RADIO CONTROL GIANTS IN THE EARLY DAYS Giant Scale business sad lack suitable power plants Before venerable Quadras came general use resourceful model builders adapted Ropers Ohisson Rice engines power large-size RC models Another solution big bird power problem use speed reduction drives high-revving 60 glow plug geared down using toothed rubber belt couple drive pulleysa small engines prop shaft much larger diameter supported metal framework engine turned its normal 10000 12000 rpm larger-than-normal prop 60-size engine bolted larger drive pulley spun 5000-6000 rpm system worked well smaller lighter giants days several reduction drives available commercially Most made cast aluminum machined flats mounting engine ballbearing subshaft propeller bolted place latter adjustable toothed drive belt could aligned tightened Propellers up 18 inches diameter used high degree efficiency course Quadras Zenoahs Kioritzes spelled doom reduction drives superior power gas burners easily overcame 10cc glow plug predecessors allowed construction larger heavier RC models speed reduction drive idea didnt really die however lingered back burner about 10 years waiting British master scale model designer builder flier Mick Reeves revive itin spades Mick has developed tested marketing Torquemaster unit designed used Zenoab G-62 talking about 28- 30-inch propellers device permits choice three different reduction ratios 151 l75lor201 Torquemaster weighs 2/2 pounds adds 21/s inches length Zenoah gives Beb TORQUEMASTER Speededcbon e,e ~I torZENOAN6ZS thrust direct drive already potent engine uses twin pulley toothed rubber belt system Besides performance engine efficiency gains using device other potential advantages Mick s reduction drive realized propeller s axis raised center enginein side front viewsand should make cowling Zenoab G-62 lot easier Torquemaster bolt-on installation no engine mods required should add versatility Zenoah possible return direct drive minimum effort bird doesnt need extra oomph now good news Bob Holman Bob Holman Plans PO Box 741 San Bernardino CA 92402 marketing Reeves Torquemaster States want spin hefty prop Zenoah drop him line probably isnt news good Giant Scale models start research Whether built plans kits initial step find out exactly prototype looks Three-views photos heck lot airplanes available sources such Bob Bankas Scale Model Research 2334 Ticonderoga Way Costa Mesa CA 92626 Doc Pepinos Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Dick Gleason Gleason Enterprises 1106 10th Ave Austin MN 55912 Spepg Seya Cab SIenoPS bCabmo cdback 0 0by 00000 Onan Beyes obe Vow4 5k n0~—r TOROUEMASTER 0SftSpeed redoobon dyvo \ \S0on ZENOAN 625 --7 Building model relatively obscure bird can ofttimes frustrating because lack data Happily host publications just might contain needed information available Three publications thatll often provide research info World War buffs print Leo Opdycke puts out five issues year World War Aeroplanes Write Leo 15 Crescent Rd Poughkeepsie NY 12601 Over Front League World War Aviation Historians Treasurer PO Box 260327 Plano TX 75026-0327 publishes four books year Finally Cross & Cockade International also publishes quarterlies full WW lore Write Membership Secretary Andrew G Kemp Glenside Church Road Lydgate Todmorden West Yorkshire England 0L145 8HW publishing organization has yearly dues references included column useful information often well worth price Several publications provide valuable research data model preferences aligned Golden Age Aviation period between world wars Skyways published Leo Opdycke address above edited Kenn Rust outstanding data period frequently contains three-views truly obscure aircraft well number clear close-up photos too American Aviation Historical Society has publishing quarterlies seemingly forever Membership AAHS includes four newsletters year Contact em 2333 Otis Santa Ana CA 92704 Rudy Profant American Air Racing Society 4060 West 158 St Cleveland OH 44135 has great Kerka drawings prewar racing aircraft Society Air Racing Historians publishes Golden Pylons bimonthly basis contact person Herman Schaub Treasurer 159 Marian Lane Berea OH 44017 want work done large-scale racer drawings available Bert Thompson 219 White City Blvd Springfield IL 62703 Don Neill 1120 South 40th St Lincoln NE 68510 86 Model Aviation Reevess Torquemaster speed reduction drive Zenoah G-62s practical device turns already powerful gas burner world-beater Ron Weisss third scale Fokker DVIII Flying Razor Plans Rons drawings available Consult column additional information UU-NO MORE WORRY ABOUT CRITICAL RADIO PLUGS BECOMING DISCONNECTED WHEN YOU USE THIS NEW WELL DESIGNED SAFETY ITEM PI Safety Ass U PROVIDES POSITIVE SECURELY LOCKED CONNECTION SNAP ACTION PROVIDES FOR OUICK AND EASY INSTALLATION AND REMOVAL OF THE SAFETY CLIP WHEN YOU UNPLUG THE CLIP CAN BE INSTALLED ON THE LARGER PORTION OF THE PLUG FOR SAFEKEEPING FOR USE ON PLANES HELICOPTERS CARS AND BOATS CONSTRUCTED OF NYLON FOR LIFETIME USE THREE SAFETY CLIPS SUPPLIED PER PACKAGE FOR USE ON BATTERY PACK AND AILERON PLUGS OR OTHER EXTENSIONS PACKAGE PRICE 9 SEE YOUR LOCAL HOBBY DEALER SAFETY CLIPS AVAILABLE FOR THE FOLLOWING PLUGS Airtronics Aristocraft 5 Slim Cirrus C Cox Futaba J Hitec JR Kyosho BUY PACK TO GUARD AGAINST IMPACT Parsons Pmducts PO Box 82038 Baton Rouge LA 70884-2038 Gee Bees turn Ofl write Henry Haffke RR #1 Box 22 Londonderry VT 05148 documentation information out just have tap right source giant will scale perfection Ive included photograph Ron Weisss latest Giant Scale gem Its 1/3-scale Fokker DVIII Hying Razor wingspan nine feet three inches 1650 square-inch area fuselage 74 inches long model weighs 30 pounds Kioritz 24cubic-inch engine powers Ron searched long hard authentic set threeviews Fokker found World War Aeroplanes Heinz J Nowarra s efforts Harleyford Publications model pictured has flying since 1985 Ron reports closely duplicates originals flight characteristics bird bit antsy landings like other models WW aircraft handles like big Cub air anyone interested duplicating big DVIII Ron offers drawings Contact Ron Weiss 20 Linda P1 Huntington NY 11743and include large SASE Ron also offers definitive 1A-scale plans set 1930 Fleet 2 biplane Ive seen Fleet drawings theyre superb columnists get gray hair addition fine letters receive readers get manner news releases manufacturers model-related products latter 99% great value keeping informed whats available make modelers life easier remaining percent obtuse confuse heck out rational person Got latter about week ago What amounted instruction sheet rather complex device Although named device indicated its price just functioned almost complete mystery news release soon found home proverbial File 13 circular oneand noted several new gray tendrils temples Make em big fly em big Back next month oaringlBlakeslee Continued page 85 actual test model coordinates PT designation should used will add probably necessary average error greater 0004 inches Reference effect made page 52 90 Soartech #8 food thought what would-be competitors constantly searching latest hot airfoil now told probably cant build wing performs book says Some builders may find no-suchthing-as-perfect concept depressing submit however can actually add fun building flying comparing model sailplanes shops carefully cut ribs make templates cut foam cores bag fiberglass obechi skins sand out imperfections thinking little change here.a tweak there.this glider could turn out being demon supership live hopes hitting jackpot Soartech #9 available Soartech #8 Airfoils Low Speeds popular has delayed publication next number Number 9 now available $8 postage paid US Included #9 following papers Use Wind Tunnel Data Design RC Contest Model Sailplanes Martin Simons Static Longitudinal Stability CROCCO Method Ferdi Gale Fear Flying Wing Noel Falconer Wing Load Computation Max Chernoff What Can Learned Paper Airplanes Hewitt Phillips Built-In Sheeting Dennis Oglesby Publisher Herk Stokely says has enough material hand put out Soartech #10 fairly soon will 200 pages long will feature photo essay Martin Bamert covering aspects creation completely composite model Continued page 90 BPLGAIN ION IDOL ing Control can nightmare wrong response given Command Can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control D Fuataba KRAFT CN jAIRThMICS 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Please) June 1993 87
Edition: Model Aviation - 1993/06
Page Numbers: 86, 87
Edition: Model Aviation - 1993/06
Page Numbers: 86, 87
RADIO CONTROL GIANTS IN THE EARLY DAYS Giant Scale business sad lack suitable power plants Before venerable Quadras came general use resourceful model builders adapted Ropers Ohisson Rice engines power large-size RC models Another solution big bird power problem use speed reduction drives high-revving 60 glow plug geared down using toothed rubber belt couple drive pulleysa small engines prop shaft much larger diameter supported metal framework engine turned its normal 10000 12000 rpm larger-than-normal prop 60-size engine bolted larger drive pulley spun 5000-6000 rpm system worked well smaller lighter giants days several reduction drives available commercially Most made cast aluminum machined flats mounting engine ballbearing subshaft propeller bolted place latter adjustable toothed drive belt could aligned tightened Propellers up 18 inches diameter used high degree efficiency course Quadras Zenoahs Kioritzes spelled doom reduction drives superior power gas burners easily overcame 10cc glow plug predecessors allowed construction larger heavier RC models speed reduction drive idea didnt really die however lingered back burner about 10 years waiting British master scale model designer builder flier Mick Reeves revive itin spades Mick has developed tested marketing Torquemaster unit designed used Zenoab G-62 talking about 28- 30-inch propellers device permits choice three different reduction ratios 151 l75lor201 Torquemaster weighs 2/2 pounds adds 21/s inches length Zenoah gives Beb TORQUEMASTER Speededcbon e,e ~I torZENOAN6ZS thrust direct drive already potent engine uses twin pulley toothed rubber belt system Besides performance engine efficiency gains using device other potential advantages Mick s reduction drive realized propeller s axis raised center enginein side front viewsand should make cowling Zenoab G-62 lot easier Torquemaster bolt-on installation no engine mods required should add versatility Zenoah possible return direct drive minimum effort bird doesnt need extra oomph now good news Bob Holman Bob Holman Plans PO Box 741 San Bernardino CA 92402 marketing Reeves Torquemaster States want spin hefty prop Zenoah drop him line probably isnt news good Giant Scale models start research Whether built plans kits initial step find out exactly prototype looks Three-views photos heck lot airplanes available sources such Bob Bankas Scale Model Research 2334 Ticonderoga Way Costa Mesa CA 92626 Doc Pepinos Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Dick Gleason Gleason Enterprises 1106 10th Ave Austin MN 55912 Spepg Seya Cab SIenoPS bCabmo cdback 0 0by 00000 Onan Beyes obe Vow4 5k n0~—r TOROUEMASTER 0SftSpeed redoobon dyvo \ \S0on ZENOAN 625 --7 Building model relatively obscure bird can ofttimes frustrating because lack data Happily host publications just might contain needed information available Three publications thatll often provide research info World War buffs print Leo Opdycke puts out five issues year World War Aeroplanes Write Leo 15 Crescent Rd Poughkeepsie NY 12601 Over Front League World War Aviation Historians Treasurer PO Box 260327 Plano TX 75026-0327 publishes four books year Finally Cross & Cockade International also publishes quarterlies full WW lore Write Membership Secretary Andrew G Kemp Glenside Church Road Lydgate Todmorden West Yorkshire England 0L145 8HW publishing organization has yearly dues references included column useful information often well worth price Several publications provide valuable research data model preferences aligned Golden Age Aviation period between world wars Skyways published Leo Opdycke address above edited Kenn Rust outstanding data period frequently contains three-views truly obscure aircraft well number clear close-up photos too American Aviation Historical Society has publishing quarterlies seemingly forever Membership AAHS includes four newsletters year Contact em 2333 Otis Santa Ana CA 92704 Rudy Profant American Air Racing Society 4060 West 158 St Cleveland OH 44135 has great Kerka drawings prewar racing aircraft Society Air Racing Historians publishes Golden Pylons bimonthly basis contact person Herman Schaub Treasurer 159 Marian Lane Berea OH 44017 want work done large-scale racer drawings available Bert Thompson 219 White City Blvd Springfield IL 62703 Don Neill 1120 South 40th St Lincoln NE 68510 86 Model Aviation Reevess Torquemaster speed reduction drive Zenoah G-62s practical device turns already powerful gas burner world-beater Ron Weisss third scale Fokker DVIII Flying Razor Plans Rons drawings available Consult column additional information UU-NO MORE WORRY ABOUT CRITICAL RADIO PLUGS BECOMING DISCONNECTED WHEN YOU USE THIS NEW WELL DESIGNED SAFETY ITEM PI Safety Ass U PROVIDES POSITIVE SECURELY LOCKED CONNECTION SNAP ACTION PROVIDES FOR OUICK AND EASY INSTALLATION AND REMOVAL OF THE SAFETY CLIP WHEN YOU UNPLUG THE CLIP CAN BE INSTALLED ON THE LARGER PORTION OF THE PLUG FOR SAFEKEEPING FOR USE ON PLANES HELICOPTERS CARS AND BOATS CONSTRUCTED OF NYLON FOR LIFETIME USE THREE SAFETY CLIPS SUPPLIED PER PACKAGE FOR USE ON BATTERY PACK AND AILERON PLUGS OR OTHER EXTENSIONS PACKAGE PRICE 9 SEE YOUR LOCAL HOBBY DEALER SAFETY CLIPS AVAILABLE FOR THE FOLLOWING PLUGS Airtronics Aristocraft 5 Slim Cirrus C Cox Futaba J Hitec JR Kyosho BUY PACK TO GUARD AGAINST IMPACT Parsons Pmducts PO Box 82038 Baton Rouge LA 70884-2038 Gee Bees turn Ofl write Henry Haffke RR #1 Box 22 Londonderry VT 05148 documentation information out just have tap right source giant will scale perfection Ive included photograph Ron Weisss latest Giant Scale gem Its 1/3-scale Fokker DVIII Hying Razor wingspan nine feet three inches 1650 square-inch area fuselage 74 inches long model weighs 30 pounds Kioritz 24cubic-inch engine powers Ron searched long hard authentic set threeviews Fokker found World War Aeroplanes Heinz J Nowarra s efforts Harleyford Publications model pictured has flying since 1985 Ron reports closely duplicates originals flight characteristics bird bit antsy landings like other models WW aircraft handles like big Cub air anyone interested duplicating big DVIII Ron offers drawings Contact Ron Weiss 20 Linda P1 Huntington NY 11743and include large SASE Ron also offers definitive 1A-scale plans set 1930 Fleet 2 biplane Ive seen Fleet drawings theyre superb columnists get gray hair addition fine letters receive readers get manner news releases manufacturers model-related products latter 99% great value keeping informed whats available make modelers life easier remaining percent obtuse confuse heck out rational person Got latter about week ago What amounted instruction sheet rather complex device Although named device indicated its price just functioned almost complete mystery news release soon found home proverbial File 13 circular oneand noted several new gray tendrils temples Make em big fly em big Back next month oaringlBlakeslee Continued page 85 actual test model coordinates PT designation should used will add probably necessary average error greater 0004 inches Reference effect made page 52 90 Soartech #8 food thought what would-be competitors constantly searching latest hot airfoil now told probably cant build wing performs book says Some builders may find no-suchthing-as-perfect concept depressing submit however can actually add fun building flying comparing model sailplanes shops carefully cut ribs make templates cut foam cores bag fiberglass obechi skins sand out imperfections thinking little change here.a tweak there.this glider could turn out being demon supership live hopes hitting jackpot Soartech #9 available Soartech #8 Airfoils Low Speeds popular has delayed publication next number Number 9 now available $8 postage paid US Included #9 following papers Use Wind Tunnel Data Design RC Contest Model Sailplanes Martin Simons Static Longitudinal Stability CROCCO Method Ferdi Gale Fear Flying Wing Noel Falconer Wing Load Computation Max Chernoff What Can Learned Paper Airplanes Hewitt Phillips Built-In Sheeting Dennis Oglesby Publisher Herk Stokely says has enough material hand put out Soartech #10 fairly soon will 200 pages long will feature photo essay Martin Bamert covering aspects creation completely composite model Continued page 90 BPLGAIN ION IDOL ing Control can nightmare wrong response given Command Can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half Century Combined experience modeling radio repair So avoid inflated repair Costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control D Fuataba KRAFT CN jAIRThMICS 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Please) June 1993 87
