THE MACA 1978 Top Twenty Combat Pilots compiled Mike Strieter 1 Rich ard Stubblefield 2 Paul Curtis 3 Jordan Segal 4 Bud Bodzioch Warren Sanders 6 Bob Burch John Frank 8 Steve Sacco 9 Neal Rose Mack Henry 11 Marvin Denny 12 Dave Collins 13 Mike Guthomson 14 George Cleveland 15 Phil Cartier 16 Eric Taylor 17 Forest Atkins 18 Joe Ambrose Paul Smith 20 Mike Bilotta Kelly Henocq Mike does terrific job year put ting list together top finishers Slow Fast FAI Combat listed April 1979 issue MACA News letter Richard Stubblefield took top spot both Fast Slow Combat Jordan Segal MACAs top FAI pilot hope have seen MACA Combat Championships June 30 July 1 organizers expect over hundred competitors various events Champs will held Forest Preserve Flying site near OHare Airport Chicago FAI Slow Combat will held Saturday ViA Fast Combat Sunday miss still Nationals Aero Challenge FAI Team Trials Unless airline situa tion gets worse plan making preceeding meets plus visit Houston Texas State Champs over Memorial Day weekend Combata cheap alternative Thats what proponents event call flying over thick grass its possible fly day plane two very little expense fuel Everyone flys event claims lot fun naturally next step make National Continued page 119 August 1979 47 Bill Hirsh launches Pete Athans during eliminations WflhlU lazy contestants lOOK everai home runs made during Upland CA contest due line cuts pix author R very nice 12R Dy OD utiy seen upiana meet 1-eatures roam rront OT spars ana conventional balsa rear style similar pioneered Richard Wilkens England Steve Hills left snd Terry Kerger models Terrys foam Steves sticks Note difference flipper size neat idea spotted Rich Lopezs plane during Upland meet bracket holds fuel filter position making fueling breeze Rich needs now on/off switch fuel experimenting some maneuvers CL Corn bat/Johnson Try get someone spot dont afraid try several types changes continued page 47 trimming always try change just item per flight information stunt PAMPA contact Wynn Paul 1640 MaywickDri ye Lexington KY 40504 Helicopter Fly-in continued page 63 CC type training gear heavy hula hoop does help stabilize helicopter much has httle effect forward flight cap abilities can left during initial forward flight learning process general grass much preferred fly ing field opposed dirt asphalt due its cleanliness has experience students have tried own fly helicopter have failed often quit due lack guidance Therefore student pilot should seek out assis tance qualified RC helicopter pilot sport helicopter flying rela tively new growing en joyable getting together pilots other areas share knowledge flying building maintenance techniques encourage other helicop ter enthusiasts same event out can ruined Dieselsa better alternative No USA would have thought twice about stinky diesel couple years ago Arent hard start use exotic fuel hard handle Thats what Americans think about diesel thats exactly what Europeans thought about glows Lets go back time 1974 British Nationals took over Nemesis powered K&B 40 60% nitro some exhibition flights thing made lots noise fast turned lot better expected although nothing like some models today just spite everyone motor started time first flick ran flawlessly time 121 diesels vs 7 glows first round Nationals took two years turn around odds popularity combat has decline ever since glow took over disposable throwaway model hasnt helped either lightweight diesel models did part too diesel-powered model must have something going Ive listed few good points 1 Diesel fuel cheap compared nitro fuels especially since latest price crease over $2000 per gallon 2 Diesels have no glow plugs burn out go bad price will soon skyrocket glow plugs buy yours now theyre cheap 3Diesels ran best clipped 8-6 nylon props lasted life engine reason diesel pilot could just land model tired flying match over Try AMA model $150 prop 4 The amount equipment necessary operate diesel less guys usually took plastic bottle fuel plane set lines Laystrate lines lasted ever too Think barbed wire barbs get idea toughness Laystrates 5 Model destruction wasnt nearly what AMA events glow version ofFAl Combat half dozen models lasted season Modelers usually changed something new because design improve ments rather having everything smashed bits 6 Because stronger nature diesel model afforded different flying style Hitting ground fun tactical manuever Rather give away cut smart flier sometimes landed Pit work fast reliable sometimes couple seconds elapsed 7 The performance such luck-out factor greatly diminished rare see upset really good pilots common see matches 4 5 cuts per pilot minus side diesel find 1 They indeed stinky August 1979 119 OUR AIM T FLYING SPECIALIZING IN OX FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE TH HOT EQUIPMENT hterprises 4 2 lack fire breathing quality AMA types 3 have adjustments make needle compression 4 can very nasty especially its cold bite fingers Whats going return old days will continue $30 gallon fuel $200 plugs $150 props lines $350 go Americans seem reviewing priorities automobiles remember 426 Hemi king its either moderate perish according authorities Probably often asked question has make Fox run suction So far hasnt totally satisfactory answer youll get either As Ive said before have seal up stock restrictor air goes around restrictor rather through Some balsa wedged will can use 5-minute epoxy little heat will make fall right out carved down piece fairly hard wood fit square opening drilled down center Stick engine drill hole spraybar Find nice cone-shaped bit Dremel make nice venturi shape both ends hardwood can extend out stock venturi give ram effect just look weird sure coat inside wood epoxy fuel soon melts venturi find uri draws just fine should can bore out next drill size sooner later youll get too big youve lost piece hardwood Go back drill size youre business Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Lee continued page 48 running well over 25000 rpm dump water Instant destruction new rod much stronger old machined out 7075-T6 aluminum has very nearly double cross-sectional area old rod its longer between centers old rod too right 050 What means case has have some milling done ports side engine rod will clear longer rod means piston wrist pin placed closer top piston means engine longer rod has less side thrust piston running well lower piston speed same rpm has translate hp slight few places engine have experienced problem previous model has rear rotor assembly old engine aluminum rotor running steel rotor pin against chromed aluminum backplate rotor milled out back side balance purposes small portion actually rubbed against backplate Due pressure fluctuations crankcase rotor pressed tightly against backplate during portion rotation during remaining portion being allowed basically float free pressed tightly against backplate would wear side opposite intake cut-out Usually wear slight didnt seem affect engine perfor mance until suddenly stopped working once usually middle finals somewhere have keep close eye backplate/rotor assemblies old engines new engine appears have fixed problem rotor steel chrome plated running against aluminum backplate should effectively stop wear experienced old engines nice part assembly will work old engines So got lucky crankshaft front end modi fied too crank has enlarged just behind front bearing clear back before nominal 375 now 467 will obviously make crank virtually unbreakable although problem have encountered older versions engines front end housing has modified slightly flat spot milled top rear bearing housing oil hole drilled through area immediately front rear bearing Obviously improved lubrication rea son Again got lucky new front end crankshaft will fit older engines ONLY complete assembly initial impressions new engine very good engine has made better Ive running K&B engines Rats ever since Ive flying new 65 Ill future Mouse Race NATS Mouse racers planning being Nats Lincoln summer should plan bringing equipment along fly though Mouse popular events parts country still provisional event isnt flown officially Nats year last unofficial Class Mouse will flown Tuesday Nats week being spon sored Orbiting Eagies Omaha Nebraska trophies possibly some merchandise coming Cox information comes Vince Mankowski Vice President District IX years Nats Control Line Category Direc tor So Mousers should come prepared event perhaps good showing will convince Nats officialdom reinstate event TR Nat Bill Wright will running TR years Nats did last year Lake Charles Only year working up new model description form somewhat different previously trying get available sent TR entrants along Nats entry packet know red tape flows slowly might possible going fly TR Nats might want contact Bill address Bill Wright 2712 Seminole Dr Indepen dance MO 64057 Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Albatross/Kelly continued page 50 canard front wing controlled causes canard roll indepen dently rest airframe Canard pitch control straightforward full-flying control surface Another lever warps main wing make flat turns introducing differential drag increased lift inboard wing overall weight reduced 70 55 lb power required maintain level flight reduced third 033 025 hp improvements did come easily new has ribs provide better airfoil contour details like using Kevlar place piano wire control system new urethane material replace conventional bicycle chain made possible small increments weight reduction taken together add up 15 lb total weight thousand lightening holes foam ribs 5 oz main wing canard 1 20 Model Aviation PLANES 1355 Er*i Road BOATS PO Box 227 CARS Pangli Center TRAINS Van Wilt ON 45196 Jan Gus *4191 2382625 WE BUY OR TRADE OLD ENGINES AND KITS
Edition: Model Aviation - 1979/08
Page Numbers: 47, 119, 120
THE MACA 1978 Top Twenty Combat Pilots compiled Mike Strieter 1 Rich ard Stubblefield 2 Paul Curtis 3 Jordan Segal 4 Bud Bodzioch Warren Sanders 6 Bob Burch John Frank 8 Steve Sacco 9 Neal Rose Mack Henry 11 Marvin Denny 12 Dave Collins 13 Mike Guthomson 14 George Cleveland 15 Phil Cartier 16 Eric Taylor 17 Forest Atkins 18 Joe Ambrose Paul Smith 20 Mike Bilotta Kelly Henocq Mike does terrific job year put ting list together top finishers Slow Fast FAI Combat listed April 1979 issue MACA News letter Richard Stubblefield took top spot both Fast Slow Combat Jordan Segal MACAs top FAI pilot hope have seen MACA Combat Championships June 30 July 1 organizers expect over hundred competitors various events Champs will held Forest Preserve Flying site near OHare Airport Chicago FAI Slow Combat will held Saturday ViA Fast Combat Sunday miss still Nationals Aero Challenge FAI Team Trials Unless airline situa tion gets worse plan making preceeding meets plus visit Houston Texas State Champs over Memorial Day weekend Combata cheap alternative Thats what proponents event call flying over thick grass its possible fly day plane two very little expense fuel Everyone flys event claims lot fun naturally next step make National Continued page 119 August 1979 47 Bill Hirsh launches Pete Athans during eliminations WflhlU lazy contestants lOOK everai home runs made during Upland CA contest due line cuts pix author R very nice 12R Dy OD utiy seen upiana meet 1-eatures roam rront OT spars ana conventional balsa rear style similar pioneered Richard Wilkens England Steve Hills left snd Terry Kerger models Terrys foam Steves sticks Note difference flipper size neat idea spotted Rich Lopezs plane during Upland meet bracket holds fuel filter position making fueling breeze Rich needs now on/off switch fuel experimenting some maneuvers CL Corn bat/Johnson Try get someone spot dont afraid try several types changes continued page 47 trimming always try change just item per flight information stunt PAMPA contact Wynn Paul 1640 MaywickDri ye Lexington KY 40504 Helicopter Fly-in continued page 63 CC type training gear heavy hula hoop does help stabilize helicopter much has httle effect forward flight cap abilities can left during initial forward flight learning process general grass much preferred fly ing field opposed dirt asphalt due its cleanliness has experience students have tried own fly helicopter have failed often quit due lack guidance Therefore student pilot should seek out assis tance qualified RC helicopter pilot sport helicopter flying rela tively new growing en joyable getting together pilots other areas share knowledge flying building maintenance techniques encourage other helicop ter enthusiasts same event out can ruined Dieselsa better alternative No USA would have thought twice about stinky diesel couple years ago Arent hard start use exotic fuel hard handle Thats what Americans think about diesel thats exactly what Europeans thought about glows Lets go back time 1974 British Nationals took over Nemesis powered K&B 40 60% nitro some exhibition flights thing made lots noise fast turned lot better expected although nothing like some models today just spite everyone motor started time first flick ran flawlessly time 121 diesels vs 7 glows first round Nationals took two years turn around odds popularity combat has decline ever since glow took over disposable throwaway model hasnt helped either lightweight diesel models did part too diesel-powered model must have something going Ive listed few good points 1 Diesel fuel cheap compared nitro fuels especially since latest price crease over $2000 per gallon 2 Diesels have no glow plugs burn out go bad price will soon skyrocket glow plugs buy yours now theyre cheap 3Diesels ran best clipped 8-6 nylon props lasted life engine reason diesel pilot could just land model tired flying match over Try AMA model $150 prop 4 The amount equipment necessary operate diesel less guys usually took plastic bottle fuel plane set lines Laystrate lines lasted ever too Think barbed wire barbs get idea toughness Laystrates 5 Model destruction wasnt nearly what AMA events glow version ofFAl Combat half dozen models lasted season Modelers usually changed something new because design improve ments rather having everything smashed bits 6 Because stronger nature diesel model afforded different flying style Hitting ground fun tactical manuever Rather give away cut smart flier sometimes landed Pit work fast reliable sometimes couple seconds elapsed 7 The performance such luck-out factor greatly diminished rare see upset really good pilots common see matches 4 5 cuts per pilot minus side diesel find 1 They indeed stinky August 1979 119 OUR AIM T FLYING SPECIALIZING IN OX FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE TH HOT EQUIPMENT hterprises 4 2 lack fire breathing quality AMA types 3 have adjustments make needle compression 4 can very nasty especially its cold bite fingers Whats going return old days will continue $30 gallon fuel $200 plugs $150 props lines $350 go Americans seem reviewing priorities automobiles remember 426 Hemi king its either moderate perish according authorities Probably often asked question has make Fox run suction So far hasnt totally satisfactory answer youll get either As Ive said before have seal up stock restrictor air goes around restrictor rather through Some balsa wedged will can use 5-minute epoxy little heat will make fall right out carved down piece fairly hard wood fit square opening drilled down center Stick engine drill hole spraybar Find nice cone-shaped bit Dremel make nice venturi shape both ends hardwood can extend out stock venturi give ram effect just look weird sure coat inside wood epoxy fuel soon melts venturi find uri draws just fine should can bore out next drill size sooner later youll get too big youve lost piece hardwood Go back drill size youre business Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Lee continued page 48 running well over 25000 rpm dump water Instant destruction new rod much stronger old machined out 7075-T6 aluminum has very nearly double cross-sectional area old rod its longer between centers old rod too right 050 What means case has have some milling done ports side engine rod will clear longer rod means piston wrist pin placed closer top piston means engine longer rod has less side thrust piston running well lower piston speed same rpm has translate hp slight few places engine have experienced problem previous model has rear rotor assembly old engine aluminum rotor running steel rotor pin against chromed aluminum backplate rotor milled out back side balance purposes small portion actually rubbed against backplate Due pressure fluctuations crankcase rotor pressed tightly against backplate during portion rotation during remaining portion being allowed basically float free pressed tightly against backplate would wear side opposite intake cut-out Usually wear slight didnt seem affect engine perfor mance until suddenly stopped working once usually middle finals somewhere have keep close eye backplate/rotor assemblies old engines new engine appears have fixed problem rotor steel chrome plated running against aluminum backplate should effectively stop wear experienced old engines nice part assembly will work old engines So got lucky crankshaft front end modi fied too crank has enlarged just behind front bearing clear back before nominal 375 now 467 will obviously make crank virtually unbreakable although problem have encountered older versions engines front end housing has modified slightly flat spot milled top rear bearing housing oil hole drilled through area immediately front rear bearing Obviously improved lubrication rea son Again got lucky new front end crankshaft will fit older engines ONLY complete assembly initial impressions new engine very good engine has made better Ive running K&B engines Rats ever since Ive flying new 65 Ill future Mouse Race NATS Mouse racers planning being Nats Lincoln summer should plan bringing equipment along fly though Mouse popular events parts country still provisional event isnt flown officially Nats year last unofficial Class Mouse will flown Tuesday Nats week being spon sored Orbiting Eagies Omaha Nebraska trophies possibly some merchandise coming Cox information comes Vince Mankowski Vice President District IX years Nats Control Line Category Direc tor So Mousers should come prepared event perhaps good showing will convince Nats officialdom reinstate event TR Nat Bill Wright will running TR years Nats did last year Lake Charles Only year working up new model description form somewhat different previously trying get available sent TR entrants along Nats entry packet know red tape flows slowly might possible going fly TR Nats might want contact Bill address Bill Wright 2712 Seminole Dr Indepen dance MO 64057 Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Albatross/Kelly continued page 50 canard front wing controlled causes canard roll indepen dently rest airframe Canard pitch control straightforward full-flying control surface Another lever warps main wing make flat turns introducing differential drag increased lift inboard wing overall weight reduced 70 55 lb power required maintain level flight reduced third 033 025 hp improvements did come easily new has ribs provide better airfoil contour details like using Kevlar place piano wire control system new urethane material replace conventional bicycle chain made possible small increments weight reduction taken together add up 15 lb total weight thousand lightening holes foam ribs 5 oz main wing canard 1 20 Model Aviation PLANES 1355 Er*i Road BOATS PO Box 227 CARS Pangli Center TRAINS Van Wilt ON 45196 Jan Gus *4191 2382625 WE BUY OR TRADE OLD ENGINES AND KITS
Edition: Model Aviation - 1979/08
Page Numbers: 47, 119, 120
THE MACA 1978 Top Twenty Combat Pilots compiled Mike Strieter 1 Rich ard Stubblefield 2 Paul Curtis 3 Jordan Segal 4 Bud Bodzioch Warren Sanders 6 Bob Burch John Frank 8 Steve Sacco 9 Neal Rose Mack Henry 11 Marvin Denny 12 Dave Collins 13 Mike Guthomson 14 George Cleveland 15 Phil Cartier 16 Eric Taylor 17 Forest Atkins 18 Joe Ambrose Paul Smith 20 Mike Bilotta Kelly Henocq Mike does terrific job year put ting list together top finishers Slow Fast FAI Combat listed April 1979 issue MACA News letter Richard Stubblefield took top spot both Fast Slow Combat Jordan Segal MACAs top FAI pilot hope have seen MACA Combat Championships June 30 July 1 organizers expect over hundred competitors various events Champs will held Forest Preserve Flying site near OHare Airport Chicago FAI Slow Combat will held Saturday ViA Fast Combat Sunday miss still Nationals Aero Challenge FAI Team Trials Unless airline situa tion gets worse plan making preceeding meets plus visit Houston Texas State Champs over Memorial Day weekend Combata cheap alternative Thats what proponents event call flying over thick grass its possible fly day plane two very little expense fuel Everyone flys event claims lot fun naturally next step make National Continued page 119 August 1979 47 Bill Hirsh launches Pete Athans during eliminations WflhlU lazy contestants lOOK everai home runs made during Upland CA contest due line cuts pix author R very nice 12R Dy OD utiy seen upiana meet 1-eatures roam rront OT spars ana conventional balsa rear style similar pioneered Richard Wilkens England Steve Hills left snd Terry Kerger models Terrys foam Steves sticks Note difference flipper size neat idea spotted Rich Lopezs plane during Upland meet bracket holds fuel filter position making fueling breeze Rich needs now on/off switch fuel experimenting some maneuvers CL Corn bat/Johnson Try get someone spot dont afraid try several types changes continued page 47 trimming always try change just item per flight information stunt PAMPA contact Wynn Paul 1640 MaywickDri ye Lexington KY 40504 Helicopter Fly-in continued page 63 CC type training gear heavy hula hoop does help stabilize helicopter much has httle effect forward flight cap abilities can left during initial forward flight learning process general grass much preferred fly ing field opposed dirt asphalt due its cleanliness has experience students have tried own fly helicopter have failed often quit due lack guidance Therefore student pilot should seek out assis tance qualified RC helicopter pilot sport helicopter flying rela tively new growing en joyable getting together pilots other areas share knowledge flying building maintenance techniques encourage other helicop ter enthusiasts same event out can ruined Dieselsa better alternative No USA would have thought twice about stinky diesel couple years ago Arent hard start use exotic fuel hard handle Thats what Americans think about diesel thats exactly what Europeans thought about glows Lets go back time 1974 British Nationals took over Nemesis powered K&B 40 60% nitro some exhibition flights thing made lots noise fast turned lot better expected although nothing like some models today just spite everyone motor started time first flick ran flawlessly time 121 diesels vs 7 glows first round Nationals took two years turn around odds popularity combat has decline ever since glow took over disposable throwaway model hasnt helped either lightweight diesel models did part too diesel-powered model must have something going Ive listed few good points 1 Diesel fuel cheap compared nitro fuels especially since latest price crease over $2000 per gallon 2 Diesels have no glow plugs burn out go bad price will soon skyrocket glow plugs buy yours now theyre cheap 3Diesels ran best clipped 8-6 nylon props lasted life engine reason diesel pilot could just land model tired flying match over Try AMA model $150 prop 4 The amount equipment necessary operate diesel less guys usually took plastic bottle fuel plane set lines Laystrate lines lasted ever too Think barbed wire barbs get idea toughness Laystrates 5 Model destruction wasnt nearly what AMA events glow version ofFAl Combat half dozen models lasted season Modelers usually changed something new because design improve ments rather having everything smashed bits 6 Because stronger nature diesel model afforded different flying style Hitting ground fun tactical manuever Rather give away cut smart flier sometimes landed Pit work fast reliable sometimes couple seconds elapsed 7 The performance such luck-out factor greatly diminished rare see upset really good pilots common see matches 4 5 cuts per pilot minus side diesel find 1 They indeed stinky August 1979 119 OUR AIM T FLYING SPECIALIZING IN OX FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE TH HOT EQUIPMENT hterprises 4 2 lack fire breathing quality AMA types 3 have adjustments make needle compression 4 can very nasty especially its cold bite fingers Whats going return old days will continue $30 gallon fuel $200 plugs $150 props lines $350 go Americans seem reviewing priorities automobiles remember 426 Hemi king its either moderate perish according authorities Probably often asked question has make Fox run suction So far hasnt totally satisfactory answer youll get either As Ive said before have seal up stock restrictor air goes around restrictor rather through Some balsa wedged will can use 5-minute epoxy little heat will make fall right out carved down piece fairly hard wood fit square opening drilled down center Stick engine drill hole spraybar Find nice cone-shaped bit Dremel make nice venturi shape both ends hardwood can extend out stock venturi give ram effect just look weird sure coat inside wood epoxy fuel soon melts venturi find uri draws just fine should can bore out next drill size sooner later youll get too big youve lost piece hardwood Go back drill size youre business Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Lee continued page 48 running well over 25000 rpm dump water Instant destruction new rod much stronger old machined out 7075-T6 aluminum has very nearly double cross-sectional area old rod its longer between centers old rod too right 050 What means case has have some milling done ports side engine rod will clear longer rod means piston wrist pin placed closer top piston means engine longer rod has less side thrust piston running well lower piston speed same rpm has translate hp slight few places engine have experienced problem previous model has rear rotor assembly old engine aluminum rotor running steel rotor pin against chromed aluminum backplate rotor milled out back side balance purposes small portion actually rubbed against backplate Due pressure fluctuations crankcase rotor pressed tightly against backplate during portion rotation during remaining portion being allowed basically float free pressed tightly against backplate would wear side opposite intake cut-out Usually wear slight didnt seem affect engine perfor mance until suddenly stopped working once usually middle finals somewhere have keep close eye backplate/rotor assemblies old engines new engine appears have fixed problem rotor steel chrome plated running against aluminum backplate should effectively stop wear experienced old engines nice part assembly will work old engines So got lucky crankshaft front end modi fied too crank has enlarged just behind front bearing clear back before nominal 375 now 467 will obviously make crank virtually unbreakable although problem have encountered older versions engines front end housing has modified slightly flat spot milled top rear bearing housing oil hole drilled through area immediately front rear bearing Obviously improved lubrication rea son Again got lucky new front end crankshaft will fit older engines ONLY complete assembly initial impressions new engine very good engine has made better Ive running K&B engines Rats ever since Ive flying new 65 Ill future Mouse Race NATS Mouse racers planning being Nats Lincoln summer should plan bringing equipment along fly though Mouse popular events parts country still provisional event isnt flown officially Nats year last unofficial Class Mouse will flown Tuesday Nats week being spon sored Orbiting Eagies Omaha Nebraska trophies possibly some merchandise coming Cox information comes Vince Mankowski Vice President District IX years Nats Control Line Category Direc tor So Mousers should come prepared event perhaps good showing will convince Nats officialdom reinstate event TR Nat Bill Wright will running TR years Nats did last year Lake Charles Only year working up new model description form somewhat different previously trying get available sent TR entrants along Nats entry packet know red tape flows slowly might possible going fly TR Nats might want contact Bill address Bill Wright 2712 Seminole Dr Indepen dance MO 64057 Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Albatross/Kelly continued page 50 canard front wing controlled causes canard roll indepen dently rest airframe Canard pitch control straightforward full-flying control surface Another lever warps main wing make flat turns introducing differential drag increased lift inboard wing overall weight reduced 70 55 lb power required maintain level flight reduced third 033 025 hp improvements did come easily new has ribs provide better airfoil contour details like using Kevlar place piano wire control system new urethane material replace conventional bicycle chain made possible small increments weight reduction taken together add up 15 lb total weight thousand lightening holes foam ribs 5 oz main wing canard 1 20 Model Aviation PLANES 1355 Er*i Road BOATS PO Box 227 CARS Pangli Center TRAINS Van Wilt ON 45196 Jan Gus *4191 2382625 WE BUY OR TRADE OLD ENGINES AND KITS