-A stunters Nationals three years decided build fun winter started off ordering foam wing Control Specialties Com pany Received wing best des cription non-technical cute Bob Hunt sent equal panel wing meas ures 15 inches panel tips Ill probably build about one-half inch difference using different size tips simply because like unequal panels sheeted foam flaps measures 12 inches span root chord 1 tip chord 1 whole wing balsa sheeting controls weighed terrifying 25 oz wing joined together 15minute epoxy glue using bottom parts wing packing core jig As Bob recommends Half-As used fiberglass cloth light epoxy wrap wing after joining halves two bellcrank 018 leadouts used wrapped leadouts exactly AMA rulebook soldered wrap bellcrank end bellcrank bored out accept long 6-32 screw pro truded through sheeting wing One-sixteenth wire used con trol rod 35 flap horn used trailing edge wing Contrary Bobs Tom Dixons advice bushed flap elevator horns 3/32-in OD brass tubing although didnt make bushing long usually big stunters 1/16-in pushrod pushrod guide used rear did bore out elevator bushing no 49 drill bit doesnt leave much bearing meat should enough Half-A plenty s1op elevator now Fortunately 2-in elevator horn tail difficult come least around Bob 0 PLYWOOD II 2-56 8MN 2 FIG 1 HalfA Gear Blacks Hunt CSC told plans come out some Half-A accessories such flap elevator horns leadout guides possibly some gear blocks wing already cut landing gear blocks Bob installed Lite ply formers hold gear blocks last big stunter removable gear made painting much easier well allowing bend gear couple otimes fear breaking loose inside wing decided see differ ence making permanent gear re movable ones Half-A came out total 30 grams using two 2-56 oblind mounting nuts 2-56 screws for gear block added scant 15 grams side gear remov able See diagram details fuselage construction follows Pampawagons same type fa miliar doublers 1/64 in case engine bearers X y Han cock 541 Columbia Blvd Lexington KY 40508 made super tanks 15/16 X 1 X 2 installed same type tank compartment big stunters Fuselage sides 3/32 bottom block block /8 pretty much summed up fuse lage Oh yes stabilizer A-in stock 14-in span 2-in root chord 15-in tip chord same elevators 2 F 4-IMarch1978 35 Rich Porters Nats second-place Half-A VooDoo-44 429-in wing 14 oz. Cox TO 049 Continued page 94 Stock Slim Line muffler lower leftl altered version Los McDonald Shorter version has simply cut off exhaust holes enlarged ST 46 engine shown Photograph Wynn Paul Mike Mustain used landing gear kit Stiletto Wynn Paul Plc A Buck Half s need send big EAA info pack shown above Tells about EAA benefits EAA membership will mean Send buck half today Includes recent issue SPORT AVIATION Airplanes thing Want find out what real world sport aviation about youll want information EAA homebuilts antiques classics warbirds gliders rotary wing aerobatics other type sport aircraft turn Find out what takes build aircraftor design can join EAA chapter near benefit experience skills other builders EAA membership $2000 per year includes monthly SPORT AVIATION Junior membership 18 younger $1000 Information pack $150 78 WC England feel has lot potential contest will great representative United States Another unheralded CL scaler knows what takes win Dick Ruckel Mentor OH near Cleveland Dick spectator 76 Nats Dayton Watching big boys having same troubles modeler has convinced him could well following winter Dick studied Sport Scale rules decided well done simple model flyability would have better-than-average chance against incomplete complex model seemed go against some local notions decision based some simple facts Sport Scale 100 flight points possible no matter what subject model model capable performing full slate options will competitive could have advantage dependability comes simplicity Dick settled model famous Hazel Sig Clip ped Wing Cub try out theory Built Sig kit Cub 2 1 scale 56 wingspan points out no downgrade rules kits inaccuracies weighs 4 lbs 2 oz ready-to-fly Fox Falcon 60 12-6 prop little overkill power-to-weight ratio isnt Dick Cub finished white Permagloss Coverite re-shaded Aero Gloss blue dope actuates throttle engine cutoff i-Roberts handle bellcrank ailerons adjustable flight trim window door Cubs right side open scale fashion Dick spent about eight months 32 years 16 years hobby building finishing Cub satisfaction full flight plan Dick planned Clip Wing goes like 1 Take-off 0 10 points 2 10 Laps Oto 10 points 3 Touch & Go counts 2 options 0 20 points 4 Taxi counts 2 options 0 20 points 5 Wingover 0 10 points 6 Throttle Control FAI rules 0 10 points 7 Landing 10 points 8 Realism Flight 0 10 points 100 points max Using flight plan Cub impressive 77 Sport Scale record going undefeated Among wins note first Open Sport Scale prestigious 42nd Annual Cleveland Junior Air Races against tough competition included two 76 Nats trophy winners Dicks success non-mechanical optioned subject shouldnt seem unusual just consistent careful study rules cant completely agree him simple light planes have advantage certainly compet itive also raises question mind Could banner coverage magazines Nats WC class scale contests have projected mistaken intimidating picture CL Scale competition dont need re tracts flaps bombs cockpit detail six-function digital control system competitive Sport Scale already building scale enjoying company other scalers going few contests dont hesitate try just because unsure model potential will surprised well can study rule book know what expected contest Build right light practice fly scale subject can win Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 35 Now lets hear Half-A champions Rich Porter Florida College Temple Terrace FL 33617 has just experimenting Half-A competing several years varia tions Voo Doo combat ship con verted stunt flying quote 94 Model Aviation I EAA ATIGN Experimental Aircraft Association Inc ~~ /SPGRT_____ PO Box 229II Hales Corners Wis 53130 Milwaukee Suburb \HASW/ Phone 414-425-4860 unreserved Rich main moti vations attempting fly simplified Voo Doo stunters competition has combat unwholesome mystique has kept potential fliers enjoying thrills excitement con trol line flying Certainly watching couple Richs flights exciting states 200 sq just about optimum size top efficiency halfA way low drag short nose moment and/or light wing loading 25 sq per oz better relatively high speed 50-60 mph may account fact extreme engine offset does appear causing perceptible wobbling bobbling tight honest 5-ft corners opposed 20-ft radius corners Bill Netzeband has shown contest winners doing convinc ingly demohstrated stunt fraternity tried introduce precision aero batics control line stunt Remember Humbug Rich goes Engine offset 18 de grees has become pretty much standard wingie thingies Less 15 de grees tends allow line slacking over 20 degrees seems cause undesirable out turning requiring less line rake use small hooked wire pull nylon string leadouts through desired line rake boles Line rake angle doesnt seem critical lightly loaded machines flies standard size Voo Doo equipped tricycle landing gear hopped up 049 also has 44 ship larger size Half-A stunter patterned after Voo Doo 429 sq wing 429 span weighing 13 oz tricycle gear factory re commended hopped up Tee Dee 049 flying 55-ft lines using 2-ounce penbladder tank swinging Cox 6 X 3 com petition gray prop Five-second laps 44 52-ft lines 008 lines gave him very good line tension ability get through pattern 55 mm just over 15 oz Missile Mist Rich says Both stand ard Voo Doo 44 can get 3-ft radius loops ease 44 its large vertical fins large swept-back wing tips almost 100% increase tail moment 429 vs 25 Voo Doo over Voo Doo appears have percepti ble advantage grooviness over Voo Doo especially turbulent air Rich also has something say lines fuel Missile Mist has about 3-mph advantage over Cox blue label fuel get consistent runs Fox Missile Mist well Cox fuel Under ideal conditions 60-ft lines have proved superior far plan drop down 50 feet 012 lines use higher nitro fuel really windy weather regarding engines have finally concluded lots engine offset side-winder Tee Dee runs significantly cooler cylinder slung rather out have known since 1965 PeckPelymersPO BOX 2498-AMLA MESA CALIF 92041 PHONE 7141 4698675 714 442-4636 March 1978 95 Fi PEANUT PEOPLE QUALITY KIT DESIGNED ESPECIALLY FOR THE NEW MINIATURE RADIOS L BUT EASY TO FLY SPECIFICATIONS WINGSPAN 25 INCHES POWER 020 GAS ENGINE RADIO MINIATURE 2-3 CHANNEL FLYING WT 8 TO 10 OZ KIT INCLUDES DIE-CUT EALSA AND PLYWOOD FORMED LANDING GEAR & CANOPY HARDWARE FOR CONTROLS KIT $1495 ASK AT YOUR LOCAL DEALER IF NOT AVAILABLE ORDER DIRECT ADD 75g PEANUT SCALE KITS AND HARD TO FIND ITEMSBROWN CO-2 ENGINES COMPLETE CATALOG 50 DIISIZE SR FALCON Wff ERTY BELL MODEL WWI MODEL ACCESSORIES FINE QUALITY ENGINE KITS & CYLINDERS MACHINE GUN KITS LS TS INGS SEND 5O FOR COMPLETE CATALOG DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 9 inside hung cylinder helps needle tank recently have considered cooling factor significant finally very calm situations 44 can slow down 5-sec lap 52- 60-ft lines Tee Dee doing rich lazy 20 grand less Control line tension very positive smoothness maneuverability peak un der such conditions wind picks up considerably TD gets up around 21 grand better maneuvers fast care fly rotation speed ap proaches 4-second lap 52-footers Takeoff landings can suffer also wind gets nasty though tricycle gear big help competitions planes Rich uses large diameter 1 thin two-ply cross-grain 1 / 16-in balsa wheels small plastic fuel line tires Rich flies clockwise makes flights exciting unfamiliar direction keeps breathless waiting next low pullout Should want contact Rich information about HalfA stunters write him Temple Terrace address PAMPA Elections 1978 Keith Trostle again will lead stunt fliers President PAMPA approximately 450 members press time evidence participation paper work projects necessary functioning organization Vice president elect Frank McMillan won out close battle Bob Half-A stunt Champion Whitely Secretary-Treasurer Wynn Paul again directors Dave Hemstrought Bob Gieseke Arlie Preszler Jon Ramsden PO Box 2347 Peach tree City GA 30269 has appointed Keith Chairman Judges Standards Committee process map ping out list projects PAMPA con cerning judging judging procedures contest manual Anyone wishing assist Jon needed project should write directly him already has around dozen volunteers could use help can get information Stunt PAMPA Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Combat/Johnson continued page 36 15 combat purposes anyway have making progress despite setbacks thanks British giving lat est designs British lads roll ing floor laughter Russians fell particular design theyd given up stopped laugh ing European Championships discovered Russians sorted out bugs wasnt bad performer Maybe Americans should ship over couple cases infamous Big Otto design Americans least experienced world class flying although certainly lacking AMA type since team consists very best country Gary Frost/Chuck Rudner/George Cleve land really would like help team might bring along some models few yourself few lend team members practice will lots time before dur ing contest get plenty practice sparring partner idea opportunity fly against some top notch competitors team members get some valuable experience against wide variety opponents some thing should doing right now USA Its up locals help get Frost Rudner Cleveland shape big picture engine area Mike Hoffelts FAI design Nats article wanted better view Ive included shot Dave Clarkson Aeromodeller fame Mike during Daves recent visit Some trick items include cable pushrod single leadout guide exhaust exit through wing fiber glass molding inboard fuel compartment pressure regulations capabilities Rossi 15 makes lots power 40% nitro 15% Blendzall fuel turns much mod ified Zinger 7-5 about 24000 rpm prop reworked put pitch hub Sure has its disadvantages like fairly small fuel capacity sensitiv ity small warp being fragile 12-ounce plane can stand up flying stresses ground impact As Richard Wilkens would say build light may hit ground saw planes action Nats will probably agree theyre real mind-blowers compared current FAI design Has anyone noticed have quite few changes Combat rules None will have big impact no gear Slow engine farther forward line entanglement rule has deleted means youre ahead youll have bellcrank guy rather fly 1oop around lines punch As pointed out MACA N/L no kill rule Slow Combat will mean about same thing take whole streamer right off safest thing terms winning match would center punch guy voted away kill mem ber CAC thought would make interesting matches again thought flying fun have couple suggestions Since combat simulates real combat obvious mid-air kills both pilots could move people would have pushin up daisies special bracket people cant win hitting plane second way might fly certain number rounds rather pyramid affair total cuts air points three four rounds determining winner took lot right off could still get air points staying air would advantage about streamer making machine Current practice rainy weather run -in masking tape down length streamer too hard job although rol ling up again sure tape keeps streamer shredding wet weather allows prop cut off piece pulling entire streamer 96 Model Aviation
Edition: Model Aviation - 1978/03
Page Numbers: 35, 94, 95, 96
I Aerobatics El Wynn Paul HALF-A building Notes After watching Half-A stunters Nationals three years decided build fun winter started off ordering foam wing Control Specialties Com pany Received wing best des cription non-technical cute Bob Hunt sent equal panel wing meas ures 15 inches panel tips Ill probably build about one-half inch difference using different size tips simply because like unequal panels sheeted foam flaps measures 12 inches span root chord 1 tip chord 1 whole wing balsa sheeting controls weighed terrifying 25 oz wing joined together 15minute epoxy glue using bottom parts wing packing core jig As Bob recommends Half-As used fiberglass cloth light epoxy wrap wing after joining halves two bellcrank 018 leadouts used wrapped leadouts exactly AMA rulebook soldered wrap bellcrank end bellcrank bored out accept long 6-32 screw pro truded through sheeting wing One-sixteenth wire used con trol rod 35 flap horn used trailing edge wing Contrary Bobs Tom Dixons advice bushed flap elevator horns 3/32-in OD brass tubing although didnt make bushing long usually big stunters 1/16-in pushrod pushrod guide used rear did bore out elevator bushing no 49 drill bit doesnt leave much bearing meat should enough Half-A plenty s1op elevator now Fortunately 2-in elevator horn tail difficult come least around Bob 0 PLYWOOD II 2-56 8MN 2 FIG 1 HalfA Gear Blacks Hunt CSC told plans come out some Half-A accessories such flap elevator horns leadout guides possibly some gear blocks wing already cut landing gear blocks Bob installed Lite ply formers hold gear blocks last big stunter removable gear made painting much easier well allowing bend gear couple otimes fear breaking loose inside wing decided see differ ence making permanent gear re movable ones Half-A came out total 30 grams using two 2-56 oblind mounting nuts 2-56 screws for gear block added scant 15 grams side gear remov able See diagram details fuselage construction follows Pampawagons same type fa miliar doublers 1/64 in case engine bearers X y Han cock 541 Columbia Blvd Lexington KY 40508 made super tanks 15/16 X 1 X 2 installed same type tank compartment big stunters Fuselage sides 3/32 bottom block block /8 pretty much summed up fuse lage Oh yes stabilizer A-in stock 14-in span 2-in root chord 15-in tip chord same elevators 2 F 4-IMarch1978 35 Rich Porters Nats second-place Half-A VooDoo-44 429-in wing 14 oz. Cox TO 049 Continued page 94 Stock Slim Line muffler lower leftl altered version Los McDonald Shorter version has simply cut off exhaust holes enlarged ST 46 engine shown Photograph Wynn Paul Mike Mustain used landing gear kit Stiletto Wynn Paul Plc A Buck Half s need send big EAA info pack shown above Tells about EAA benefits EAA membership will mean Send buck half today Includes recent issue SPORT AVIATION Airplanes thing Want find out what real world sport aviation about youll want information EAA homebuilts antiques classics warbirds gliders rotary wing aerobatics other type sport aircraft turn Find out what takes build aircraftor design can join EAA chapter near benefit experience skills other builders EAA membership $2000 per year includes monthly SPORT AVIATION Junior membership 18 younger $1000 Information pack $150 78 WC England feel has lot potential contest will great representative United States Another unheralded CL scaler knows what takes win Dick Ruckel Mentor OH near Cleveland Dick spectator 76 Nats Dayton Watching big boys having same troubles modeler has convinced him could well following winter Dick studied Sport Scale rules decided well done simple model flyability would have better-than-average chance against incomplete complex model seemed go against some local notions decision based some simple facts Sport Scale 100 flight points possible no matter what subject model model capable performing full slate options will competitive could have advantage dependability comes simplicity Dick settled model famous Hazel Sig Clip ped Wing Cub try out theory Built Sig kit Cub 2 1 scale 56 wingspan points out no downgrade rules kits inaccuracies weighs 4 lbs 2 oz ready-to-fly Fox Falcon 60 12-6 prop little overkill power-to-weight ratio isnt Dick Cub finished white Permagloss Coverite re-shaded Aero Gloss blue dope actuates throttle engine cutoff i-Roberts handle bellcrank ailerons adjustable flight trim window door Cubs right side open scale fashion Dick spent about eight months 32 years 16 years hobby building finishing Cub satisfaction full flight plan Dick planned Clip Wing goes like 1 Take-off 0 10 points 2 10 Laps Oto 10 points 3 Touch & Go counts 2 options 0 20 points 4 Taxi counts 2 options 0 20 points 5 Wingover 0 10 points 6 Throttle Control FAI rules 0 10 points 7 Landing 10 points 8 Realism Flight 0 10 points 100 points max Using flight plan Cub impressive 77 Sport Scale record going undefeated Among wins note first Open Sport Scale prestigious 42nd Annual Cleveland Junior Air Races against tough competition included two 76 Nats trophy winners Dicks success non-mechanical optioned subject shouldnt seem unusual just consistent careful study rules cant completely agree him simple light planes have advantage certainly compet itive also raises question mind Could banner coverage magazines Nats WC class scale contests have projected mistaken intimidating picture CL Scale competition dont need re tracts flaps bombs cockpit detail six-function digital control system competitive Sport Scale already building scale enjoying company other scalers going few contests dont hesitate try just because unsure model potential will surprised well can study rule book know what expected contest Build right light practice fly scale subject can win Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 35 Now lets hear Half-A champions Rich Porter Florida College Temple Terrace FL 33617 has just experimenting Half-A competing several years varia tions Voo Doo combat ship con verted stunt flying quote 94 Model Aviation I EAA ATIGN Experimental Aircraft Association Inc ~~ /SPGRT_____ PO Box 229II Hales Corners Wis 53130 Milwaukee Suburb \HASW/ Phone 414-425-4860 unreserved Rich main moti vations attempting fly simplified Voo Doo stunters competition has combat unwholesome mystique has kept potential fliers enjoying thrills excitement con trol line flying Certainly watching couple Richs flights exciting states 200 sq just about optimum size top efficiency halfA way low drag short nose moment and/or light wing loading 25 sq per oz better relatively high speed 50-60 mph may account fact extreme engine offset does appear causing perceptible wobbling bobbling tight honest 5-ft corners opposed 20-ft radius corners Bill Netzeband has shown contest winners doing convinc ingly demohstrated stunt fraternity tried introduce precision aero batics control line stunt Remember Humbug Rich goes Engine offset 18 de grees has become pretty much standard wingie thingies Less 15 de grees tends allow line slacking over 20 degrees seems cause undesirable out turning requiring less line rake use small hooked wire pull nylon string leadouts through desired line rake boles Line rake angle doesnt seem critical lightly loaded machines flies standard size Voo Doo equipped tricycle landing gear hopped up 049 also has 44 ship larger size Half-A stunter patterned after Voo Doo 429 sq wing 429 span weighing 13 oz tricycle gear factory re commended hopped up Tee Dee 049 flying 55-ft lines using 2-ounce penbladder tank swinging Cox 6 X 3 com petition gray prop Five-second laps 44 52-ft lines 008 lines gave him very good line tension ability get through pattern 55 mm just over 15 oz Missile Mist Rich says Both stand ard Voo Doo 44 can get 3-ft radius loops ease 44 its large vertical fins large swept-back wing tips almost 100% increase tail moment 429 vs 25 Voo Doo over Voo Doo appears have percepti ble advantage grooviness over Voo Doo especially turbulent air Rich also has something say lines fuel Missile Mist has about 3-mph advantage over Cox blue label fuel get consistent runs Fox Missile Mist well Cox fuel Under ideal conditions 60-ft lines have proved superior far plan drop down 50 feet 012 lines use higher nitro fuel really windy weather regarding engines have finally concluded lots engine offset side-winder Tee Dee runs significantly cooler cylinder slung rather out have known since 1965 PeckPelymersPO BOX 2498-AMLA MESA CALIF 92041 PHONE 7141 4698675 714 442-4636 March 1978 95 Fi PEANUT PEOPLE QUALITY KIT DESIGNED ESPECIALLY FOR THE NEW MINIATURE RADIOS L BUT EASY TO FLY SPECIFICATIONS WINGSPAN 25 INCHES POWER 020 GAS ENGINE RADIO MINIATURE 2-3 CHANNEL FLYING WT 8 TO 10 OZ KIT INCLUDES DIE-CUT EALSA AND PLYWOOD FORMED LANDING GEAR & CANOPY HARDWARE FOR CONTROLS KIT $1495 ASK AT YOUR LOCAL DEALER IF NOT AVAILABLE ORDER DIRECT ADD 75g PEANUT SCALE KITS AND HARD TO FIND ITEMSBROWN CO-2 ENGINES COMPLETE CATALOG 50 DIISIZE SR FALCON Wff ERTY BELL MODEL WWI MODEL ACCESSORIES FINE QUALITY ENGINE KITS & CYLINDERS MACHINE GUN KITS LS TS INGS SEND 5O FOR COMPLETE CATALOG DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 9 inside hung cylinder helps needle tank recently have considered cooling factor significant finally very calm situations 44 can slow down 5-sec lap 52- 60-ft lines Tee Dee doing rich lazy 20 grand less Control line tension very positive smoothness maneuverability peak un der such conditions wind picks up considerably TD gets up around 21 grand better maneuvers fast care fly rotation speed ap proaches 4-second lap 52-footers Takeoff landings can suffer also wind gets nasty though tricycle gear big help competitions planes Rich uses large diameter 1 thin two-ply cross-grain 1 / 16-in balsa wheels small plastic fuel line tires Rich flies clockwise makes flights exciting unfamiliar direction keeps breathless waiting next low pullout Should want contact Rich information about HalfA stunters write him Temple Terrace address PAMPA Elections 1978 Keith Trostle again will lead stunt fliers President PAMPA approximately 450 members press time evidence participation paper work projects necessary functioning organization Vice president elect Frank McMillan won out close battle Bob Half-A stunt Champion Whitely Secretary-Treasurer Wynn Paul again directors Dave Hemstrought Bob Gieseke Arlie Preszler Jon Ramsden PO Box 2347 Peach tree City GA 30269 has appointed Keith Chairman Judges Standards Committee process map ping out list projects PAMPA con cerning judging judging procedures contest manual Anyone wishing assist Jon needed project should write directly him already has around dozen volunteers could use help can get information Stunt PAMPA Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Combat/Johnson continued page 36 15 combat purposes anyway have making progress despite setbacks thanks British giving lat est designs British lads roll ing floor laughter Russians fell particular design theyd given up stopped laugh ing European Championships discovered Russians sorted out bugs wasnt bad performer Maybe Americans should ship over couple cases infamous Big Otto design Americans least experienced world class flying although certainly lacking AMA type since team consists very best country Gary Frost/Chuck Rudner/George Cleve land really would like help team might bring along some models few yourself few lend team members practice will lots time before dur ing contest get plenty practice sparring partner idea opportunity fly against some top notch competitors team members get some valuable experience against wide variety opponents some thing should doing right now USA Its up locals help get Frost Rudner Cleveland shape big picture engine area Mike Hoffelts FAI design Nats article wanted better view Ive included shot Dave Clarkson Aeromodeller fame Mike during Daves recent visit Some trick items include cable pushrod single leadout guide exhaust exit through wing fiber glass molding inboard fuel compartment pressure regulations capabilities Rossi 15 makes lots power 40% nitro 15% Blendzall fuel turns much mod ified Zinger 7-5 about 24000 rpm prop reworked put pitch hub Sure has its disadvantages like fairly small fuel capacity sensitiv ity small warp being fragile 12-ounce plane can stand up flying stresses ground impact As Richard Wilkens would say build light may hit ground saw planes action Nats will probably agree theyre real mind-blowers compared current FAI design Has anyone noticed have quite few changes Combat rules None will have big impact no gear Slow engine farther forward line entanglement rule has deleted means youre ahead youll have bellcrank guy rather fly 1oop around lines punch As pointed out MACA N/L no kill rule Slow Combat will mean about same thing take whole streamer right off safest thing terms winning match would center punch guy voted away kill mem ber CAC thought would make interesting matches again thought flying fun have couple suggestions Since combat simulates real combat obvious mid-air kills both pilots could move people would have pushin up daisies special bracket people cant win hitting plane second way might fly certain number rounds rather pyramid affair total cuts air points three four rounds determining winner took lot right off could still get air points staying air would advantage about streamer making machine Current practice rainy weather run -in masking tape down length streamer too hard job although rol ling up again sure tape keeps streamer shredding wet weather allows prop cut off piece pulling entire streamer 96 Model Aviation
Edition: Model Aviation - 1978/03
Page Numbers: 35, 94, 95, 96
I Aerobatics El Wynn Paul HALF-A building Notes After watching Half-A stunters Nationals three years decided build fun winter started off ordering foam wing Control Specialties Com pany Received wing best des cription non-technical cute Bob Hunt sent equal panel wing meas ures 15 inches panel tips Ill probably build about one-half inch difference using different size tips simply because like unequal panels sheeted foam flaps measures 12 inches span root chord 1 tip chord 1 whole wing balsa sheeting controls weighed terrifying 25 oz wing joined together 15minute epoxy glue using bottom parts wing packing core jig As Bob recommends Half-As used fiberglass cloth light epoxy wrap wing after joining halves two bellcrank 018 leadouts used wrapped leadouts exactly AMA rulebook soldered wrap bellcrank end bellcrank bored out accept long 6-32 screw pro truded through sheeting wing One-sixteenth wire used con trol rod 35 flap horn used trailing edge wing Contrary Bobs Tom Dixons advice bushed flap elevator horns 3/32-in OD brass tubing although didnt make bushing long usually big stunters 1/16-in pushrod pushrod guide used rear did bore out elevator bushing no 49 drill bit doesnt leave much bearing meat should enough Half-A plenty s1op elevator now Fortunately 2-in elevator horn tail difficult come least around Bob 0 PLYWOOD II 2-56 8MN 2 FIG 1 HalfA Gear Blacks Hunt CSC told plans come out some Half-A accessories such flap elevator horns leadout guides possibly some gear blocks wing already cut landing gear blocks Bob installed Lite ply formers hold gear blocks last big stunter removable gear made painting much easier well allowing bend gear couple otimes fear breaking loose inside wing decided see differ ence making permanent gear re movable ones Half-A came out total 30 grams using two 2-56 oblind mounting nuts 2-56 screws for gear block added scant 15 grams side gear remov able See diagram details fuselage construction follows Pampawagons same type fa miliar doublers 1/64 in case engine bearers X y Han cock 541 Columbia Blvd Lexington KY 40508 made super tanks 15/16 X 1 X 2 installed same type tank compartment big stunters Fuselage sides 3/32 bottom block block /8 pretty much summed up fuse lage Oh yes stabilizer A-in stock 14-in span 2-in root chord 15-in tip chord same elevators 2 F 4-IMarch1978 35 Rich Porters Nats second-place Half-A VooDoo-44 429-in wing 14 oz. Cox TO 049 Continued page 94 Stock Slim Line muffler lower leftl altered version Los McDonald Shorter version has simply cut off exhaust holes enlarged ST 46 engine shown Photograph Wynn Paul Mike Mustain used landing gear kit Stiletto Wynn Paul Plc A Buck Half s need send big EAA info pack shown above Tells about EAA benefits EAA membership will mean Send buck half today Includes recent issue SPORT AVIATION Airplanes thing Want find out what real world sport aviation about youll want information EAA homebuilts antiques classics warbirds gliders rotary wing aerobatics other type sport aircraft turn Find out what takes build aircraftor design can join EAA chapter near benefit experience skills other builders EAA membership $2000 per year includes monthly SPORT AVIATION Junior membership 18 younger $1000 Information pack $150 78 WC England feel has lot potential contest will great representative United States Another unheralded CL scaler knows what takes win Dick Ruckel Mentor OH near Cleveland Dick spectator 76 Nats Dayton Watching big boys having same troubles modeler has convinced him could well following winter Dick studied Sport Scale rules decided well done simple model flyability would have better-than-average chance against incomplete complex model seemed go against some local notions decision based some simple facts Sport Scale 100 flight points possible no matter what subject model model capable performing full slate options will competitive could have advantage dependability comes simplicity Dick settled model famous Hazel Sig Clip ped Wing Cub try out theory Built Sig kit Cub 2 1 scale 56 wingspan points out no downgrade rules kits inaccuracies weighs 4 lbs 2 oz ready-to-fly Fox Falcon 60 12-6 prop little overkill power-to-weight ratio isnt Dick Cub finished white Permagloss Coverite re-shaded Aero Gloss blue dope actuates throttle engine cutoff i-Roberts handle bellcrank ailerons adjustable flight trim window door Cubs right side open scale fashion Dick spent about eight months 32 years 16 years hobby building finishing Cub satisfaction full flight plan Dick planned Clip Wing goes like 1 Take-off 0 10 points 2 10 Laps Oto 10 points 3 Touch & Go counts 2 options 0 20 points 4 Taxi counts 2 options 0 20 points 5 Wingover 0 10 points 6 Throttle Control FAI rules 0 10 points 7 Landing 10 points 8 Realism Flight 0 10 points 100 points max Using flight plan Cub impressive 77 Sport Scale record going undefeated Among wins note first Open Sport Scale prestigious 42nd Annual Cleveland Junior Air Races against tough competition included two 76 Nats trophy winners Dicks success non-mechanical optioned subject shouldnt seem unusual just consistent careful study rules cant completely agree him simple light planes have advantage certainly compet itive also raises question mind Could banner coverage magazines Nats WC class scale contests have projected mistaken intimidating picture CL Scale competition dont need re tracts flaps bombs cockpit detail six-function digital control system competitive Sport Scale already building scale enjoying company other scalers going few contests dont hesitate try just because unsure model potential will surprised well can study rule book know what expected contest Build right light practice fly scale subject can win Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 35 Now lets hear Half-A champions Rich Porter Florida College Temple Terrace FL 33617 has just experimenting Half-A competing several years varia tions Voo Doo combat ship con verted stunt flying quote 94 Model Aviation I EAA ATIGN Experimental Aircraft Association Inc ~~ /SPGRT_____ PO Box 229II Hales Corners Wis 53130 Milwaukee Suburb \HASW/ Phone 414-425-4860 unreserved Rich main moti vations attempting fly simplified Voo Doo stunters competition has combat unwholesome mystique has kept potential fliers enjoying thrills excitement con trol line flying Certainly watching couple Richs flights exciting states 200 sq just about optimum size top efficiency halfA way low drag short nose moment and/or light wing loading 25 sq per oz better relatively high speed 50-60 mph may account fact extreme engine offset does appear causing perceptible wobbling bobbling tight honest 5-ft corners opposed 20-ft radius corners Bill Netzeband has shown contest winners doing convinc ingly demohstrated stunt fraternity tried introduce precision aero batics control line stunt Remember Humbug Rich goes Engine offset 18 de grees has become pretty much standard wingie thingies Less 15 de grees tends allow line slacking over 20 degrees seems cause undesirable out turning requiring less line rake use small hooked wire pull nylon string leadouts through desired line rake boles Line rake angle doesnt seem critical lightly loaded machines flies standard size Voo Doo equipped tricycle landing gear hopped up 049 also has 44 ship larger size Half-A stunter patterned after Voo Doo 429 sq wing 429 span weighing 13 oz tricycle gear factory re commended hopped up Tee Dee 049 flying 55-ft lines using 2-ounce penbladder tank swinging Cox 6 X 3 com petition gray prop Five-second laps 44 52-ft lines 008 lines gave him very good line tension ability get through pattern 55 mm just over 15 oz Missile Mist Rich says Both stand ard Voo Doo 44 can get 3-ft radius loops ease 44 its large vertical fins large swept-back wing tips almost 100% increase tail moment 429 vs 25 Voo Doo over Voo Doo appears have percepti ble advantage grooviness over Voo Doo especially turbulent air Rich also has something say lines fuel Missile Mist has about 3-mph advantage over Cox blue label fuel get consistent runs Fox Missile Mist well Cox fuel Under ideal conditions 60-ft lines have proved superior far plan drop down 50 feet 012 lines use higher nitro fuel really windy weather regarding engines have finally concluded lots engine offset side-winder Tee Dee runs significantly cooler cylinder slung rather out have known since 1965 PeckPelymersPO BOX 2498-AMLA MESA CALIF 92041 PHONE 7141 4698675 714 442-4636 March 1978 95 Fi PEANUT PEOPLE QUALITY KIT DESIGNED ESPECIALLY FOR THE NEW MINIATURE RADIOS L BUT EASY TO FLY SPECIFICATIONS WINGSPAN 25 INCHES POWER 020 GAS ENGINE RADIO MINIATURE 2-3 CHANNEL FLYING WT 8 TO 10 OZ KIT INCLUDES DIE-CUT EALSA AND PLYWOOD FORMED LANDING GEAR & CANOPY HARDWARE FOR CONTROLS KIT $1495 ASK AT YOUR LOCAL DEALER IF NOT AVAILABLE ORDER DIRECT ADD 75g PEANUT SCALE KITS AND HARD TO FIND ITEMSBROWN CO-2 ENGINES COMPLETE CATALOG 50 DIISIZE SR FALCON Wff ERTY BELL MODEL WWI MODEL ACCESSORIES FINE QUALITY ENGINE KITS & CYLINDERS MACHINE GUN KITS LS TS INGS SEND 5O FOR COMPLETE CATALOG DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 9 inside hung cylinder helps needle tank recently have considered cooling factor significant finally very calm situations 44 can slow down 5-sec lap 52- 60-ft lines Tee Dee doing rich lazy 20 grand less Control line tension very positive smoothness maneuverability peak un der such conditions wind picks up considerably TD gets up around 21 grand better maneuvers fast care fly rotation speed ap proaches 4-second lap 52-footers Takeoff landings can suffer also wind gets nasty though tricycle gear big help competitions planes Rich uses large diameter 1 thin two-ply cross-grain 1 / 16-in balsa wheels small plastic fuel line tires Rich flies clockwise makes flights exciting unfamiliar direction keeps breathless waiting next low pullout Should want contact Rich information about HalfA stunters write him Temple Terrace address PAMPA Elections 1978 Keith Trostle again will lead stunt fliers President PAMPA approximately 450 members press time evidence participation paper work projects necessary functioning organization Vice president elect Frank McMillan won out close battle Bob Half-A stunt Champion Whitely Secretary-Treasurer Wynn Paul again directors Dave Hemstrought Bob Gieseke Arlie Preszler Jon Ramsden PO Box 2347 Peach tree City GA 30269 has appointed Keith Chairman Judges Standards Committee process map ping out list projects PAMPA con cerning judging judging procedures contest manual Anyone wishing assist Jon needed project should write directly him already has around dozen volunteers could use help can get information Stunt PAMPA Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Combat/Johnson continued page 36 15 combat purposes anyway have making progress despite setbacks thanks British giving lat est designs British lads roll ing floor laughter Russians fell particular design theyd given up stopped laugh ing European Championships discovered Russians sorted out bugs wasnt bad performer Maybe Americans should ship over couple cases infamous Big Otto design Americans least experienced world class flying although certainly lacking AMA type since team consists very best country Gary Frost/Chuck Rudner/George Cleve land really would like help team might bring along some models few yourself few lend team members practice will lots time before dur ing contest get plenty practice sparring partner idea opportunity fly against some top notch competitors team members get some valuable experience against wide variety opponents some thing should doing right now USA Its up locals help get Frost Rudner Cleveland shape big picture engine area Mike Hoffelts FAI design Nats article wanted better view Ive included shot Dave Clarkson Aeromodeller fame Mike during Daves recent visit Some trick items include cable pushrod single leadout guide exhaust exit through wing fiber glass molding inboard fuel compartment pressure regulations capabilities Rossi 15 makes lots power 40% nitro 15% Blendzall fuel turns much mod ified Zinger 7-5 about 24000 rpm prop reworked put pitch hub Sure has its disadvantages like fairly small fuel capacity sensitiv ity small warp being fragile 12-ounce plane can stand up flying stresses ground impact As Richard Wilkens would say build light may hit ground saw planes action Nats will probably agree theyre real mind-blowers compared current FAI design Has anyone noticed have quite few changes Combat rules None will have big impact no gear Slow engine farther forward line entanglement rule has deleted means youre ahead youll have bellcrank guy rather fly 1oop around lines punch As pointed out MACA N/L no kill rule Slow Combat will mean about same thing take whole streamer right off safest thing terms winning match would center punch guy voted away kill mem ber CAC thought would make interesting matches again thought flying fun have couple suggestions Since combat simulates real combat obvious mid-air kills both pilots could move people would have pushin up daisies special bracket people cant win hitting plane second way might fly certain number rounds rather pyramid affair total cuts air points three four rounds determining winner took lot right off could still get air points staying air would advantage about streamer making machine Current practice rainy weather run -in masking tape down length streamer too hard job although rol ling up again sure tape keeps streamer shredding wet weather allows prop cut off piece pulling entire streamer 96 Model Aviation
Edition: Model Aviation - 1978/03
Page Numbers: 35, 94, 95, 96
I Aerobatics El Wynn Paul HALF-A building Notes After watching Half-A stunters Nationals three years decided build fun winter started off ordering foam wing Control Specialties Com pany Received wing best des cription non-technical cute Bob Hunt sent equal panel wing meas ures 15 inches panel tips Ill probably build about one-half inch difference using different size tips simply because like unequal panels sheeted foam flaps measures 12 inches span root chord 1 tip chord 1 whole wing balsa sheeting controls weighed terrifying 25 oz wing joined together 15minute epoxy glue using bottom parts wing packing core jig As Bob recommends Half-As used fiberglass cloth light epoxy wrap wing after joining halves two bellcrank 018 leadouts used wrapped leadouts exactly AMA rulebook soldered wrap bellcrank end bellcrank bored out accept long 6-32 screw pro truded through sheeting wing One-sixteenth wire used con trol rod 35 flap horn used trailing edge wing Contrary Bobs Tom Dixons advice bushed flap elevator horns 3/32-in OD brass tubing although didnt make bushing long usually big stunters 1/16-in pushrod pushrod guide used rear did bore out elevator bushing no 49 drill bit doesnt leave much bearing meat should enough Half-A plenty s1op elevator now Fortunately 2-in elevator horn tail difficult come least around Bob 0 PLYWOOD II 2-56 8MN 2 FIG 1 HalfA Gear Blacks Hunt CSC told plans come out some Half-A accessories such flap elevator horns leadout guides possibly some gear blocks wing already cut landing gear blocks Bob installed Lite ply formers hold gear blocks last big stunter removable gear made painting much easier well allowing bend gear couple otimes fear breaking loose inside wing decided see differ ence making permanent gear re movable ones Half-A came out total 30 grams using two 2-56 oblind mounting nuts 2-56 screws for gear block added scant 15 grams side gear remov able See diagram details fuselage construction follows Pampawagons same type fa miliar doublers 1/64 in case engine bearers X y Han cock 541 Columbia Blvd Lexington KY 40508 made super tanks 15/16 X 1 X 2 installed same type tank compartment big stunters Fuselage sides 3/32 bottom block block /8 pretty much summed up fuse lage Oh yes stabilizer A-in stock 14-in span 2-in root chord 15-in tip chord same elevators 2 F 4-IMarch1978 35 Rich Porters Nats second-place Half-A VooDoo-44 429-in wing 14 oz. Cox TO 049 Continued page 94 Stock Slim Line muffler lower leftl altered version Los McDonald Shorter version has simply cut off exhaust holes enlarged ST 46 engine shown Photograph Wynn Paul Mike Mustain used landing gear kit Stiletto Wynn Paul Plc A Buck Half s need send big EAA info pack shown above Tells about EAA benefits EAA membership will mean Send buck half today Includes recent issue SPORT AVIATION Airplanes thing Want find out what real world sport aviation about youll want information EAA homebuilts antiques classics warbirds gliders rotary wing aerobatics other type sport aircraft turn Find out what takes build aircraftor design can join EAA chapter near benefit experience skills other builders EAA membership $2000 per year includes monthly SPORT AVIATION Junior membership 18 younger $1000 Information pack $150 78 WC England feel has lot potential contest will great representative United States Another unheralded CL scaler knows what takes win Dick Ruckel Mentor OH near Cleveland Dick spectator 76 Nats Dayton Watching big boys having same troubles modeler has convinced him could well following winter Dick studied Sport Scale rules decided well done simple model flyability would have better-than-average chance against incomplete complex model seemed go against some local notions decision based some simple facts Sport Scale 100 flight points possible no matter what subject model model capable performing full slate options will competitive could have advantage dependability comes simplicity Dick settled model famous Hazel Sig Clip ped Wing Cub try out theory Built Sig kit Cub 2 1 scale 56 wingspan points out no downgrade rules kits inaccuracies weighs 4 lbs 2 oz ready-to-fly Fox Falcon 60 12-6 prop little overkill power-to-weight ratio isnt Dick Cub finished white Permagloss Coverite re-shaded Aero Gloss blue dope actuates throttle engine cutoff i-Roberts handle bellcrank ailerons adjustable flight trim window door Cubs right side open scale fashion Dick spent about eight months 32 years 16 years hobby building finishing Cub satisfaction full flight plan Dick planned Clip Wing goes like 1 Take-off 0 10 points 2 10 Laps Oto 10 points 3 Touch & Go counts 2 options 0 20 points 4 Taxi counts 2 options 0 20 points 5 Wingover 0 10 points 6 Throttle Control FAI rules 0 10 points 7 Landing 10 points 8 Realism Flight 0 10 points 100 points max Using flight plan Cub impressive 77 Sport Scale record going undefeated Among wins note first Open Sport Scale prestigious 42nd Annual Cleveland Junior Air Races against tough competition included two 76 Nats trophy winners Dicks success non-mechanical optioned subject shouldnt seem unusual just consistent careful study rules cant completely agree him simple light planes have advantage certainly compet itive also raises question mind Could banner coverage magazines Nats WC class scale contests have projected mistaken intimidating picture CL Scale competition dont need re tracts flaps bombs cockpit detail six-function digital control system competitive Sport Scale already building scale enjoying company other scalers going few contests dont hesitate try just because unsure model potential will surprised well can study rule book know what expected contest Build right light practice fly scale subject can win Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 35 Now lets hear Half-A champions Rich Porter Florida College Temple Terrace FL 33617 has just experimenting Half-A competing several years varia tions Voo Doo combat ship con verted stunt flying quote 94 Model Aviation I EAA ATIGN Experimental Aircraft Association Inc ~~ /SPGRT_____ PO Box 229II Hales Corners Wis 53130 Milwaukee Suburb \HASW/ Phone 414-425-4860 unreserved Rich main moti vations attempting fly simplified Voo Doo stunters competition has combat unwholesome mystique has kept potential fliers enjoying thrills excitement con trol line flying Certainly watching couple Richs flights exciting states 200 sq just about optimum size top efficiency halfA way low drag short nose moment and/or light wing loading 25 sq per oz better relatively high speed 50-60 mph may account fact extreme engine offset does appear causing perceptible wobbling bobbling tight honest 5-ft corners opposed 20-ft radius corners Bill Netzeband has shown contest winners doing convinc ingly demohstrated stunt fraternity tried introduce precision aero batics control line stunt Remember Humbug Rich goes Engine offset 18 de grees has become pretty much standard wingie thingies Less 15 de grees tends allow line slacking over 20 degrees seems cause undesirable out turning requiring less line rake use small hooked wire pull nylon string leadouts through desired line rake boles Line rake angle doesnt seem critical lightly loaded machines flies standard size Voo Doo equipped tricycle landing gear hopped up 049 also has 44 ship larger size Half-A stunter patterned after Voo Doo 429 sq wing 429 span weighing 13 oz tricycle gear factory re commended hopped up Tee Dee 049 flying 55-ft lines using 2-ounce penbladder tank swinging Cox 6 X 3 com petition gray prop Five-second laps 44 52-ft lines 008 lines gave him very good line tension ability get through pattern 55 mm just over 15 oz Missile Mist Rich says Both stand ard Voo Doo 44 can get 3-ft radius loops ease 44 its large vertical fins large swept-back wing tips almost 100% increase tail moment 429 vs 25 Voo Doo over Voo Doo appears have percepti ble advantage grooviness over Voo Doo especially turbulent air Rich also has something say lines fuel Missile Mist has about 3-mph advantage over Cox blue label fuel get consistent runs Fox Missile Mist well Cox fuel Under ideal conditions 60-ft lines have proved superior far plan drop down 50 feet 012 lines use higher nitro fuel really windy weather regarding engines have finally concluded lots engine offset side-winder Tee Dee runs significantly cooler cylinder slung rather out have known since 1965 PeckPelymersPO BOX 2498-AMLA MESA CALIF 92041 PHONE 7141 4698675 714 442-4636 March 1978 95 Fi PEANUT PEOPLE QUALITY KIT DESIGNED ESPECIALLY FOR THE NEW MINIATURE RADIOS L BUT EASY TO FLY SPECIFICATIONS WINGSPAN 25 INCHES POWER 020 GAS ENGINE RADIO MINIATURE 2-3 CHANNEL FLYING WT 8 TO 10 OZ KIT INCLUDES DIE-CUT EALSA AND PLYWOOD FORMED LANDING GEAR & CANOPY HARDWARE FOR CONTROLS KIT $1495 ASK AT YOUR LOCAL DEALER IF NOT AVAILABLE ORDER DIRECT ADD 75g PEANUT SCALE KITS AND HARD TO FIND ITEMSBROWN CO-2 ENGINES COMPLETE CATALOG 50 DIISIZE SR FALCON Wff ERTY BELL MODEL WWI MODEL ACCESSORIES FINE QUALITY ENGINE KITS & CYLINDERS MACHINE GUN KITS LS TS INGS SEND 5O FOR COMPLETE CATALOG DEPT MA PAWNEE STREET SAN MARCOS CALIFORNIA 9 inside hung cylinder helps needle tank recently have considered cooling factor significant finally very calm situations 44 can slow down 5-sec lap 52- 60-ft lines Tee Dee doing rich lazy 20 grand less Control line tension very positive smoothness maneuverability peak un der such conditions wind picks up considerably TD gets up around 21 grand better maneuvers fast care fly rotation speed ap proaches 4-second lap 52-footers Takeoff landings can suffer also wind gets nasty though tricycle gear big help competitions planes Rich uses large diameter 1 thin two-ply cross-grain 1 / 16-in balsa wheels small plastic fuel line tires Rich flies clockwise makes flights exciting unfamiliar direction keeps breathless waiting next low pullout Should want contact Rich information about HalfA stunters write him Temple Terrace address PAMPA Elections 1978 Keith Trostle again will lead stunt fliers President PAMPA approximately 450 members press time evidence participation paper work projects necessary functioning organization Vice president elect Frank McMillan won out close battle Bob Half-A stunt Champion Whitely Secretary-Treasurer Wynn Paul again directors Dave Hemstrought Bob Gieseke Arlie Preszler Jon Ramsden PO Box 2347 Peach tree City GA 30269 has appointed Keith Chairman Judges Standards Committee process map ping out list projects PAMPA con cerning judging judging procedures contest manual Anyone wishing assist Jon needed project should write directly him already has around dozen volunteers could use help can get information Stunt PAMPA Wynn Paul 1640 Maywick Drive Lex ington KY 40504 CL Combat/Johnson continued page 36 15 combat purposes anyway have making progress despite setbacks thanks British giving lat est designs British lads roll ing floor laughter Russians fell particular design theyd given up stopped laugh ing European Championships discovered Russians sorted out bugs wasnt bad performer Maybe Americans should ship over couple cases infamous Big Otto design Americans least experienced world class flying although certainly lacking AMA type since team consists very best country Gary Frost/Chuck Rudner/George Cleve land really would like help team might bring along some models few yourself few lend team members practice will lots time before dur ing contest get plenty practice sparring partner idea opportunity fly against some top notch competitors team members get some valuable experience against wide variety opponents some thing should doing right now USA Its up locals help get Frost Rudner Cleveland shape big picture engine area Mike Hoffelts FAI design Nats article wanted better view Ive included shot Dave Clarkson Aeromodeller fame Mike during Daves recent visit Some trick items include cable pushrod single leadout guide exhaust exit through wing fiber glass molding inboard fuel compartment pressure regulations capabilities Rossi 15 makes lots power 40% nitro 15% Blendzall fuel turns much mod ified Zinger 7-5 about 24000 rpm prop reworked put pitch hub Sure has its disadvantages like fairly small fuel capacity sensitiv ity small warp being fragile 12-ounce plane can stand up flying stresses ground impact As Richard Wilkens would say build light may hit ground saw planes action Nats will probably agree theyre real mind-blowers compared current FAI design Has anyone noticed have quite few changes Combat rules None will have big impact no gear Slow engine farther forward line entanglement rule has deleted means youre ahead youll have bellcrank guy rather fly 1oop around lines punch As pointed out MACA N/L no kill rule Slow Combat will mean about same thing take whole streamer right off safest thing terms winning match would center punch guy voted away kill mem ber CAC thought would make interesting matches again thought flying fun have couple suggestions Since combat simulates real combat obvious mid-air kills both pilots could move people would have pushin up daisies special bracket people cant win hitting plane second way might fly certain number rounds rather pyramid affair total cuts air points three four rounds determining winner took lot right off could still get air points staying air would advantage about streamer making machine Current practice rainy weather run -in masking tape down length streamer too hard job although rol ling up again sure tape keeps streamer shredding wet weather allows prop cut off piece pulling entire streamer 96 Model Aviation