Radio Control Old-Timers Dr DB Mathews VISUALIZE Crate took ship thing England Packing Wakefield rubber-pow ered entries shipment far land proxy-flown common practice pre-WW II era same can said gas-powered models respect Krupp Bowden winner has rare story associated Can imagine crating thingthe drawings show provisions separate wing panels shipping Akron OH England years both before after WW II Col Bowden Englands Out standing modeling pioneers sponsored perpetual trophy awarded annually winner Gas event winner determined complex set rules involving appearance plane engineer ing features dura tion flight landing/takeoff char acteristics 1937 Carrol Krupps model proxyflown first place Herbert Fish Close ex amination design gives some strong dications won Remember model contemporary Goldbergs monstrous Valkyrie Michael Rolls Fourteen-Footer Zaics Miss America Ben Shereshaws nine-foot-span Cavalier Most significantly Krupps design con temporary Chet Lanzos Record Breaker both men lived Ohio Obviously now learn other &r covoeto CA44NC AOfD 7 - - - 1 3eow4he - - LNA67A 5/, Bea jf wg6#r S ~15 #OAL iN- AVO7 CAn LyArhqRn petZ 5/ON AR WIA6 104 IO7SffF--7 4zZZILZzZ _________ -IBAlSAN COV*DSWO6T MT eOo -I 3LaeeeSrS 4r4L4aL 22-7 NOYIR ~F 4j jq7 j/ 4r4j -Z4CA VZ -j e/8S fre45 7 fN/ fy4 / 44 PrAOL MWAff I&Y4wlaI4u 17 CW~ ea AeeOA4 0 jdwV iN EAEIAND 4. *2EjE*T /3h 50 Model Aviation Docs gone bonkers Powerhouse models month Dave Thomason launches Bob Elliotts JSCIRCC Old Timer bash Houston TX Owen Morris photo Clarence Haughts 15-size Powerhouse built Midway kit Sal Taibi designed Powerhouse back late Thirties Bill Zartmans Dover PA Powerhouse uses Veco 61 power 135 prop lift its 12% lb skyward Its got 21/2 lb ballast nose Photo Gibbs 5ob Wischer spotted replica Carrol Krupps Akron OH 1937 Bowden International Petrol winner Old Warden UK 1978 Dave Baker built model powered Merco 49 Three-view Frank Zaics 1937 Yearbook Courtesy F Zaic Frankly find bit surprising design very rarely seen contemporary Old-Timer competition Its design parameters appear indicate strong likelihood excel lent performance NACA 4412 airfoil generously-proportioned wing nice long moment arms coupled simple structure should surely make design popular design should seen often Antique Texaco opinion Perhaps some aerodynamic problem exists cant see anyone has knowledge about Krupp Bowden winner Id really appreciate hearing Among structural details shown drawing Frank Zaics 1938 Yearbook available AMAs Supply Service Dept under-and-over lacing between wing ribs using A-in strips silk presume doped places touched wing ribs before wing covered Frankly have never seen technique used seems would add considerable amount torsional strength wing Since Krupp used A-in sheet ribs reinforcement may have much-needed addition As matter fact entire structure appears bit light might respond some hints Eut Tileston will given minute Based observations doesnt wing loading 107 oz/sq ft quoted draw ing seem bit high M&Ms wouldnt melt hand either note interest some modelers desperately seeking 3A-in M&M airwheels dont remember items distinctly different competi tive Trexler airwheels still available today may well hardware item longest continuous-availability hobby M&Ms didnt have long skin ny air-filler tube Trexlers Instead primitive sort valve inflation Also aluminum hubs very thin rubber walls writer once set still recalls attempting seal sticker-hole rubber cement didnt work Believe field conditions Trex lers better Newsletter gleanings Lehigh Valley PA letter As grain-filler microballoons can mixed nitrate dope excellent base coat Dont add too microballoons mix will too dryit should flow easily brush dry model will look like has rolled sand coating smoothes very easily especially cross-grain Old-Timers other light-finish applica tions single coat well-sanded followed another two coats clear will very nicely Seemingly best choice Prather Miracle Balloons although K&B Prather phenolic balloons will work lumps mashed out SCIFs CA Flightplug get good glossy finish still avoid warps light structure first apply four thin coats butyrate dope cover coat K&B Superpoxy thinned commercial lac quer thinner lacquer thinner makes Superpoxy bite butyrate itself Superpoxy will stick butyrate dope Dont alarmed stuff goes milky blushes will dry out clear Eut Tileston Nifty SAM 51 CA Some thoughts building light Light models will perform better SAM competi Continued page 150 2541 NE 11th Court ano Beach Florida 33062 e 3051 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT NEW COSMIC WIND An exciting lineup CIL & RIC airplanes plus RIC off-road cars 1986 Enclose stamped self-addressed envelope request FREE mini-catalog today EZ flyers FUEL cox 3AHDO CESSNA 150 AEROBAT STARTER KITS RIC P-39 AIRACOBRA OFFROAD CARS O/ SAN WA CONTROLRADIOS TRAIlER LINE MODELS cox carxirzio ELECTRIC POWERED RIC PLANE COX HOBBIES INC 1525 East Warner Avenue Santa Ana CA 92705 ATT- CHEKRX NEW ON-Board Battery Tester Saves Time. Saves Models Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged BA1TCHEK RX-1ORDER TODAY $1495at dealer Protune Corp 914 462-6452 ade LISAPO Box 1808 Poughkeepsie NY 12601 June1986 51 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 $400 15x6 8 $700 18x6 810 0 22x8 10 0 14x6 16x6 8 $800 20x6 8 10 0 AddISzesAvailableSoon Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail $1345 $795 pi s $550 u dol s please Send Check MO Credit Card info Consumers Guide 150 Ott St Harrisonburg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICEI MasterCard lB # ______________________ Expiration Date ___________________________ $innod from 5 FOUR CYCLE ENGINE MOUNT Cast atunwtum alloy Graund 9#sssst Mn Esight polish NrIstaed Socket cop screws 6ciudSd DRULED AND TAPPED FOR No JT20 OS MAX FS 20 No iT-dOUrrdrtisd tor 2t-AO NoJT-AttfVT2l No J1-42ENVA 35-40 AC No 11-43SAITO PA 30 No11-AdOSMAXPS4O No IT-ASSAIIO PA 40-AS No 11-46ENVA 46 AC No1149tfVlA9 No JT60Undrilled 60-90 No41-6106 MAX PS61 No 41-6205 MAX P560-75-90 No JT-6AENYA 60-8090-120 AC No JT-65SAtTO PA 65 No 11120 Undstled tar 120 No 11-121 ENYA 8 120 PC No 41122 OS MAX PS 120 No 41 -123 SAITO PA 120 No 41125 Super TrO 353000 GIANT ENGINE MUFFLERS availableMalched engine 1a pipe extensions mounting Uclts inctided hobby ShopORDIR DIRICT for AILAS 46 BUlLY COBRA KAWASAXI KIOOIIZ SACH-DOMLUR SUPER return UPS shipment c-oat OLsssts35 jiont flsss jir5i jiosa ousasaji jiZ34 055000 GSa jiT5r Atist OR jio ji35 60ji45 zEtottis 5 mm ji603 00055000058555 ji535815513 2560 SIDE MOUNT MUFFLERS tot PIllS CAP 21 CESSNA 150 etc S lrfl toroere Co uNIVERSAL IN-COWL AIRCRAFT MUFFLERS r 19-4045-6075-13 engines Most versatile mufflers ever offered Designed tit inside cowls limited space can also ssed HEUCOPTERS BOATS UPRIGHT INVERTED SIDE mounted engines Exhaust tubes point almost direction Worm drive clamp tor universal mounting can bolted directly engine INCtUOSso Echocireeiescn wilt CiosrOr toe OtE c25im mattiol oigrrnent plot, rite eta ro,rro ICIew 5850 sassc aimOIMENSIOOEIII iLl -C--l IGNO ENGINE iraus in-tO1800 IS 45-60am am jima UPRIG5II5IDEI INOSETED jiasa ia-osiaoo jisaasmmm jima isis4560 INWETIS ENGINEE0GI1IJii 30853 19605860No il-Ask JT-55385-601900 MAiLOROE5ttSeadd555IsSUPS5060 00-9037513 aim sitippinS Owol MO ViSA MCOI coo accepted Add 500 TIara tOt coD FREE CA ENGINE TESTING STANDS cast Aluminum l mstralnlng No TOSS OaekAs5Sp sesse No 60P2300 45-As No ITS 55 RC Scale/Wischers Continued page 47 tions sketched certain parts will fit across fuselage width Plot sec tion shapes same manner other curves three-view Important bulkheads firewall engine mounting another wing leading edge preferably plywood other load-carrying member wing trailing edge greatest trouble source model design built-in overweight condition Adding structure using heavier material sections necessary can produce model must fly fast become airborne resulting control problems Concentrate weight points needing extra strength hard materials meet balsa engine mount commonly used Scale models aluminum fastened plywood firewall ply epoxy-glued balsa frame large-area balsa gussets Landing gears also require special attention steel connects balsa structure inter mediate parts hardwood ply will spread loads landing shock Tires alone shouldnt depended upon absorb shock gear springs preferred Telescoping struts internal springs sometimes used full-size aircraft preserve Scale appearance function Fastening such members wing fuselage demands load spread over area strut should set hardwood block anchored adjacent structure steel bolts Glue alone will withstand repeated landing shock music-wire gear will endure unlimited number landings should tied ply steel straps machine screws necessary weight Avoid adding weight elsewhere Construction technique information can found examining magazine drawings kits modeler designing own Scale air craft first time will have previous experience kits scratch-building design efforts shamelessly borrow con struction ideas everyone assume others likewise Internal structure use foam wings step-by-step construction procedures have detailed discussion th model magazines modeler does own designing truly innovative ideas begin materialize therein lies real satisf Lction None us knew capabilities until made first bold step model desigt Hobt Hobl forml mi craft ypoxy colors Pettit Paint Co maker ypoxy products has published series ilas over past several years telling various shades used military air f nations involved WW II latest probably last series Ger man Luftwaffe insignia marking colors cross swastika insignia black white standard Hobbypoxy HB1 Black HlO White may used Note however insignia painted semi-gloss finish produced slight sheen Hobbypoxy suggests using combina tion gloss hardener flat hardener about 50-50 mix should produce effect Registration unit code markings flat finish common being black white red yellow blue formulas presented 04 Yellow 23 Red 24 Dark Blue Luftwaffe colors Yellow 0440 parts H49 Cub Yellow two parts H70 Gray part H65 Bright Red Red 2332 parts H65 Bright Red eight parts H66 Dark Red part H47 Bright Yellow part H1O White Dark Blue 24three parts H24 Dark Blue five parts H65 Bright Red part HlO White Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 49 disqualifications manoeuvres outside box As already know dont care Turnaround pattern competitor can will participate judge sup porter concept think Jim Ewing has some excellent ideas Comments Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 51 tion Try build models eight oz per sq ft minimum-wing-loading rules Building light partly state mindyou must constantly aware weight little little adds up overweight model Keep postal diet scale Continued page 152 150 Model Aviation 600 800 1000 1000 1000 1000 1000 1000 1200 1100 1300 1300 1300 1300 1600 2000 1800 1800 1800 OUR FACTORY BURNED DOWN ON FEB 2 1986 WE NOW HAVE NEW BUILDING DELIVERING ORDERS AND SOON WILL BE BACK TO FULL PRODUCTION WE APPRECIATE YOUR SUPPORT IN THE PAST AND HOPE THAT IT WILL CONTINUE LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FOU CdT4LOG $299 O NEW NO 619 448-1818 ymers N FREE FLIGHT UC SPEED RACING COMBAT EPOXY-GLASS PROPS CONTINUOUS LENGTH AS LOW AS $125 EA FREE BROCHURE J &JleO Div Pops Props Inc J/I 09 Crescent Sunnyside WA 98944 509-837-5983 r MPG OF NI-STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING L TORK revolutionary concept power 1 planes using glow fuel engines TI enough reduce compression cad comes e new C/b chi cherging also has removable T Over 50 consecutive starts full onto plug positive connection Sen free shipping handling 152 Model Aviation STARTER 5V glow plugs model cars boats air IRK STARTERITMI has steal wrench strong Ir starting supplies power doing rger has LED indicate unit andle can used Torque amplifier charge rechargeable hundreds times Clips ad along pre-payrnent receive TORK-STARTER $2995 Charger Ii by 220V 12V Fast Chargerl $2095 Without Charger CHARGERS $1296 Charger Only Ill CV 220V 1 2V Fast Charger 3011464-2260 work ench make notes weights build will give insight eight buildups occur selecting desig mber simple ones easier build light SAM rules permit structural modifica tions strengthen lighten long done character original design means can increase reduce struc ural members use lighter stronger materials add delete members cann pt substitute slab-sided fuselage builtup nor can turbulator spars substituted planked leading edges keeping character original planning lighten model re member must structurally strong consistent winner cant have well-sdjusted model must rebuild after few flights Also must rigid enough avpid flutter deflection during power run wherefore place start weight redution wing spar matter fact will probably have beefed up Rathr places start weight reduc tion heavy items may able save nore using lighter wheels total weiglt wing spars Very thin service able heels can made balsa little AinT plywood smaller models Also bottoms aluminum drink cans can make neat lightweight 1% 2%-in wheels faced plywood Smaller batteries another method saving lots weight big Texaco 100 mAh batteries may used charged field unit between flights Remember model well-trimmed 90% time will moving servos AA Texaco limited-engine-run events largest battery needed 225 mAb pack little reason use large servos red-hot models World Engines 5-224 servos adequate SAM mode use Ohlsson 60-powered model well-designed control system light n quires low actuation forces After aren i required perform aerobatics SAM models required ability trii efficient flight guidance th areas lift Use enough control surfa e area deflection control mode conditions under will flown Note Futaba S-33s Ace Micro servm similar World S-22A B Fueler Isplice line NEW E-Z FUEL ERft A Receptical lapprox 1/4 die 18 dard 5/32 ter Scale application Standale Aircraft offers EZ-Fueling Reasonable Price istic Appearance Installed Lightwight z hmount $250 plus $ 50 postage handling STANDALE AIRCRAFT CO 2648 Thornwood S W Wyoming M149509 have kit review March 1986 issue Flying Models should interest anyone considering first RC Old-Timer avid enthusiast looking new project reviewed Champion Model Products Powerhouse found kit marvel quality excellent prefabrication classic Sal Taibi design treated well kit makes absolutely dandy flier originally powered OS 61 fourstroker astonished its overpowered behavior design perfectly legal SAM competition sort power cer tainly flies realistically lots fun 35-size Davis Diesel conversion Id suspect 46-size four-stroker would just about ideal Just fun bulk months photos Powerhouses forms over country Another TIS Whats TIS Transistorized ig nition system As mentioned previous col umn availability ignition-engine timer parts Micro Model Engineering theyre MAs advertisers look up ad others has set off bunch activity fliers running old sparkers RC Assist O-T Some very distinct catastroph ic problems can encountered sparkers used RC models old-fashioned coiland-condenser ignition used Several manufacturers have made transis torized ignition units available cure radio frequency RF problems recently received TIS being imported England Strieglers RC Supply 5831 McNight Houston TX 77035 manufactured same Dunham Engineering Orwick Elfin other replica engines Bert Striegler also importing lays out nice fat spark draws bit current units Kustom Kraftsmanship CHS Contact Strieglers brochure TIS replica engines Dee B Mathews 909 N Maize Rd Town house 734 Wichita KS 87212 RC Electrics/Kopski Continued page 53 bined basic do-abilityfor everyone As side comment its likely first-time local meets will draw limited partici pation nearly limited rules establish motor and/or model sizes number cells limited motor runs Continued page 154 12421 Ransom Dr Glenn Dale MD 20769 IRE WHEELS ED& REALISTIC Custom built seamless machined rims Deirin bearings two sizes 8 Nieuport & Triplane 96 5 Proctor model$3596 Send 6O complete literature price list o kits ac cessories Im nIt really selling subscriptions work way ti rough school may seem odd I
Edition: Model Aviation - 1986/06
Page Numbers: 50, 51, 150, 152
Radio Control Old-Timers Dr DB Mathews VISUALIZE Crate took ship thing England Packing Wakefield rubber-pow ered entries shipment far land proxy-flown common practice pre-WW II era same can said gas-powered models respect Krupp Bowden winner has rare story associated Can imagine crating thingthe drawings show provisions separate wing panels shipping Akron OH England years both before after WW II Col Bowden Englands Out standing modeling pioneers sponsored perpetual trophy awarded annually winner Gas event winner determined complex set rules involving appearance plane engineer ing features dura tion flight landing/takeoff char acteristics 1937 Carrol Krupps model proxyflown first place Herbert Fish Close ex amination design gives some strong dications won Remember model contemporary Goldbergs monstrous Valkyrie Michael Rolls Fourteen-Footer Zaics Miss America Ben Shereshaws nine-foot-span Cavalier Most significantly Krupps design con temporary Chet Lanzos Record Breaker both men lived Ohio Obviously now learn other &r covoeto CA44NC AOfD 7 - - - 1 3eow4he - - LNA67A 5/, Bea jf wg6#r S ~15 #OAL iN- AVO7 CAn LyArhqRn petZ 5/ON AR WIA6 104 IO7SffF--7 4zZZILZzZ _________ -IBAlSAN COV*DSWO6T MT eOo -I 3LaeeeSrS 4r4L4aL 22-7 NOYIR ~F 4j jq7 j/ 4r4j -Z4CA VZ -j e/8S fre45 7 fN/ fy4 / 44 PrAOL MWAff I&Y4wlaI4u 17 CW~ ea AeeOA4 0 jdwV iN EAEIAND 4. *2EjE*T /3h 50 Model Aviation Docs gone bonkers Powerhouse models month Dave Thomason launches Bob Elliotts JSCIRCC Old Timer bash Houston TX Owen Morris photo Clarence Haughts 15-size Powerhouse built Midway kit Sal Taibi designed Powerhouse back late Thirties Bill Zartmans Dover PA Powerhouse uses Veco 61 power 135 prop lift its 12% lb skyward Its got 21/2 lb ballast nose Photo Gibbs 5ob Wischer spotted replica Carrol Krupps Akron OH 1937 Bowden International Petrol winner Old Warden UK 1978 Dave Baker built model powered Merco 49 Three-view Frank Zaics 1937 Yearbook Courtesy F Zaic Frankly find bit surprising design very rarely seen contemporary Old-Timer competition Its design parameters appear indicate strong likelihood excel lent performance NACA 4412 airfoil generously-proportioned wing nice long moment arms coupled simple structure should surely make design popular design should seen often Antique Texaco opinion Perhaps some aerodynamic problem exists cant see anyone has knowledge about Krupp Bowden winner Id really appreciate hearing Among structural details shown drawing Frank Zaics 1938 Yearbook available AMAs Supply Service Dept under-and-over lacing between wing ribs using A-in strips silk presume doped places touched wing ribs before wing covered Frankly have never seen technique used seems would add considerable amount torsional strength wing Since Krupp used A-in sheet ribs reinforcement may have much-needed addition As matter fact entire structure appears bit light might respond some hints Eut Tileston will given minute Based observations doesnt wing loading 107 oz/sq ft quoted draw ing seem bit high M&Ms wouldnt melt hand either note interest some modelers desperately seeking 3A-in M&M airwheels dont remember items distinctly different competi tive Trexler airwheels still available today may well hardware item longest continuous-availability hobby M&Ms didnt have long skin ny air-filler tube Trexlers Instead primitive sort valve inflation Also aluminum hubs very thin rubber walls writer once set still recalls attempting seal sticker-hole rubber cement didnt work Believe field conditions Trex lers better Newsletter gleanings Lehigh Valley PA letter As grain-filler microballoons can mixed nitrate dope excellent base coat Dont add too microballoons mix will too dryit should flow easily brush dry model will look like has rolled sand coating smoothes very easily especially cross-grain Old-Timers other light-finish applica tions single coat well-sanded followed another two coats clear will very nicely Seemingly best choice Prather Miracle Balloons although K&B Prather phenolic balloons will work lumps mashed out SCIFs CA Flightplug get good glossy finish still avoid warps light structure first apply four thin coats butyrate dope cover coat K&B Superpoxy thinned commercial lac quer thinner lacquer thinner makes Superpoxy bite butyrate itself Superpoxy will stick butyrate dope Dont alarmed stuff goes milky blushes will dry out clear Eut Tileston Nifty SAM 51 CA Some thoughts building light Light models will perform better SAM competi Continued page 150 2541 NE 11th Court ano Beach Florida 33062 e 3051 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT NEW COSMIC WIND An exciting lineup CIL & RIC airplanes plus RIC off-road cars 1986 Enclose stamped self-addressed envelope request FREE mini-catalog today EZ flyers FUEL cox 3AHDO CESSNA 150 AEROBAT STARTER KITS RIC P-39 AIRACOBRA OFFROAD CARS O/ SAN WA CONTROLRADIOS TRAIlER LINE MODELS cox carxirzio ELECTRIC POWERED RIC PLANE COX HOBBIES INC 1525 East Warner Avenue Santa Ana CA 92705 ATT- CHEKRX NEW ON-Board Battery Tester Saves Time. Saves Models Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged BA1TCHEK RX-1ORDER TODAY $1495at dealer Protune Corp 914 462-6452 ade LISAPO Box 1808 Poughkeepsie NY 12601 June1986 51 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 $400 15x6 8 $700 18x6 810 0 22x8 10 0 14x6 16x6 8 $800 20x6 8 10 0 AddISzesAvailableSoon Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail $1345 $795 pi s $550 u dol s please Send Check MO Credit Card info Consumers Guide 150 Ott St Harrisonburg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICEI MasterCard lB # ______________________ Expiration Date ___________________________ $innod from 5 FOUR CYCLE ENGINE MOUNT Cast atunwtum alloy Graund 9#sssst Mn Esight polish NrIstaed Socket cop screws 6ciudSd DRULED AND TAPPED FOR No JT20 OS MAX FS 20 No iT-dOUrrdrtisd tor 2t-AO NoJT-AttfVT2l No J1-42ENVA 35-40 AC No 11-43SAITO PA 30 No11-AdOSMAXPS4O No IT-ASSAIIO PA 40-AS No 11-46ENVA 46 AC No1149tfVlA9 No JT60Undrilled 60-90 No41-6106 MAX PS61 No 41-6205 MAX P560-75-90 No JT-6AENYA 60-8090-120 AC No JT-65SAtTO PA 65 No 11120 Undstled tar 120 No 11-121 ENYA 8 120 PC No 41122 OS MAX PS 120 No 41 -123 SAITO PA 120 No 41125 Super TrO 353000 GIANT ENGINE MUFFLERS availableMalched engine 1a pipe extensions mounting Uclts inctided hobby ShopORDIR DIRICT for AILAS 46 BUlLY COBRA KAWASAXI KIOOIIZ SACH-DOMLUR SUPER return UPS shipment c-oat OLsssts35 jiont flsss jir5i jiosa ousasaji jiZ34 055000 GSa jiT5r Atist OR jio ji35 60ji45 zEtottis 5 mm ji603 00055000058555 ji535815513 2560 SIDE MOUNT MUFFLERS tot PIllS CAP 21 CESSNA 150 etc S lrfl toroere Co uNIVERSAL IN-COWL AIRCRAFT MUFFLERS r 19-4045-6075-13 engines Most versatile mufflers ever offered Designed tit inside cowls limited space can also ssed HEUCOPTERS BOATS UPRIGHT INVERTED SIDE mounted engines Exhaust tubes point almost direction Worm drive clamp tor universal mounting can bolted directly engine INCtUOSso Echocireeiescn wilt CiosrOr toe OtE c25im mattiol oigrrnent plot, rite eta ro,rro ICIew 5850 sassc aimOIMENSIOOEIII iLl -C--l IGNO ENGINE iraus in-tO1800 IS 45-60am am jima UPRIG5II5IDEI INOSETED jiasa ia-osiaoo jisaasmmm jima isis4560 INWETIS ENGINEE0GI1IJii 30853 19605860No il-Ask JT-55385-601900 MAiLOROE5ttSeadd555IsSUPS5060 00-9037513 aim sitippinS Owol MO ViSA MCOI coo accepted Add 500 TIara tOt coD FREE CA ENGINE TESTING STANDS cast Aluminum l mstralnlng No TOSS OaekAs5Sp sesse No 60P2300 45-As No ITS 55 RC Scale/Wischers Continued page 47 tions sketched certain parts will fit across fuselage width Plot sec tion shapes same manner other curves three-view Important bulkheads firewall engine mounting another wing leading edge preferably plywood other load-carrying member wing trailing edge greatest trouble source model design built-in overweight condition Adding structure using heavier material sections necessary can produce model must fly fast become airborne resulting control problems Concentrate weight points needing extra strength hard materials meet balsa engine mount commonly used Scale models aluminum fastened plywood firewall ply epoxy-glued balsa frame large-area balsa gussets Landing gears also require special attention steel connects balsa structure inter mediate parts hardwood ply will spread loads landing shock Tires alone shouldnt depended upon absorb shock gear springs preferred Telescoping struts internal springs sometimes used full-size aircraft preserve Scale appearance function Fastening such members wing fuselage demands load spread over area strut should set hardwood block anchored adjacent structure steel bolts Glue alone will withstand repeated landing shock music-wire gear will endure unlimited number landings should tied ply steel straps machine screws necessary weight Avoid adding weight elsewhere Construction technique information can found examining magazine drawings kits modeler designing own Scale air craft first time will have previous experience kits scratch-building design efforts shamelessly borrow con struction ideas everyone assume others likewise Internal structure use foam wings step-by-step construction procedures have detailed discussion th model magazines modeler does own designing truly innovative ideas begin materialize therein lies real satisf Lction None us knew capabilities until made first bold step model desigt Hobt Hobl forml mi craft ypoxy colors Pettit Paint Co maker ypoxy products has published series ilas over past several years telling various shades used military air f nations involved WW II latest probably last series Ger man Luftwaffe insignia marking colors cross swastika insignia black white standard Hobbypoxy HB1 Black HlO White may used Note however insignia painted semi-gloss finish produced slight sheen Hobbypoxy suggests using combina tion gloss hardener flat hardener about 50-50 mix should produce effect Registration unit code markings flat finish common being black white red yellow blue formulas presented 04 Yellow 23 Red 24 Dark Blue Luftwaffe colors Yellow 0440 parts H49 Cub Yellow two parts H70 Gray part H65 Bright Red Red 2332 parts H65 Bright Red eight parts H66 Dark Red part H47 Bright Yellow part H1O White Dark Blue 24three parts H24 Dark Blue five parts H65 Bright Red part HlO White Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 49 disqualifications manoeuvres outside box As already know dont care Turnaround pattern competitor can will participate judge sup porter concept think Jim Ewing has some excellent ideas Comments Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 51 tion Try build models eight oz per sq ft minimum-wing-loading rules Building light partly state mindyou must constantly aware weight little little adds up overweight model Keep postal diet scale Continued page 152 150 Model Aviation 600 800 1000 1000 1000 1000 1000 1000 1200 1100 1300 1300 1300 1300 1600 2000 1800 1800 1800 OUR FACTORY BURNED DOWN ON FEB 2 1986 WE NOW HAVE NEW BUILDING DELIVERING ORDERS AND SOON WILL BE BACK TO FULL PRODUCTION WE APPRECIATE YOUR SUPPORT IN THE PAST AND HOPE THAT IT WILL CONTINUE LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FOU CdT4LOG $299 O NEW NO 619 448-1818 ymers N FREE FLIGHT UC SPEED RACING COMBAT EPOXY-GLASS PROPS CONTINUOUS LENGTH AS LOW AS $125 EA FREE BROCHURE J &JleO Div Pops Props Inc J/I 09 Crescent Sunnyside WA 98944 509-837-5983 r MPG OF NI-STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING L TORK revolutionary concept power 1 planes using glow fuel engines TI enough reduce compression cad comes e new C/b chi cherging also has removable T Over 50 consecutive starts full onto plug positive connection Sen free shipping handling 152 Model Aviation STARTER 5V glow plugs model cars boats air IRK STARTERITMI has steal wrench strong Ir starting supplies power doing rger has LED indicate unit andle can used Torque amplifier charge rechargeable hundreds times Clips ad along pre-payrnent receive TORK-STARTER $2995 Charger Ii by 220V 12V Fast Chargerl $2095 Without Charger CHARGERS $1296 Charger Only Ill CV 220V 1 2V Fast Charger 3011464-2260 work ench make notes weights build will give insight eight buildups occur selecting desig mber simple ones easier build light SAM rules permit structural modifica tions strengthen lighten long done character original design means can increase reduce struc ural members use lighter stronger materials add delete members cann pt substitute slab-sided fuselage builtup nor can turbulator spars substituted planked leading edges keeping character original planning lighten model re member must structurally strong consistent winner cant have well-sdjusted model must rebuild after few flights Also must rigid enough avpid flutter deflection during power run wherefore place start weight redution wing spar matter fact will probably have beefed up Rathr places start weight reduc tion heavy items may able save nore using lighter wheels total weiglt wing spars Very thin service able heels can made balsa little AinT plywood smaller models Also bottoms aluminum drink cans can make neat lightweight 1% 2%-in wheels faced plywood Smaller batteries another method saving lots weight big Texaco 100 mAh batteries may used charged field unit between flights Remember model well-trimmed 90% time will moving servos AA Texaco limited-engine-run events largest battery needed 225 mAb pack little reason use large servos red-hot models World Engines 5-224 servos adequate SAM mode use Ohlsson 60-powered model well-designed control system light n quires low actuation forces After aren i required perform aerobatics SAM models required ability trii efficient flight guidance th areas lift Use enough control surfa e area deflection control mode conditions under will flown Note Futaba S-33s Ace Micro servm similar World S-22A B Fueler Isplice line NEW E-Z FUEL ERft A Receptical lapprox 1/4 die 18 dard 5/32 ter Scale application Standale Aircraft offers EZ-Fueling Reasonable Price istic Appearance Installed Lightwight z hmount $250 plus $ 50 postage handling STANDALE AIRCRAFT CO 2648 Thornwood S W Wyoming M149509 have kit review March 1986 issue Flying Models should interest anyone considering first RC Old-Timer avid enthusiast looking new project reviewed Champion Model Products Powerhouse found kit marvel quality excellent prefabrication classic Sal Taibi design treated well kit makes absolutely dandy flier originally powered OS 61 fourstroker astonished its overpowered behavior design perfectly legal SAM competition sort power cer tainly flies realistically lots fun 35-size Davis Diesel conversion Id suspect 46-size four-stroker would just about ideal Just fun bulk months photos Powerhouses forms over country Another TIS Whats TIS Transistorized ig nition system As mentioned previous col umn availability ignition-engine timer parts Micro Model Engineering theyre MAs advertisers look up ad others has set off bunch activity fliers running old sparkers RC Assist O-T Some very distinct catastroph ic problems can encountered sparkers used RC models old-fashioned coiland-condenser ignition used Several manufacturers have made transis torized ignition units available cure radio frequency RF problems recently received TIS being imported England Strieglers RC Supply 5831 McNight Houston TX 77035 manufactured same Dunham Engineering Orwick Elfin other replica engines Bert Striegler also importing lays out nice fat spark draws bit current units Kustom Kraftsmanship CHS Contact Strieglers brochure TIS replica engines Dee B Mathews 909 N Maize Rd Town house 734 Wichita KS 87212 RC Electrics/Kopski Continued page 53 bined basic do-abilityfor everyone As side comment its likely first-time local meets will draw limited partici pation nearly limited rules establish motor and/or model sizes number cells limited motor runs Continued page 154 12421 Ransom Dr Glenn Dale MD 20769 IRE WHEELS ED& REALISTIC Custom built seamless machined rims Deirin bearings two sizes 8 Nieuport & Triplane 96 5 Proctor model$3596 Send 6O complete literature price list o kits ac cessories Im nIt really selling subscriptions work way ti rough school may seem odd I
Edition: Model Aviation - 1986/06
Page Numbers: 50, 51, 150, 152
Radio Control Old-Timers Dr DB Mathews VISUALIZE Crate took ship thing England Packing Wakefield rubber-pow ered entries shipment far land proxy-flown common practice pre-WW II era same can said gas-powered models respect Krupp Bowden winner has rare story associated Can imagine crating thingthe drawings show provisions separate wing panels shipping Akron OH England years both before after WW II Col Bowden Englands Out standing modeling pioneers sponsored perpetual trophy awarded annually winner Gas event winner determined complex set rules involving appearance plane engineer ing features dura tion flight landing/takeoff char acteristics 1937 Carrol Krupps model proxyflown first place Herbert Fish Close ex amination design gives some strong dications won Remember model contemporary Goldbergs monstrous Valkyrie Michael Rolls Fourteen-Footer Zaics Miss America Ben Shereshaws nine-foot-span Cavalier Most significantly Krupps design con temporary Chet Lanzos Record Breaker both men lived Ohio Obviously now learn other &r covoeto CA44NC AOfD 7 - - - 1 3eow4he - - LNA67A 5/, Bea jf wg6#r S ~15 #OAL iN- AVO7 CAn LyArhqRn petZ 5/ON AR WIA6 104 IO7SffF--7 4zZZILZzZ _________ -IBAlSAN COV*DSWO6T MT eOo -I 3LaeeeSrS 4r4L4aL 22-7 NOYIR ~F 4j jq7 j/ 4r4j -Z4CA VZ -j e/8S fre45 7 fN/ fy4 / 44 PrAOL MWAff I&Y4wlaI4u 17 CW~ ea AeeOA4 0 jdwV iN EAEIAND 4. *2EjE*T /3h 50 Model Aviation Docs gone bonkers Powerhouse models month Dave Thomason launches Bob Elliotts JSCIRCC Old Timer bash Houston TX Owen Morris photo Clarence Haughts 15-size Powerhouse built Midway kit Sal Taibi designed Powerhouse back late Thirties Bill Zartmans Dover PA Powerhouse uses Veco 61 power 135 prop lift its 12% lb skyward Its got 21/2 lb ballast nose Photo Gibbs 5ob Wischer spotted replica Carrol Krupps Akron OH 1937 Bowden International Petrol winner Old Warden UK 1978 Dave Baker built model powered Merco 49 Three-view Frank Zaics 1937 Yearbook Courtesy F Zaic Frankly find bit surprising design very rarely seen contemporary Old-Timer competition Its design parameters appear indicate strong likelihood excel lent performance NACA 4412 airfoil generously-proportioned wing nice long moment arms coupled simple structure should surely make design popular design should seen often Antique Texaco opinion Perhaps some aerodynamic problem exists cant see anyone has knowledge about Krupp Bowden winner Id really appreciate hearing Among structural details shown drawing Frank Zaics 1938 Yearbook available AMAs Supply Service Dept under-and-over lacing between wing ribs using A-in strips silk presume doped places touched wing ribs before wing covered Frankly have never seen technique used seems would add considerable amount torsional strength wing Since Krupp used A-in sheet ribs reinforcement may have much-needed addition As matter fact entire structure appears bit light might respond some hints Eut Tileston will given minute Based observations doesnt wing loading 107 oz/sq ft quoted draw ing seem bit high M&Ms wouldnt melt hand either note interest some modelers desperately seeking 3A-in M&M airwheels dont remember items distinctly different competi tive Trexler airwheels still available today may well hardware item longest continuous-availability hobby M&Ms didnt have long skin ny air-filler tube Trexlers Instead primitive sort valve inflation Also aluminum hubs very thin rubber walls writer once set still recalls attempting seal sticker-hole rubber cement didnt work Believe field conditions Trex lers better Newsletter gleanings Lehigh Valley PA letter As grain-filler microballoons can mixed nitrate dope excellent base coat Dont add too microballoons mix will too dryit should flow easily brush dry model will look like has rolled sand coating smoothes very easily especially cross-grain Old-Timers other light-finish applica tions single coat well-sanded followed another two coats clear will very nicely Seemingly best choice Prather Miracle Balloons although K&B Prather phenolic balloons will work lumps mashed out SCIFs CA Flightplug get good glossy finish still avoid warps light structure first apply four thin coats butyrate dope cover coat K&B Superpoxy thinned commercial lac quer thinner lacquer thinner makes Superpoxy bite butyrate itself Superpoxy will stick butyrate dope Dont alarmed stuff goes milky blushes will dry out clear Eut Tileston Nifty SAM 51 CA Some thoughts building light Light models will perform better SAM competi Continued page 150 2541 NE 11th Court ano Beach Florida 33062 e 3051 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT NEW COSMIC WIND An exciting lineup CIL & RIC airplanes plus RIC off-road cars 1986 Enclose stamped self-addressed envelope request FREE mini-catalog today EZ flyers FUEL cox 3AHDO CESSNA 150 AEROBAT STARTER KITS RIC P-39 AIRACOBRA OFFROAD CARS O/ SAN WA CONTROLRADIOS TRAIlER LINE MODELS cox carxirzio ELECTRIC POWERED RIC PLANE COX HOBBIES INC 1525 East Warner Avenue Santa Ana CA 92705 ATT- CHEKRX NEW ON-Board Battery Tester Saves Time. Saves Models Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged BA1TCHEK RX-1ORDER TODAY $1495at dealer Protune Corp 914 462-6452 ade LISAPO Box 1808 Poughkeepsie NY 12601 June1986 51 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 $400 15x6 8 $700 18x6 810 0 22x8 10 0 14x6 16x6 8 $800 20x6 8 10 0 AddISzesAvailableSoon Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail $1345 $795 pi s $550 u dol s please Send Check MO Credit Card info Consumers Guide 150 Ott St Harrisonburg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICEI MasterCard lB # ______________________ Expiration Date ___________________________ $innod from 5 FOUR CYCLE ENGINE MOUNT Cast atunwtum alloy Graund 9#sssst Mn Esight polish NrIstaed Socket cop screws 6ciudSd DRULED AND TAPPED FOR No JT20 OS MAX FS 20 No iT-dOUrrdrtisd tor 2t-AO NoJT-AttfVT2l No J1-42ENVA 35-40 AC No 11-43SAITO PA 30 No11-AdOSMAXPS4O No IT-ASSAIIO PA 40-AS No 11-46ENVA 46 AC No1149tfVlA9 No JT60Undrilled 60-90 No41-6106 MAX PS61 No 41-6205 MAX P560-75-90 No JT-6AENYA 60-8090-120 AC No JT-65SAtTO PA 65 No 11120 Undstled tar 120 No 11-121 ENYA 8 120 PC No 41122 OS MAX PS 120 No 41 -123 SAITO PA 120 No 41125 Super TrO 353000 GIANT ENGINE MUFFLERS availableMalched engine 1a pipe extensions mounting Uclts inctided hobby ShopORDIR DIRICT for AILAS 46 BUlLY COBRA KAWASAXI KIOOIIZ SACH-DOMLUR SUPER return UPS shipment c-oat OLsssts35 jiont flsss jir5i jiosa ousasaji jiZ34 055000 GSa jiT5r Atist OR jio ji35 60ji45 zEtottis 5 mm ji603 00055000058555 ji535815513 2560 SIDE MOUNT MUFFLERS tot PIllS CAP 21 CESSNA 150 etc S lrfl toroere Co uNIVERSAL IN-COWL AIRCRAFT MUFFLERS r 19-4045-6075-13 engines Most versatile mufflers ever offered Designed tit inside cowls limited space can also ssed HEUCOPTERS BOATS UPRIGHT INVERTED SIDE mounted engines Exhaust tubes point almost direction Worm drive clamp tor universal mounting can bolted directly engine INCtUOSso Echocireeiescn wilt CiosrOr toe OtE c25im mattiol oigrrnent plot, rite eta ro,rro ICIew 5850 sassc aimOIMENSIOOEIII iLl -C--l IGNO ENGINE iraus in-tO1800 IS 45-60am am jima UPRIG5II5IDEI INOSETED jiasa ia-osiaoo jisaasmmm jima isis4560 INWETIS ENGINEE0GI1IJii 30853 19605860No il-Ask JT-55385-601900 MAiLOROE5ttSeadd555IsSUPS5060 00-9037513 aim sitippinS Owol MO ViSA MCOI coo accepted Add 500 TIara tOt coD FREE CA ENGINE TESTING STANDS cast Aluminum l mstralnlng No TOSS OaekAs5Sp sesse No 60P2300 45-As No ITS 55 RC Scale/Wischers Continued page 47 tions sketched certain parts will fit across fuselage width Plot sec tion shapes same manner other curves three-view Important bulkheads firewall engine mounting another wing leading edge preferably plywood other load-carrying member wing trailing edge greatest trouble source model design built-in overweight condition Adding structure using heavier material sections necessary can produce model must fly fast become airborne resulting control problems Concentrate weight points needing extra strength hard materials meet balsa engine mount commonly used Scale models aluminum fastened plywood firewall ply epoxy-glued balsa frame large-area balsa gussets Landing gears also require special attention steel connects balsa structure inter mediate parts hardwood ply will spread loads landing shock Tires alone shouldnt depended upon absorb shock gear springs preferred Telescoping struts internal springs sometimes used full-size aircraft preserve Scale appearance function Fastening such members wing fuselage demands load spread over area strut should set hardwood block anchored adjacent structure steel bolts Glue alone will withstand repeated landing shock music-wire gear will endure unlimited number landings should tied ply steel straps machine screws necessary weight Avoid adding weight elsewhere Construction technique information can found examining magazine drawings kits modeler designing own Scale air craft first time will have previous experience kits scratch-building design efforts shamelessly borrow con struction ideas everyone assume others likewise Internal structure use foam wings step-by-step construction procedures have detailed discussion th model magazines modeler does own designing truly innovative ideas begin materialize therein lies real satisf Lction None us knew capabilities until made first bold step model desigt Hobt Hobl forml mi craft ypoxy colors Pettit Paint Co maker ypoxy products has published series ilas over past several years telling various shades used military air f nations involved WW II latest probably last series Ger man Luftwaffe insignia marking colors cross swastika insignia black white standard Hobbypoxy HB1 Black HlO White may used Note however insignia painted semi-gloss finish produced slight sheen Hobbypoxy suggests using combina tion gloss hardener flat hardener about 50-50 mix should produce effect Registration unit code markings flat finish common being black white red yellow blue formulas presented 04 Yellow 23 Red 24 Dark Blue Luftwaffe colors Yellow 0440 parts H49 Cub Yellow two parts H70 Gray part H65 Bright Red Red 2332 parts H65 Bright Red eight parts H66 Dark Red part H47 Bright Yellow part H1O White Dark Blue 24three parts H24 Dark Blue five parts H65 Bright Red part HlO White Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 49 disqualifications manoeuvres outside box As already know dont care Turnaround pattern competitor can will participate judge sup porter concept think Jim Ewing has some excellent ideas Comments Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 51 tion Try build models eight oz per sq ft minimum-wing-loading rules Building light partly state mindyou must constantly aware weight little little adds up overweight model Keep postal diet scale Continued page 152 150 Model Aviation 600 800 1000 1000 1000 1000 1000 1000 1200 1100 1300 1300 1300 1300 1600 2000 1800 1800 1800 OUR FACTORY BURNED DOWN ON FEB 2 1986 WE NOW HAVE NEW BUILDING DELIVERING ORDERS AND SOON WILL BE BACK TO FULL PRODUCTION WE APPRECIATE YOUR SUPPORT IN THE PAST AND HOPE THAT IT WILL CONTINUE LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FOU CdT4LOG $299 O NEW NO 619 448-1818 ymers N FREE FLIGHT UC SPEED RACING COMBAT EPOXY-GLASS PROPS CONTINUOUS LENGTH AS LOW AS $125 EA FREE BROCHURE J &JleO Div Pops Props Inc J/I 09 Crescent Sunnyside WA 98944 509-837-5983 r MPG OF NI-STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING L TORK revolutionary concept power 1 planes using glow fuel engines TI enough reduce compression cad comes e new C/b chi cherging also has removable T Over 50 consecutive starts full onto plug positive connection Sen free shipping handling 152 Model Aviation STARTER 5V glow plugs model cars boats air IRK STARTERITMI has steal wrench strong Ir starting supplies power doing rger has LED indicate unit andle can used Torque amplifier charge rechargeable hundreds times Clips ad along pre-payrnent receive TORK-STARTER $2995 Charger Ii by 220V 12V Fast Chargerl $2095 Without Charger CHARGERS $1296 Charger Only Ill CV 220V 1 2V Fast Charger 3011464-2260 work ench make notes weights build will give insight eight buildups occur selecting desig mber simple ones easier build light SAM rules permit structural modifica tions strengthen lighten long done character original design means can increase reduce struc ural members use lighter stronger materials add delete members cann pt substitute slab-sided fuselage builtup nor can turbulator spars substituted planked leading edges keeping character original planning lighten model re member must structurally strong consistent winner cant have well-sdjusted model must rebuild after few flights Also must rigid enough avpid flutter deflection during power run wherefore place start weight redution wing spar matter fact will probably have beefed up Rathr places start weight reduc tion heavy items may able save nore using lighter wheels total weiglt wing spars Very thin service able heels can made balsa little AinT plywood smaller models Also bottoms aluminum drink cans can make neat lightweight 1% 2%-in wheels faced plywood Smaller batteries another method saving lots weight big Texaco 100 mAh batteries may used charged field unit between flights Remember model well-trimmed 90% time will moving servos AA Texaco limited-engine-run events largest battery needed 225 mAb pack little reason use large servos red-hot models World Engines 5-224 servos adequate SAM mode use Ohlsson 60-powered model well-designed control system light n quires low actuation forces After aren i required perform aerobatics SAM models required ability trii efficient flight guidance th areas lift Use enough control surfa e area deflection control mode conditions under will flown Note Futaba S-33s Ace Micro servm similar World S-22A B Fueler Isplice line NEW E-Z FUEL ERft A Receptical lapprox 1/4 die 18 dard 5/32 ter Scale application Standale Aircraft offers EZ-Fueling Reasonable Price istic Appearance Installed Lightwight z hmount $250 plus $ 50 postage handling STANDALE AIRCRAFT CO 2648 Thornwood S W Wyoming M149509 have kit review March 1986 issue Flying Models should interest anyone considering first RC Old-Timer avid enthusiast looking new project reviewed Champion Model Products Powerhouse found kit marvel quality excellent prefabrication classic Sal Taibi design treated well kit makes absolutely dandy flier originally powered OS 61 fourstroker astonished its overpowered behavior design perfectly legal SAM competition sort power cer tainly flies realistically lots fun 35-size Davis Diesel conversion Id suspect 46-size four-stroker would just about ideal Just fun bulk months photos Powerhouses forms over country Another TIS Whats TIS Transistorized ig nition system As mentioned previous col umn availability ignition-engine timer parts Micro Model Engineering theyre MAs advertisers look up ad others has set off bunch activity fliers running old sparkers RC Assist O-T Some very distinct catastroph ic problems can encountered sparkers used RC models old-fashioned coiland-condenser ignition used Several manufacturers have made transis torized ignition units available cure radio frequency RF problems recently received TIS being imported England Strieglers RC Supply 5831 McNight Houston TX 77035 manufactured same Dunham Engineering Orwick Elfin other replica engines Bert Striegler also importing lays out nice fat spark draws bit current units Kustom Kraftsmanship CHS Contact Strieglers brochure TIS replica engines Dee B Mathews 909 N Maize Rd Town house 734 Wichita KS 87212 RC Electrics/Kopski Continued page 53 bined basic do-abilityfor everyone As side comment its likely first-time local meets will draw limited partici pation nearly limited rules establish motor and/or model sizes number cells limited motor runs Continued page 154 12421 Ransom Dr Glenn Dale MD 20769 IRE WHEELS ED& REALISTIC Custom built seamless machined rims Deirin bearings two sizes 8 Nieuport & Triplane 96 5 Proctor model$3596 Send 6O complete literature price list o kits ac cessories Im nIt really selling subscriptions work way ti rough school may seem odd I
Edition: Model Aviation - 1986/06
Page Numbers: 50, 51, 150, 152
Radio Control Old-Timers Dr DB Mathews VISUALIZE Crate took ship thing England Packing Wakefield rubber-pow ered entries shipment far land proxy-flown common practice pre-WW II era same can said gas-powered models respect Krupp Bowden winner has rare story associated Can imagine crating thingthe drawings show provisions separate wing panels shipping Akron OH England years both before after WW II Col Bowden Englands Out standing modeling pioneers sponsored perpetual trophy awarded annually winner Gas event winner determined complex set rules involving appearance plane engineer ing features dura tion flight landing/takeoff char acteristics 1937 Carrol Krupps model proxyflown first place Herbert Fish Close ex amination design gives some strong dications won Remember model contemporary Goldbergs monstrous Valkyrie Michael Rolls Fourteen-Footer Zaics Miss America Ben Shereshaws nine-foot-span Cavalier Most significantly Krupps design con temporary Chet Lanzos Record Breaker both men lived Ohio Obviously now learn other &r covoeto CA44NC AOfD 7 - - - 1 3eow4he - - LNA67A 5/, Bea jf wg6#r S ~15 #OAL iN- AVO7 CAn LyArhqRn petZ 5/ON AR WIA6 104 IO7SffF--7 4zZZILZzZ _________ -IBAlSAN COV*DSWO6T MT eOo -I 3LaeeeSrS 4r4L4aL 22-7 NOYIR ~F 4j jq7 j/ 4r4j -Z4CA VZ -j e/8S fre45 7 fN/ fy4 / 44 PrAOL MWAff I&Y4wlaI4u 17 CW~ ea AeeOA4 0 jdwV iN EAEIAND 4. *2EjE*T /3h 50 Model Aviation Docs gone bonkers Powerhouse models month Dave Thomason launches Bob Elliotts JSCIRCC Old Timer bash Houston TX Owen Morris photo Clarence Haughts 15-size Powerhouse built Midway kit Sal Taibi designed Powerhouse back late Thirties Bill Zartmans Dover PA Powerhouse uses Veco 61 power 135 prop lift its 12% lb skyward Its got 21/2 lb ballast nose Photo Gibbs 5ob Wischer spotted replica Carrol Krupps Akron OH 1937 Bowden International Petrol winner Old Warden UK 1978 Dave Baker built model powered Merco 49 Three-view Frank Zaics 1937 Yearbook Courtesy F Zaic Frankly find bit surprising design very rarely seen contemporary Old-Timer competition Its design parameters appear indicate strong likelihood excel lent performance NACA 4412 airfoil generously-proportioned wing nice long moment arms coupled simple structure should surely make design popular design should seen often Antique Texaco opinion Perhaps some aerodynamic problem exists cant see anyone has knowledge about Krupp Bowden winner Id really appreciate hearing Among structural details shown drawing Frank Zaics 1938 Yearbook available AMAs Supply Service Dept under-and-over lacing between wing ribs using A-in strips silk presume doped places touched wing ribs before wing covered Frankly have never seen technique used seems would add considerable amount torsional strength wing Since Krupp used A-in sheet ribs reinforcement may have much-needed addition As matter fact entire structure appears bit light might respond some hints Eut Tileston will given minute Based observations doesnt wing loading 107 oz/sq ft quoted draw ing seem bit high M&Ms wouldnt melt hand either note interest some modelers desperately seeking 3A-in M&M airwheels dont remember items distinctly different competi tive Trexler airwheels still available today may well hardware item longest continuous-availability hobby M&Ms didnt have long skin ny air-filler tube Trexlers Instead primitive sort valve inflation Also aluminum hubs very thin rubber walls writer once set still recalls attempting seal sticker-hole rubber cement didnt work Believe field conditions Trex lers better Newsletter gleanings Lehigh Valley PA letter As grain-filler microballoons can mixed nitrate dope excellent base coat Dont add too microballoons mix will too dryit should flow easily brush dry model will look like has rolled sand coating smoothes very easily especially cross-grain Old-Timers other light-finish applica tions single coat well-sanded followed another two coats clear will very nicely Seemingly best choice Prather Miracle Balloons although K&B Prather phenolic balloons will work lumps mashed out SCIFs CA Flightplug get good glossy finish still avoid warps light structure first apply four thin coats butyrate dope cover coat K&B Superpoxy thinned commercial lac quer thinner lacquer thinner makes Superpoxy bite butyrate itself Superpoxy will stick butyrate dope Dont alarmed stuff goes milky blushes will dry out clear Eut Tileston Nifty SAM 51 CA Some thoughts building light Light models will perform better SAM competi Continued page 150 2541 NE 11th Court ano Beach Florida 33062 e 3051 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT NEW COSMIC WIND An exciting lineup CIL & RIC airplanes plus RIC off-road cars 1986 Enclose stamped self-addressed envelope request FREE mini-catalog today EZ flyers FUEL cox 3AHDO CESSNA 150 AEROBAT STARTER KITS RIC P-39 AIRACOBRA OFFROAD CARS O/ SAN WA CONTROLRADIOS TRAIlER LINE MODELS cox carxirzio ELECTRIC POWERED RIC PLANE COX HOBBIES INC 1525 East Warner Avenue Santa Ana CA 92705 ATT- CHEKRX NEW ON-Board Battery Tester Saves Time. Saves Models Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged BA1TCHEK RX-1ORDER TODAY $1495at dealer Protune Corp 914 462-6452 ade LISAPO Box 1808 Poughkeepsie NY 12601 June1986 51 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 $400 15x6 8 $700 18x6 810 0 22x8 10 0 14x6 16x6 8 $800 20x6 8 10 0 AddISzesAvailableSoon Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail $1345 $795 pi s $550 u dol s please Send Check MO Credit Card info Consumers Guide 150 Ott St Harrisonburg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICEI MasterCard lB # ______________________ Expiration Date ___________________________ $innod from 5 FOUR CYCLE ENGINE MOUNT Cast atunwtum alloy Graund 9#sssst Mn Esight polish NrIstaed Socket cop screws 6ciudSd DRULED AND TAPPED FOR No JT20 OS MAX FS 20 No iT-dOUrrdrtisd tor 2t-AO NoJT-AttfVT2l No J1-42ENVA 35-40 AC No 11-43SAITO PA 30 No11-AdOSMAXPS4O No IT-ASSAIIO PA 40-AS No 11-46ENVA 46 AC No1149tfVlA9 No JT60Undrilled 60-90 No41-6106 MAX PS61 No 41-6205 MAX P560-75-90 No JT-6AENYA 60-8090-120 AC No JT-65SAtTO PA 65 No 11120 Undstled tar 120 No 11-121 ENYA 8 120 PC No 41122 OS MAX PS 120 No 41 -123 SAITO PA 120 No 41125 Super TrO 353000 GIANT ENGINE MUFFLERS availableMalched engine 1a pipe extensions mounting Uclts inctided hobby ShopORDIR DIRICT for AILAS 46 BUlLY COBRA KAWASAXI KIOOIIZ SACH-DOMLUR SUPER return UPS shipment c-oat OLsssts35 jiont flsss jir5i jiosa ousasaji jiZ34 055000 GSa jiT5r Atist OR jio ji35 60ji45 zEtottis 5 mm ji603 00055000058555 ji535815513 2560 SIDE MOUNT MUFFLERS tot PIllS CAP 21 CESSNA 150 etc S lrfl toroere Co uNIVERSAL IN-COWL AIRCRAFT MUFFLERS r 19-4045-6075-13 engines Most versatile mufflers ever offered Designed tit inside cowls limited space can also ssed HEUCOPTERS BOATS UPRIGHT INVERTED SIDE mounted engines Exhaust tubes point almost direction Worm drive clamp tor universal mounting can bolted directly engine INCtUOSso Echocireeiescn wilt CiosrOr toe OtE c25im mattiol oigrrnent plot, rite eta ro,rro ICIew 5850 sassc aimOIMENSIOOEIII iLl -C--l IGNO ENGINE iraus in-tO1800 IS 45-60am am jima UPRIG5II5IDEI INOSETED jiasa ia-osiaoo jisaasmmm jima isis4560 INWETIS ENGINEE0GI1IJii 30853 19605860No il-Ask JT-55385-601900 MAiLOROE5ttSeadd555IsSUPS5060 00-9037513 aim sitippinS Owol MO ViSA MCOI coo accepted Add 500 TIara tOt coD FREE CA ENGINE TESTING STANDS cast Aluminum l mstralnlng No TOSS OaekAs5Sp sesse No 60P2300 45-As No ITS 55 RC Scale/Wischers Continued page 47 tions sketched certain parts will fit across fuselage width Plot sec tion shapes same manner other curves three-view Important bulkheads firewall engine mounting another wing leading edge preferably plywood other load-carrying member wing trailing edge greatest trouble source model design built-in overweight condition Adding structure using heavier material sections necessary can produce model must fly fast become airborne resulting control problems Concentrate weight points needing extra strength hard materials meet balsa engine mount commonly used Scale models aluminum fastened plywood firewall ply epoxy-glued balsa frame large-area balsa gussets Landing gears also require special attention steel connects balsa structure inter mediate parts hardwood ply will spread loads landing shock Tires alone shouldnt depended upon absorb shock gear springs preferred Telescoping struts internal springs sometimes used full-size aircraft preserve Scale appearance function Fastening such members wing fuselage demands load spread over area strut should set hardwood block anchored adjacent structure steel bolts Glue alone will withstand repeated landing shock music-wire gear will endure unlimited number landings should tied ply steel straps machine screws necessary weight Avoid adding weight elsewhere Construction technique information can found examining magazine drawings kits modeler designing own Scale air craft first time will have previous experience kits scratch-building design efforts shamelessly borrow con struction ideas everyone assume others likewise Internal structure use foam wings step-by-step construction procedures have detailed discussion th model magazines modeler does own designing truly innovative ideas begin materialize therein lies real satisf Lction None us knew capabilities until made first bold step model desigt Hobt Hobl forml mi craft ypoxy colors Pettit Paint Co maker ypoxy products has published series ilas over past several years telling various shades used military air f nations involved WW II latest probably last series Ger man Luftwaffe insignia marking colors cross swastika insignia black white standard Hobbypoxy HB1 Black HlO White may used Note however insignia painted semi-gloss finish produced slight sheen Hobbypoxy suggests using combina tion gloss hardener flat hardener about 50-50 mix should produce effect Registration unit code markings flat finish common being black white red yellow blue formulas presented 04 Yellow 23 Red 24 Dark Blue Luftwaffe colors Yellow 0440 parts H49 Cub Yellow two parts H70 Gray part H65 Bright Red Red 2332 parts H65 Bright Red eight parts H66 Dark Red part H47 Bright Yellow part H1O White Dark Blue 24three parts H24 Dark Blue five parts H65 Bright Red part HlO White Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 49 disqualifications manoeuvres outside box As already know dont care Turnaround pattern competitor can will participate judge sup porter concept think Jim Ewing has some excellent ideas Comments Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued page 51 tion Try build models eight oz per sq ft minimum-wing-loading rules Building light partly state mindyou must constantly aware weight little little adds up overweight model Keep postal diet scale Continued page 152 150 Model Aviation 600 800 1000 1000 1000 1000 1000 1000 1200 1100 1300 1300 1300 1300 1600 2000 1800 1800 1800 OUR FACTORY BURNED DOWN ON FEB 2 1986 WE NOW HAVE NEW BUILDING DELIVERING ORDERS AND SOON WILL BE BACK TO FULL PRODUCTION WE APPRECIATE YOUR SUPPORT IN THE PAST AND HOPE THAT IT WILL CONTINUE LARGE CATALOG OF QUALITY SUPPLIES KITS AND PLANS FOR RUBBER POWERED MODELS ALSO CO-2 ENGINES BLIMPS ELECTRIC AND MORE FOU CdT4LOG $299 O NEW NO 619 448-1818 ymers N FREE FLIGHT UC SPEED RACING COMBAT EPOXY-GLASS PROPS CONTINUOUS LENGTH AS LOW AS $125 EA FREE BROCHURE J &JleO Div Pops Props Inc J/I 09 Crescent Sunnyside WA 98944 509-837-5983 r MPG OF NI-STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING L TORK revolutionary concept power 1 planes using glow fuel engines TI enough reduce compression cad comes e new C/b chi cherging also has removable T Over 50 consecutive starts full onto plug positive connection Sen free shipping handling 152 Model Aviation STARTER 5V glow plugs model cars boats air IRK STARTERITMI has steal wrench strong Ir starting supplies power doing rger has LED indicate unit andle can used Torque amplifier charge rechargeable hundreds times Clips ad along pre-payrnent receive TORK-STARTER $2995 Charger Ii by 220V 12V Fast Chargerl $2095 Without Charger CHARGERS $1296 Charger Only Ill CV 220V 1 2V Fast Charger 3011464-2260 work ench make notes weights build will give insight eight buildups occur selecting desig mber simple ones easier build light SAM rules permit structural modifica tions strengthen lighten long done character original design means can increase reduce struc ural members use lighter stronger materials add delete members cann pt substitute slab-sided fuselage builtup nor can turbulator spars substituted planked leading edges keeping character original planning lighten model re member must structurally strong consistent winner cant have well-sdjusted model must rebuild after few flights Also must rigid enough avpid flutter deflection during power run wherefore place start weight redution wing spar matter fact will probably have beefed up Rathr places start weight reduc tion heavy items may able save nore using lighter wheels total weiglt wing spars Very thin service able heels can made balsa little AinT plywood smaller models Also bottoms aluminum drink cans can make neat lightweight 1% 2%-in wheels faced plywood Smaller batteries another method saving lots weight big Texaco 100 mAh batteries may used charged field unit between flights Remember model well-trimmed 90% time will moving servos AA Texaco limited-engine-run events largest battery needed 225 mAb pack little reason use large servos red-hot models World Engines 5-224 servos adequate SAM mode use Ohlsson 60-powered model well-designed control system light n quires low actuation forces After aren i required perform aerobatics SAM models required ability trii efficient flight guidance th areas lift Use enough control surfa e area deflection control mode conditions under will flown Note Futaba S-33s Ace Micro servm similar World S-22A B Fueler Isplice line NEW E-Z FUEL ERft A Receptical lapprox 1/4 die 18 dard 5/32 ter Scale application Standale Aircraft offers EZ-Fueling Reasonable Price istic Appearance Installed Lightwight z hmount $250 plus $ 50 postage handling STANDALE AIRCRAFT CO 2648 Thornwood S W Wyoming M149509 have kit review March 1986 issue Flying Models should interest anyone considering first RC Old-Timer avid enthusiast looking new project reviewed Champion Model Products Powerhouse found kit marvel quality excellent prefabrication classic Sal Taibi design treated well kit makes absolutely dandy flier originally powered OS 61 fourstroker astonished its overpowered behavior design perfectly legal SAM competition sort power cer tainly flies realistically lots fun 35-size Davis Diesel conversion Id suspect 46-size four-stroker would just about ideal Just fun bulk months photos Powerhouses forms over country Another TIS Whats TIS Transistorized ig nition system As mentioned previous col umn availability ignition-engine timer parts Micro Model Engineering theyre MAs advertisers look up ad others has set off bunch activity fliers running old sparkers RC Assist O-T Some very distinct catastroph ic problems can encountered sparkers used RC models old-fashioned coiland-condenser ignition used Several manufacturers have made transis torized ignition units available cure radio frequency RF problems recently received TIS being imported England Strieglers RC Supply 5831 McNight Houston TX 77035 manufactured same Dunham Engineering Orwick Elfin other replica engines Bert Striegler also importing lays out nice fat spark draws bit current units Kustom Kraftsmanship CHS Contact Strieglers brochure TIS replica engines Dee B Mathews 909 N Maize Rd Town house 734 Wichita KS 87212 RC Electrics/Kopski Continued page 53 bined basic do-abilityfor everyone As side comment its likely first-time local meets will draw limited partici pation nearly limited rules establish motor and/or model sizes number cells limited motor runs Continued page 154 12421 Ransom Dr Glenn Dale MD 20769 IRE WHEELS ED& REALISTIC Custom built seamless machined rims Deirin bearings two sizes 8 Nieuport & Triplane 96 5 Proctor model$3596 Send 6O complete literature price list o kits ac cessories Im nIt really selling subscriptions work way ti rough school may seem odd I