Radio Control Dan Pruss IN THE JANUARY column mentioned variations task de sign clubs individuals factors has kept competition soar ing challenging exciting Innovations regards tasks usually depar ture official rule book thin line separates rule infraction deviation cant defined However long basic rules adhered regards sailplane size weight re strictions modifications tasks practical instances healthy sport Fifth Annual North-South Chal lenge Meet proved contest annual affair between northern southern California has developed roughest fought events RC Soaring realizes some countrys best fliers concentrated Golden Stateto north southan air Martin McCoy feud bound exist hasnt developed World War III thunder hasnt caused sudden land shift Balboas pond relief us mystery few seismo graphers Rick Pearson Tom Williams San Fernando Valley Silent Flyers came up system running fifth annual bash thermal event just possibly revolutionary concept contest managing come along years contest times have victim launch down air times have seen finger being pointed sandbag ger years meet eliminated above gripes probably common soaring events what messrs Pearson Wil liams came up Four winches used launching idea launch four sailplanes time reasons safety winch numbers three would launch two four would enable four fliers launch same air task ten-minute duration ever first plane land scored 25 points secondSO third75 last land longest duration flight earned 100 points Whether air up down above system scoring used ten-minute max producing boomer earned no flier downer rendered say three minutes its best four fliers end first round score board showed contestants broken down four groups 100 75 50 25 points because unique scorecard system Williams devised next round quickly arranged score card small tile-like square bore contestants name frequency contained space scoring round beauty system fact scorecard hung mas ter scoreboard instant posting scores set up round two fliers scores 100 cards shuffled random cards again arranged groups four consideration eliminating frequency conflict being concern man-on-man oneon-one idea repeated other three groups scores 75 50 25 can readily seen group scores 100 would reduced 75 percent end round two Con versely winners round two 75- 50- 25-point categories would earn 100 points chance better standings As rounds progressed perfectly scored rounds diminished number end round fiveon second day man-on-man somehow flying person-on-flying-person doesnt have same ring competition re mained topRick Pearson talking Tom Williams since meet Monday morning analysis since new concept contest management perhaps equitable means scoring could con sidered Normalizing scores group four would allow second third fourth fliers earn scores relative winner s has continued page 84 20 Model Aviation Highlights Toledo Above left Ken Bates Research II Fowler flaps left Gordon Pear sons Vector 1 1st Scale above Neil Liptaks Quasor Ill latin sailplanes above right Astro Jeff Jr. Jerry Mrlik 2nd place best finish award Charles Kellys H Jacker shown right Sailplanes made big splash MORE wnA fl same power - ~ 40 Ko 1\ possible get good transition ground air normal tank jet 20 30 thousandths will get ballpark Just put jet piece fuel tubing slip over uni-flow vent once youve fueled tank Some suggestions others have made keep event under control would requiring tank com pletely outboard side body front portions leading edgethe latter requirement directed against swept-forward wing designs no need either 300 sq wing pro file body requirement since better turning planes pushing 400 sq way what possible harm could allowing built-up fuselage 24 length good idea rest profile thing can worms good place start argument over BId TractOr 54ech 253 43134 e63 6-4354 Pusher7 4 76 78504 each84 8-6 88664 5Y-35W4 -6 97 -36-4 10-4 10-6858 8-685811-4 11-611-81 9-610-61 RO 12-4 3 Blade Tractor72-5 12-6 150 5-35-4 6-36-4 GRISH 3 Blade Pusher 6-3508ST JOHN INDIANA 46373 interpretations Wing area profile definitions come racing events needed thats should stay AMA Fast Combat has no minimum requirement wings youll notice majority designs over 300 sq design has builtup body cowled engine planes are- lighter faster Slow Combat planes Wheels landing gear another sore point transport ing bunch models contest ants bicker over size shape whether pitman assisted airplane take-off small amount weight drag isnt worth potential hassles Prop restrictions have tried over country mixed results CAC option voting 10-6 nylon results known time 10-6 takes bite out motors would make cheaper fly since dont break often wood props bushing vs ball-bearing con troversy goes Most agreed bush ing motor could made go fast ball-bearing model wouldnt stand up long favorite equalizer would minimum weight rule such have RC Pylon Racing example lets make 30 oz minimum Slow ships could make plane super strong weight whole lot slower through turns Flat-out speeds arent affected much weight super designers now biting nails egad giant step backwards envisioned Slow Combat came about would place guy Ringmaster would have fair chance least humiliated kamikazies call Slow Combat planes planes weighed 30 oz better designed carefully built plane will still fly better less noticeable differences can fudge just about rule minimum weight rule would get time think about Combat events its supposed contest skill pilots skill first thing everyone starts thinking about get some advan tage through faster quicker planes powerful engines develop ing own skill would like fight pistol duel have other guy decide needs advantage show up machine gun response asking favorite maneuver someone Virginia said liked crash lot Send letters Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 RC Soaring/Pruss continued page 20 merit especially four fliers seconds apart has further merit high time flier ends up minutes ahead other three As sandbagging fact names sequence flying posted well advance should eliminate cause contestant make last-minute adjust ment Thermal Sniffler spoiler cables have look lost frequency clip North-South Meet called fly launch werent available could expect zero ft.r score No zeros posted Kinda amazin suddenly sailplanes staying ready-to-fly status TOLEDO1976 name Toledo has become synonomous trade show Toledo Weak Signals 22nd year can take bow sailplane display collection finest workman ship design ever no pictures will 84 Model Aviation 8 854 8-68-8 125 9610-6 104 150 ShADE\ lOSPusher Metallic Aluminum Cdr 150 CL Combat continued Pt, 21St 4264150 May 1976 EDWARD MANULKIN Prdt Hi Are going will win Sterling Award Best Scale Model 1976 Nationals Theres beautiful placque check 5100 cash goes award really has some substance Sterling Award has no strings attached Judges ones pick winner Sterling stays completely out nt have have Sterling Model win can scratch built anyones kit go just amazed reception given new Peanut Scale Model Kits Everyone has seen Kits finished models agree just tops probably best buy sarket today sure take look Rubber Motor Winder too Dealer Its dust thing youll want keep tool box pocket its 5295 cant close mentioning Waco Editor 504 enthusiastic used April cover also Field Bench type articles causing up great Take look youre hobby shop Sincerely Ed Manulkin President AMA L7 3620 G StreetPhilsdelphis Pennsylvsnis 19134USA birds justice hope builders/fliers cover enough territory summer soaring can benefit dozen sailpianes displayed top five fared way Neil Liptak Jerry Mrlik Ken Bates Ken Bonnena Ed Purdy Quasoar III Astro-Jeff Jr Research II VG Antiquarian Skip Jack Scale 1st Gordon Pearson 2nd Kevin Pearson 3rd Barry Killick Vector Kestral 19 Slingsby T-53B Best Finish Award best finish show Charles KelleyHi Jacker Liptaks Quasoar III features aspect ratio 2671 Wingspan 170 three pieces center six-foot sec tion contains three servos flaps ail erons spoilers 49-in outboard sections plug devises link aileron linkage V tail has rudder-vators Grand Esprit style Wing area 1083 sq weight 45 lbs bird white red blue trim estheti cally speaking its 14 feet sailplane poetry Mrliks Astro Jeff Jror son Astro Jeffis proven design having flown tested last season Engineer ing features proven over years award winning Astro Jeff now Junior Wingspan 100 936 sq Weighing 50 oz wing loading comes out 77 oz per sq ft fiber-glass fuse lage plans available direct Jerry Mrlik 6730 Halyard Rd Birming ham MI 48010 Ken Bates Research II 100 bird cleverest mechanical fea tures sailplanes full-span Fowler flaps polyhedral wing dis play fully retracted fully extended cycle repeated itself three days draw ing attention passed Fowler flaps extending down ward also move aft actually creases wing chord turn creases wing area Now arent CDs glad theres no wing area class Bonnemas Antiquarian master piece building design rem iniscent mid-1930s Albatross Condor designs very close Fillons Champ 1946 Antiquarians straight lines leading trail ing edges flying surfaces Huge fillets blended fuselage wing over 1000 es used construct fillets curved egg-crate type structure pieces left observers admire since whole plane covered silk sorry about Sid dope Truly masterpiece Ed Purdys Skip Jack largest display 14 ft 4 tip tip fea tured Wortman style airfoil area 1850 sq weight 8 11 lbs wing loading will vary 10 137 oz per sq ft Gordon Pearsons Vector 1a Stan Hall designis full-scale version literally worn pilot combina tion hang glider winged leisure suit pilots legs actually hang below July1976 85 1st 2nd 3rd 4th 5th Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cu mberland Press 4926 Del Ray Avenue Bethesda Maryland 20014
Edition: Model Aviation - 1976/07
Page Numbers: 20, 84, 85
Radio Control Dan Pruss IN THE JANUARY column mentioned variations task de sign clubs individuals factors has kept competition soar ing challenging exciting Innovations regards tasks usually depar ture official rule book thin line separates rule infraction deviation cant defined However long basic rules adhered regards sailplane size weight re strictions modifications tasks practical instances healthy sport Fifth Annual North-South Chal lenge Meet proved contest annual affair between northern southern California has developed roughest fought events RC Soaring realizes some countrys best fliers concentrated Golden Stateto north southan air Martin McCoy feud bound exist hasnt developed World War III thunder hasnt caused sudden land shift Balboas pond relief us mystery few seismo graphers Rick Pearson Tom Williams San Fernando Valley Silent Flyers came up system running fifth annual bash thermal event just possibly revolutionary concept contest managing come along years contest times have victim launch down air times have seen finger being pointed sandbag ger years meet eliminated above gripes probably common soaring events what messrs Pearson Wil liams came up Four winches used launching idea launch four sailplanes time reasons safety winch numbers three would launch two four would enable four fliers launch same air task ten-minute duration ever first plane land scored 25 points secondSO third75 last land longest duration flight earned 100 points Whether air up down above system scoring used ten-minute max producing boomer earned no flier downer rendered say three minutes its best four fliers end first round score board showed contestants broken down four groups 100 75 50 25 points because unique scorecard system Williams devised next round quickly arranged score card small tile-like square bore contestants name frequency contained space scoring round beauty system fact scorecard hung mas ter scoreboard instant posting scores set up round two fliers scores 100 cards shuffled random cards again arranged groups four consideration eliminating frequency conflict being concern man-on-man oneon-one idea repeated other three groups scores 75 50 25 can readily seen group scores 100 would reduced 75 percent end round two Con versely winners round two 75- 50- 25-point categories would earn 100 points chance better standings As rounds progressed perfectly scored rounds diminished number end round fiveon second day man-on-man somehow flying person-on-flying-person doesnt have same ring competition re mained topRick Pearson talking Tom Williams since meet Monday morning analysis since new concept contest management perhaps equitable means scoring could con sidered Normalizing scores group four would allow second third fourth fliers earn scores relative winner s has continued page 84 20 Model Aviation Highlights Toledo Above left Ken Bates Research II Fowler flaps left Gordon Pear sons Vector 1 1st Scale above Neil Liptaks Quasor Ill latin sailplanes above right Astro Jeff Jr. Jerry Mrlik 2nd place best finish award Charles Kellys H Jacker shown right Sailplanes made big splash MORE wnA fl same power - ~ 40 Ko 1\ possible get good transition ground air normal tank jet 20 30 thousandths will get ballpark Just put jet piece fuel tubing slip over uni-flow vent once youve fueled tank Some suggestions others have made keep event under control would requiring tank com pletely outboard side body front portions leading edgethe latter requirement directed against swept-forward wing designs no need either 300 sq wing pro file body requirement since better turning planes pushing 400 sq way what possible harm could allowing built-up fuselage 24 length good idea rest profile thing can worms good place start argument over BId TractOr 54ech 253 43134 e63 6-4354 Pusher7 4 76 78504 each84 8-6 88664 5Y-35W4 -6 97 -36-4 10-4 10-6858 8-685811-4 11-611-81 9-610-61 RO 12-4 3 Blade Tractor72-5 12-6 150 5-35-4 6-36-4 GRISH 3 Blade Pusher 6-3508ST JOHN INDIANA 46373 interpretations Wing area profile definitions come racing events needed thats should stay AMA Fast Combat has no minimum requirement wings youll notice majority designs over 300 sq design has builtup body cowled engine planes are- lighter faster Slow Combat planes Wheels landing gear another sore point transport ing bunch models contest ants bicker over size shape whether pitman assisted airplane take-off small amount weight drag isnt worth potential hassles Prop restrictions have tried over country mixed results CAC option voting 10-6 nylon results known time 10-6 takes bite out motors would make cheaper fly since dont break often wood props bushing vs ball-bearing con troversy goes Most agreed bush ing motor could made go fast ball-bearing model wouldnt stand up long favorite equalizer would minimum weight rule such have RC Pylon Racing example lets make 30 oz minimum Slow ships could make plane super strong weight whole lot slower through turns Flat-out speeds arent affected much weight super designers now biting nails egad giant step backwards envisioned Slow Combat came about would place guy Ringmaster would have fair chance least humiliated kamikazies call Slow Combat planes planes weighed 30 oz better designed carefully built plane will still fly better less noticeable differences can fudge just about rule minimum weight rule would get time think about Combat events its supposed contest skill pilots skill first thing everyone starts thinking about get some advan tage through faster quicker planes powerful engines develop ing own skill would like fight pistol duel have other guy decide needs advantage show up machine gun response asking favorite maneuver someone Virginia said liked crash lot Send letters Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 RC Soaring/Pruss continued page 20 merit especially four fliers seconds apart has further merit high time flier ends up minutes ahead other three As sandbagging fact names sequence flying posted well advance should eliminate cause contestant make last-minute adjust ment Thermal Sniffler spoiler cables have look lost frequency clip North-South Meet called fly launch werent available could expect zero ft.r score No zeros posted Kinda amazin suddenly sailplanes staying ready-to-fly status TOLEDO1976 name Toledo has become synonomous trade show Toledo Weak Signals 22nd year can take bow sailplane display collection finest workman ship design ever no pictures will 84 Model Aviation 8 854 8-68-8 125 9610-6 104 150 ShADE\ lOSPusher Metallic Aluminum Cdr 150 CL Combat continued Pt, 21St 4264150 May 1976 EDWARD MANULKIN Prdt Hi Are going will win Sterling Award Best Scale Model 1976 Nationals Theres beautiful placque check 5100 cash goes award really has some substance Sterling Award has no strings attached Judges ones pick winner Sterling stays completely out nt have have Sterling Model win can scratch built anyones kit go just amazed reception given new Peanut Scale Model Kits Everyone has seen Kits finished models agree just tops probably best buy sarket today sure take look Rubber Motor Winder too Dealer Its dust thing youll want keep tool box pocket its 5295 cant close mentioning Waco Editor 504 enthusiastic used April cover also Field Bench type articles causing up great Take look youre hobby shop Sincerely Ed Manulkin President AMA L7 3620 G StreetPhilsdelphis Pennsylvsnis 19134USA birds justice hope builders/fliers cover enough territory summer soaring can benefit dozen sailpianes displayed top five fared way Neil Liptak Jerry Mrlik Ken Bates Ken Bonnena Ed Purdy Quasoar III Astro-Jeff Jr Research II VG Antiquarian Skip Jack Scale 1st Gordon Pearson 2nd Kevin Pearson 3rd Barry Killick Vector Kestral 19 Slingsby T-53B Best Finish Award best finish show Charles KelleyHi Jacker Liptaks Quasoar III features aspect ratio 2671 Wingspan 170 three pieces center six-foot sec tion contains three servos flaps ail erons spoilers 49-in outboard sections plug devises link aileron linkage V tail has rudder-vators Grand Esprit style Wing area 1083 sq weight 45 lbs bird white red blue trim estheti cally speaking its 14 feet sailplane poetry Mrliks Astro Jeff Jror son Astro Jeffis proven design having flown tested last season Engineer ing features proven over years award winning Astro Jeff now Junior Wingspan 100 936 sq Weighing 50 oz wing loading comes out 77 oz per sq ft fiber-glass fuse lage plans available direct Jerry Mrlik 6730 Halyard Rd Birming ham MI 48010 Ken Bates Research II 100 bird cleverest mechanical fea tures sailplanes full-span Fowler flaps polyhedral wing dis play fully retracted fully extended cycle repeated itself three days draw ing attention passed Fowler flaps extending down ward also move aft actually creases wing chord turn creases wing area Now arent CDs glad theres no wing area class Bonnemas Antiquarian master piece building design rem iniscent mid-1930s Albatross Condor designs very close Fillons Champ 1946 Antiquarians straight lines leading trail ing edges flying surfaces Huge fillets blended fuselage wing over 1000 es used construct fillets curved egg-crate type structure pieces left observers admire since whole plane covered silk sorry about Sid dope Truly masterpiece Ed Purdys Skip Jack largest display 14 ft 4 tip tip fea tured Wortman style airfoil area 1850 sq weight 8 11 lbs wing loading will vary 10 137 oz per sq ft Gordon Pearsons Vector 1a Stan Hall designis full-scale version literally worn pilot combina tion hang glider winged leisure suit pilots legs actually hang below July1976 85 1st 2nd 3rd 4th 5th Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cu mberland Press 4926 Del Ray Avenue Bethesda Maryland 20014
Edition: Model Aviation - 1976/07
Page Numbers: 20, 84, 85
Radio Control Dan Pruss IN THE JANUARY column mentioned variations task de sign clubs individuals factors has kept competition soar ing challenging exciting Innovations regards tasks usually depar ture official rule book thin line separates rule infraction deviation cant defined However long basic rules adhered regards sailplane size weight re strictions modifications tasks practical instances healthy sport Fifth Annual North-South Chal lenge Meet proved contest annual affair between northern southern California has developed roughest fought events RC Soaring realizes some countrys best fliers concentrated Golden Stateto north southan air Martin McCoy feud bound exist hasnt developed World War III thunder hasnt caused sudden land shift Balboas pond relief us mystery few seismo graphers Rick Pearson Tom Williams San Fernando Valley Silent Flyers came up system running fifth annual bash thermal event just possibly revolutionary concept contest managing come along years contest times have victim launch down air times have seen finger being pointed sandbag ger years meet eliminated above gripes probably common soaring events what messrs Pearson Wil liams came up Four winches used launching idea launch four sailplanes time reasons safety winch numbers three would launch two four would enable four fliers launch same air task ten-minute duration ever first plane land scored 25 points secondSO third75 last land longest duration flight earned 100 points Whether air up down above system scoring used ten-minute max producing boomer earned no flier downer rendered say three minutes its best four fliers end first round score board showed contestants broken down four groups 100 75 50 25 points because unique scorecard system Williams devised next round quickly arranged score card small tile-like square bore contestants name frequency contained space scoring round beauty system fact scorecard hung mas ter scoreboard instant posting scores set up round two fliers scores 100 cards shuffled random cards again arranged groups four consideration eliminating frequency conflict being concern man-on-man oneon-one idea repeated other three groups scores 75 50 25 can readily seen group scores 100 would reduced 75 percent end round two Con versely winners round two 75- 50- 25-point categories would earn 100 points chance better standings As rounds progressed perfectly scored rounds diminished number end round fiveon second day man-on-man somehow flying person-on-flying-person doesnt have same ring competition re mained topRick Pearson talking Tom Williams since meet Monday morning analysis since new concept contest management perhaps equitable means scoring could con sidered Normalizing scores group four would allow second third fourth fliers earn scores relative winner s has continued page 84 20 Model Aviation Highlights Toledo Above left Ken Bates Research II Fowler flaps left Gordon Pear sons Vector 1 1st Scale above Neil Liptaks Quasor Ill latin sailplanes above right Astro Jeff Jr. Jerry Mrlik 2nd place best finish award Charles Kellys H Jacker shown right Sailplanes made big splash MORE wnA fl same power - ~ 40 Ko 1\ possible get good transition ground air normal tank jet 20 30 thousandths will get ballpark Just put jet piece fuel tubing slip over uni-flow vent once youve fueled tank Some suggestions others have made keep event under control would requiring tank com pletely outboard side body front portions leading edgethe latter requirement directed against swept-forward wing designs no need either 300 sq wing pro file body requirement since better turning planes pushing 400 sq way what possible harm could allowing built-up fuselage 24 length good idea rest profile thing can worms good place start argument over BId TractOr 54ech 253 43134 e63 6-4354 Pusher7 4 76 78504 each84 8-6 88664 5Y-35W4 -6 97 -36-4 10-4 10-6858 8-685811-4 11-611-81 9-610-61 RO 12-4 3 Blade Tractor72-5 12-6 150 5-35-4 6-36-4 GRISH 3 Blade Pusher 6-3508ST JOHN INDIANA 46373 interpretations Wing area profile definitions come racing events needed thats should stay AMA Fast Combat has no minimum requirement wings youll notice majority designs over 300 sq design has builtup body cowled engine planes are- lighter faster Slow Combat planes Wheels landing gear another sore point transport ing bunch models contest ants bicker over size shape whether pitman assisted airplane take-off small amount weight drag isnt worth potential hassles Prop restrictions have tried over country mixed results CAC option voting 10-6 nylon results known time 10-6 takes bite out motors would make cheaper fly since dont break often wood props bushing vs ball-bearing con troversy goes Most agreed bush ing motor could made go fast ball-bearing model wouldnt stand up long favorite equalizer would minimum weight rule such have RC Pylon Racing example lets make 30 oz minimum Slow ships could make plane super strong weight whole lot slower through turns Flat-out speeds arent affected much weight super designers now biting nails egad giant step backwards envisioned Slow Combat came about would place guy Ringmaster would have fair chance least humiliated kamikazies call Slow Combat planes planes weighed 30 oz better designed carefully built plane will still fly better less noticeable differences can fudge just about rule minimum weight rule would get time think about Combat events its supposed contest skill pilots skill first thing everyone starts thinking about get some advan tage through faster quicker planes powerful engines develop ing own skill would like fight pistol duel have other guy decide needs advantage show up machine gun response asking favorite maneuver someone Virginia said liked crash lot Send letters Charlie Johnson 3716 Ingraham St San Diego CA 92109 714 273-6530 RC Soaring/Pruss continued page 20 merit especially four fliers seconds apart has further merit high time flier ends up minutes ahead other three As sandbagging fact names sequence flying posted well advance should eliminate cause contestant make last-minute adjust ment Thermal Sniffler spoiler cables have look lost frequency clip North-South Meet called fly launch werent available could expect zero ft.r score No zeros posted Kinda amazin suddenly sailplanes staying ready-to-fly status TOLEDO1976 name Toledo has become synonomous trade show Toledo Weak Signals 22nd year can take bow sailplane display collection finest workman ship design ever no pictures will 84 Model Aviation 8 854 8-68-8 125 9610-6 104 150 ShADE\ lOSPusher Metallic Aluminum Cdr 150 CL Combat continued Pt, 21St 4264150 May 1976 EDWARD MANULKIN Prdt Hi Are going will win Sterling Award Best Scale Model 1976 Nationals Theres beautiful placque check 5100 cash goes award really has some substance Sterling Award has no strings attached Judges ones pick winner Sterling stays completely out nt have have Sterling Model win can scratch built anyones kit go just amazed reception given new Peanut Scale Model Kits Everyone has seen Kits finished models agree just tops probably best buy sarket today sure take look Rubber Motor Winder too Dealer Its dust thing youll want keep tool box pocket its 5295 cant close mentioning Waco Editor 504 enthusiastic used April cover also Field Bench type articles causing up great Take look youre hobby shop Sincerely Ed Manulkin President AMA L7 3620 G StreetPhilsdelphis Pennsylvsnis 19134USA birds justice hope builders/fliers cover enough territory summer soaring can benefit dozen sailpianes displayed top five fared way Neil Liptak Jerry Mrlik Ken Bates Ken Bonnena Ed Purdy Quasoar III Astro-Jeff Jr Research II VG Antiquarian Skip Jack Scale 1st Gordon Pearson 2nd Kevin Pearson 3rd Barry Killick Vector Kestral 19 Slingsby T-53B Best Finish Award best finish show Charles KelleyHi Jacker Liptaks Quasoar III features aspect ratio 2671 Wingspan 170 three pieces center six-foot sec tion contains three servos flaps ail erons spoilers 49-in outboard sections plug devises link aileron linkage V tail has rudder-vators Grand Esprit style Wing area 1083 sq weight 45 lbs bird white red blue trim estheti cally speaking its 14 feet sailplane poetry Mrliks Astro Jeff Jror son Astro Jeffis proven design having flown tested last season Engineer ing features proven over years award winning Astro Jeff now Junior Wingspan 100 936 sq Weighing 50 oz wing loading comes out 77 oz per sq ft fiber-glass fuse lage plans available direct Jerry Mrlik 6730 Halyard Rd Birming ham MI 48010 Ken Bates Research II 100 bird cleverest mechanical fea tures sailplanes full-span Fowler flaps polyhedral wing dis play fully retracted fully extended cycle repeated itself three days draw ing attention passed Fowler flaps extending down ward also move aft actually creases wing chord turn creases wing area Now arent CDs glad theres no wing area class Bonnemas Antiquarian master piece building design rem iniscent mid-1930s Albatross Condor designs very close Fillons Champ 1946 Antiquarians straight lines leading trail ing edges flying surfaces Huge fillets blended fuselage wing over 1000 es used construct fillets curved egg-crate type structure pieces left observers admire since whole plane covered silk sorry about Sid dope Truly masterpiece Ed Purdys Skip Jack largest display 14 ft 4 tip tip fea tured Wortman style airfoil area 1850 sq weight 8 11 lbs wing loading will vary 10 137 oz per sq ft Gordon Pearsons Vector 1a Stan Hall designis full-scale version literally worn pilot combina tion hang glider winged leisure suit pilots legs actually hang below July1976 85 1st 2nd 3rd 4th 5th Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cu mberland Press 4926 Del Ray Avenue Bethesda Maryland 20014