FAREWELL loyal friends readers would like express thanks apprecia tion took time write concerning interest model aviation column will conclude 12-year tenure writing Speed column During time have made quite few friends feel sense loyalty months column will cover some let ters received modelers across world Also would like discuss what takes develop two-cycle engine commercial military application past three years have opportu nity work research program concerned development two-cycle engines dif ferent corporations military organizations difficult discuss several patents security issues surrounding appli cation end product order develop engine whether its two-cycle four-cycle need parameters set order determine what necessary obtain end result will focus 65-size engine see photo used test vehicle determine operating ranges conditions expansion heating problems problems asso ciated fluid gas flow mind-boggling Also amount paperwork associated research project nature over whelming applications two-cycle en gines would absolutely blow mind develop engine type requires lot time machining capability no way would attempt build engine today CNC computer numerical controlRMcM ma chining capability initial investment build two-cycle engine nature requires capi Continued page 18] An engine crankcase mounted fixture L Enshu Vertical CNC Machining Center parts R 65 engine made use test vehicle research program 70 Model Aviation Conoi Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 hotbed Texas CL Speed activity came recent Southwest Model Airplane Cham pionships Mike Fisk Ft Worth TX won Dyna-Jet engine donated Gene Hempel feat placing first Sport Jet Speed count nine Jet entries photo completed developmental twin-cylinder 2cycle engine ready test running industrial-type engine author Gene Hem pel has working some time George Fogartys Sport Jet Speed model clocked 13000 mph Southwest meet cost develop engine will exceed $25000 particular engine will turn 23000 rpm us ing full 9 x 13 Rev-Up prop 10%-nitro fuel wealth information have gleaned project concerning porting design material So want build own Speed en gines Gene says need two CNC machine tools days $200000 worth Machine photo below can make 65-size crankcase five minutesinstead the weeks required old methods would willing assist anyone wished convert radio CL use would willing help phone wish attempt conversion will make conversion nominal charge youre interested service contact Calvin Wollitz mail 8996 Barco Ln Jacksonville FL 32222 tele phone 1-904/771-0613 CL Speed/Hempel Continued page 70 tal outlay approximately $200000 no stretch imagination garage-shop opera tion foregoing proves want go fast need good machining capability Without mercy others work working project discovered so-called engine builders few really know design good two-cycle engine plan future author book development operation two-cycle en gines diagram mailed modeler share Use ram air induction John Hunton Annan dale VA gs1v~e FLOA/ AIZYALV1 TM P4cn3 TMmtz ia-r I1 .-I 4. E A_____ XX\\XN l 5lrMIeeCTNevegAhswta&-- . 44rT- Fog lNVC77LV few items own scrapbook Piston ring fits hidden danger ever piston rings standard shape will cause excessive heat obtain tension rings should filed shape shown drawing Excessive un tension rings thus eliminated well undue friction edges rings should broken scraper Excessive pres sure rings cylinder bore produces friction friction equals heat occurs already have abundance heat Il~ 5/an dcvrd Ps/on RI79 II N41 h inued page 182 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART GALLON 0%Nitromthin$1075 5%Nitrom*thane$365$525$1275 10% Nitrort*n $415$55O$1475 15% Nitrornethane $430$65$1675 25% Nitrori*flwn $$ 15$7S$2195 35% Nitromethane $5 95 $925 $2695 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425 15% Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself ge mithoot notce See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 February 1990 181 SMART LIGHT RC BATTERY VOLTAGE MONITOR FLY SAFE WITH SMART LIGHT TINY TESTERS Smen Light Mount plane end plugs-In between Receiver end Swhch evallehl panel mount toggle swItch PrecIsIon IC voltege detector circuitS5AR UWfl El-color LED Glowsu sultan 1590cc GREEN FlIght peck turned ON end Buttery Voltege greeter 48 VOC RED Bettery lees 48 VDC SpecIfy IlIght penklnoneector encouron FUTABA J G Butte 485 Deane 3 pIn FUTABAHobby Shack 3 pln$1505 No cennacters use yours 5 Sonert LIght wIth Swltch.ADD $508 Smerl LIght RC Bettery TesterICycler $3588 checks flight heltery elanelated flIght loads Tester Adjuetekle Voltage Regulator $2455~g4nvooIuuu 7 28 Vdc Input 45 55 Vdc 15 Amp output Tlny Tester Csllhratlon Vettegs $1555 volt kettary Input 5 uco Vdc output Send Check Money Order Add $3 Postage Handling PA Residents add 6% Sales Tax ZZ ENTERPRISES INC 631 MANCHESTER ROAD NORRISTOWN PA 19403 TELE 215539-7476 TEXAS SLOW Outstanding New Combat/Sport Plane 52q Includes Complete Hardware 0 Belicrank outs s S Hinges s & Nuts Send $100 catalog Precision Foam Wing Corescontrol-line combat specialties Dealer & Distrsbutor inquinee Welcome mm760 Waltonvifle Road 17036 566-381O Championship Design Strong & Stable Fast Easy Assembly High Performance Engine Included ndereen 05% Iso Only certified checito money orders accepted Minimum order $1200 three packages 4 Powercoles $350 per package $150 shippers handling CT residents add 75% OateO tan Prices subiect change notice DAL3N tNOUIIUS INVI1WD Pc turther intorsatioe dealer paces send SASE Buseess Cord SERMO R/C SNAP CONNECTORSInc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 &vk ed Pk/oi Am P/on -/k79-Prof//es Single-blade prop design following dia gram suggestion construct single bladed prop comes Alberto Cromberg Argentina letter reads follows pleasure reading column MA last week Argentina fly FAT Speed course everyone uses single-bladed propeller difficult balance exactly have borrowed technique Team Rac ing modelers believe following steps drawings will make easier build Cut preferred prop 2 Glue center made wood alumi num 3 Make mold 4 Machine counterweight brass stock perhaps lead 5 Mold prop counterweight side mold 6 Balance 7 Machine prop nut spinner see sketch detail PROP HUB IS AFT END OF SPINNER K Efficiency various port shapes tcnatet *eta2.Cruie ing remote needle valve ouc7 51100W 001MW 3/t5 H0WAGON SIfT ma seoci aisuss Thank helping make Speed col umn informative ideas suggestions Goodbye CL Navy Carrier/Perry Continued page 71 ordered production plant struck earthquake time war ended eight aircraft come off production line will name winner December Mystery Plane contest time because en tries still catching up after having sent New York winners name will appear April column OD QUADRA __ RT 1 NEODESHA KS 66757 _____ 316325-2821 DEALERS CALL I SEND $1 FOR COMPLETE CATALOG FEATURING Fully Illustrated menufeturers fst Ha shown Hardware tools paints adhesives engines. Invajusbie reference product selectIon use Unique HSS brand products maifor evety serious modeler$300 ppd HOBBY SUPPLY SOUTH ________5060 Glade Road Acworth GA 30101 404 974-0643 SAFETPOXY SAFE T unique two-component epoxy laminating system developed offer user safest highest quality laminating resin available 114 Pt Kit- $1800 11A Qt Kit- *2600 Glass Cloth 58 oz/sq yd 38x6ft-$90038x15ft$1900 38 x30ft $3500 add *300 Ship ft Hand above items Send SASE additional information ACPs Lightweight Composite Materials Order COD Send Check Money Order AEROSPACE COMPOSITE PRODUCTS P0 Box 16621 Dept Al Irvine CA 92714 Source br Lightweight Materials 182 Model Aviation COUNTERWEIGHT GLUE BALSA TIPS TO COUNTERWEIGHT TO AVOID GAPS IN THE EPOXY BALANCE PROP BY DRILLING HOLES IN THE COUNTER WEIGHT FRONT TO REAR Model Hardware iIibIt Worlds Most Complete Hardware Catalog QUADRA ENGINES & PARTS SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE R/C PLANS Performance Specialties owned operated World Pylon Racing Champion Dave Shadel customize maintain majority high performance engines used todays racing enthusiasts addition work racing engines also repair customize 05 Supertigre engines well providing warranty service repairs Bob Violett Moders KBV 72 82 complete line Webra engines custom engines used some top aerobatic racing pilots world interested World Class performance please contact us weekday between 10 am 5 pm West Coast time Well look forward hearing Please send $100 descriptive brochure Visa & Mastercard accepted Aircraft Racing Headquarters PERFORMANCE SPECIALTiES Custom ABC Piston / Cylinder Assemblies True Chrome Plating Higher Performance & Longer Wear 1muautSkks QUSUlY RADIO OON1L OLU Available K&B 65 75 05 40 VFNRP 05 61 FSR 05 61 VF 0S Long Stroke 61 Rossi 40 65 81 Supertigre X-40 YS60 FS/FR YS Long Stroke Others Coming Soon Performance Specialties PO Box 4003 sbad CA 92008 619 729-1658 months Mystery Plane first likely last V-tailed carrier aircraft will see column t am aware no other V-tail designs other sister aircraft subject months contest know others Id happy hear Entries Mystery Plane contest should sent new address tll select winner random correctly identifying air craft Profile Zero t wish could say De cember Mystery Plane feature inspired model appears accompanying photos Bill Bischoff completed model long before A7MI appeared Besides its Zero Sam Bills Zero designed especially OS 32F ABC engine has significant ad vantage being readily availableat discount too Besides its availability 32F ABC bene fits usual high-quality workmanship excellent engineering typical OS en gines Bill has found very reliable easy engine operate still experimenting props flying 83 mph high speeds early testing model uses foam wing built-up pro file fuselage total weight 35 oz line slider released tail hook drops flex ible cable operating nylon tube useful item RC compatriots pulls pin physics having bellcrank mounted aft balance point takes care rest Bills very simplebut reliablelatch mechanism holds slide full aft position clearly shown photos external mounting control system simpler also permits line slider take advantage full range travel al lowed rules single hole slide will result creation large amount elevator movement slide moves aft Bill compensates movement using topmounted elevator horn way elevator sumes slight up position slide moves aft requiring less Up handle during slow flight Bill does use lead-outs choosing instead run lines directly bellcrank connec tion loop-and-button system used years Speed fliers recently Racing Combat modelers Bill fashioned buttons shortening 4-40 blind mounting nuts remov ing teeth short bolt attaches buttons bellcrank assisted little solder ensure vibration wont loosen bolts line loops include one-inch length Tef lon tubing normally used applicator cy anoacrylate glue buttons line ends color coded paint ensure no confu sion making proper connections Bipe 89/Hunton Continued page 83 Flying Bipe first Control Line mod el its hardly necessary say would wise consult experienced flier before making first attempt good cases lot grief can saved way case youll find Bipe has ample stability very easy handle ruggedness brings through bad accident experienced flier need afraid execute just about maneuver book Bipe model will re spond zip makes such thrill fly airplane equally responsive flying inverted upright flight pat tern limited capabilities As suggestion use 50-ft lines smaller engines 60-ft lines larger ones Eight-inch propellers work best glow plug ignition engines die sels seem need IO-in-pitch props best results' May Bipe bring happy flights SAM Champs/Darkow Continued page 92 RC Electric Limited Motor Run 21 entrants 1 George Joki Leisure Bomber 2 Dale Tower Lei sure Playboy 3 Fred Mulholland Leisure Bomber 4 Ray Westland Leisure Bomber 5 Pete Rafferty Leisure Bomber RC Class B Ignition 39 entrants 1 Jim Rey nolds Lanzo Bomber/Orwick 29 2 Joe Percy Bomber/Torpedo 29 3 Bruce Norman Kerswap/ Torpedo 29 4 Ed Shilen Playboy/Forster 29 5 Murvil Lipsey Playboy/Torpedo 29 RC Class B Glow 33 entrants 1 Jim Reynolds Playboy/K&B 35 2 Jim Kyncy KerswaplK&B 49 3 Joe Percy Bomber/SuperTigre 29 4 Art White Bomber/K&B 35 5 Bruce Norman Bomber/ST 29 RC Class Ignition 33 entrants 1 Larry David son Playboy Jr/Elfin 249 2 Jim Reynolds Bomb er/Elfin 249 3 Bruce Norman Bomber/Ohlsson Build could flying IF YOU WANT IT TO FLY LIKE ARROW IT MUST BE BUILT LIKE ONE Ill Build Any Kit Finish can supply complete planes framed up kits Complete Planes Ill Test Fly Call Phil Good 215741-0433 P06 ox 352 Langhornt PA 19047 February 1990 183 t Stock foi I.EoOe 8hmooot ZENOAM 04237 ca In$26495 ZENOAN 023 *18216 ZENOAN 030 16 sAcHS 26 TCA 00 5ACH5 32 TCA 00 SACUS 37 CDI 00 5ACH5 37 TCA 00 5ACH5 59cm 00 SACHS 58 TCA 00 Jim Meesar ERCOUPEPLANS *2306 FU KIT $23896 Jim Mw TOMAHAWK PLANS $2386 PULL KIT *23896 Jim M.aar J3 KITrEFIPLANS $2896 FULL KIT *21898 Qoadre 825 moons end. etort $24408 Qoedra UP orlmln $18096042CD1 wimimiec 96 SUPSR-FLSX GasoOno eklng 5. 20 ftJ$12 801153880 FLOATS 49 1l4 scalecoral *2196 cempias kit $4780 10 WYI-i WHEELS $3586P1K Spring Startar $3896 PLANS SUPER STEARMAN 114 iGodfrayi $3596 1i3TAYLORCRAFTor1I3CUE NE $3586 MGA Painted Piiot Soete 114 cc. 5$J5J WW2 Civ *1996 Sorvos H402 42 $5296 Wonid 518 irga modeb*4486 Prop aii do. SR DYNATURUST 20% ff US Quatire FUEL TANKS 16 32. * 896 CARBONFiBER ARROW SHAFTS SilS x23 ongOfor $1196 24 Hr B,iO $290 pontage Sank Check Mo 0 JIM MESSERS QUALITY MODEL PRODUCTS vailay View Drive Eon 43 Aliegany NY 14796 1/4 SCALE GLIDER KIT Premium Quality Kit European Quality American Technology Piece Gel-Coated Fuselage Pro-Manufactured Wings w/Carbon Fiber Spare end Obechi Sheeting • Slope Thermal 000 plus $25 Shipping 1/4 & 1/5 Scale Glider Retracts Precision Machined Aerospace Specs Made 6061 T6 Aluminum 650 plus $5 Shipping & Handling 5 Foot Long 1/IS Misic Wire Puehrode Nylon Outer Casing 93 plus $3 Shipping SCALE GLIDER COMPONENTS 7034 Porn P1 Corlubod CA 91009 16191 931-1436 CA Residents odd 7% Scnd stawynd rnvniope warn isle
Edition: Model Aviation - 1990/02
Page Numbers: 70, 181, 182, 183
FAREWELL loyal friends readers would like express thanks apprecia tion took time write concerning interest model aviation column will conclude 12-year tenure writing Speed column During time have made quite few friends feel sense loyalty months column will cover some let ters received modelers across world Also would like discuss what takes develop two-cycle engine commercial military application past three years have opportu nity work research program concerned development two-cycle engines dif ferent corporations military organizations difficult discuss several patents security issues surrounding appli cation end product order develop engine whether its two-cycle four-cycle need parameters set order determine what necessary obtain end result will focus 65-size engine see photo used test vehicle determine operating ranges conditions expansion heating problems problems asso ciated fluid gas flow mind-boggling Also amount paperwork associated research project nature over whelming applications two-cycle en gines would absolutely blow mind develop engine type requires lot time machining capability no way would attempt build engine today CNC computer numerical controlRMcM ma chining capability initial investment build two-cycle engine nature requires capi Continued page 18] An engine crankcase mounted fixture L Enshu Vertical CNC Machining Center parts R 65 engine made use test vehicle research program 70 Model Aviation Conoi Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 hotbed Texas CL Speed activity came recent Southwest Model Airplane Cham pionships Mike Fisk Ft Worth TX won Dyna-Jet engine donated Gene Hempel feat placing first Sport Jet Speed count nine Jet entries photo completed developmental twin-cylinder 2cycle engine ready test running industrial-type engine author Gene Hem pel has working some time George Fogartys Sport Jet Speed model clocked 13000 mph Southwest meet cost develop engine will exceed $25000 particular engine will turn 23000 rpm us ing full 9 x 13 Rev-Up prop 10%-nitro fuel wealth information have gleaned project concerning porting design material So want build own Speed en gines Gene says need two CNC machine tools days $200000 worth Machine photo below can make 65-size crankcase five minutesinstead the weeks required old methods would willing assist anyone wished convert radio CL use would willing help phone wish attempt conversion will make conversion nominal charge youre interested service contact Calvin Wollitz mail 8996 Barco Ln Jacksonville FL 32222 tele phone 1-904/771-0613 CL Speed/Hempel Continued page 70 tal outlay approximately $200000 no stretch imagination garage-shop opera tion foregoing proves want go fast need good machining capability Without mercy others work working project discovered so-called engine builders few really know design good two-cycle engine plan future author book development operation two-cycle en gines diagram mailed modeler share Use ram air induction John Hunton Annan dale VA gs1v~e FLOA/ AIZYALV1 TM P4cn3 TMmtz ia-r I1 .-I 4. E A_____ XX\\XN l 5lrMIeeCTNevegAhswta&-- . 44rT- Fog lNVC77LV few items own scrapbook Piston ring fits hidden danger ever piston rings standard shape will cause excessive heat obtain tension rings should filed shape shown drawing Excessive un tension rings thus eliminated well undue friction edges rings should broken scraper Excessive pres sure rings cylinder bore produces friction friction equals heat occurs already have abundance heat Il~ 5/an dcvrd Ps/on RI79 II N41 h inued page 182 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART GALLON 0%Nitromthin$1075 5%Nitrom*thane$365$525$1275 10% Nitrort*n $415$55O$1475 15% Nitrornethane $430$65$1675 25% Nitrori*flwn $$ 15$7S$2195 35% Nitromethane $5 95 $925 $2695 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425 15% Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself ge mithoot notce See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 February 1990 181 SMART LIGHT RC BATTERY VOLTAGE MONITOR FLY SAFE WITH SMART LIGHT TINY TESTERS Smen Light Mount plane end plugs-In between Receiver end Swhch evallehl panel mount toggle swItch PrecIsIon IC voltege detector circuitS5AR UWfl El-color LED Glowsu sultan 1590cc GREEN FlIght peck turned ON end Buttery Voltege greeter 48 VOC RED Bettery lees 48 VDC SpecIfy IlIght penklnoneector encouron FUTABA J G Butte 485 Deane 3 pIn FUTABAHobby Shack 3 pln$1505 No cennacters use yours 5 Sonert LIght wIth Swltch.ADD $508 Smerl LIght RC Bettery TesterICycler $3588 checks flight heltery elanelated flIght loads Tester Adjuetekle Voltage Regulator $2455~g4nvooIuuu 7 28 Vdc Input 45 55 Vdc 15 Amp output Tlny Tester Csllhratlon Vettegs $1555 volt kettary Input 5 uco Vdc output Send Check Money Order Add $3 Postage Handling PA Residents add 6% Sales Tax ZZ ENTERPRISES INC 631 MANCHESTER ROAD NORRISTOWN PA 19403 TELE 215539-7476 TEXAS SLOW Outstanding New Combat/Sport Plane 52q Includes Complete Hardware 0 Belicrank outs s S Hinges s & Nuts Send $100 catalog Precision Foam Wing Corescontrol-line combat specialties Dealer & Distrsbutor inquinee Welcome mm760 Waltonvifle Road 17036 566-381O Championship Design Strong & Stable Fast Easy Assembly High Performance Engine Included ndereen 05% Iso Only certified checito money orders accepted Minimum order $1200 three packages 4 Powercoles $350 per package $150 shippers handling CT residents add 75% OateO tan Prices subiect change notice DAL3N tNOUIIUS INVI1WD Pc turther intorsatioe dealer paces send SASE Buseess Cord SERMO R/C SNAP CONNECTORSInc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 &vk ed Pk/oi Am P/on -/k79-Prof//es Single-blade prop design following dia gram suggestion construct single bladed prop comes Alberto Cromberg Argentina letter reads follows pleasure reading column MA last week Argentina fly FAT Speed course everyone uses single-bladed propeller difficult balance exactly have borrowed technique Team Rac ing modelers believe following steps drawings will make easier build Cut preferred prop 2 Glue center made wood alumi num 3 Make mold 4 Machine counterweight brass stock perhaps lead 5 Mold prop counterweight side mold 6 Balance 7 Machine prop nut spinner see sketch detail PROP HUB IS AFT END OF SPINNER K Efficiency various port shapes tcnatet *eta2.Cruie ing remote needle valve ouc7 51100W 001MW 3/t5 H0WAGON SIfT ma seoci aisuss Thank helping make Speed col umn informative ideas suggestions Goodbye CL Navy Carrier/Perry Continued page 71 ordered production plant struck earthquake time war ended eight aircraft come off production line will name winner December Mystery Plane contest time because en tries still catching up after having sent New York winners name will appear April column OD QUADRA __ RT 1 NEODESHA KS 66757 _____ 316325-2821 DEALERS CALL I SEND $1 FOR COMPLETE CATALOG FEATURING Fully Illustrated menufeturers fst Ha shown Hardware tools paints adhesives engines. Invajusbie reference product selectIon use Unique HSS brand products maifor evety serious modeler$300 ppd HOBBY SUPPLY SOUTH ________5060 Glade Road Acworth GA 30101 404 974-0643 SAFETPOXY SAFE T unique two-component epoxy laminating system developed offer user safest highest quality laminating resin available 114 Pt Kit- $1800 11A Qt Kit- *2600 Glass Cloth 58 oz/sq yd 38x6ft-$90038x15ft$1900 38 x30ft $3500 add *300 Ship ft Hand above items Send SASE additional information ACPs Lightweight Composite Materials Order COD Send Check Money Order AEROSPACE COMPOSITE PRODUCTS P0 Box 16621 Dept Al Irvine CA 92714 Source br Lightweight Materials 182 Model Aviation COUNTERWEIGHT GLUE BALSA TIPS TO COUNTERWEIGHT TO AVOID GAPS IN THE EPOXY BALANCE PROP BY DRILLING HOLES IN THE COUNTER WEIGHT FRONT TO REAR Model Hardware iIibIt Worlds Most Complete Hardware Catalog QUADRA ENGINES & PARTS SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE R/C PLANS Performance Specialties owned operated World Pylon Racing Champion Dave Shadel customize maintain majority high performance engines used todays racing enthusiasts addition work racing engines also repair customize 05 Supertigre engines well providing warranty service repairs Bob Violett Moders KBV 72 82 complete line Webra engines custom engines used some top aerobatic racing pilots world interested World Class performance please contact us weekday between 10 am 5 pm West Coast time Well look forward hearing Please send $100 descriptive brochure Visa & Mastercard accepted Aircraft Racing Headquarters PERFORMANCE SPECIALTiES Custom ABC Piston / Cylinder Assemblies True Chrome Plating Higher Performance & Longer Wear 1muautSkks QUSUlY RADIO OON1L OLU Available K&B 65 75 05 40 VFNRP 05 61 FSR 05 61 VF 0S Long Stroke 61 Rossi 40 65 81 Supertigre X-40 YS60 FS/FR YS Long Stroke Others Coming Soon Performance Specialties PO Box 4003 sbad CA 92008 619 729-1658 months Mystery Plane first likely last V-tailed carrier aircraft will see column t am aware no other V-tail designs other sister aircraft subject months contest know others Id happy hear Entries Mystery Plane contest should sent new address tll select winner random correctly identifying air craft Profile Zero t wish could say De cember Mystery Plane feature inspired model appears accompanying photos Bill Bischoff completed model long before A7MI appeared Besides its Zero Sam Bills Zero designed especially OS 32F ABC engine has significant ad vantage being readily availableat discount too Besides its availability 32F ABC bene fits usual high-quality workmanship excellent engineering typical OS en gines Bill has found very reliable easy engine operate still experimenting props flying 83 mph high speeds early testing model uses foam wing built-up pro file fuselage total weight 35 oz line slider released tail hook drops flex ible cable operating nylon tube useful item RC compatriots pulls pin physics having bellcrank mounted aft balance point takes care rest Bills very simplebut reliablelatch mechanism holds slide full aft position clearly shown photos external mounting control system simpler also permits line slider take advantage full range travel al lowed rules single hole slide will result creation large amount elevator movement slide moves aft Bill compensates movement using topmounted elevator horn way elevator sumes slight up position slide moves aft requiring less Up handle during slow flight Bill does use lead-outs choosing instead run lines directly bellcrank connec tion loop-and-button system used years Speed fliers recently Racing Combat modelers Bill fashioned buttons shortening 4-40 blind mounting nuts remov ing teeth short bolt attaches buttons bellcrank assisted little solder ensure vibration wont loosen bolts line loops include one-inch length Tef lon tubing normally used applicator cy anoacrylate glue buttons line ends color coded paint ensure no confu sion making proper connections Bipe 89/Hunton Continued page 83 Flying Bipe first Control Line mod el its hardly necessary say would wise consult experienced flier before making first attempt good cases lot grief can saved way case youll find Bipe has ample stability very easy handle ruggedness brings through bad accident experienced flier need afraid execute just about maneuver book Bipe model will re spond zip makes such thrill fly airplane equally responsive flying inverted upright flight pat tern limited capabilities As suggestion use 50-ft lines smaller engines 60-ft lines larger ones Eight-inch propellers work best glow plug ignition engines die sels seem need IO-in-pitch props best results' May Bipe bring happy flights SAM Champs/Darkow Continued page 92 RC Electric Limited Motor Run 21 entrants 1 George Joki Leisure Bomber 2 Dale Tower Lei sure Playboy 3 Fred Mulholland Leisure Bomber 4 Ray Westland Leisure Bomber 5 Pete Rafferty Leisure Bomber RC Class B Ignition 39 entrants 1 Jim Rey nolds Lanzo Bomber/Orwick 29 2 Joe Percy Bomber/Torpedo 29 3 Bruce Norman Kerswap/ Torpedo 29 4 Ed Shilen Playboy/Forster 29 5 Murvil Lipsey Playboy/Torpedo 29 RC Class B Glow 33 entrants 1 Jim Reynolds Playboy/K&B 35 2 Jim Kyncy KerswaplK&B 49 3 Joe Percy Bomber/SuperTigre 29 4 Art White Bomber/K&B 35 5 Bruce Norman Bomber/ST 29 RC Class Ignition 33 entrants 1 Larry David son Playboy Jr/Elfin 249 2 Jim Reynolds Bomb er/Elfin 249 3 Bruce Norman Bomber/Ohlsson Build could flying IF YOU WANT IT TO FLY LIKE ARROW IT MUST BE BUILT LIKE ONE Ill Build Any Kit Finish can supply complete planes framed up kits Complete Planes Ill Test Fly Call Phil Good 215741-0433 P06 ox 352 Langhornt PA 19047 February 1990 183 t Stock foi I.EoOe 8hmooot ZENOAM 04237 ca In$26495 ZENOAN 023 *18216 ZENOAN 030 16 sAcHS 26 TCA 00 5ACH5 32 TCA 00 SACUS 37 CDI 00 5ACH5 37 TCA 00 5ACH5 59cm 00 SACHS 58 TCA 00 Jim Meesar ERCOUPEPLANS *2306 FU KIT $23896 Jim Mw TOMAHAWK PLANS $2386 PULL KIT *23896 Jim M.aar J3 KITrEFIPLANS $2896 FULL KIT *21898 Qoadre 825 moons end. etort $24408 Qoedra UP orlmln $18096042CD1 wimimiec 96 SUPSR-FLSX GasoOno eklng 5. 20 ftJ$12 801153880 FLOATS 49 1l4 scalecoral *2196 cempias kit $4780 10 WYI-i WHEELS $3586P1K Spring Startar $3896 PLANS SUPER STEARMAN 114 iGodfrayi $3596 1i3TAYLORCRAFTor1I3CUE NE $3586 MGA Painted Piiot Soete 114 cc. 5$J5J WW2 Civ *1996 Sorvos H402 42 $5296 Wonid 518 irga modeb*4486 Prop aii do. SR DYNATURUST 20% ff US Quatire FUEL TANKS 16 32. * 896 CARBONFiBER ARROW SHAFTS SilS x23 ongOfor $1196 24 Hr B,iO $290 pontage Sank Check Mo 0 JIM MESSERS QUALITY MODEL PRODUCTS vailay View Drive Eon 43 Aliegany NY 14796 1/4 SCALE GLIDER KIT Premium Quality Kit European Quality American Technology Piece Gel-Coated Fuselage Pro-Manufactured Wings w/Carbon Fiber Spare end Obechi Sheeting • Slope Thermal 000 plus $25 Shipping 1/4 & 1/5 Scale Glider Retracts Precision Machined Aerospace Specs Made 6061 T6 Aluminum 650 plus $5 Shipping & Handling 5 Foot Long 1/IS Misic Wire Puehrode Nylon Outer Casing 93 plus $3 Shipping SCALE GLIDER COMPONENTS 7034 Porn P1 Corlubod CA 91009 16191 931-1436 CA Residents odd 7% Scnd stawynd rnvniope warn isle
Edition: Model Aviation - 1990/02
Page Numbers: 70, 181, 182, 183
FAREWELL loyal friends readers would like express thanks apprecia tion took time write concerning interest model aviation column will conclude 12-year tenure writing Speed column During time have made quite few friends feel sense loyalty months column will cover some let ters received modelers across world Also would like discuss what takes develop two-cycle engine commercial military application past three years have opportu nity work research program concerned development two-cycle engines dif ferent corporations military organizations difficult discuss several patents security issues surrounding appli cation end product order develop engine whether its two-cycle four-cycle need parameters set order determine what necessary obtain end result will focus 65-size engine see photo used test vehicle determine operating ranges conditions expansion heating problems problems asso ciated fluid gas flow mind-boggling Also amount paperwork associated research project nature over whelming applications two-cycle en gines would absolutely blow mind develop engine type requires lot time machining capability no way would attempt build engine today CNC computer numerical controlRMcM ma chining capability initial investment build two-cycle engine nature requires capi Continued page 18] An engine crankcase mounted fixture L Enshu Vertical CNC Machining Center parts R 65 engine made use test vehicle research program 70 Model Aviation Conoi Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 hotbed Texas CL Speed activity came recent Southwest Model Airplane Cham pionships Mike Fisk Ft Worth TX won Dyna-Jet engine donated Gene Hempel feat placing first Sport Jet Speed count nine Jet entries photo completed developmental twin-cylinder 2cycle engine ready test running industrial-type engine author Gene Hem pel has working some time George Fogartys Sport Jet Speed model clocked 13000 mph Southwest meet cost develop engine will exceed $25000 particular engine will turn 23000 rpm us ing full 9 x 13 Rev-Up prop 10%-nitro fuel wealth information have gleaned project concerning porting design material So want build own Speed en gines Gene says need two CNC machine tools days $200000 worth Machine photo below can make 65-size crankcase five minutesinstead the weeks required old methods would willing assist anyone wished convert radio CL use would willing help phone wish attempt conversion will make conversion nominal charge youre interested service contact Calvin Wollitz mail 8996 Barco Ln Jacksonville FL 32222 tele phone 1-904/771-0613 CL Speed/Hempel Continued page 70 tal outlay approximately $200000 no stretch imagination garage-shop opera tion foregoing proves want go fast need good machining capability Without mercy others work working project discovered so-called engine builders few really know design good two-cycle engine plan future author book development operation two-cycle en gines diagram mailed modeler share Use ram air induction John Hunton Annan dale VA gs1v~e FLOA/ AIZYALV1 TM P4cn3 TMmtz ia-r I1 .-I 4. E A_____ XX\\XN l 5lrMIeeCTNevegAhswta&-- . 44rT- Fog lNVC77LV few items own scrapbook Piston ring fits hidden danger ever piston rings standard shape will cause excessive heat obtain tension rings should filed shape shown drawing Excessive un tension rings thus eliminated well undue friction edges rings should broken scraper Excessive pres sure rings cylinder bore produces friction friction equals heat occurs already have abundance heat Il~ 5/an dcvrd Ps/on RI79 II N41 h inued page 182 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART GALLON 0%Nitromthin$1075 5%Nitrom*thane$365$525$1275 10% Nitrort*n $415$55O$1475 15% Nitrornethane $430$65$1675 25% Nitrori*flwn $$ 15$7S$2195 35% Nitromethane $5 95 $925 $2695 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425 15% Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself ge mithoot notce See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 February 1990 181 SMART LIGHT RC BATTERY VOLTAGE MONITOR FLY SAFE WITH SMART LIGHT TINY TESTERS Smen Light Mount plane end plugs-In between Receiver end Swhch evallehl panel mount toggle swItch PrecIsIon IC voltege detector circuitS5AR UWfl El-color LED Glowsu sultan 1590cc GREEN FlIght peck turned ON end Buttery Voltege greeter 48 VOC RED Bettery lees 48 VDC SpecIfy IlIght penklnoneector encouron FUTABA J G Butte 485 Deane 3 pIn FUTABAHobby Shack 3 pln$1505 No cennacters use yours 5 Sonert LIght wIth Swltch.ADD $508 Smerl LIght RC Bettery TesterICycler $3588 checks flight heltery elanelated flIght loads Tester Adjuetekle Voltage Regulator $2455~g4nvooIuuu 7 28 Vdc Input 45 55 Vdc 15 Amp output Tlny Tester Csllhratlon Vettegs $1555 volt kettary Input 5 uco Vdc output Send Check Money Order Add $3 Postage Handling PA Residents add 6% Sales Tax ZZ ENTERPRISES INC 631 MANCHESTER ROAD NORRISTOWN PA 19403 TELE 215539-7476 TEXAS SLOW Outstanding New Combat/Sport Plane 52q Includes Complete Hardware 0 Belicrank outs s S Hinges s & Nuts Send $100 catalog Precision Foam Wing Corescontrol-line combat specialties Dealer & Distrsbutor inquinee Welcome mm760 Waltonvifle Road 17036 566-381O Championship Design Strong & Stable Fast Easy Assembly High Performance Engine Included ndereen 05% Iso Only certified checito money orders accepted Minimum order $1200 three packages 4 Powercoles $350 per package $150 shippers handling CT residents add 75% OateO tan Prices subiect change notice DAL3N tNOUIIUS INVI1WD Pc turther intorsatioe dealer paces send SASE Buseess Cord SERMO R/C SNAP CONNECTORSInc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 &vk ed Pk/oi Am P/on -/k79-Prof//es Single-blade prop design following dia gram suggestion construct single bladed prop comes Alberto Cromberg Argentina letter reads follows pleasure reading column MA last week Argentina fly FAT Speed course everyone uses single-bladed propeller difficult balance exactly have borrowed technique Team Rac ing modelers believe following steps drawings will make easier build Cut preferred prop 2 Glue center made wood alumi num 3 Make mold 4 Machine counterweight brass stock perhaps lead 5 Mold prop counterweight side mold 6 Balance 7 Machine prop nut spinner see sketch detail PROP HUB IS AFT END OF SPINNER K Efficiency various port shapes tcnatet *eta2.Cruie ing remote needle valve ouc7 51100W 001MW 3/t5 H0WAGON SIfT ma seoci aisuss Thank helping make Speed col umn informative ideas suggestions Goodbye CL Navy Carrier/Perry Continued page 71 ordered production plant struck earthquake time war ended eight aircraft come off production line will name winner December Mystery Plane contest time because en tries still catching up after having sent New York winners name will appear April column OD QUADRA __ RT 1 NEODESHA KS 66757 _____ 316325-2821 DEALERS CALL I SEND $1 FOR COMPLETE CATALOG FEATURING Fully Illustrated menufeturers fst Ha shown Hardware tools paints adhesives engines. Invajusbie reference product selectIon use Unique HSS brand products maifor evety serious modeler$300 ppd HOBBY SUPPLY SOUTH ________5060 Glade Road Acworth GA 30101 404 974-0643 SAFETPOXY SAFE T unique two-component epoxy laminating system developed offer user safest highest quality laminating resin available 114 Pt Kit- $1800 11A Qt Kit- *2600 Glass Cloth 58 oz/sq yd 38x6ft-$90038x15ft$1900 38 x30ft $3500 add *300 Ship ft Hand above items Send SASE additional information ACPs Lightweight Composite Materials Order COD Send Check Money Order AEROSPACE COMPOSITE PRODUCTS P0 Box 16621 Dept Al Irvine CA 92714 Source br Lightweight Materials 182 Model Aviation COUNTERWEIGHT GLUE BALSA TIPS TO COUNTERWEIGHT TO AVOID GAPS IN THE EPOXY BALANCE PROP BY DRILLING HOLES IN THE COUNTER WEIGHT FRONT TO REAR Model Hardware iIibIt Worlds Most Complete Hardware Catalog QUADRA ENGINES & PARTS SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE R/C PLANS Performance Specialties owned operated World Pylon Racing Champion Dave Shadel customize maintain majority high performance engines used todays racing enthusiasts addition work racing engines also repair customize 05 Supertigre engines well providing warranty service repairs Bob Violett Moders KBV 72 82 complete line Webra engines custom engines used some top aerobatic racing pilots world interested World Class performance please contact us weekday between 10 am 5 pm West Coast time Well look forward hearing Please send $100 descriptive brochure Visa & Mastercard accepted Aircraft Racing Headquarters PERFORMANCE SPECIALTiES Custom ABC Piston / Cylinder Assemblies True Chrome Plating Higher Performance & Longer Wear 1muautSkks QUSUlY RADIO OON1L OLU Available K&B 65 75 05 40 VFNRP 05 61 FSR 05 61 VF 0S Long Stroke 61 Rossi 40 65 81 Supertigre X-40 YS60 FS/FR YS Long Stroke Others Coming Soon Performance Specialties PO Box 4003 sbad CA 92008 619 729-1658 months Mystery Plane first likely last V-tailed carrier aircraft will see column t am aware no other V-tail designs other sister aircraft subject months contest know others Id happy hear Entries Mystery Plane contest should sent new address tll select winner random correctly identifying air craft Profile Zero t wish could say De cember Mystery Plane feature inspired model appears accompanying photos Bill Bischoff completed model long before A7MI appeared Besides its Zero Sam Bills Zero designed especially OS 32F ABC engine has significant ad vantage being readily availableat discount too Besides its availability 32F ABC bene fits usual high-quality workmanship excellent engineering typical OS en gines Bill has found very reliable easy engine operate still experimenting props flying 83 mph high speeds early testing model uses foam wing built-up pro file fuselage total weight 35 oz line slider released tail hook drops flex ible cable operating nylon tube useful item RC compatriots pulls pin physics having bellcrank mounted aft balance point takes care rest Bills very simplebut reliablelatch mechanism holds slide full aft position clearly shown photos external mounting control system simpler also permits line slider take advantage full range travel al lowed rules single hole slide will result creation large amount elevator movement slide moves aft Bill compensates movement using topmounted elevator horn way elevator sumes slight up position slide moves aft requiring less Up handle during slow flight Bill does use lead-outs choosing instead run lines directly bellcrank connec tion loop-and-button system used years Speed fliers recently Racing Combat modelers Bill fashioned buttons shortening 4-40 blind mounting nuts remov ing teeth short bolt attaches buttons bellcrank assisted little solder ensure vibration wont loosen bolts line loops include one-inch length Tef lon tubing normally used applicator cy anoacrylate glue buttons line ends color coded paint ensure no confu sion making proper connections Bipe 89/Hunton Continued page 83 Flying Bipe first Control Line mod el its hardly necessary say would wise consult experienced flier before making first attempt good cases lot grief can saved way case youll find Bipe has ample stability very easy handle ruggedness brings through bad accident experienced flier need afraid execute just about maneuver book Bipe model will re spond zip makes such thrill fly airplane equally responsive flying inverted upright flight pat tern limited capabilities As suggestion use 50-ft lines smaller engines 60-ft lines larger ones Eight-inch propellers work best glow plug ignition engines die sels seem need IO-in-pitch props best results' May Bipe bring happy flights SAM Champs/Darkow Continued page 92 RC Electric Limited Motor Run 21 entrants 1 George Joki Leisure Bomber 2 Dale Tower Lei sure Playboy 3 Fred Mulholland Leisure Bomber 4 Ray Westland Leisure Bomber 5 Pete Rafferty Leisure Bomber RC Class B Ignition 39 entrants 1 Jim Rey nolds Lanzo Bomber/Orwick 29 2 Joe Percy Bomber/Torpedo 29 3 Bruce Norman Kerswap/ Torpedo 29 4 Ed Shilen Playboy/Forster 29 5 Murvil Lipsey Playboy/Torpedo 29 RC Class B Glow 33 entrants 1 Jim Reynolds Playboy/K&B 35 2 Jim Kyncy KerswaplK&B 49 3 Joe Percy Bomber/SuperTigre 29 4 Art White Bomber/K&B 35 5 Bruce Norman Bomber/ST 29 RC Class Ignition 33 entrants 1 Larry David son Playboy Jr/Elfin 249 2 Jim Reynolds Bomb er/Elfin 249 3 Bruce Norman Bomber/Ohlsson Build could flying IF YOU WANT IT TO FLY LIKE ARROW IT MUST BE BUILT LIKE ONE Ill Build Any Kit Finish can supply complete planes framed up kits Complete Planes Ill Test Fly Call Phil Good 215741-0433 P06 ox 352 Langhornt PA 19047 February 1990 183 t Stock foi I.EoOe 8hmooot ZENOAM 04237 ca In$26495 ZENOAN 023 *18216 ZENOAN 030 16 sAcHS 26 TCA 00 5ACH5 32 TCA 00 SACUS 37 CDI 00 5ACH5 37 TCA 00 5ACH5 59cm 00 SACHS 58 TCA 00 Jim Meesar ERCOUPEPLANS *2306 FU KIT $23896 Jim Mw TOMAHAWK PLANS $2386 PULL KIT *23896 Jim M.aar J3 KITrEFIPLANS $2896 FULL KIT *21898 Qoadre 825 moons end. etort $24408 Qoedra UP orlmln $18096042CD1 wimimiec 96 SUPSR-FLSX GasoOno eklng 5. 20 ftJ$12 801153880 FLOATS 49 1l4 scalecoral *2196 cempias kit $4780 10 WYI-i WHEELS $3586P1K Spring Startar $3896 PLANS SUPER STEARMAN 114 iGodfrayi $3596 1i3TAYLORCRAFTor1I3CUE NE $3586 MGA Painted Piiot Soete 114 cc. 5$J5J WW2 Civ *1996 Sorvos H402 42 $5296 Wonid 518 irga modeb*4486 Prop aii do. SR DYNATURUST 20% ff US Quatire FUEL TANKS 16 32. * 896 CARBONFiBER ARROW SHAFTS SilS x23 ongOfor $1196 24 Hr B,iO $290 pontage Sank Check Mo 0 JIM MESSERS QUALITY MODEL PRODUCTS vailay View Drive Eon 43 Aliegany NY 14796 1/4 SCALE GLIDER KIT Premium Quality Kit European Quality American Technology Piece Gel-Coated Fuselage Pro-Manufactured Wings w/Carbon Fiber Spare end Obechi Sheeting • Slope Thermal 000 plus $25 Shipping 1/4 & 1/5 Scale Glider Retracts Precision Machined Aerospace Specs Made 6061 T6 Aluminum 650 plus $5 Shipping & Handling 5 Foot Long 1/IS Misic Wire Puehrode Nylon Outer Casing 93 plus $3 Shipping SCALE GLIDER COMPONENTS 7034 Porn P1 Corlubod CA 91009 16191 931-1436 CA Residents odd 7% Scnd stawynd rnvniope warn isle
Edition: Model Aviation - 1990/02
Page Numbers: 70, 181, 182, 183
FAREWELL loyal friends readers would like express thanks apprecia tion took time write concerning interest model aviation column will conclude 12-year tenure writing Speed column During time have made quite few friends feel sense loyalty months column will cover some let ters received modelers across world Also would like discuss what takes develop two-cycle engine commercial military application past three years have opportu nity work research program concerned development two-cycle engines dif ferent corporations military organizations difficult discuss several patents security issues surrounding appli cation end product order develop engine whether its two-cycle four-cycle need parameters set order determine what necessary obtain end result will focus 65-size engine see photo used test vehicle determine operating ranges conditions expansion heating problems problems asso ciated fluid gas flow mind-boggling Also amount paperwork associated research project nature over whelming applications two-cycle en gines would absolutely blow mind develop engine type requires lot time machining capability no way would attempt build engine today CNC computer numerical controlRMcM ma chining capability initial investment build two-cycle engine nature requires capi Continued page 18] An engine crankcase mounted fixture L Enshu Vertical CNC Machining Center parts R 65 engine made use test vehicle research program 70 Model Aviation Conoi Line Speed Gene Hempel 301 N Yale Dr Garland TX 75042 hotbed Texas CL Speed activity came recent Southwest Model Airplane Cham pionships Mike Fisk Ft Worth TX won Dyna-Jet engine donated Gene Hempel feat placing first Sport Jet Speed count nine Jet entries photo completed developmental twin-cylinder 2cycle engine ready test running industrial-type engine author Gene Hem pel has working some time George Fogartys Sport Jet Speed model clocked 13000 mph Southwest meet cost develop engine will exceed $25000 particular engine will turn 23000 rpm us ing full 9 x 13 Rev-Up prop 10%-nitro fuel wealth information have gleaned project concerning porting design material So want build own Speed en gines Gene says need two CNC machine tools days $200000 worth Machine photo below can make 65-size crankcase five minutesinstead the weeks required old methods would willing assist anyone wished convert radio CL use would willing help phone wish attempt conversion will make conversion nominal charge youre interested service contact Calvin Wollitz mail 8996 Barco Ln Jacksonville FL 32222 tele phone 1-904/771-0613 CL Speed/Hempel Continued page 70 tal outlay approximately $200000 no stretch imagination garage-shop opera tion foregoing proves want go fast need good machining capability Without mercy others work working project discovered so-called engine builders few really know design good two-cycle engine plan future author book development operation two-cycle en gines diagram mailed modeler share Use ram air induction John Hunton Annan dale VA gs1v~e FLOA/ AIZYALV1 TM P4cn3 TMmtz ia-r I1 .-I 4. E A_____ XX\\XN l 5lrMIeeCTNevegAhswta&-- . 44rT- Fog lNVC77LV few items own scrapbook Piston ring fits hidden danger ever piston rings standard shape will cause excessive heat obtain tension rings should filed shape shown drawing Excessive un tension rings thus eliminated well undue friction edges rings should broken scraper Excessive pres sure rings cylinder bore produces friction friction equals heat occurs already have abundance heat Il~ 5/an dcvrd Ps/on RI79 II N41 h inued page 182 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL PINT QUART GALLON 0%Nitromthin$1075 5%Nitrom*thane$365$525$1275 10% Nitrort*n $415$55O$1475 15% Nitrornethane $430$65$1675 25% Nitrori*flwn $$ 15$7S$2195 35% Nitromethane $5 95 $925 $2695 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1425 15% Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourself ge mithoot notce See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 February 1990 181 SMART LIGHT RC BATTERY VOLTAGE MONITOR FLY SAFE WITH SMART LIGHT TINY TESTERS Smen Light Mount plane end plugs-In between Receiver end Swhch evallehl panel mount toggle swItch PrecIsIon IC voltege detector circuitS5AR UWfl El-color LED Glowsu sultan 1590cc GREEN FlIght peck turned ON end Buttery Voltege greeter 48 VOC RED Bettery lees 48 VDC SpecIfy IlIght penklnoneector encouron FUTABA J G Butte 485 Deane 3 pIn FUTABAHobby Shack 3 pln$1505 No cennacters use yours 5 Sonert LIght wIth Swltch.ADD $508 Smerl LIght RC Bettery TesterICycler $3588 checks flight heltery elanelated flIght loads Tester Adjuetekle Voltage Regulator $2455~g4nvooIuuu 7 28 Vdc Input 45 55 Vdc 15 Amp output Tlny Tester Csllhratlon Vettegs $1555 volt kettary Input 5 uco Vdc output Send Check Money Order Add $3 Postage Handling PA Residents add 6% Sales Tax ZZ ENTERPRISES INC 631 MANCHESTER ROAD NORRISTOWN PA 19403 TELE 215539-7476 TEXAS SLOW Outstanding New Combat/Sport Plane 52q Includes Complete Hardware 0 Belicrank outs s S Hinges s & Nuts Send $100 catalog Precision Foam Wing Corescontrol-line combat specialties Dealer & Distrsbutor inquinee Welcome mm760 Waltonvifle Road 17036 566-381O Championship Design Strong & Stable Fast Easy Assembly High Performance Engine Included ndereen 05% Iso Only certified checito money orders accepted Minimum order $1200 three packages 4 Powercoles $350 per package $150 shippers handling CT residents add 75% OateO tan Prices subiect change notice DAL3N tNOUIIUS INVI1WD Pc turther intorsatioe dealer paces send SASE Buseess Cord SERMO R/C SNAP CONNECTORSInc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 &vk ed Pk/oi Am P/on -/k79-Prof//es Single-blade prop design following dia gram suggestion construct single bladed prop comes Alberto Cromberg Argentina letter reads follows pleasure reading column MA last week Argentina fly FAT Speed course everyone uses single-bladed propeller difficult balance exactly have borrowed technique Team Rac ing modelers believe following steps drawings will make easier build Cut preferred prop 2 Glue center made wood alumi num 3 Make mold 4 Machine counterweight brass stock perhaps lead 5 Mold prop counterweight side mold 6 Balance 7 Machine prop nut spinner see sketch detail PROP HUB IS AFT END OF SPINNER K Efficiency various port shapes tcnatet *eta2.Cruie ing remote needle valve ouc7 51100W 001MW 3/t5 H0WAGON SIfT ma seoci aisuss Thank helping make Speed col umn informative ideas suggestions Goodbye CL Navy Carrier/Perry Continued page 71 ordered production plant struck earthquake time war ended eight aircraft come off production line will name winner December Mystery Plane contest time because en tries still catching up after having sent New York winners name will appear April column OD QUADRA __ RT 1 NEODESHA KS 66757 _____ 316325-2821 DEALERS CALL I SEND $1 FOR COMPLETE CATALOG FEATURING Fully Illustrated menufeturers fst Ha shown Hardware tools paints adhesives engines. Invajusbie reference product selectIon use Unique HSS brand products maifor evety serious modeler$300 ppd HOBBY SUPPLY SOUTH ________5060 Glade Road Acworth GA 30101 404 974-0643 SAFETPOXY SAFE T unique two-component epoxy laminating system developed offer user safest highest quality laminating resin available 114 Pt Kit- $1800 11A Qt Kit- *2600 Glass Cloth 58 oz/sq yd 38x6ft-$90038x15ft$1900 38 x30ft $3500 add *300 Ship ft Hand above items Send SASE additional information ACPs Lightweight Composite Materials Order COD Send Check Money Order AEROSPACE COMPOSITE PRODUCTS P0 Box 16621 Dept Al Irvine CA 92714 Source br Lightweight Materials 182 Model Aviation COUNTERWEIGHT GLUE BALSA TIPS TO COUNTERWEIGHT TO AVOID GAPS IN THE EPOXY BALANCE PROP BY DRILLING HOLES IN THE COUNTER WEIGHT FRONT TO REAR Model Hardware iIibIt Worlds Most Complete Hardware Catalog QUADRA ENGINES & PARTS SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE R/C PLANS Performance Specialties owned operated World Pylon Racing Champion Dave Shadel customize maintain majority high performance engines used todays racing enthusiasts addition work racing engines also repair customize 05 Supertigre engines well providing warranty service repairs Bob Violett Moders KBV 72 82 complete line Webra engines custom engines used some top aerobatic racing pilots world interested World Class performance please contact us weekday between 10 am 5 pm West Coast time Well look forward hearing Please send $100 descriptive brochure Visa & Mastercard accepted Aircraft Racing Headquarters PERFORMANCE SPECIALTiES Custom ABC Piston / Cylinder Assemblies True Chrome Plating Higher Performance & Longer Wear 1muautSkks QUSUlY RADIO OON1L OLU Available K&B 65 75 05 40 VFNRP 05 61 FSR 05 61 VF 0S Long Stroke 61 Rossi 40 65 81 Supertigre X-40 YS60 FS/FR YS Long Stroke Others Coming Soon Performance Specialties PO Box 4003 sbad CA 92008 619 729-1658 months Mystery Plane first likely last V-tailed carrier aircraft will see column t am aware no other V-tail designs other sister aircraft subject months contest know others Id happy hear Entries Mystery Plane contest should sent new address tll select winner random correctly identifying air craft Profile Zero t wish could say De cember Mystery Plane feature inspired model appears accompanying photos Bill Bischoff completed model long before A7MI appeared Besides its Zero Sam Bills Zero designed especially OS 32F ABC engine has significant ad vantage being readily availableat discount too Besides its availability 32F ABC bene fits usual high-quality workmanship excellent engineering typical OS en gines Bill has found very reliable easy engine operate still experimenting props flying 83 mph high speeds early testing model uses foam wing built-up pro file fuselage total weight 35 oz line slider released tail hook drops flex ible cable operating nylon tube useful item RC compatriots pulls pin physics having bellcrank mounted aft balance point takes care rest Bills very simplebut reliablelatch mechanism holds slide full aft position clearly shown photos external mounting control system simpler also permits line slider take advantage full range travel al lowed rules single hole slide will result creation large amount elevator movement slide moves aft Bill compensates movement using topmounted elevator horn way elevator sumes slight up position slide moves aft requiring less Up handle during slow flight Bill does use lead-outs choosing instead run lines directly bellcrank connec tion loop-and-button system used years Speed fliers recently Racing Combat modelers Bill fashioned buttons shortening 4-40 blind mounting nuts remov ing teeth short bolt attaches buttons bellcrank assisted little solder ensure vibration wont loosen bolts line loops include one-inch length Tef lon tubing normally used applicator cy anoacrylate glue buttons line ends color coded paint ensure no confu sion making proper connections Bipe 89/Hunton Continued page 83 Flying Bipe first Control Line mod el its hardly necessary say would wise consult experienced flier before making first attempt good cases lot grief can saved way case youll find Bipe has ample stability very easy handle ruggedness brings through bad accident experienced flier need afraid execute just about maneuver book Bipe model will re spond zip makes such thrill fly airplane equally responsive flying inverted upright flight pat tern limited capabilities As suggestion use 50-ft lines smaller engines 60-ft lines larger ones Eight-inch propellers work best glow plug ignition engines die sels seem need IO-in-pitch props best results' May Bipe bring happy flights SAM Champs/Darkow Continued page 92 RC Electric Limited Motor Run 21 entrants 1 George Joki Leisure Bomber 2 Dale Tower Lei sure Playboy 3 Fred Mulholland Leisure Bomber 4 Ray Westland Leisure Bomber 5 Pete Rafferty Leisure Bomber RC Class B Ignition 39 entrants 1 Jim Rey nolds Lanzo Bomber/Orwick 29 2 Joe Percy Bomber/Torpedo 29 3 Bruce Norman Kerswap/ Torpedo 29 4 Ed Shilen Playboy/Forster 29 5 Murvil Lipsey Playboy/Torpedo 29 RC Class B Glow 33 entrants 1 Jim Reynolds Playboy/K&B 35 2 Jim Kyncy KerswaplK&B 49 3 Joe Percy Bomber/SuperTigre 29 4 Art White Bomber/K&B 35 5 Bruce Norman Bomber/ST 29 RC Class Ignition 33 entrants 1 Larry David son Playboy Jr/Elfin 249 2 Jim Reynolds Bomb er/Elfin 249 3 Bruce Norman Bomber/Ohlsson Build could flying IF YOU WANT IT TO FLY LIKE ARROW IT MUST BE BUILT LIKE ONE Ill Build Any Kit Finish can supply complete planes framed up kits Complete Planes Ill Test Fly Call Phil Good 215741-0433 P06 ox 352 Langhornt PA 19047 February 1990 183 t Stock foi I.EoOe 8hmooot ZENOAM 04237 ca In$26495 ZENOAN 023 *18216 ZENOAN 030 16 sAcHS 26 TCA 00 5ACH5 32 TCA 00 SACUS 37 CDI 00 5ACH5 37 TCA 00 5ACH5 59cm 00 SACHS 58 TCA 00 Jim Meesar ERCOUPEPLANS *2306 FU KIT $23896 Jim Mw TOMAHAWK PLANS $2386 PULL KIT *23896 Jim M.aar J3 KITrEFIPLANS $2896 FULL KIT *21898 Qoadre 825 moons end. etort $24408 Qoedra UP orlmln $18096042CD1 wimimiec 96 SUPSR-FLSX GasoOno eklng 5. 20 ftJ$12 801153880 FLOATS 49 1l4 scalecoral *2196 cempias kit $4780 10 WYI-i WHEELS $3586P1K Spring Startar $3896 PLANS SUPER STEARMAN 114 iGodfrayi $3596 1i3TAYLORCRAFTor1I3CUE NE $3586 MGA Painted Piiot Soete 114 cc. 5$J5J WW2 Civ *1996 Sorvos H402 42 $5296 Wonid 518 irga modeb*4486 Prop aii do. SR DYNATURUST 20% ff US Quatire FUEL TANKS 16 32. * 896 CARBONFiBER ARROW SHAFTS SilS x23 ongOfor $1196 24 Hr B,iO $290 pontage Sank Check Mo 0 JIM MESSERS QUALITY MODEL PRODUCTS vailay View Drive Eon 43 Aliegany NY 14796 1/4 SCALE GLIDER KIT Premium Quality Kit European Quality American Technology Piece Gel-Coated Fuselage Pro-Manufactured Wings w/Carbon Fiber Spare end Obechi Sheeting • Slope Thermal 000 plus $25 Shipping 1/4 & 1/5 Scale Glider Retracts Precision Machined Aerospace Specs Made 6061 T6 Aluminum 650 plus $5 Shipping & Handling 5 Foot Long 1/IS Misic Wire Puehrode Nylon Outer Casing 93 plus $3 Shipping SCALE GLIDER COMPONENTS 7034 Porn P1 Corlubod CA 91009 16191 931-1436 CA Residents odd 7% Scnd stawynd rnvniope warn isle