Duration 0 Bob Meuser 1 Record Models Scarcely Southern Cali fornia meet goes Gary Stevens brother Darryl both setting record least running off bunch trophies Most recently Gary set Senior A-Gas Hydro record Darryl Junior Outdoor Hand-Launch Glider rec ord according Gary gas models have high pylons very long tail-moment arms Wings set zero angle incidence no downthrust minimum negative incidence stab CGs about 85% Half-A models range wing area 234 300 sq weigh just over 6 oz running old-style Cox Tee Dee tapered-bore engines use 65%-nitro fuel smaller models use Cox 5 ops larger ones single-blade Cox 6 B ships have wing area about 525 sq weigh about 18 oz engines nearly 20 years old Veco 19s 201s select props limit rpm 14000 B-C ships 700 square inchers weigh 28 oz Engines stock K&B 29s 35s probably Series 61 version 65%-nitro fuel turn 9 X 4 Taipan glass props about 17000 rpm wings geodetic multi-spar construction Airfoils 10% thick have straight profile top behind spar like HL glider foil Stabs sparless covered top 1/32 balsa Japanese tissue Finish two three coats nitrate dope followed thin coat polyurethane ROW models use floats similar Hydro-Star Com petition Models kit tail incidence angle changed floats used lift floats seems get nose up enough Garys HLG record set using 18-in version dads old indoor gliders father Curt Stevens big name HL Glider decade ago models designed just build have no drawings build lots models once turned out three Half-As week different build own stuff Dad makes props builds engines helps pick good air Stevens lads also ControlLine Speed Dale Kim Joe Klause helping should see great things Nats provided can squeeze few hot laps between FF events Think Metric Back March issue harangued bit item having same title good part got left cutting room floor So Ill try again Millimeters 397 5 635 794 1 1191 1270 15 1588 1984 2 238 1 25 2778 3 3175 35 3572 3969 4 4366 45 4763 5 5159 55 5556 5953 6 6350 65 6747 7 7144 75 1 inch mm 1 mm 7 inches Inches 1/64 1/40 1/32 3/64 1/20 1/16 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 17/64 9/32 0156 0197 025 0313 0394 0469 05 059 1 0625 078 1 0787 0938 0984 1094 1181 125 1378 1406 1563 1575 1719 1772 1875 1969 2031 2165 2188 2344 2362 25 2559 2656 2756 2813 2953 table accompanying item makes easy figure out such weighty interna tional problems will 1-mm wire fit nicely 1/16-in hole 6-mm rub ber wider narrower Americanmade -in stuff having trouble metric system emphathize pro fession half calculations metric system have 30 years born English system th/nk English system Heck Im having enough trouble just converting digita/ cant use digital watch says 1045 really quarter-toeleven Wakefield Motor Tube Most Wakefield rubber-power modelers use aluminum fiberglass tubes fuselage section hous ing motor Some prefer sheet-covered square box grain running cross wise isnt blastproof tube easily repaired flat sides make less likely twist ones hand during launching prefer tube Louis Joyners way make classy Veneer tape used edging plywood also effective way reinforce rolled sheet-balsa motor tubes veneer tape available hardware stores costs less $200 l0-ft-long roll wide variety different veneers available including birch very close balsa color luan cherry walnut Standard widths 2 July1977 41 Gary left Darryl Stevens ages 14 16 have doing great things AMA Gas HI Glider events models own design left looks familiar however FAI Power Model Loverman product joint venture between current world champ Lars-G Oloffson Sweden NFFS Exec Director Hardy Broder sen result meeting 1976 NatsStructural center everything else attaches consists milled-to-profile wing pylon locked section aluminum tubing forming front part fuse lage Engine pan attaches front tube tail boom rear landing skid bottom pylon wing halves top Wing sheet covered top bottom wing spar inner wing panels Rib spacing varies /t wing root / tip Stab sparless sheet covered usual steeply raked aft rudder seen Brodersen designs has given way three-rudder layout keeping fashion past few years steep rake pylon undoubtedly serves some abstruse aero dynamic structural purpose couldnt possibly merely sake appear ance Pretty snazzy eh LOVELfl2At2 FA Power bij Lars- Oiofrson & Hardjy Pxoder5en Ci Inches aw20 10-ft-long roll just enough wrap 18-in long tube longer tubes require splice basic technique cover 4-in wide sheet 1/16-in balsa tissue give 4-5 coats clear dope blank soaked water wrapped around 1 diameter dowel rod until dry tube removed form seam glued Next first few inches tube coated outside Titebond veneer tape wrapped spirally around balsa tube Masking tape rubber bands needed keep veneer tape unwirding before glue dries Work down tube few inches time Detroit Balsa Bugs J06 Macay winds Pea nut scale Fike KOl Plans Dec 76 MA Both KOI pictures Dave Linstrum gluing wrapping veneer tape place starting angle important order have tape spiral around tube gap overlap wrapped tube dry sand dope tissue usual manfler Weight finished tube 20 long around 40 50 grams comparable th expensive etched aluminum tubes Main advantage veneer tape wrap ping prevents longitudinal splits cracks Fabulous Fike flying scale models flight duration ultimate absurdity Flying-scale models should judged according fidelity flight characteristics prototype An ap plause meter far better judge stopwatch Nevertheless flying duration persists truly outstanding performance comes along difficult ignore March issue mentioned Charlie Learoyds Nats flights over two minutes made well-worn Lacey M-I0 circles fly anything over minute usually attributed indoor thermals bad stopwatch Recent correspondence has turned up another remarkable Peanut Scale perform ance reported Bill Henn latest addition family five Fikes turned flights 251 249 its first day out would respectable time ultra-light condenser-paper covered ghost ship Bills model has ade quate scale detail covered ordinary Japanese tissuenot superfine varietyand tips scales 675 grams rubber isnt exactly what would call heavy weight can attained reasonable degree care skill construction article about Fike appeared December 1976 issue Henns version employs 1/20 sq balsa fuselage tail like the construction article wing consid erably lighter trailing edge 1/20 sq Continued page 95 42 Model Aviation cE Atlantas Jim Lewis has won first place last three Nets lightweight V-tail Quail rubber speed model failed place years King Orange International Ledgestone Dr Mt Clemens MI 48043 Wood bracing wire microfilm torque meters Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Thrust bearings beam scales balsa stripper FF Duration/Meuser continued page 42 wing has single top-surface spar also 1/20-sq material Leading edge / 16 sq eight ribs cut sandeddown 1/32 sheet 22-in loop 075-in rubber stripped material obtained FAI Supply used handcarved prop has diameter 7 pitch 133 elliptical blades model has no dihedral flies right-hand circles Without doubt Fike Lacey excellent subjects Peanut Scale models flight duration goal virtual domination event two models has led some suggest put class themselves rational approach has taken form official rules-change proposal now before Scale Contest Board cross proposalSC-78-30ABob Clemens pro poses chord peanut-scale models limited maximum 35 inchesThe Fikes Laceys have chords larger built full 13-in span limita tion first blush would seem proposed rule would prohibit such models competition Well quite meet rule span Fike would have reduced 106 would still give wing area 37 sq would still average Peanut monoplane Chances crossproposal passing seem slim especially view fact doesnt address subject basic proposal intended modify nevertheless makes lot sense agree evnt should dominated competition lowaspect-ratio models will interesting see what Henns Fike will bit vintage Pirelli after gets properly adjusted Maaid Mod Elton Drew former Nordic Glider world champ sends following information concerning Maxaid Circle Tow unit R J Latimer manufacture introduced Mk 2 Maxaid its revised non-swivelling ring connec tion thought accidental releases rendered impossible normal flying circumstances Indeed hundreds flights incident using revised arrangement confirmed impression However found rather inoppor tune occasion final Team Trials still possible release unintentionally Using two nylon tails timer start other unit latch locking connected directly hook man ner described instruction leaflet compact self-contained starter houses its own batteriesno dangling cords bulky external power source actually costs less cumber some competitive starter-plus-battery combinations Lab tested simulate years opera tion field tested wind chill factors 500Fthe GloBee Stinger rugged fast starter 1/2-A smaller engines unmatched mobility goes go High torque long-life motor develops 5000 RPM under load flywheel ac tion Resilient drive cup adapts vari ety engine sizes High impact fuel-proof case fluted firm grip integral flywheel shroud protects motor shaft bearings Anti-roll flange also serves finger stop Two rechargeable 2 VDC 25 amp-hour sealed lead acid batteries designed Stinger Recharging available charger absolutely foolproof single power connection prevents im proper terminal choice battery dam age Stinger separates two halves parts easily accessible replaceable Get GloBee Stinger today. enjoy years convenient cordless starts Special Introductory Package Price limited time Fusite will offer special introductory package price $3995 both GloBee Stinger its match ing 45 VDC Charger Check savings Take advantage introductory price offer today enjoy whole weekend model starts Suggested Retail Price GloBee Stinger ...$ 3495 45 VOC Charger..$ 795 TOTAL...$ 4290 YOU SAVE.$ 295 PACKAGE PRICE..$ 3995 July1977 95 STINGER Over 100 starts full charge DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 has found possible lines take up position flight such combined stiffness can provide suffi cient springiness lift hook out ring slack tow line situation entirely dependent relative disposi tion timer switch Maxaid unit lengths nylon tails fact difficult reproduce condition ground chances occuring flight must remote can has happened flight just unintentional release too Fortunately complete cure very easily quickly effected Simply interpose length flexible line between nylon tails hook such comes impossible stiff nylon tails spring hook ring no matter tow line inclined relative model feel confident modification renders twang hook safe other attachment system indeed probably safer would recommend its adoption twang hook user has never experienced problems theres always first time can sure its going happen will occur worst possible moment Maxaid unit available NFFS Supplies 9525 Achates Circle Sacra mento CA 95826 $850 postpaid described January Septem ber 1976 issues column Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc88 Andrews Aircraft Model Co92 Coverite86 Cox Hobbies53 Du-Bro Products Inc87 Dynamic Engineering Inc89 EK-logictrol5 Flyline Models93 Fox Mfg Company5 Fusite Emerson Electric Co95 Godfrey & Son Inc92 Carl Goldberg ModelsInside Front Cover Grish Brothers84 Herbs Model Motors90 Hobbypoxy Products81 House Balsa91 K&BMfg79 Midwest Products Company4 Morrison Repla-Tech89 Pactra Industries Inc82 Peck-Polymers89 Progress Mfg Company80 Sig Mfg Company1 Sterling Models Inc85 Tatone Products Corp22 Westport International83 Williams Brothers94 World EnginesBack Cover writing advertisers mention read about MA 96 Model Aviation
Edition: Model Aviation - 1977/07
Page Numbers: 41, 42, 95, 96
Duration 0 Bob Meuser 1 Record Models Scarcely Southern Cali fornia meet goes Gary Stevens brother Darryl both setting record least running off bunch trophies Most recently Gary set Senior A-Gas Hydro record Darryl Junior Outdoor Hand-Launch Glider rec ord according Gary gas models have high pylons very long tail-moment arms Wings set zero angle incidence no downthrust minimum negative incidence stab CGs about 85% Half-A models range wing area 234 300 sq weigh just over 6 oz running old-style Cox Tee Dee tapered-bore engines use 65%-nitro fuel smaller models use Cox 5 ops larger ones single-blade Cox 6 B ships have wing area about 525 sq weigh about 18 oz engines nearly 20 years old Veco 19s 201s select props limit rpm 14000 B-C ships 700 square inchers weigh 28 oz Engines stock K&B 29s 35s probably Series 61 version 65%-nitro fuel turn 9 X 4 Taipan glass props about 17000 rpm wings geodetic multi-spar construction Airfoils 10% thick have straight profile top behind spar like HL glider foil Stabs sparless covered top 1/32 balsa Japanese tissue Finish two three coats nitrate dope followed thin coat polyurethane ROW models use floats similar Hydro-Star Com petition Models kit tail incidence angle changed floats used lift floats seems get nose up enough Garys HLG record set using 18-in version dads old indoor gliders father Curt Stevens big name HL Glider decade ago models designed just build have no drawings build lots models once turned out three Half-As week different build own stuff Dad makes props builds engines helps pick good air Stevens lads also ControlLine Speed Dale Kim Joe Klause helping should see great things Nats provided can squeeze few hot laps between FF events Think Metric Back March issue harangued bit item having same title good part got left cutting room floor So Ill try again Millimeters 397 5 635 794 1 1191 1270 15 1588 1984 2 238 1 25 2778 3 3175 35 3572 3969 4 4366 45 4763 5 5159 55 5556 5953 6 6350 65 6747 7 7144 75 1 inch mm 1 mm 7 inches Inches 1/64 1/40 1/32 3/64 1/20 1/16 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 17/64 9/32 0156 0197 025 0313 0394 0469 05 059 1 0625 078 1 0787 0938 0984 1094 1181 125 1378 1406 1563 1575 1719 1772 1875 1969 2031 2165 2188 2344 2362 25 2559 2656 2756 2813 2953 table accompanying item makes easy figure out such weighty interna tional problems will 1-mm wire fit nicely 1/16-in hole 6-mm rub ber wider narrower Americanmade -in stuff having trouble metric system emphathize pro fession half calculations metric system have 30 years born English system th/nk English system Heck Im having enough trouble just converting digita/ cant use digital watch says 1045 really quarter-toeleven Wakefield Motor Tube Most Wakefield rubber-power modelers use aluminum fiberglass tubes fuselage section hous ing motor Some prefer sheet-covered square box grain running cross wise isnt blastproof tube easily repaired flat sides make less likely twist ones hand during launching prefer tube Louis Joyners way make classy Veneer tape used edging plywood also effective way reinforce rolled sheet-balsa motor tubes veneer tape available hardware stores costs less $200 l0-ft-long roll wide variety different veneers available including birch very close balsa color luan cherry walnut Standard widths 2 July1977 41 Gary left Darryl Stevens ages 14 16 have doing great things AMA Gas HI Glider events models own design left looks familiar however FAI Power Model Loverman product joint venture between current world champ Lars-G Oloffson Sweden NFFS Exec Director Hardy Broder sen result meeting 1976 NatsStructural center everything else attaches consists milled-to-profile wing pylon locked section aluminum tubing forming front part fuse lage Engine pan attaches front tube tail boom rear landing skid bottom pylon wing halves top Wing sheet covered top bottom wing spar inner wing panels Rib spacing varies /t wing root / tip Stab sparless sheet covered usual steeply raked aft rudder seen Brodersen designs has given way three-rudder layout keeping fashion past few years steep rake pylon undoubtedly serves some abstruse aero dynamic structural purpose couldnt possibly merely sake appear ance Pretty snazzy eh LOVELfl2At2 FA Power bij Lars- Oiofrson & Hardjy Pxoder5en Ci Inches aw20 10-ft-long roll just enough wrap 18-in long tube longer tubes require splice basic technique cover 4-in wide sheet 1/16-in balsa tissue give 4-5 coats clear dope blank soaked water wrapped around 1 diameter dowel rod until dry tube removed form seam glued Next first few inches tube coated outside Titebond veneer tape wrapped spirally around balsa tube Masking tape rubber bands needed keep veneer tape unwirding before glue dries Work down tube few inches time Detroit Balsa Bugs J06 Macay winds Pea nut scale Fike KOl Plans Dec 76 MA Both KOI pictures Dave Linstrum gluing wrapping veneer tape place starting angle important order have tape spiral around tube gap overlap wrapped tube dry sand dope tissue usual manfler Weight finished tube 20 long around 40 50 grams comparable th expensive etched aluminum tubes Main advantage veneer tape wrap ping prevents longitudinal splits cracks Fabulous Fike flying scale models flight duration ultimate absurdity Flying-scale models should judged according fidelity flight characteristics prototype An ap plause meter far better judge stopwatch Nevertheless flying duration persists truly outstanding performance comes along difficult ignore March issue mentioned Charlie Learoyds Nats flights over two minutes made well-worn Lacey M-I0 circles fly anything over minute usually attributed indoor thermals bad stopwatch Recent correspondence has turned up another remarkable Peanut Scale perform ance reported Bill Henn latest addition family five Fikes turned flights 251 249 its first day out would respectable time ultra-light condenser-paper covered ghost ship Bills model has ade quate scale detail covered ordinary Japanese tissuenot superfine varietyand tips scales 675 grams rubber isnt exactly what would call heavy weight can attained reasonable degree care skill construction article about Fike appeared December 1976 issue Henns version employs 1/20 sq balsa fuselage tail like the construction article wing consid erably lighter trailing edge 1/20 sq Continued page 95 42 Model Aviation cE Atlantas Jim Lewis has won first place last three Nets lightweight V-tail Quail rubber speed model failed place years King Orange International Ledgestone Dr Mt Clemens MI 48043 Wood bracing wire microfilm torque meters Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Thrust bearings beam scales balsa stripper FF Duration/Meuser continued page 42 wing has single top-surface spar also 1/20-sq material Leading edge / 16 sq eight ribs cut sandeddown 1/32 sheet 22-in loop 075-in rubber stripped material obtained FAI Supply used handcarved prop has diameter 7 pitch 133 elliptical blades model has no dihedral flies right-hand circles Without doubt Fike Lacey excellent subjects Peanut Scale models flight duration goal virtual domination event two models has led some suggest put class themselves rational approach has taken form official rules-change proposal now before Scale Contest Board cross proposalSC-78-30ABob Clemens pro poses chord peanut-scale models limited maximum 35 inchesThe Fikes Laceys have chords larger built full 13-in span limita tion first blush would seem proposed rule would prohibit such models competition Well quite meet rule span Fike would have reduced 106 would still give wing area 37 sq would still average Peanut monoplane Chances crossproposal passing seem slim especially view fact doesnt address subject basic proposal intended modify nevertheless makes lot sense agree evnt should dominated competition lowaspect-ratio models will interesting see what Henns Fike will bit vintage Pirelli after gets properly adjusted Maaid Mod Elton Drew former Nordic Glider world champ sends following information concerning Maxaid Circle Tow unit R J Latimer manufacture introduced Mk 2 Maxaid its revised non-swivelling ring connec tion thought accidental releases rendered impossible normal flying circumstances Indeed hundreds flights incident using revised arrangement confirmed impression However found rather inoppor tune occasion final Team Trials still possible release unintentionally Using two nylon tails timer start other unit latch locking connected directly hook man ner described instruction leaflet compact self-contained starter houses its own batteriesno dangling cords bulky external power source actually costs less cumber some competitive starter-plus-battery combinations Lab tested simulate years opera tion field tested wind chill factors 500Fthe GloBee Stinger rugged fast starter 1/2-A smaller engines unmatched mobility goes go High torque long-life motor develops 5000 RPM under load flywheel ac tion Resilient drive cup adapts vari ety engine sizes High impact fuel-proof case fluted firm grip integral flywheel shroud protects motor shaft bearings Anti-roll flange also serves finger stop Two rechargeable 2 VDC 25 amp-hour sealed lead acid batteries designed Stinger Recharging available charger absolutely foolproof single power connection prevents im proper terminal choice battery dam age Stinger separates two halves parts easily accessible replaceable Get GloBee Stinger today. enjoy years convenient cordless starts Special Introductory Package Price limited time Fusite will offer special introductory package price $3995 both GloBee Stinger its match ing 45 VDC Charger Check savings Take advantage introductory price offer today enjoy whole weekend model starts Suggested Retail Price GloBee Stinger ...$ 3495 45 VOC Charger..$ 795 TOTAL...$ 4290 YOU SAVE.$ 295 PACKAGE PRICE..$ 3995 July1977 95 STINGER Over 100 starts full charge DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 has found possible lines take up position flight such combined stiffness can provide suffi cient springiness lift hook out ring slack tow line situation entirely dependent relative disposi tion timer switch Maxaid unit lengths nylon tails fact difficult reproduce condition ground chances occuring flight must remote can has happened flight just unintentional release too Fortunately complete cure very easily quickly effected Simply interpose length flexible line between nylon tails hook such comes impossible stiff nylon tails spring hook ring no matter tow line inclined relative model feel confident modification renders twang hook safe other attachment system indeed probably safer would recommend its adoption twang hook user has never experienced problems theres always first time can sure its going happen will occur worst possible moment Maxaid unit available NFFS Supplies 9525 Achates Circle Sacra mento CA 95826 $850 postpaid described January Septem ber 1976 issues column Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc88 Andrews Aircraft Model Co92 Coverite86 Cox Hobbies53 Du-Bro Products Inc87 Dynamic Engineering Inc89 EK-logictrol5 Flyline Models93 Fox Mfg Company5 Fusite Emerson Electric Co95 Godfrey & Son Inc92 Carl Goldberg ModelsInside Front Cover Grish Brothers84 Herbs Model Motors90 Hobbypoxy Products81 House Balsa91 K&BMfg79 Midwest Products Company4 Morrison Repla-Tech89 Pactra Industries Inc82 Peck-Polymers89 Progress Mfg Company80 Sig Mfg Company1 Sterling Models Inc85 Tatone Products Corp22 Westport International83 Williams Brothers94 World EnginesBack Cover writing advertisers mention read about MA 96 Model Aviation
Edition: Model Aviation - 1977/07
Page Numbers: 41, 42, 95, 96
Duration 0 Bob Meuser 1 Record Models Scarcely Southern Cali fornia meet goes Gary Stevens brother Darryl both setting record least running off bunch trophies Most recently Gary set Senior A-Gas Hydro record Darryl Junior Outdoor Hand-Launch Glider rec ord according Gary gas models have high pylons very long tail-moment arms Wings set zero angle incidence no downthrust minimum negative incidence stab CGs about 85% Half-A models range wing area 234 300 sq weigh just over 6 oz running old-style Cox Tee Dee tapered-bore engines use 65%-nitro fuel smaller models use Cox 5 ops larger ones single-blade Cox 6 B ships have wing area about 525 sq weigh about 18 oz engines nearly 20 years old Veco 19s 201s select props limit rpm 14000 B-C ships 700 square inchers weigh 28 oz Engines stock K&B 29s 35s probably Series 61 version 65%-nitro fuel turn 9 X 4 Taipan glass props about 17000 rpm wings geodetic multi-spar construction Airfoils 10% thick have straight profile top behind spar like HL glider foil Stabs sparless covered top 1/32 balsa Japanese tissue Finish two three coats nitrate dope followed thin coat polyurethane ROW models use floats similar Hydro-Star Com petition Models kit tail incidence angle changed floats used lift floats seems get nose up enough Garys HLG record set using 18-in version dads old indoor gliders father Curt Stevens big name HL Glider decade ago models designed just build have no drawings build lots models once turned out three Half-As week different build own stuff Dad makes props builds engines helps pick good air Stevens lads also ControlLine Speed Dale Kim Joe Klause helping should see great things Nats provided can squeeze few hot laps between FF events Think Metric Back March issue harangued bit item having same title good part got left cutting room floor So Ill try again Millimeters 397 5 635 794 1 1191 1270 15 1588 1984 2 238 1 25 2778 3 3175 35 3572 3969 4 4366 45 4763 5 5159 55 5556 5953 6 6350 65 6747 7 7144 75 1 inch mm 1 mm 7 inches Inches 1/64 1/40 1/32 3/64 1/20 1/16 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 17/64 9/32 0156 0197 025 0313 0394 0469 05 059 1 0625 078 1 0787 0938 0984 1094 1181 125 1378 1406 1563 1575 1719 1772 1875 1969 2031 2165 2188 2344 2362 25 2559 2656 2756 2813 2953 table accompanying item makes easy figure out such weighty interna tional problems will 1-mm wire fit nicely 1/16-in hole 6-mm rub ber wider narrower Americanmade -in stuff having trouble metric system emphathize pro fession half calculations metric system have 30 years born English system th/nk English system Heck Im having enough trouble just converting digita/ cant use digital watch says 1045 really quarter-toeleven Wakefield Motor Tube Most Wakefield rubber-power modelers use aluminum fiberglass tubes fuselage section hous ing motor Some prefer sheet-covered square box grain running cross wise isnt blastproof tube easily repaired flat sides make less likely twist ones hand during launching prefer tube Louis Joyners way make classy Veneer tape used edging plywood also effective way reinforce rolled sheet-balsa motor tubes veneer tape available hardware stores costs less $200 l0-ft-long roll wide variety different veneers available including birch very close balsa color luan cherry walnut Standard widths 2 July1977 41 Gary left Darryl Stevens ages 14 16 have doing great things AMA Gas HI Glider events models own design left looks familiar however FAI Power Model Loverman product joint venture between current world champ Lars-G Oloffson Sweden NFFS Exec Director Hardy Broder sen result meeting 1976 NatsStructural center everything else attaches consists milled-to-profile wing pylon locked section aluminum tubing forming front part fuse lage Engine pan attaches front tube tail boom rear landing skid bottom pylon wing halves top Wing sheet covered top bottom wing spar inner wing panels Rib spacing varies /t wing root / tip Stab sparless sheet covered usual steeply raked aft rudder seen Brodersen designs has given way three-rudder layout keeping fashion past few years steep rake pylon undoubtedly serves some abstruse aero dynamic structural purpose couldnt possibly merely sake appear ance Pretty snazzy eh LOVELfl2At2 FA Power bij Lars- Oiofrson & Hardjy Pxoder5en Ci Inches aw20 10-ft-long roll just enough wrap 18-in long tube longer tubes require splice basic technique cover 4-in wide sheet 1/16-in balsa tissue give 4-5 coats clear dope blank soaked water wrapped around 1 diameter dowel rod until dry tube removed form seam glued Next first few inches tube coated outside Titebond veneer tape wrapped spirally around balsa tube Masking tape rubber bands needed keep veneer tape unwirding before glue dries Work down tube few inches time Detroit Balsa Bugs J06 Macay winds Pea nut scale Fike KOl Plans Dec 76 MA Both KOI pictures Dave Linstrum gluing wrapping veneer tape place starting angle important order have tape spiral around tube gap overlap wrapped tube dry sand dope tissue usual manfler Weight finished tube 20 long around 40 50 grams comparable th expensive etched aluminum tubes Main advantage veneer tape wrap ping prevents longitudinal splits cracks Fabulous Fike flying scale models flight duration ultimate absurdity Flying-scale models should judged according fidelity flight characteristics prototype An ap plause meter far better judge stopwatch Nevertheless flying duration persists truly outstanding performance comes along difficult ignore March issue mentioned Charlie Learoyds Nats flights over two minutes made well-worn Lacey M-I0 circles fly anything over minute usually attributed indoor thermals bad stopwatch Recent correspondence has turned up another remarkable Peanut Scale perform ance reported Bill Henn latest addition family five Fikes turned flights 251 249 its first day out would respectable time ultra-light condenser-paper covered ghost ship Bills model has ade quate scale detail covered ordinary Japanese tissuenot superfine varietyand tips scales 675 grams rubber isnt exactly what would call heavy weight can attained reasonable degree care skill construction article about Fike appeared December 1976 issue Henns version employs 1/20 sq balsa fuselage tail like the construction article wing consid erably lighter trailing edge 1/20 sq Continued page 95 42 Model Aviation cE Atlantas Jim Lewis has won first place last three Nets lightweight V-tail Quail rubber speed model failed place years King Orange International Ledgestone Dr Mt Clemens MI 48043 Wood bracing wire microfilm torque meters Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Thrust bearings beam scales balsa stripper FF Duration/Meuser continued page 42 wing has single top-surface spar also 1/20-sq material Leading edge / 16 sq eight ribs cut sandeddown 1/32 sheet 22-in loop 075-in rubber stripped material obtained FAI Supply used handcarved prop has diameter 7 pitch 133 elliptical blades model has no dihedral flies right-hand circles Without doubt Fike Lacey excellent subjects Peanut Scale models flight duration goal virtual domination event two models has led some suggest put class themselves rational approach has taken form official rules-change proposal now before Scale Contest Board cross proposalSC-78-30ABob Clemens pro poses chord peanut-scale models limited maximum 35 inchesThe Fikes Laceys have chords larger built full 13-in span limita tion first blush would seem proposed rule would prohibit such models competition Well quite meet rule span Fike would have reduced 106 would still give wing area 37 sq would still average Peanut monoplane Chances crossproposal passing seem slim especially view fact doesnt address subject basic proposal intended modify nevertheless makes lot sense agree evnt should dominated competition lowaspect-ratio models will interesting see what Henns Fike will bit vintage Pirelli after gets properly adjusted Maaid Mod Elton Drew former Nordic Glider world champ sends following information concerning Maxaid Circle Tow unit R J Latimer manufacture introduced Mk 2 Maxaid its revised non-swivelling ring connec tion thought accidental releases rendered impossible normal flying circumstances Indeed hundreds flights incident using revised arrangement confirmed impression However found rather inoppor tune occasion final Team Trials still possible release unintentionally Using two nylon tails timer start other unit latch locking connected directly hook man ner described instruction leaflet compact self-contained starter houses its own batteriesno dangling cords bulky external power source actually costs less cumber some competitive starter-plus-battery combinations Lab tested simulate years opera tion field tested wind chill factors 500Fthe GloBee Stinger rugged fast starter 1/2-A smaller engines unmatched mobility goes go High torque long-life motor develops 5000 RPM under load flywheel ac tion Resilient drive cup adapts vari ety engine sizes High impact fuel-proof case fluted firm grip integral flywheel shroud protects motor shaft bearings Anti-roll flange also serves finger stop Two rechargeable 2 VDC 25 amp-hour sealed lead acid batteries designed Stinger Recharging available charger absolutely foolproof single power connection prevents im proper terminal choice battery dam age Stinger separates two halves parts easily accessible replaceable Get GloBee Stinger today. enjoy years convenient cordless starts Special Introductory Package Price limited time Fusite will offer special introductory package price $3995 both GloBee Stinger its match ing 45 VDC Charger Check savings Take advantage introductory price offer today enjoy whole weekend model starts Suggested Retail Price GloBee Stinger ...$ 3495 45 VOC Charger..$ 795 TOTAL...$ 4290 YOU SAVE.$ 295 PACKAGE PRICE..$ 3995 July1977 95 STINGER Over 100 starts full charge DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 has found possible lines take up position flight such combined stiffness can provide suffi cient springiness lift hook out ring slack tow line situation entirely dependent relative disposi tion timer switch Maxaid unit lengths nylon tails fact difficult reproduce condition ground chances occuring flight must remote can has happened flight just unintentional release too Fortunately complete cure very easily quickly effected Simply interpose length flexible line between nylon tails hook such comes impossible stiff nylon tails spring hook ring no matter tow line inclined relative model feel confident modification renders twang hook safe other attachment system indeed probably safer would recommend its adoption twang hook user has never experienced problems theres always first time can sure its going happen will occur worst possible moment Maxaid unit available NFFS Supplies 9525 Achates Circle Sacra mento CA 95826 $850 postpaid described January Septem ber 1976 issues column Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc88 Andrews Aircraft Model Co92 Coverite86 Cox Hobbies53 Du-Bro Products Inc87 Dynamic Engineering Inc89 EK-logictrol5 Flyline Models93 Fox Mfg Company5 Fusite Emerson Electric Co95 Godfrey & Son Inc92 Carl Goldberg ModelsInside Front Cover Grish Brothers84 Herbs Model Motors90 Hobbypoxy Products81 House Balsa91 K&BMfg79 Midwest Products Company4 Morrison Repla-Tech89 Pactra Industries Inc82 Peck-Polymers89 Progress Mfg Company80 Sig Mfg Company1 Sterling Models Inc85 Tatone Products Corp22 Westport International83 Williams Brothers94 World EnginesBack Cover writing advertisers mention read about MA 96 Model Aviation
Edition: Model Aviation - 1977/07
Page Numbers: 41, 42, 95, 96
Duration 0 Bob Meuser 1 Record Models Scarcely Southern Cali fornia meet goes Gary Stevens brother Darryl both setting record least running off bunch trophies Most recently Gary set Senior A-Gas Hydro record Darryl Junior Outdoor Hand-Launch Glider rec ord according Gary gas models have high pylons very long tail-moment arms Wings set zero angle incidence no downthrust minimum negative incidence stab CGs about 85% Half-A models range wing area 234 300 sq weigh just over 6 oz running old-style Cox Tee Dee tapered-bore engines use 65%-nitro fuel smaller models use Cox 5 ops larger ones single-blade Cox 6 B ships have wing area about 525 sq weigh about 18 oz engines nearly 20 years old Veco 19s 201s select props limit rpm 14000 B-C ships 700 square inchers weigh 28 oz Engines stock K&B 29s 35s probably Series 61 version 65%-nitro fuel turn 9 X 4 Taipan glass props about 17000 rpm wings geodetic multi-spar construction Airfoils 10% thick have straight profile top behind spar like HL glider foil Stabs sparless covered top 1/32 balsa Japanese tissue Finish two three coats nitrate dope followed thin coat polyurethane ROW models use floats similar Hydro-Star Com petition Models kit tail incidence angle changed floats used lift floats seems get nose up enough Garys HLG record set using 18-in version dads old indoor gliders father Curt Stevens big name HL Glider decade ago models designed just build have no drawings build lots models once turned out three Half-As week different build own stuff Dad makes props builds engines helps pick good air Stevens lads also ControlLine Speed Dale Kim Joe Klause helping should see great things Nats provided can squeeze few hot laps between FF events Think Metric Back March issue harangued bit item having same title good part got left cutting room floor So Ill try again Millimeters 397 5 635 794 1 1191 1270 15 1588 1984 2 238 1 25 2778 3 3175 35 3572 3969 4 4366 45 4763 5 5159 55 5556 5953 6 6350 65 6747 7 7144 75 1 inch mm 1 mm 7 inches Inches 1/64 1/40 1/32 3/64 1/20 1/16 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 17/64 9/32 0156 0197 025 0313 0394 0469 05 059 1 0625 078 1 0787 0938 0984 1094 1181 125 1378 1406 1563 1575 1719 1772 1875 1969 2031 2165 2188 2344 2362 25 2559 2656 2756 2813 2953 table accompanying item makes easy figure out such weighty interna tional problems will 1-mm wire fit nicely 1/16-in hole 6-mm rub ber wider narrower Americanmade -in stuff having trouble metric system emphathize pro fession half calculations metric system have 30 years born English system th/nk English system Heck Im having enough trouble just converting digita/ cant use digital watch says 1045 really quarter-toeleven Wakefield Motor Tube Most Wakefield rubber-power modelers use aluminum fiberglass tubes fuselage section hous ing motor Some prefer sheet-covered square box grain running cross wise isnt blastproof tube easily repaired flat sides make less likely twist ones hand during launching prefer tube Louis Joyners way make classy Veneer tape used edging plywood also effective way reinforce rolled sheet-balsa motor tubes veneer tape available hardware stores costs less $200 l0-ft-long roll wide variety different veneers available including birch very close balsa color luan cherry walnut Standard widths 2 July1977 41 Gary left Darryl Stevens ages 14 16 have doing great things AMA Gas HI Glider events models own design left looks familiar however FAI Power Model Loverman product joint venture between current world champ Lars-G Oloffson Sweden NFFS Exec Director Hardy Broder sen result meeting 1976 NatsStructural center everything else attaches consists milled-to-profile wing pylon locked section aluminum tubing forming front part fuse lage Engine pan attaches front tube tail boom rear landing skid bottom pylon wing halves top Wing sheet covered top bottom wing spar inner wing panels Rib spacing varies /t wing root / tip Stab sparless sheet covered usual steeply raked aft rudder seen Brodersen designs has given way three-rudder layout keeping fashion past few years steep rake pylon undoubtedly serves some abstruse aero dynamic structural purpose couldnt possibly merely sake appear ance Pretty snazzy eh LOVELfl2At2 FA Power bij Lars- Oiofrson & Hardjy Pxoder5en Ci Inches aw20 10-ft-long roll just enough wrap 18-in long tube longer tubes require splice basic technique cover 4-in wide sheet 1/16-in balsa tissue give 4-5 coats clear dope blank soaked water wrapped around 1 diameter dowel rod until dry tube removed form seam glued Next first few inches tube coated outside Titebond veneer tape wrapped spirally around balsa tube Masking tape rubber bands needed keep veneer tape unwirding before glue dries Work down tube few inches time Detroit Balsa Bugs J06 Macay winds Pea nut scale Fike KOl Plans Dec 76 MA Both KOI pictures Dave Linstrum gluing wrapping veneer tape place starting angle important order have tape spiral around tube gap overlap wrapped tube dry sand dope tissue usual manfler Weight finished tube 20 long around 40 50 grams comparable th expensive etched aluminum tubes Main advantage veneer tape wrap ping prevents longitudinal splits cracks Fabulous Fike flying scale models flight duration ultimate absurdity Flying-scale models should judged according fidelity flight characteristics prototype An ap plause meter far better judge stopwatch Nevertheless flying duration persists truly outstanding performance comes along difficult ignore March issue mentioned Charlie Learoyds Nats flights over two minutes made well-worn Lacey M-I0 circles fly anything over minute usually attributed indoor thermals bad stopwatch Recent correspondence has turned up another remarkable Peanut Scale perform ance reported Bill Henn latest addition family five Fikes turned flights 251 249 its first day out would respectable time ultra-light condenser-paper covered ghost ship Bills model has ade quate scale detail covered ordinary Japanese tissuenot superfine varietyand tips scales 675 grams rubber isnt exactly what would call heavy weight can attained reasonable degree care skill construction article about Fike appeared December 1976 issue Henns version employs 1/20 sq balsa fuselage tail like the construction article wing consid erably lighter trailing edge 1/20 sq Continued page 95 42 Model Aviation cE Atlantas Jim Lewis has won first place last three Nets lightweight V-tail Quail rubber speed model failed place years King Orange International Ledgestone Dr Mt Clemens MI 48043 Wood bracing wire microfilm torque meters Ray Harlan 15 Happy Hollow Rd Wayland MA 01778 Thrust bearings beam scales balsa stripper FF Duration/Meuser continued page 42 wing has single top-surface spar also 1/20-sq material Leading edge / 16 sq eight ribs cut sandeddown 1/32 sheet 22-in loop 075-in rubber stripped material obtained FAI Supply used handcarved prop has diameter 7 pitch 133 elliptical blades model has no dihedral flies right-hand circles Without doubt Fike Lacey excellent subjects Peanut Scale models flight duration goal virtual domination event two models has led some suggest put class themselves rational approach has taken form official rules-change proposal now before Scale Contest Board cross proposalSC-78-30ABob Clemens pro poses chord peanut-scale models limited maximum 35 inchesThe Fikes Laceys have chords larger built full 13-in span limita tion first blush would seem proposed rule would prohibit such models competition Well quite meet rule span Fike would have reduced 106 would still give wing area 37 sq would still average Peanut monoplane Chances crossproposal passing seem slim especially view fact doesnt address subject basic proposal intended modify nevertheless makes lot sense agree evnt should dominated competition lowaspect-ratio models will interesting see what Henns Fike will bit vintage Pirelli after gets properly adjusted Maaid Mod Elton Drew former Nordic Glider world champ sends following information concerning Maxaid Circle Tow unit R J Latimer manufacture introduced Mk 2 Maxaid its revised non-swivelling ring connec tion thought accidental releases rendered impossible normal flying circumstances Indeed hundreds flights incident using revised arrangement confirmed impression However found rather inoppor tune occasion final Team Trials still possible release unintentionally Using two nylon tails timer start other unit latch locking connected directly hook man ner described instruction leaflet compact self-contained starter houses its own batteriesno dangling cords bulky external power source actually costs less cumber some competitive starter-plus-battery combinations Lab tested simulate years opera tion field tested wind chill factors 500Fthe GloBee Stinger rugged fast starter 1/2-A smaller engines unmatched mobility goes go High torque long-life motor develops 5000 RPM under load flywheel ac tion Resilient drive cup adapts vari ety engine sizes High impact fuel-proof case fluted firm grip integral flywheel shroud protects motor shaft bearings Anti-roll flange also serves finger stop Two rechargeable 2 VDC 25 amp-hour sealed lead acid batteries designed Stinger Recharging available charger absolutely foolproof single power connection prevents im proper terminal choice battery dam age Stinger separates two halves parts easily accessible replaceable Get GloBee Stinger today. enjoy years convenient cordless starts Special Introductory Package Price limited time Fusite will offer special introductory package price $3995 both GloBee Stinger its match ing 45 VDC Charger Check savings Take advantage introductory price offer today enjoy whole weekend model starts Suggested Retail Price GloBee Stinger ...$ 3495 45 VOC Charger..$ 795 TOTAL...$ 4290 YOU SAVE.$ 295 PACKAGE PRICE..$ 3995 July1977 95 STINGER Over 100 starts full charge DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 has found possible lines take up position flight such combined stiffness can provide suffi cient springiness lift hook out ring slack tow line situation entirely dependent relative disposi tion timer switch Maxaid unit lengths nylon tails fact difficult reproduce condition ground chances occuring flight must remote can has happened flight just unintentional release too Fortunately complete cure very easily quickly effected Simply interpose length flexible line between nylon tails hook such comes impossible stiff nylon tails spring hook ring no matter tow line inclined relative model feel confident modification renders twang hook safe other attachment system indeed probably safer would recommend its adoption twang hook user has never experienced problems theres always first time can sure its going happen will occur worst possible moment Maxaid unit available NFFS Supplies 9525 Achates Circle Sacra mento CA 95826 $850 postpaid described January Septem ber 1976 issues column Bob Meuser 4200 Gregory St. Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc88 Andrews Aircraft Model Co92 Coverite86 Cox Hobbies53 Du-Bro Products Inc87 Dynamic Engineering Inc89 EK-logictrol5 Flyline Models93 Fox Mfg Company5 Fusite Emerson Electric Co95 Godfrey & Son Inc92 Carl Goldberg ModelsInside Front Cover Grish Brothers84 Herbs Model Motors90 Hobbypoxy Products81 House Balsa91 K&BMfg79 Midwest Products Company4 Morrison Repla-Tech89 Pactra Industries Inc82 Peck-Polymers89 Progress Mfg Company80 Sig Mfg Company1 Sterling Models Inc85 Tatone Products Corp22 Westport International83 Williams Brothers94 World EnginesBack Cover writing advertisers mention read about MA 96 Model Aviation