Radio Control Old- Timers Dr D B Mathews WEVE MOVED Please note new ad dress end column cor respondence stack bit mess owe letter either patient send us another Pylon Buster months Old-Timer represents enigma Although published Mechanix Illustrated after WW II plans show postwar Atwood JH powerplant Pylon Buster authenticated Old-Timer Ramon Vasquez designed built model before December 31 1942 published until after war represents strikingly modern approach goes saying Notice position engine thrust line relative wing empennage yep have very early version high thrustline layout popularized Stardusters Vikings 1960s Twin rudders banana fuselage shapes exactly everyday layouts now Retractable undercarriage seen few gas models era such Goldberg Sailplane Super Quaker feature mostly rubber-power designs Pylon Buster must definitely classify rather ahead-of-itself concept Bill Schmidt Wichita has developed AA version primarily determine advisability pursuing Pylon Buster larger size Dooling 61 After observing early flights Black Widow-powered version can hardly wait big flown little airplane still another sleeper climbs very straightaway steeply penetrates wind remarkably well im portantly glides beautifully Bill being afflicted curse splendid craftsmanship naturally just build retract unit articulate single separate S-33 servo workmanship complex unit far beyond capabilities mere mor tals chose illustrate However someone less gifted reproduce Vasquezs unit detailed plan 3E6 John Pond would encounter really insurmountable problems Schmidts version Articulating twin fins can real plumbers nightmare notice clever method Bill used AA Pylon Buster homemade horn con verts servo motion side-to-side via 064 music wire onto ends have soldered either side bushings rudders Tiny wire standoffs prevent flexion whole thing works slicker plan PAUL PLECAN originally published date unknown MECHANIX ILLUSTRATED magazine 3, S X 0 SEC Y -KG DESIGNED BY ARMAND VASOUEZ AIRFOIL BERG G-7 POWER 60 CU IN --NOTE ribs cop stripped tap shown exaggerated width -fuse age p anked tom f ewa udder B stab AttC whistle Bill likes use 030 Sullivan cable tube pushrods must agree work awfully well bit heavier balsa rods much easier iifstall Also notice elevator flap rapidly becoming accepted method adding elevator 1AA 1 1 1 1 Texaco originally wondered bit about legality have tacitly approved SAM Champs anticipate 1986-87 SAM rule book will legalize officially wing attachment also unusual dowels run front bulkhead elastics hold rear wing46Model Aviation Doc found loophole present SAM rules enlarged rubberpowered Comet Junior Clipper 120% AA Texaco event SAM rules limit designs gas powered planes Model yellow red trim Cute hatch unit place exactly highly crash-resistant certainly attractive enough fuselage definitely planked rather uses stringers bulkheads covered silk cute spinner Ace cowl carved block normal folks would likely use made lost-foam method black silk fuselage fuchsia wing stab surprisingly pretty particularly sun shining through model Continued page 133 Bill Schmidt Wichita KS builtthisA-size Pylon Busterto see would fly well enough built full-size Doollng 61 power plant Flight shot firstflightnote cowling removed easy engine accessibility flow flies cowling RC-actuated landing gear retracted Elevator control via flap R uses nifty bellcrank-and-pushrod arrangement move twin rudders little bug middle pushrod appears teeny pushrod guide Pushrods actuate rudders directlyno horns required February 198547 TAPER ACETM Rib Profiler makes tapered eliptical wing design easy Works faster computer Adjusts locks size rib instantly Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 II I Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Steve Helms Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Steve Helms 9Q4 478-6745 RADIO SOUTH~ AUTHORIZED SERVICE CENTEI FOR Kraft Pro LineFutaba I *iRI*IEIEI I--I --II 180 E Burgess Rd JR * Futaba Distributor er Inquiries Welcome * diameter cone air higher speed around fuselage friction ed dies turbulence rob moving air its effectiveness is particularly true models large round cowls radial dummy engines Tuibulence friction much reduced largediameter propeller because moving cone air lower velocity further away fuselage have heard stories overprop ping engine somehow injurious has proved true have using Supertigre 60 14-6 prop 16 years WW Sopwith engine good today new Wear actually reduced sixounce fuel tank needed 11000 rpm expect ST 60 use ounce fuel per minute experience shows rate A-ounce per minute 6000 rpm 14-6 prop engine runs cooler less internal friction minimize wear large prop permits slower realistic flight possible lightweight airplanes Heavier models will need airspeed full engine out put reasonable climb performance avoid risk stall after takeoff Impact damage heavier model always greater mishap element flight realism consid erably enhanced sound twostroke engine lower speed lowervolume exhaust gases muffler can restricted Sopwith muffler l-in-diameter aluminum tube solid end plate drilled A-in exit holes threading self-tapping screws several holes amount restriction can tuned best per formance least noise have heard comments Supertigre has sound very similar four-stroke engine model has flown often residential area neighbors arent aware engine sound ing up down often does both very quickly best thing situation slow airplane down very gentle colitrols try ease t6 landing Unfortunately usually occurs first flight airplane out trim anyway Survivors drama seldom have convinced airplane center mass needs moved forward proper range rest make sure its right next airplane center mass too far forward doesnt cause such dramatic conse quences lQt airplanes have bent because symptoms sim ple lot elevator necessary per form loops rolls flare airplatie landings airplane usually dinged landing pilot suddenly dis covets has stick way back airplane still sinking Mov- ing center mass back proper range will cure sinking feeling Bob Dolly Wischer S-221 Laphamkeep landing ear bottom side Peak Rd Delafield WI 53018of wing RC Aerobatics/Van Putte Continued page 45 thoughtlessly change airplanes center mass could mess up perfectly good airplane range locations airplanes center mass trimmable controlla ble stable range actually quite broad intentional reasoned move ment center mass often neces sary improve airplanes flying quali ties Beginners should always make sure airplanes center mass within range recommended plans dramatic consequence improper center mass location behind recommended area. An aft center mass can bring chills flier because airplane suddenly unstable pitch doesnt care whether its pitchRon Van Putte 111 Sleepy Qaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 47 floats overhead Reduced 60% original size Pi1oh Buster shows enough potential hold its own AA Texaco competi tion full-sized fully-powered may well extraordinary Anyone has flying invited let us know goes Two approaches power runs credible explosion activity Y2A Tex aco a9ound world has introduced modelers joys RC OldTimer us thought lOssible Continised page 136 An better example quiet opera tion large prop diameters quarter-scale Aeronca K its Gemini 120 twin four-stroke engine recom mended 16-6 prop will yield 9000 rpm Hand-carved 18-7 props bring engine rpm down 6000 exhaust sound barely heard muffler difference between pro pellers negligible performance open throttle However Aeronca will fly near-scale speed about 4000 rpm large prop engine sound almost inaudible large engine just sips fuel throttle setting less ounce per minute carve props Because experimentation purchased props could quite expensive $10 $13 maple raw material prop costs about ior plus about hours time carving results arent satisfactory prop broken loss small February 198133 Pensacola FL 32503 TIGER TAIL 4 Ron Chidgelis latest best series little larger lighter slower retains honest flight character tistics its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans ahd construction hints -$995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor England ta efficient design allows substantial reduction noise level actually improving per formance $2000 NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Lrght strong Low-profile selfiocking 3116 width wont cut silicone couplers Pkg 4 clamps $295 RC Old-Timers/Mathews Continued page 133 relatively inexpensive easy-to-build fun-to-fly little rascals absolutely perfect first Old-Timer subjects would anticipate event may finally make point Free Flight frater nity adding RC Free Flight model reduce retrieving problems add usable flying sites sacrilege Interestingly since motor runs timid function much fuel can squeeze Black Widow tank two completely divergent approavh es haye evolved group favors high nitro small props gain lots altitude two three minutes motor run other NEW Sleeve Puller $795 BearIng Puller $695 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long 589SIset ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * Special * Both $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-863g favors low nitro 8 x 3 larger props seven- eight-minute motor runs Frankly 15-minute maxes seems better off long runs high-fast approach depends thermals flight slow-low seemingly assures least 10 minutes no lift just little 'help' 15-minute max well within reach obtain long engine runs mod ifications such twoor three head gaskets l0o nitro fuel 8 x 4 8 x 6 props used Needle settings become very critical regular heads may necessary look through large batch Black Widows before properly-fitted fouhd Front bearing slop absolute nono Most also modifying fuel pickup original plastic J-shaped section Yn2 ID brass aluminum tubing East side west side Since 1985 SAM Champs held California AMA Nats Massachusetts RC OldTimer nuts either coast being given chance attend major meets next sum mer middle country can choose attend both 1986 sfiould see reverse setup 1987 SAM Champs would Mid west Ill bet Fort Worth Plainsmen could host super SAM Champs what feel premier site Free Flight RC-Assist amid Acres about Texans Dee B Mathews 8420 Nantucket Wichita KS 67212 responding advertisers mention read about Model Aviation RC Electrics/Kopski Continued page 49 Since personally fly mostly direct drive have little interest hot winds Id much prefer stay reasonable winding select cell count prop size job hand Im happy report Astro has recent ly added bit winding several thefr motors Given option Id always take larger slower direct-drive prop smaller faster kinds models fly realize discussion bit cram sessiofl everything may totally clear everyone Depending reader reaction may get future columns Another new topic time col umn appears will dead winter some places like live means cold temperatures other unpleas antness such frost snow etc Included list less flying doesnt mean no flying cause theres no basic reason Electric cant flown under such conditions So youve won dering about effects cold Electric wonder no Read planes stored tached unheated garage winter garage temperatures often reach freezing otherwise least very cold Ive same house close 20 years have never temperature-related problem air borne radio equipment Electric equipment including batteries charging have routinely brought cold models normal-tempera ture shop charge radio have routinely charged motor batteries snow-covered fields however noticeable difference latter Continued page 138 rAcrylic Clear Dope glues shrinks seals coverings pArtisan Fuel Proofer spray brushdries completely clear tack-free 15 minuteswill dissolve cut paint applying super glossfinish100% brush-mark free Color Clear Feel Proofer 4ez $175 Sex $295 4oz $150 Sos $250 4o $195 Box $395 U Light Green U Orange U Grey U Aluminum U Maroon U Red U Dark Red U Sky BlueU Florescent Grange U Black U White U Cub Yellow U Brown U Tan U Green U Acrylic Clear U Artisan Fuel Proof er U NEW WING TUBE & SOCKETS NEW PermaGritTM Utetlme * Carbide Sanding Tools g p c TUNGSTEN CARBIDE GRIT-Mans hardest . erial next mond - r BRAZED TO --. -. STEEL.S 1 - made Modelers AverageFLAT TOOL 40 x 11/2 X Use e balsa hard woods .tyraffiberglassbeaded foams epoxy fillers .jr.y iglass REYOUTOTRyIT MONEY BACK GUARANTEE FOR MAIL ORDERS ONLY ONLY $6~ YOUR DEALER FIRST OR SEND FOR COMPLETE LIST OF B TOOLS SEND SSAE FOR COMPLETE LIST OF TOOLS DG PRODUCTS CO 209 Carrlands Dr Dayton OH 45429 Si3 294-1192 lOhiores addB% TaxI U Air Brush Hand brush ordering stete color size quantity Add $200 poatage IWI ree add 5% sales taxl I
Edition: Model Aviation - 1985/02
Page Numbers: 46, 47, 133, 136
Radio Control Old- Timers Dr D B Mathews WEVE MOVED Please note new ad dress end column cor respondence stack bit mess owe letter either patient send us another Pylon Buster months Old-Timer represents enigma Although published Mechanix Illustrated after WW II plans show postwar Atwood JH powerplant Pylon Buster authenticated Old-Timer Ramon Vasquez designed built model before December 31 1942 published until after war represents strikingly modern approach goes saying Notice position engine thrust line relative wing empennage yep have very early version high thrustline layout popularized Stardusters Vikings 1960s Twin rudders banana fuselage shapes exactly everyday layouts now Retractable undercarriage seen few gas models era such Goldberg Sailplane Super Quaker feature mostly rubber-power designs Pylon Buster must definitely classify rather ahead-of-itself concept Bill Schmidt Wichita has developed AA version primarily determine advisability pursuing Pylon Buster larger size Dooling 61 After observing early flights Black Widow-powered version can hardly wait big flown little airplane still another sleeper climbs very straightaway steeply penetrates wind remarkably well im portantly glides beautifully Bill being afflicted curse splendid craftsmanship naturally just build retract unit articulate single separate S-33 servo workmanship complex unit far beyond capabilities mere mor tals chose illustrate However someone less gifted reproduce Vasquezs unit detailed plan 3E6 John Pond would encounter really insurmountable problems Schmidts version Articulating twin fins can real plumbers nightmare notice clever method Bill used AA Pylon Buster homemade horn con verts servo motion side-to-side via 064 music wire onto ends have soldered either side bushings rudders Tiny wire standoffs prevent flexion whole thing works slicker plan PAUL PLECAN originally published date unknown MECHANIX ILLUSTRATED magazine 3, S X 0 SEC Y -KG DESIGNED BY ARMAND VASOUEZ AIRFOIL BERG G-7 POWER 60 CU IN --NOTE ribs cop stripped tap shown exaggerated width -fuse age p anked tom f ewa udder B stab AttC whistle Bill likes use 030 Sullivan cable tube pushrods must agree work awfully well bit heavier balsa rods much easier iifstall Also notice elevator flap rapidly becoming accepted method adding elevator 1AA 1 1 1 1 Texaco originally wondered bit about legality have tacitly approved SAM Champs anticipate 1986-87 SAM rule book will legalize officially wing attachment also unusual dowels run front bulkhead elastics hold rear wing46Model Aviation Doc found loophole present SAM rules enlarged rubberpowered Comet Junior Clipper 120% AA Texaco event SAM rules limit designs gas powered planes Model yellow red trim Cute hatch unit place exactly highly crash-resistant certainly attractive enough fuselage definitely planked rather uses stringers bulkheads covered silk cute spinner Ace cowl carved block normal folks would likely use made lost-foam method black silk fuselage fuchsia wing stab surprisingly pretty particularly sun shining through model Continued page 133 Bill Schmidt Wichita KS builtthisA-size Pylon Busterto see would fly well enough built full-size Doollng 61 power plant Flight shot firstflightnote cowling removed easy engine accessibility flow flies cowling RC-actuated landing gear retracted Elevator control via flap R uses nifty bellcrank-and-pushrod arrangement move twin rudders little bug middle pushrod appears teeny pushrod guide Pushrods actuate rudders directlyno horns required February 198547 TAPER ACETM Rib Profiler makes tapered eliptical wing design easy Works faster computer Adjusts locks size rib instantly Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 II I Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Steve Helms Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Steve Helms 9Q4 478-6745 RADIO SOUTH~ AUTHORIZED SERVICE CENTEI FOR Kraft Pro LineFutaba I *iRI*IEIEI I--I --II 180 E Burgess Rd JR * Futaba Distributor er Inquiries Welcome * diameter cone air higher speed around fuselage friction ed dies turbulence rob moving air its effectiveness is particularly true models large round cowls radial dummy engines Tuibulence friction much reduced largediameter propeller because moving cone air lower velocity further away fuselage have heard stories overprop ping engine somehow injurious has proved true have using Supertigre 60 14-6 prop 16 years WW Sopwith engine good today new Wear actually reduced sixounce fuel tank needed 11000 rpm expect ST 60 use ounce fuel per minute experience shows rate A-ounce per minute 6000 rpm 14-6 prop engine runs cooler less internal friction minimize wear large prop permits slower realistic flight possible lightweight airplanes Heavier models will need airspeed full engine out put reasonable climb performance avoid risk stall after takeoff Impact damage heavier model always greater mishap element flight realism consid erably enhanced sound twostroke engine lower speed lowervolume exhaust gases muffler can restricted Sopwith muffler l-in-diameter aluminum tube solid end plate drilled A-in exit holes threading self-tapping screws several holes amount restriction can tuned best per formance least noise have heard comments Supertigre has sound very similar four-stroke engine model has flown often residential area neighbors arent aware engine sound ing up down often does both very quickly best thing situation slow airplane down very gentle colitrols try ease t6 landing Unfortunately usually occurs first flight airplane out trim anyway Survivors drama seldom have convinced airplane center mass needs moved forward proper range rest make sure its right next airplane center mass too far forward doesnt cause such dramatic conse quences lQt airplanes have bent because symptoms sim ple lot elevator necessary per form loops rolls flare airplatie landings airplane usually dinged landing pilot suddenly dis covets has stick way back airplane still sinking Mov- ing center mass back proper range will cure sinking feeling Bob Dolly Wischer S-221 Laphamkeep landing ear bottom side Peak Rd Delafield WI 53018of wing RC Aerobatics/Van Putte Continued page 45 thoughtlessly change airplanes center mass could mess up perfectly good airplane range locations airplanes center mass trimmable controlla ble stable range actually quite broad intentional reasoned move ment center mass often neces sary improve airplanes flying quali ties Beginners should always make sure airplanes center mass within range recommended plans dramatic consequence improper center mass location behind recommended area. An aft center mass can bring chills flier because airplane suddenly unstable pitch doesnt care whether its pitchRon Van Putte 111 Sleepy Qaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 47 floats overhead Reduced 60% original size Pi1oh Buster shows enough potential hold its own AA Texaco competi tion full-sized fully-powered may well extraordinary Anyone has flying invited let us know goes Two approaches power runs credible explosion activity Y2A Tex aco a9ound world has introduced modelers joys RC OldTimer us thought lOssible Continised page 136 An better example quiet opera tion large prop diameters quarter-scale Aeronca K its Gemini 120 twin four-stroke engine recom mended 16-6 prop will yield 9000 rpm Hand-carved 18-7 props bring engine rpm down 6000 exhaust sound barely heard muffler difference between pro pellers negligible performance open throttle However Aeronca will fly near-scale speed about 4000 rpm large prop engine sound almost inaudible large engine just sips fuel throttle setting less ounce per minute carve props Because experimentation purchased props could quite expensive $10 $13 maple raw material prop costs about ior plus about hours time carving results arent satisfactory prop broken loss small February 198133 Pensacola FL 32503 TIGER TAIL 4 Ron Chidgelis latest best series little larger lighter slower retains honest flight character tistics its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans ahd construction hints -$995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor England ta efficient design allows substantial reduction noise level actually improving per formance $2000 NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Lrght strong Low-profile selfiocking 3116 width wont cut silicone couplers Pkg 4 clamps $295 RC Old-Timers/Mathews Continued page 133 relatively inexpensive easy-to-build fun-to-fly little rascals absolutely perfect first Old-Timer subjects would anticipate event may finally make point Free Flight frater nity adding RC Free Flight model reduce retrieving problems add usable flying sites sacrilege Interestingly since motor runs timid function much fuel can squeeze Black Widow tank two completely divergent approavh es haye evolved group favors high nitro small props gain lots altitude two three minutes motor run other NEW Sleeve Puller $795 BearIng Puller $695 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long 589SIset ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * Special * Both $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-863g favors low nitro 8 x 3 larger props seven- eight-minute motor runs Frankly 15-minute maxes seems better off long runs high-fast approach depends thermals flight slow-low seemingly assures least 10 minutes no lift just little 'help' 15-minute max well within reach obtain long engine runs mod ifications such twoor three head gaskets l0o nitro fuel 8 x 4 8 x 6 props used Needle settings become very critical regular heads may necessary look through large batch Black Widows before properly-fitted fouhd Front bearing slop absolute nono Most also modifying fuel pickup original plastic J-shaped section Yn2 ID brass aluminum tubing East side west side Since 1985 SAM Champs held California AMA Nats Massachusetts RC OldTimer nuts either coast being given chance attend major meets next sum mer middle country can choose attend both 1986 sfiould see reverse setup 1987 SAM Champs would Mid west Ill bet Fort Worth Plainsmen could host super SAM Champs what feel premier site Free Flight RC-Assist amid Acres about Texans Dee B Mathews 8420 Nantucket Wichita KS 67212 responding advertisers mention read about Model Aviation RC Electrics/Kopski Continued page 49 Since personally fly mostly direct drive have little interest hot winds Id much prefer stay reasonable winding select cell count prop size job hand Im happy report Astro has recent ly added bit winding several thefr motors Given option Id always take larger slower direct-drive prop smaller faster kinds models fly realize discussion bit cram sessiofl everything may totally clear everyone Depending reader reaction may get future columns Another new topic time col umn appears will dead winter some places like live means cold temperatures other unpleas antness such frost snow etc Included list less flying doesnt mean no flying cause theres no basic reason Electric cant flown under such conditions So youve won dering about effects cold Electric wonder no Read planes stored tached unheated garage winter garage temperatures often reach freezing otherwise least very cold Ive same house close 20 years have never temperature-related problem air borne radio equipment Electric equipment including batteries charging have routinely brought cold models normal-tempera ture shop charge radio have routinely charged motor batteries snow-covered fields however noticeable difference latter Continued page 138 rAcrylic Clear Dope glues shrinks seals coverings pArtisan Fuel Proofer spray brushdries completely clear tack-free 15 minuteswill dissolve cut paint applying super glossfinish100% brush-mark free Color Clear Feel Proofer 4ez $175 Sex $295 4oz $150 Sos $250 4o $195 Box $395 U Light Green U Orange U Grey U Aluminum U Maroon U Red U Dark Red U Sky BlueU Florescent Grange U Black U White U Cub Yellow U Brown U Tan U Green U Acrylic Clear U Artisan Fuel Proof er U NEW WING TUBE & SOCKETS NEW PermaGritTM Utetlme * Carbide Sanding Tools g p c TUNGSTEN CARBIDE GRIT-Mans hardest . erial next mond - r BRAZED TO --. -. STEEL.S 1 - made Modelers AverageFLAT TOOL 40 x 11/2 X Use e balsa hard woods .tyraffiberglassbeaded foams epoxy fillers .jr.y iglass REYOUTOTRyIT MONEY BACK GUARANTEE FOR MAIL ORDERS ONLY ONLY $6~ YOUR DEALER FIRST OR SEND FOR COMPLETE LIST OF B TOOLS SEND SSAE FOR COMPLETE LIST OF TOOLS DG PRODUCTS CO 209 Carrlands Dr Dayton OH 45429 Si3 294-1192 lOhiores addB% TaxI U Air Brush Hand brush ordering stete color size quantity Add $200 poatage IWI ree add 5% sales taxl I
Edition: Model Aviation - 1985/02
Page Numbers: 46, 47, 133, 136
Radio Control Old- Timers Dr D B Mathews WEVE MOVED Please note new ad dress end column cor respondence stack bit mess owe letter either patient send us another Pylon Buster months Old-Timer represents enigma Although published Mechanix Illustrated after WW II plans show postwar Atwood JH powerplant Pylon Buster authenticated Old-Timer Ramon Vasquez designed built model before December 31 1942 published until after war represents strikingly modern approach goes saying Notice position engine thrust line relative wing empennage yep have very early version high thrustline layout popularized Stardusters Vikings 1960s Twin rudders banana fuselage shapes exactly everyday layouts now Retractable undercarriage seen few gas models era such Goldberg Sailplane Super Quaker feature mostly rubber-power designs Pylon Buster must definitely classify rather ahead-of-itself concept Bill Schmidt Wichita has developed AA version primarily determine advisability pursuing Pylon Buster larger size Dooling 61 After observing early flights Black Widow-powered version can hardly wait big flown little airplane still another sleeper climbs very straightaway steeply penetrates wind remarkably well im portantly glides beautifully Bill being afflicted curse splendid craftsmanship naturally just build retract unit articulate single separate S-33 servo workmanship complex unit far beyond capabilities mere mor tals chose illustrate However someone less gifted reproduce Vasquezs unit detailed plan 3E6 John Pond would encounter really insurmountable problems Schmidts version Articulating twin fins can real plumbers nightmare notice clever method Bill used AA Pylon Buster homemade horn con verts servo motion side-to-side via 064 music wire onto ends have soldered either side bushings rudders Tiny wire standoffs prevent flexion whole thing works slicker plan PAUL PLECAN originally published date unknown MECHANIX ILLUSTRATED magazine 3, S X 0 SEC Y -KG DESIGNED BY ARMAND VASOUEZ AIRFOIL BERG G-7 POWER 60 CU IN --NOTE ribs cop stripped tap shown exaggerated width -fuse age p anked tom f ewa udder B stab AttC whistle Bill likes use 030 Sullivan cable tube pushrods must agree work awfully well bit heavier balsa rods much easier iifstall Also notice elevator flap rapidly becoming accepted method adding elevator 1AA 1 1 1 1 Texaco originally wondered bit about legality have tacitly approved SAM Champs anticipate 1986-87 SAM rule book will legalize officially wing attachment also unusual dowels run front bulkhead elastics hold rear wing46Model Aviation Doc found loophole present SAM rules enlarged rubberpowered Comet Junior Clipper 120% AA Texaco event SAM rules limit designs gas powered planes Model yellow red trim Cute hatch unit place exactly highly crash-resistant certainly attractive enough fuselage definitely planked rather uses stringers bulkheads covered silk cute spinner Ace cowl carved block normal folks would likely use made lost-foam method black silk fuselage fuchsia wing stab surprisingly pretty particularly sun shining through model Continued page 133 Bill Schmidt Wichita KS builtthisA-size Pylon Busterto see would fly well enough built full-size Doollng 61 power plant Flight shot firstflightnote cowling removed easy engine accessibility flow flies cowling RC-actuated landing gear retracted Elevator control via flap R uses nifty bellcrank-and-pushrod arrangement move twin rudders little bug middle pushrod appears teeny pushrod guide Pushrods actuate rudders directlyno horns required February 198547 TAPER ACETM Rib Profiler makes tapered eliptical wing design easy Works faster computer Adjusts locks size rib instantly Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 II I Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Steve Helms Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Steve Helms 9Q4 478-6745 RADIO SOUTH~ AUTHORIZED SERVICE CENTEI FOR Kraft Pro LineFutaba I *iRI*IEIEI I--I --II 180 E Burgess Rd JR * Futaba Distributor er Inquiries Welcome * diameter cone air higher speed around fuselage friction ed dies turbulence rob moving air its effectiveness is particularly true models large round cowls radial dummy engines Tuibulence friction much reduced largediameter propeller because moving cone air lower velocity further away fuselage have heard stories overprop ping engine somehow injurious has proved true have using Supertigre 60 14-6 prop 16 years WW Sopwith engine good today new Wear actually reduced sixounce fuel tank needed 11000 rpm expect ST 60 use ounce fuel per minute experience shows rate A-ounce per minute 6000 rpm 14-6 prop engine runs cooler less internal friction minimize wear large prop permits slower realistic flight possible lightweight airplanes Heavier models will need airspeed full engine out put reasonable climb performance avoid risk stall after takeoff Impact damage heavier model always greater mishap element flight realism consid erably enhanced sound twostroke engine lower speed lowervolume exhaust gases muffler can restricted Sopwith muffler l-in-diameter aluminum tube solid end plate drilled A-in exit holes threading self-tapping screws several holes amount restriction can tuned best per formance least noise have heard comments Supertigre has sound very similar four-stroke engine model has flown often residential area neighbors arent aware engine sound ing up down often does both very quickly best thing situation slow airplane down very gentle colitrols try ease t6 landing Unfortunately usually occurs first flight airplane out trim anyway Survivors drama seldom have convinced airplane center mass needs moved forward proper range rest make sure its right next airplane center mass too far forward doesnt cause such dramatic conse quences lQt airplanes have bent because symptoms sim ple lot elevator necessary per form loops rolls flare airplatie landings airplane usually dinged landing pilot suddenly dis covets has stick way back airplane still sinking Mov- ing center mass back proper range will cure sinking feeling Bob Dolly Wischer S-221 Laphamkeep landing ear bottom side Peak Rd Delafield WI 53018of wing RC Aerobatics/Van Putte Continued page 45 thoughtlessly change airplanes center mass could mess up perfectly good airplane range locations airplanes center mass trimmable controlla ble stable range actually quite broad intentional reasoned move ment center mass often neces sary improve airplanes flying quali ties Beginners should always make sure airplanes center mass within range recommended plans dramatic consequence improper center mass location behind recommended area. An aft center mass can bring chills flier because airplane suddenly unstable pitch doesnt care whether its pitchRon Van Putte 111 Sleepy Qaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 47 floats overhead Reduced 60% original size Pi1oh Buster shows enough potential hold its own AA Texaco competi tion full-sized fully-powered may well extraordinary Anyone has flying invited let us know goes Two approaches power runs credible explosion activity Y2A Tex aco a9ound world has introduced modelers joys RC OldTimer us thought lOssible Continised page 136 An better example quiet opera tion large prop diameters quarter-scale Aeronca K its Gemini 120 twin four-stroke engine recom mended 16-6 prop will yield 9000 rpm Hand-carved 18-7 props bring engine rpm down 6000 exhaust sound barely heard muffler difference between pro pellers negligible performance open throttle However Aeronca will fly near-scale speed about 4000 rpm large prop engine sound almost inaudible large engine just sips fuel throttle setting less ounce per minute carve props Because experimentation purchased props could quite expensive $10 $13 maple raw material prop costs about ior plus about hours time carving results arent satisfactory prop broken loss small February 198133 Pensacola FL 32503 TIGER TAIL 4 Ron Chidgelis latest best series little larger lighter slower retains honest flight character tistics its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans ahd construction hints -$995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor England ta efficient design allows substantial reduction noise level actually improving per formance $2000 NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Lrght strong Low-profile selfiocking 3116 width wont cut silicone couplers Pkg 4 clamps $295 RC Old-Timers/Mathews Continued page 133 relatively inexpensive easy-to-build fun-to-fly little rascals absolutely perfect first Old-Timer subjects would anticipate event may finally make point Free Flight frater nity adding RC Free Flight model reduce retrieving problems add usable flying sites sacrilege Interestingly since motor runs timid function much fuel can squeeze Black Widow tank two completely divergent approavh es haye evolved group favors high nitro small props gain lots altitude two three minutes motor run other NEW Sleeve Puller $795 BearIng Puller $695 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long 589SIset ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * Special * Both $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-863g favors low nitro 8 x 3 larger props seven- eight-minute motor runs Frankly 15-minute maxes seems better off long runs high-fast approach depends thermals flight slow-low seemingly assures least 10 minutes no lift just little 'help' 15-minute max well within reach obtain long engine runs mod ifications such twoor three head gaskets l0o nitro fuel 8 x 4 8 x 6 props used Needle settings become very critical regular heads may necessary look through large batch Black Widows before properly-fitted fouhd Front bearing slop absolute nono Most also modifying fuel pickup original plastic J-shaped section Yn2 ID brass aluminum tubing East side west side Since 1985 SAM Champs held California AMA Nats Massachusetts RC OldTimer nuts either coast being given chance attend major meets next sum mer middle country can choose attend both 1986 sfiould see reverse setup 1987 SAM Champs would Mid west Ill bet Fort Worth Plainsmen could host super SAM Champs what feel premier site Free Flight RC-Assist amid Acres about Texans Dee B Mathews 8420 Nantucket Wichita KS 67212 responding advertisers mention read about Model Aviation RC Electrics/Kopski Continued page 49 Since personally fly mostly direct drive have little interest hot winds Id much prefer stay reasonable winding select cell count prop size job hand Im happy report Astro has recent ly added bit winding several thefr motors Given option Id always take larger slower direct-drive prop smaller faster kinds models fly realize discussion bit cram sessiofl everything may totally clear everyone Depending reader reaction may get future columns Another new topic time col umn appears will dead winter some places like live means cold temperatures other unpleas antness such frost snow etc Included list less flying doesnt mean no flying cause theres no basic reason Electric cant flown under such conditions So youve won dering about effects cold Electric wonder no Read planes stored tached unheated garage winter garage temperatures often reach freezing otherwise least very cold Ive same house close 20 years have never temperature-related problem air borne radio equipment Electric equipment including batteries charging have routinely brought cold models normal-tempera ture shop charge radio have routinely charged motor batteries snow-covered fields however noticeable difference latter Continued page 138 rAcrylic Clear Dope glues shrinks seals coverings pArtisan Fuel Proofer spray brushdries completely clear tack-free 15 minuteswill dissolve cut paint applying super glossfinish100% brush-mark free Color Clear Feel Proofer 4ez $175 Sex $295 4oz $150 Sos $250 4o $195 Box $395 U Light Green U Orange U Grey U Aluminum U Maroon U Red U Dark Red U Sky BlueU Florescent Grange U Black U White U Cub Yellow U Brown U Tan U Green U Acrylic Clear U Artisan Fuel Proof er U NEW WING TUBE & SOCKETS NEW PermaGritTM Utetlme * Carbide Sanding Tools g p c TUNGSTEN CARBIDE GRIT-Mans hardest . erial next mond - r BRAZED TO --. -. STEEL.S 1 - made Modelers AverageFLAT TOOL 40 x 11/2 X Use e balsa hard woods .tyraffiberglassbeaded foams epoxy fillers .jr.y iglass REYOUTOTRyIT MONEY BACK GUARANTEE FOR MAIL ORDERS ONLY ONLY $6~ YOUR DEALER FIRST OR SEND FOR COMPLETE LIST OF B TOOLS SEND SSAE FOR COMPLETE LIST OF TOOLS DG PRODUCTS CO 209 Carrlands Dr Dayton OH 45429 Si3 294-1192 lOhiores addB% TaxI U Air Brush Hand brush ordering stete color size quantity Add $200 poatage IWI ree add 5% sales taxl I
Edition: Model Aviation - 1985/02
Page Numbers: 46, 47, 133, 136
Radio Control Old- Timers Dr D B Mathews WEVE MOVED Please note new ad dress end column cor respondence stack bit mess owe letter either patient send us another Pylon Buster months Old-Timer represents enigma Although published Mechanix Illustrated after WW II plans show postwar Atwood JH powerplant Pylon Buster authenticated Old-Timer Ramon Vasquez designed built model before December 31 1942 published until after war represents strikingly modern approach goes saying Notice position engine thrust line relative wing empennage yep have very early version high thrustline layout popularized Stardusters Vikings 1960s Twin rudders banana fuselage shapes exactly everyday layouts now Retractable undercarriage seen few gas models era such Goldberg Sailplane Super Quaker feature mostly rubber-power designs Pylon Buster must definitely classify rather ahead-of-itself concept Bill Schmidt Wichita has developed AA version primarily determine advisability pursuing Pylon Buster larger size Dooling 61 After observing early flights Black Widow-powered version can hardly wait big flown little airplane still another sleeper climbs very straightaway steeply penetrates wind remarkably well im portantly glides beautifully Bill being afflicted curse splendid craftsmanship naturally just build retract unit articulate single separate S-33 servo workmanship complex unit far beyond capabilities mere mor tals chose illustrate However someone less gifted reproduce Vasquezs unit detailed plan 3E6 John Pond would encounter really insurmountable problems Schmidts version Articulating twin fins can real plumbers nightmare notice clever method Bill used AA Pylon Buster homemade horn con verts servo motion side-to-side via 064 music wire onto ends have soldered either side bushings rudders Tiny wire standoffs prevent flexion whole thing works slicker plan PAUL PLECAN originally published date unknown MECHANIX ILLUSTRATED magazine 3, S X 0 SEC Y -KG DESIGNED BY ARMAND VASOUEZ AIRFOIL BERG G-7 POWER 60 CU IN --NOTE ribs cop stripped tap shown exaggerated width -fuse age p anked tom f ewa udder B stab AttC whistle Bill likes use 030 Sullivan cable tube pushrods must agree work awfully well bit heavier balsa rods much easier iifstall Also notice elevator flap rapidly becoming accepted method adding elevator 1AA 1 1 1 1 Texaco originally wondered bit about legality have tacitly approved SAM Champs anticipate 1986-87 SAM rule book will legalize officially wing attachment also unusual dowels run front bulkhead elastics hold rear wing46Model Aviation Doc found loophole present SAM rules enlarged rubberpowered Comet Junior Clipper 120% AA Texaco event SAM rules limit designs gas powered planes Model yellow red trim Cute hatch unit place exactly highly crash-resistant certainly attractive enough fuselage definitely planked rather uses stringers bulkheads covered silk cute spinner Ace cowl carved block normal folks would likely use made lost-foam method black silk fuselage fuchsia wing stab surprisingly pretty particularly sun shining through model Continued page 133 Bill Schmidt Wichita KS builtthisA-size Pylon Busterto see would fly well enough built full-size Doollng 61 power plant Flight shot firstflightnote cowling removed easy engine accessibility flow flies cowling RC-actuated landing gear retracted Elevator control via flap R uses nifty bellcrank-and-pushrod arrangement move twin rudders little bug middle pushrod appears teeny pushrod guide Pushrods actuate rudders directlyno horns required February 198547 TAPER ACETM Rib Profiler makes tapered eliptical wing design easy Works faster computer Adjusts locks size rib instantly Curve plates provided draw 3 different full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 II I Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Steve Helms Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Steve Helms 9Q4 478-6745 RADIO SOUTH~ AUTHORIZED SERVICE CENTEI FOR Kraft Pro LineFutaba I *iRI*IEIEI I--I --II 180 E Burgess Rd JR * Futaba Distributor er Inquiries Welcome * diameter cone air higher speed around fuselage friction ed dies turbulence rob moving air its effectiveness is particularly true models large round cowls radial dummy engines Tuibulence friction much reduced largediameter propeller because moving cone air lower velocity further away fuselage have heard stories overprop ping engine somehow injurious has proved true have using Supertigre 60 14-6 prop 16 years WW Sopwith engine good today new Wear actually reduced sixounce fuel tank needed 11000 rpm expect ST 60 use ounce fuel per minute experience shows rate A-ounce per minute 6000 rpm 14-6 prop engine runs cooler less internal friction minimize wear large prop permits slower realistic flight possible lightweight airplanes Heavier models will need airspeed full engine out put reasonable climb performance avoid risk stall after takeoff Impact damage heavier model always greater mishap element flight realism consid erably enhanced sound twostroke engine lower speed lowervolume exhaust gases muffler can restricted Sopwith muffler l-in-diameter aluminum tube solid end plate drilled A-in exit holes threading self-tapping screws several holes amount restriction can tuned best per formance least noise have heard comments Supertigre has sound very similar four-stroke engine model has flown often residential area neighbors arent aware engine sound ing up down often does both very quickly best thing situation slow airplane down very gentle colitrols try ease t6 landing Unfortunately usually occurs first flight airplane out trim anyway Survivors drama seldom have convinced airplane center mass needs moved forward proper range rest make sure its right next airplane center mass too far forward doesnt cause such dramatic conse quences lQt airplanes have bent because symptoms sim ple lot elevator necessary per form loops rolls flare airplatie landings airplane usually dinged landing pilot suddenly dis covets has stick way back airplane still sinking Mov- ing center mass back proper range will cure sinking feeling Bob Dolly Wischer S-221 Laphamkeep landing ear bottom side Peak Rd Delafield WI 53018of wing RC Aerobatics/Van Putte Continued page 45 thoughtlessly change airplanes center mass could mess up perfectly good airplane range locations airplanes center mass trimmable controlla ble stable range actually quite broad intentional reasoned move ment center mass often neces sary improve airplanes flying quali ties Beginners should always make sure airplanes center mass within range recommended plans dramatic consequence improper center mass location behind recommended area. An aft center mass can bring chills flier because airplane suddenly unstable pitch doesnt care whether its pitchRon Van Putte 111 Sleepy Qaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 47 floats overhead Reduced 60% original size Pi1oh Buster shows enough potential hold its own AA Texaco competi tion full-sized fully-powered may well extraordinary Anyone has flying invited let us know goes Two approaches power runs credible explosion activity Y2A Tex aco a9ound world has introduced modelers joys RC OldTimer us thought lOssible Continised page 136 An better example quiet opera tion large prop diameters quarter-scale Aeronca K its Gemini 120 twin four-stroke engine recom mended 16-6 prop will yield 9000 rpm Hand-carved 18-7 props bring engine rpm down 6000 exhaust sound barely heard muffler difference between pro pellers negligible performance open throttle However Aeronca will fly near-scale speed about 4000 rpm large prop engine sound almost inaudible large engine just sips fuel throttle setting less ounce per minute carve props Because experimentation purchased props could quite expensive $10 $13 maple raw material prop costs about ior plus about hours time carving results arent satisfactory prop broken loss small February 198133 Pensacola FL 32503 TIGER TAIL 4 Ron Chidgelis latest best series little larger lighter slower retains honest flight character tistics its predecessors Especially recommended sportsman ad vanced pattern also good choice turn-around pattern Plans ahd construction hints -$995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor England ta efficient design allows substantial reduction noise level actually improving per formance $2000 NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Lrght strong Low-profile selfiocking 3116 width wont cut silicone couplers Pkg 4 clamps $295 RC Old-Timers/Mathews Continued page 133 relatively inexpensive easy-to-build fun-to-fly little rascals absolutely perfect first Old-Timer subjects would anticipate event may finally make point Free Flight frater nity adding RC Free Flight model reduce retrieving problems add usable flying sites sacrilege Interestingly since motor runs timid function much fuel can squeeze Black Widow tank two completely divergent approavh es haye evolved group favors high nitro small props gain lots altitude two three minutes motor run other NEW Sleeve Puller $795 BearIng Puller $695 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long 589SIset ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * Special * Both $1395 See Dealer Order Direct Include 75 Per Item UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-863g favors low nitro 8 x 3 larger props seven- eight-minute motor runs Frankly 15-minute maxes seems better off long runs high-fast approach depends thermals flight slow-low seemingly assures least 10 minutes no lift just little 'help' 15-minute max well within reach obtain long engine runs mod ifications such twoor three head gaskets l0o nitro fuel 8 x 4 8 x 6 props used Needle settings become very critical regular heads may necessary look through large batch Black Widows before properly-fitted fouhd Front bearing slop absolute nono Most also modifying fuel pickup original plastic J-shaped section Yn2 ID brass aluminum tubing East side west side Since 1985 SAM Champs held California AMA Nats Massachusetts RC OldTimer nuts either coast being given chance attend major meets next sum mer middle country can choose attend both 1986 sfiould see reverse setup 1987 SAM Champs would Mid west Ill bet Fort Worth Plainsmen could host super SAM Champs what feel premier site Free Flight RC-Assist amid Acres about Texans Dee B Mathews 8420 Nantucket Wichita KS 67212 responding advertisers mention read about Model Aviation RC Electrics/Kopski Continued page 49 Since personally fly mostly direct drive have little interest hot winds Id much prefer stay reasonable winding select cell count prop size job hand Im happy report Astro has recent ly added bit winding several thefr motors Given option Id always take larger slower direct-drive prop smaller faster kinds models fly realize discussion bit cram sessiofl everything may totally clear everyone Depending reader reaction may get future columns Another new topic time col umn appears will dead winter some places like live means cold temperatures other unpleas antness such frost snow etc Included list less flying doesnt mean no flying cause theres no basic reason Electric cant flown under such conditions So youve won dering about effects cold Electric wonder no Read planes stored tached unheated garage winter garage temperatures often reach freezing otherwise least very cold Ive same house close 20 years have never temperature-related problem air borne radio equipment Electric equipment including batteries charging have routinely brought cold models normal-tempera ture shop charge radio have routinely charged motor batteries snow-covered fields however noticeable difference latter Continued page 138 rAcrylic Clear Dope glues shrinks seals coverings pArtisan Fuel Proofer spray brushdries completely clear tack-free 15 minuteswill dissolve cut paint applying super glossfinish100% brush-mark free Color Clear Feel Proofer 4ez $175 Sex $295 4oz $150 Sos $250 4o $195 Box $395 U Light Green U Orange U Grey U Aluminum U Maroon U Red U Dark Red U Sky BlueU Florescent Grange U Black U White U Cub Yellow U Brown U Tan U Green U Acrylic Clear U Artisan Fuel Proof er U NEW WING TUBE & SOCKETS NEW PermaGritTM Utetlme * Carbide Sanding Tools g p c TUNGSTEN CARBIDE GRIT-Mans hardest . erial next mond - r BRAZED TO --. -. STEEL.S 1 - made Modelers AverageFLAT TOOL 40 x 11/2 X Use e balsa hard woods .tyraffiberglassbeaded foams epoxy fillers .jr.y iglass REYOUTOTRyIT MONEY BACK GUARANTEE FOR MAIL ORDERS ONLY ONLY $6~ YOUR DEALER FIRST OR SEND FOR COMPLETE LIST OF B TOOLS SEND SSAE FOR COMPLETE LIST OF TOOLS DG PRODUCTS CO 209 Carrlands Dr Dayton OH 45429 Si3 294-1192 lOhiores addB% TaxI U Air Brush Hand brush ordering stete color size quantity Add $200 poatage IWI ree add 5% sales taxl I