U Pylon Racing E] Dave Lane BY THE TIME read months col umn will aware rule change Quarter Midget allows modified props am sure dedicated pylon racer seventh heaven because rule change us did want see change just head ache have endure want race have done some experimenting props since rule change does make difference performance engines started 7-SN cut diameter 6 inches rounded tip leading edge sanded ree washout back side blades See Fig 1 Stock Tip Modified Tip Stock Modified sand washout auto matically will narrow blade sure blade same balance propeller reshaping process finished able get addi tional 1500 rpm Rossi tech nique Unfortunately start trun ing 15s constant 22500 line unload 24 26000 air life engine probably going cut half What happened expensive Quarter Midget event weekend racer have noticed lately Quarter Midget competitor shows up race least two spare engines backup airplane Some guys have box full engines Yet original intent Quarter Midget have relaxed inexpensive way racing guy wasnt interested out competi tion event Formula became seems boil down fact put race title event average flier left out competition need pylon event average modeler flier can compete feel has have expertise modify props engines order competitive must enough fliers out modeling world have fun racing event allows stock en gines propellers fuel rules will keep cost racing minimum course major problem estab lishing such event getting enough peo ple together draw up set rules govern event type event Continued page 91 26 Model Aviation John Rouse between heats 77 Nats gives go section thorough checking over Its Prather Products Little Toni Formula racer powered Supertigre X40 engine Dispensing fuel Lee Helsels Little Toni Robert Sonheim Rossi 15 Rev-Up 7-SN prop John Creaghs 1977 Nats QM Pylon entry Cox15-powered Little Toni P&P kit brought rotor speed up lifted Heli-Boy straight off no dancing skidding around spent cou ple minutes checkout hovering suddenly gave full collective Heli-Boy literally shot sky about hundred feet made very tight turn just rapidly dropped down couple feet stopped no engine loading no tail waggle shoved stick forward Heli-Boy came life high speed flew upwind downwind 20 30 feet altitude doing perfectly round loops no loss head ing altitude no blade flapping Rolls axial no loss heading altitude fact did loops rolls no flight set-up simply pulled back cyclic looped same rolls did stall turns 3-360 degree ro tation way down starting 50 feet pulling out 20 feet did right lefthand high speed turns heli copters own length set maneuvers Heli-Boy brought back hands-off hover did touchand-go landings skidding helicopter 50 feet runway flat its skids takeoffs like airplane did bows dances ground absolutely perfect control During flying never flew over spectator area field before few fixed-wing pilots men tioned before suddenly realized never seen anything like before full questions cannot begin tell did day next day large portion Florida R/G Helicopter Club present well some 300 spectators con tinually applauded Mr Schulter flew top pleasure entertaining Mr Mrs Schluter evening home long discus sions background RC helicopters future interesting hear firsthand about development RC helicopers has copied world over little no recognition efforts can get things Mr Schluter impressed upon helicopter easiest helicopter learn fly will maneuvers right out box no mods have selling like hot cakes Europe some seven months time read will available several sources country Trying hard enough Just word about trying hard enough have friend Lakeland Florida named Bobby Daniels paralyzed waist down has no use of fingers gets around wheelchair builds flies RC helicopters runs hobby store dont know what else also fine friend tries hard enough fliesso feel like cannot get getherthink about Bobby Walt Schoonard 2080 Sharon Road Winter Park FL 32789 RC Pylon/Lane continued page 26 mind would allow airplane 600 sq in wing area minimum five pounds weight fuselage should have canopy cockpit pilot airplane should have least three wheels steerable ground control three wheels would fixed no retracts should minimum fuselage cross section measurement eliminate super speed ships similar appearing now l/2A racing would leave wing alone except require center section inch thick high point minimum 600 sq total area including part passes through fuselage part constitutes filet airplane may scale modeler desires mandatory Safety would major factor models would have pass technical inspection ensure proper radio engine com March 1978 91 ThO Ultimate Finish K Q rinrnii covering toughest weave use poly Excellent contourmake easy ts apply .rves 3 weights 38 wide LIGHT LOTH wood air planescover 100% MEDIUM 2 02 CLOTH increasing structural strength around fillets nose interior plane HEAVY 6 02 CLOTH joining wings molding Own parts K & 8 SUPER POXY RESINfor sealing applying glass cloth Created include characteristics desirable resin its applicatron Easily wurkable Requires minimum sanding Little clogging sand paper Curing time adjustable amount catalyst Durable Does become brittle 1 OT CAH including catalyst DU-BRO KWIK- PUMP GPINNER Convert Kwiku Fill Fuel Pump Electric Starter Operation $295 Pump fuel faster easier ever before new Kwik-Pump spinner Simply remove handle screw aluminum spinner Lock place nut youre ready pump fuel electric starter de-fuel change polarity starter wind handle back de-fuel manually Its easy thatll DU-BRO PRODUCTS INCORPORATED 480 Banner Road Wauconda IllInois 60064 USA ponent installations engine would have stock out box unit non-Schnuerle front-rotor design 45 cubic inch propellers would non-racing configuration probably sup plied hosting sponsoring organ ization holding contest Fuel would also fall category As can see am trying promote event would guy would like race necessarily want get specialized cant fly plane fun other non-racing event might like compete picked 600 sq size reason size airplane reason ably easy transport fly ing field non-Schnuerle front-rotor engines expensive pro hibitive price mild fuel stock props should last season dont crash sure beats launch ing engine race heat As stated before Jack Stafford Mod els considering 800 sq Brown B-3 would 60 class racing similar Class CB Enterprises has started 800 sq Formula type aircraft aircraft will de signed want AMA scale bird can put detail hearts content basic outline will full scale Jack will probably offer kit same manner offers Quarter Midget foam wing build-up wing whichever turns Kick around suggestion above mentioned ~fun type racing class let know what think am sure plenty modelers fliers out have some good ideas class racing event Remember need event will bring new blood racing fraternity Dave Lane 447 W 136th St Haw thorne CA 90250 Mustang/Meyers continued page 33 bands flip wing over again rubberband tightly finish top construc tion fully sheeting wing will able retain center stan chions go top side will have replaced external support center boresighting ability utilized insure retain well-aligned jig will also appreciate fact comes installing controls will able back arrow shafts out center compartment rejoin least rear shafts afterward Remember important thing ever wing will straight board bench fasten jig stanchions Dihedral order control roll bal ance low-winged Mustang ne cessary inch dihedral built wing structure up have extremely successful using variation step-up method devised Al Rabe wherein rib rises 1/16 way tip gauge punching ribs drawn plan used properly will give excel lent results First secure well oversized piece acetate say about 6 X 10 lay over entire gauge drawing point trying locate jig holes Mark locations acetate after removing proper cutting surface proceed punch jig holes using sharpened 5/16 brass tube jig stanchions spacing guide Place root rib precisely rib centerline tape down temporarily Return acetate locating holes par allel centerline high rib about /6 below top edge rear hole Tape acetate down keep moving proceed scribe top line gauge vertical line right its surface Remove acetate cut precisely two lines just scribed ready punch jig holes remaining ribs wise number ribs turn root tip placing pre cisely trailing edge line being certain line passes through dead center birds mouth front rib Lower acetate sheet 1/16 time making sure against vertical line right recommend glue strip cardboard line positive guide have punched ribs have slipped jig will have perfect rise tip creating dihedral ting leadouts -in above center wing tip will have achieved full one-inch rise re quired Let repeat method attaining dihedral alright al though method just described rather involved near perfect offers super-critical method monitoring wing alignment simple process bore-sighting through arrow shafts Fuselage fuselage simple box-type construction roomy enough activity can add com mon method construction drill engine holes maple bearers fore glued sides After glued sides engine bolted tightly offset desired comes perfect holding device tail brought together firewall bulkheads cross braces installed using following method can make perfect front fuse prior gluing nose ring engine still place drill A-in hold 6 X 6 piece -in lumber Relieve around hole can slip over thrust washer about glue top cowl block place Cement medium sandpaper onto face board mount engine like prop Now draw down progressively slowly turn sanding away nose ship will compensate engine off set giving neater space spinner greatest time savers dis covered building Mustang use baseball bat mold bat used 2 in diameter sawed down middle mounted -in base both foredeck turtledeck molded Bottom top sheeting models could formed man ner takes lot grief out phase 92 Model Aviation
Edition: Model Aviation - 1978/03
Page Numbers: 26, 91, 92
U Pylon Racing E] Dave Lane BY THE TIME read months col umn will aware rule change Quarter Midget allows modified props am sure dedicated pylon racer seventh heaven because rule change us did want see change just head ache have endure want race have done some experimenting props since rule change does make difference performance engines started 7-SN cut diameter 6 inches rounded tip leading edge sanded ree washout back side blades See Fig 1 Stock Tip Modified Tip Stock Modified sand washout auto matically will narrow blade sure blade same balance propeller reshaping process finished able get addi tional 1500 rpm Rossi tech nique Unfortunately start trun ing 15s constant 22500 line unload 24 26000 air life engine probably going cut half What happened expensive Quarter Midget event weekend racer have noticed lately Quarter Midget competitor shows up race least two spare engines backup airplane Some guys have box full engines Yet original intent Quarter Midget have relaxed inexpensive way racing guy wasnt interested out competi tion event Formula became seems boil down fact put race title event average flier left out competition need pylon event average modeler flier can compete feel has have expertise modify props engines order competitive must enough fliers out modeling world have fun racing event allows stock en gines propellers fuel rules will keep cost racing minimum course major problem estab lishing such event getting enough peo ple together draw up set rules govern event type event Continued page 91 26 Model Aviation John Rouse between heats 77 Nats gives go section thorough checking over Its Prather Products Little Toni Formula racer powered Supertigre X40 engine Dispensing fuel Lee Helsels Little Toni Robert Sonheim Rossi 15 Rev-Up 7-SN prop John Creaghs 1977 Nats QM Pylon entry Cox15-powered Little Toni P&P kit brought rotor speed up lifted Heli-Boy straight off no dancing skidding around spent cou ple minutes checkout hovering suddenly gave full collective Heli-Boy literally shot sky about hundred feet made very tight turn just rapidly dropped down couple feet stopped no engine loading no tail waggle shoved stick forward Heli-Boy came life high speed flew upwind downwind 20 30 feet altitude doing perfectly round loops no loss head ing altitude no blade flapping Rolls axial no loss heading altitude fact did loops rolls no flight set-up simply pulled back cyclic looped same rolls did stall turns 3-360 degree ro tation way down starting 50 feet pulling out 20 feet did right lefthand high speed turns heli copters own length set maneuvers Heli-Boy brought back hands-off hover did touchand-go landings skidding helicopter 50 feet runway flat its skids takeoffs like airplane did bows dances ground absolutely perfect control During flying never flew over spectator area field before few fixed-wing pilots men tioned before suddenly realized never seen anything like before full questions cannot begin tell did day next day large portion Florida R/G Helicopter Club present well some 300 spectators con tinually applauded Mr Schulter flew top pleasure entertaining Mr Mrs Schluter evening home long discus sions background RC helicopters future interesting hear firsthand about development RC helicopers has copied world over little no recognition efforts can get things Mr Schluter impressed upon helicopter easiest helicopter learn fly will maneuvers right out box no mods have selling like hot cakes Europe some seven months time read will available several sources country Trying hard enough Just word about trying hard enough have friend Lakeland Florida named Bobby Daniels paralyzed waist down has no use of fingers gets around wheelchair builds flies RC helicopters runs hobby store dont know what else also fine friend tries hard enough fliesso feel like cannot get getherthink about Bobby Walt Schoonard 2080 Sharon Road Winter Park FL 32789 RC Pylon/Lane continued page 26 mind would allow airplane 600 sq in wing area minimum five pounds weight fuselage should have canopy cockpit pilot airplane should have least three wheels steerable ground control three wheels would fixed no retracts should minimum fuselage cross section measurement eliminate super speed ships similar appearing now l/2A racing would leave wing alone except require center section inch thick high point minimum 600 sq total area including part passes through fuselage part constitutes filet airplane may scale modeler desires mandatory Safety would major factor models would have pass technical inspection ensure proper radio engine com March 1978 91 ThO Ultimate Finish K Q rinrnii covering toughest weave use poly Excellent contourmake easy ts apply .rves 3 weights 38 wide LIGHT LOTH wood air planescover 100% MEDIUM 2 02 CLOTH increasing structural strength around fillets nose interior plane HEAVY 6 02 CLOTH joining wings molding Own parts K & 8 SUPER POXY RESINfor sealing applying glass cloth Created include characteristics desirable resin its applicatron Easily wurkable Requires minimum sanding Little clogging sand paper Curing time adjustable amount catalyst Durable Does become brittle 1 OT CAH including catalyst DU-BRO KWIK- PUMP GPINNER Convert Kwiku Fill Fuel Pump Electric Starter Operation $295 Pump fuel faster easier ever before new Kwik-Pump spinner Simply remove handle screw aluminum spinner Lock place nut youre ready pump fuel electric starter de-fuel change polarity starter wind handle back de-fuel manually Its easy thatll DU-BRO PRODUCTS INCORPORATED 480 Banner Road Wauconda IllInois 60064 USA ponent installations engine would have stock out box unit non-Schnuerle front-rotor design 45 cubic inch propellers would non-racing configuration probably sup plied hosting sponsoring organ ization holding contest Fuel would also fall category As can see am trying promote event would guy would like race necessarily want get specialized cant fly plane fun other non-racing event might like compete picked 600 sq size reason size airplane reason ably easy transport fly ing field non-Schnuerle front-rotor engines expensive pro hibitive price mild fuel stock props should last season dont crash sure beats launch ing engine race heat As stated before Jack Stafford Mod els considering 800 sq Brown B-3 would 60 class racing similar Class CB Enterprises has started 800 sq Formula type aircraft aircraft will de signed want AMA scale bird can put detail hearts content basic outline will full scale Jack will probably offer kit same manner offers Quarter Midget foam wing build-up wing whichever turns Kick around suggestion above mentioned ~fun type racing class let know what think am sure plenty modelers fliers out have some good ideas class racing event Remember need event will bring new blood racing fraternity Dave Lane 447 W 136th St Haw thorne CA 90250 Mustang/Meyers continued page 33 bands flip wing over again rubberband tightly finish top construc tion fully sheeting wing will able retain center stan chions go top side will have replaced external support center boresighting ability utilized insure retain well-aligned jig will also appreciate fact comes installing controls will able back arrow shafts out center compartment rejoin least rear shafts afterward Remember important thing ever wing will straight board bench fasten jig stanchions Dihedral order control roll bal ance low-winged Mustang ne cessary inch dihedral built wing structure up have extremely successful using variation step-up method devised Al Rabe wherein rib rises 1/16 way tip gauge punching ribs drawn plan used properly will give excel lent results First secure well oversized piece acetate say about 6 X 10 lay over entire gauge drawing point trying locate jig holes Mark locations acetate after removing proper cutting surface proceed punch jig holes using sharpened 5/16 brass tube jig stanchions spacing guide Place root rib precisely rib centerline tape down temporarily Return acetate locating holes par allel centerline high rib about /6 below top edge rear hole Tape acetate down keep moving proceed scribe top line gauge vertical line right its surface Remove acetate cut precisely two lines just scribed ready punch jig holes remaining ribs wise number ribs turn root tip placing pre cisely trailing edge line being certain line passes through dead center birds mouth front rib Lower acetate sheet 1/16 time making sure against vertical line right recommend glue strip cardboard line positive guide have punched ribs have slipped jig will have perfect rise tip creating dihedral ting leadouts -in above center wing tip will have achieved full one-inch rise re quired Let repeat method attaining dihedral alright al though method just described rather involved near perfect offers super-critical method monitoring wing alignment simple process bore-sighting through arrow shafts Fuselage fuselage simple box-type construction roomy enough activity can add com mon method construction drill engine holes maple bearers fore glued sides After glued sides engine bolted tightly offset desired comes perfect holding device tail brought together firewall bulkheads cross braces installed using following method can make perfect front fuse prior gluing nose ring engine still place drill A-in hold 6 X 6 piece -in lumber Relieve around hole can slip over thrust washer about glue top cowl block place Cement medium sandpaper onto face board mount engine like prop Now draw down progressively slowly turn sanding away nose ship will compensate engine off set giving neater space spinner greatest time savers dis covered building Mustang use baseball bat mold bat used 2 in diameter sawed down middle mounted -in base both foredeck turtledeck molded Bottom top sheeting models could formed man ner takes lot grief out phase 92 Model Aviation
Edition: Model Aviation - 1978/03
Page Numbers: 26, 91, 92
U Pylon Racing E] Dave Lane BY THE TIME read months col umn will aware rule change Quarter Midget allows modified props am sure dedicated pylon racer seventh heaven because rule change us did want see change just head ache have endure want race have done some experimenting props since rule change does make difference performance engines started 7-SN cut diameter 6 inches rounded tip leading edge sanded ree washout back side blades See Fig 1 Stock Tip Modified Tip Stock Modified sand washout auto matically will narrow blade sure blade same balance propeller reshaping process finished able get addi tional 1500 rpm Rossi tech nique Unfortunately start trun ing 15s constant 22500 line unload 24 26000 air life engine probably going cut half What happened expensive Quarter Midget event weekend racer have noticed lately Quarter Midget competitor shows up race least two spare engines backup airplane Some guys have box full engines Yet original intent Quarter Midget have relaxed inexpensive way racing guy wasnt interested out competi tion event Formula became seems boil down fact put race title event average flier left out competition need pylon event average modeler flier can compete feel has have expertise modify props engines order competitive must enough fliers out modeling world have fun racing event allows stock en gines propellers fuel rules will keep cost racing minimum course major problem estab lishing such event getting enough peo ple together draw up set rules govern event type event Continued page 91 26 Model Aviation John Rouse between heats 77 Nats gives go section thorough checking over Its Prather Products Little Toni Formula racer powered Supertigre X40 engine Dispensing fuel Lee Helsels Little Toni Robert Sonheim Rossi 15 Rev-Up 7-SN prop John Creaghs 1977 Nats QM Pylon entry Cox15-powered Little Toni P&P kit brought rotor speed up lifted Heli-Boy straight off no dancing skidding around spent cou ple minutes checkout hovering suddenly gave full collective Heli-Boy literally shot sky about hundred feet made very tight turn just rapidly dropped down couple feet stopped no engine loading no tail waggle shoved stick forward Heli-Boy came life high speed flew upwind downwind 20 30 feet altitude doing perfectly round loops no loss head ing altitude no blade flapping Rolls axial no loss heading altitude fact did loops rolls no flight set-up simply pulled back cyclic looped same rolls did stall turns 3-360 degree ro tation way down starting 50 feet pulling out 20 feet did right lefthand high speed turns heli copters own length set maneuvers Heli-Boy brought back hands-off hover did touchand-go landings skidding helicopter 50 feet runway flat its skids takeoffs like airplane did bows dances ground absolutely perfect control During flying never flew over spectator area field before few fixed-wing pilots men tioned before suddenly realized never seen anything like before full questions cannot begin tell did day next day large portion Florida R/G Helicopter Club present well some 300 spectators con tinually applauded Mr Schulter flew top pleasure entertaining Mr Mrs Schluter evening home long discus sions background RC helicopters future interesting hear firsthand about development RC helicopers has copied world over little no recognition efforts can get things Mr Schluter impressed upon helicopter easiest helicopter learn fly will maneuvers right out box no mods have selling like hot cakes Europe some seven months time read will available several sources country Trying hard enough Just word about trying hard enough have friend Lakeland Florida named Bobby Daniels paralyzed waist down has no use of fingers gets around wheelchair builds flies RC helicopters runs hobby store dont know what else also fine friend tries hard enough fliesso feel like cannot get getherthink about Bobby Walt Schoonard 2080 Sharon Road Winter Park FL 32789 RC Pylon/Lane continued page 26 mind would allow airplane 600 sq in wing area minimum five pounds weight fuselage should have canopy cockpit pilot airplane should have least three wheels steerable ground control three wheels would fixed no retracts should minimum fuselage cross section measurement eliminate super speed ships similar appearing now l/2A racing would leave wing alone except require center section inch thick high point minimum 600 sq total area including part passes through fuselage part constitutes filet airplane may scale modeler desires mandatory Safety would major factor models would have pass technical inspection ensure proper radio engine com March 1978 91 ThO Ultimate Finish K Q rinrnii covering toughest weave use poly Excellent contourmake easy ts apply .rves 3 weights 38 wide LIGHT LOTH wood air planescover 100% MEDIUM 2 02 CLOTH increasing structural strength around fillets nose interior plane HEAVY 6 02 CLOTH joining wings molding Own parts K & 8 SUPER POXY RESINfor sealing applying glass cloth Created include characteristics desirable resin its applicatron Easily wurkable Requires minimum sanding Little clogging sand paper Curing time adjustable amount catalyst Durable Does become brittle 1 OT CAH including catalyst DU-BRO KWIK- PUMP GPINNER Convert Kwiku Fill Fuel Pump Electric Starter Operation $295 Pump fuel faster easier ever before new Kwik-Pump spinner Simply remove handle screw aluminum spinner Lock place nut youre ready pump fuel electric starter de-fuel change polarity starter wind handle back de-fuel manually Its easy thatll DU-BRO PRODUCTS INCORPORATED 480 Banner Road Wauconda IllInois 60064 USA ponent installations engine would have stock out box unit non-Schnuerle front-rotor design 45 cubic inch propellers would non-racing configuration probably sup plied hosting sponsoring organ ization holding contest Fuel would also fall category As can see am trying promote event would guy would like race necessarily want get specialized cant fly plane fun other non-racing event might like compete picked 600 sq size reason size airplane reason ably easy transport fly ing field non-Schnuerle front-rotor engines expensive pro hibitive price mild fuel stock props should last season dont crash sure beats launch ing engine race heat As stated before Jack Stafford Mod els considering 800 sq Brown B-3 would 60 class racing similar Class CB Enterprises has started 800 sq Formula type aircraft aircraft will de signed want AMA scale bird can put detail hearts content basic outline will full scale Jack will probably offer kit same manner offers Quarter Midget foam wing build-up wing whichever turns Kick around suggestion above mentioned ~fun type racing class let know what think am sure plenty modelers fliers out have some good ideas class racing event Remember need event will bring new blood racing fraternity Dave Lane 447 W 136th St Haw thorne CA 90250 Mustang/Meyers continued page 33 bands flip wing over again rubberband tightly finish top construc tion fully sheeting wing will able retain center stan chions go top side will have replaced external support center boresighting ability utilized insure retain well-aligned jig will also appreciate fact comes installing controls will able back arrow shafts out center compartment rejoin least rear shafts afterward Remember important thing ever wing will straight board bench fasten jig stanchions Dihedral order control roll bal ance low-winged Mustang ne cessary inch dihedral built wing structure up have extremely successful using variation step-up method devised Al Rabe wherein rib rises 1/16 way tip gauge punching ribs drawn plan used properly will give excel lent results First secure well oversized piece acetate say about 6 X 10 lay over entire gauge drawing point trying locate jig holes Mark locations acetate after removing proper cutting surface proceed punch jig holes using sharpened 5/16 brass tube jig stanchions spacing guide Place root rib precisely rib centerline tape down temporarily Return acetate locating holes par allel centerline high rib about /6 below top edge rear hole Tape acetate down keep moving proceed scribe top line gauge vertical line right its surface Remove acetate cut precisely two lines just scribed ready punch jig holes remaining ribs wise number ribs turn root tip placing pre cisely trailing edge line being certain line passes through dead center birds mouth front rib Lower acetate sheet 1/16 time making sure against vertical line right recommend glue strip cardboard line positive guide have punched ribs have slipped jig will have perfect rise tip creating dihedral ting leadouts -in above center wing tip will have achieved full one-inch rise re quired Let repeat method attaining dihedral alright al though method just described rather involved near perfect offers super-critical method monitoring wing alignment simple process bore-sighting through arrow shafts Fuselage fuselage simple box-type construction roomy enough activity can add com mon method construction drill engine holes maple bearers fore glued sides After glued sides engine bolted tightly offset desired comes perfect holding device tail brought together firewall bulkheads cross braces installed using following method can make perfect front fuse prior gluing nose ring engine still place drill A-in hold 6 X 6 piece -in lumber Relieve around hole can slip over thrust washer about glue top cowl block place Cement medium sandpaper onto face board mount engine like prop Now draw down progressively slowly turn sanding away nose ship will compensate engine off set giving neater space spinner greatest time savers dis covered building Mustang use baseball bat mold bat used 2 in diameter sawed down middle mounted -in base both foredeck turtledeck molded Bottom top sheeting models could formed man ner takes lot grief out phase 92 Model Aviation