Radio C onE rot Pylon Racing Bill Hager RC PYLON RACING opinion competitive exciting aspect flying RC model airplanesnot com petitors also spectators have disposal best equipment best engine people experienced best fliers dont compete world wide level Just about other aspect model aviation has international world com petitors used such FAI event due lack interest sidelined So Pattern Scale guys have world com petitions Tournaments Champions Las Vegas Control Line fliers compete over world Pylon Racers sit thumbs just racing other watching event die have racing quite now seems though still racing same people racing 10 years ago dont seem getting new people involved Formula speeds havent changed over six years becoming stagnant What need shot arm Something new get back racing world level Formula circles have talking about getting away highprice fuel high cost needing have engines season racing FAI two engines would last whole season FAI fuel 80% Methanol 20% oil An engine will last long time kind fuel have few people have interested getting FAI Pylon Racing started again peoplenamed Bob Brown out Bradford PA has touch other people Pylon Racing good yearshas just returned trip Paris France Bob representing US annual FAI meeting idea come back something would get people started World Championships racing again Most people have talked interested dont want hassle having two different types racers around typical comment could use Formula Ones would some interest Well looks though got way now its up us some new rules Definition Radio Control Pylon Racing Models Aeromodels propulsion energy provided piston-type motor lift obtained aerodynamic forces acting supporting surfaces except control areas must remain fixed flight model must recognizable replica particular aircraft used full-scale closedContinued page 105 40 Model Aviation What gave first clue US Pylon Race scene Sorry cant give details about photosbut theyre Czechoslovakia two models appear samedesign presumethatthe light-colored middle photo isthesame shown lower photo Theres no question about dark-bodied sure look fast Bill reports fresh interest FAI Pylon Racingand new rules MINNEAPOLIS HAS SOMETHING NEW IN THE AIR Its Cox Hobbies Weve moved up better facilities give better service think servicing product important its performance AND WELL BACK UP OUR WORDS WITH ACTION PT ACTION will repair radios engines 7 days will ship replacement parts within 10 days Contact Marl Run mark prices availability information 612-835-3000 write Customer Service 4400 West 78th Street Minneapolis Minnesota 55435 Cox division ol Leisure Dynamics Inc Hobbies eapolis Minnesola 55435 See well help fun take off landing gear details theres much clear space anywhere can imagine amount detail included landing gear example rugged functional unit suitable Giant Scale designs Some machine work required build gear nothing very difficult about Another well-detailed feature flap system early design stages Phil figured since real airplane needed flaps model would also Looking projected flying weight over 30 pounds direct servo operation flaps didnt seem too practical pneumatic hydraulic system incorporated littie thought study information plans will allow duplicate Phils very successful installation nice feature plans suggestedjig building fuselage Another indication size bird fact jig made length 2 8 lumber -in ply wood bulkhead supports Phils original built jig think its good invest ment buy eight-foot spruce 2 8 later can cut up building material have seen Phils plane fly can vouch its airworthiness Sad say also witnessed its last flight Phil just completed rolling pass length field Hill Country lost control plane spun several weeks before cause traced cracked crystal transmitter can certainly recommend plans please afirst model Price $2995 plus $200 postage handling Advailable Bob Morse 3352 Prune Ridge Ave Santa Clara CA 95051 Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Pylon Racing/Hager Continued page 40 course air racing Unusual unconventional features model must substantiated documentary proof full-sized aircraft ie photographs three-view drawings Motors Motors must reciprocating piston type maximum total swept volume 66 cm3 40 cu Shut-off engine shall equipped positive radio-controlled engine shutoff pilot must able shut off engine radio 0405 1011 1519 2025 3035 4045 40451 5050 6070 195 225 235 245 265 275 300 325 325 OEM BULK INQUIRES INVITED Featuring LONG GLASS FILLED NYLON FOR STRENGTH AND STABILITY Alignment Lines Mounting Interchangeable Kraft Flat bottom nose gear SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDOLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0744 control ground air within five seconds command irrespective alrcraft attitude competitor will disqualified heat unable land model promptly instruction starter Silencer motors shall fitted silencer Within its length shall ex pansion chamber less 3Omm1-3/16in diameter 100mm 3-29/32-in length hav ing single orifice maximum diameter 10mm 13/32-in Propeller Only fixed-pitch two-blade design propellers either wood composite resin/ continuous-fibre construction may used jection-moulded propellers acceptable Propeller spinner scale-like rounded-nose spinner shall used models proto type aircraft used no spinner rounded-nose spinner least 25cm 1-in diameter shall used Cross-section fuselage shall have mini mum height 175mm 6-13/16-in minimum width 85mm 3-5/16-in Both minimum dimensions must occur same cross-section location fuselage point will have minimum cross-sectional area 100cm2 155 sq excluding fillets contestants will re4uired provide templates prove Fillets considered parts fuselage lifting surfaces Cowls motor motors must enclosed exception silencer cylinder head controls must manipulated during operation motor cylinder head purpose defined top outer 1cm 25/64-in motor excluding ignition plug compression screw Landing gear landing gear shall resemble prototype machine location airframe number wheels used minimum diameter main wheels shall 57mm 2-in minimum width shall 12mm 31/64-in least eter Continued page 108 April 1981 105 NEW GLASS FILLED MOTOR MOUNTS FIBERGLASS COWLS ONE PIECE REASONABLE PRICES -MANY MODELS Fiberglas cloth resin farm durable fuel proof products duplicate original size detail Sturdy yet flexible constructionwith reinforced stress points resists cracking has little affect models cg products easy paint require assembly SIGJEMCO4 FLiTEGUARTER SCALE 00401550PTiS500POS Akeob650I-3 Cm1005 100014550P01 ISO 0S050P40 W4u141000Stimo VoyaoJJ 1200 541550ASM3 Z000PSifl1000Fl. SHbIC 1000 4 00ATS N0lfl Aoion 00FSO Cfi1000Ana COmpN 1500 Ca 150805P570 J51200FSPS S..l1000W M.lleoaN 1800 1l7 Spn000FSF 011001000FSl Mm5N 2000 SwbS800FSO C,fi1200PICA4 45 EM Cl CottooptIN Noen S,00 5441000FW 100 051000 80., 00011000WHEELPANTOWo 31000UNIVERSAL RADIALCOWLS Soon FIS ItO1200r IpsoooCa 152120055 Sf0150500 Sic Kooslior55010 09 10011900lP0Il12000 W S FSOl200 12 13 Soil loonl000T25 B Tm 500IT ao21100 STAFFORD 824 4.. 120000100 FLIGHT PooptOsid CoUqiol555 Send Check Money Order No COD accepted New York residents add 7% sales tax Please add $150 shipping US $200 outside US S 9 I9 ApLihr ~sdm 7&sdeea / A $79 95* Four Folding Legs Wing & Fuselage Holders Add $400 Shipping Calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 tailskid may used lieu tail wheel positive means steering ground shall provided rudder control acceptable Retractable undercarriage may used incorporated prototype cockpit canopy cabin shall resemble prototype machine capable enclosing pilots head measuring 5cm 131/32-in chin top head cockpit need transparent pilot need fitted Area surfaces Total projected area lifting surfaces wing horizontal tail com bined shall minimum 34 sq decimeters 527 sq biplane smaller two wings shall have least % area ofthe larger wing No delta flying-wing-type aircraft allowed Wingspan Minimum wingspan shall 1150mm 441i-in monoplane 750mm 29ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION NGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Dealer inquiries invited largest wing biplane Wing thickness Wing thickness root shall least 22mm Ys-in monoplane 18mm 45/64-in biplane biplane different-size wings smaller wing must least 13mm 33/64-in thick root Wing thickness may decrease straight-line taper root tip viewed leading trailing edge Note Root shall defined innermost wing section counting fillets may measured removing wing fuselage completely exposed wing such parasol monoplane top wings biplanes root section wing intersected projection outline fuselage seen top view ie root section would 50mm centerline exposed wing model 100mm-wide fuselage Weight Weight less fuel including equipment necessary flight shall least 2200 grams 485 lbs 3000 grams 660 lbs ballast used must permanently safely affixed Fuel Fuel standard formula glow plug spark ignition motors will supplied ganizers Its composition shall 80% thanol 20% lubricant Scoring flight flight model shall timed stopwatch Timing shall commenced starting signal given individual competitor Lap Scorers stop watches after 10 laps have com pleted concerned infringements flier has made Pylon Sideline Judges after heat has finished notit Race Starter models have made infringements infringement made one-tenth fliers time 10 laps added give corrected time two infringements made pilots flight cancelled Points shall awarded after race follows contestants corrected time se conds deducted 200 No points will awarded model fails complete 10 laps flight cancelled Well rebirth FAI Pylon Racing Its up us will later note allowing continuousfiber props Control Line fliers have using years very safe prop could last whole seasonor two Invitation International Pylon Race received following letter Pylon racing has adherents Czechoslovakia Apart couple less important races Grand Prix MODELA taking place Melnik about 30km off Prague confluence rivers Vltava Elbe Its fourth run will take place June 5 7 1981 first time included FAI calendar international contest F3D category sponsor contest MODELA manufacturer modelers kits RC equipment MVVS 25cm3 65cm3 Modela CO-2 en gines has also donated prizes crystal cups products its own production Until now contest always parti cipants two categories Club 20 F3D parts have always taken over hundred modelers contest takes two days accommodation arranged cottages nearby camp about 2km away airport Saturday evening party will take place wine pub Melnik castle propositions application forms write secretary contest Zdenek Malina 108 Model Aviation Introducing. Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 *4w 7g~ 9o plus shipping Dealer Inquiries Invited 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 QUICK & EASY C PATTERN S NO MEASURING NEEDED TRACE-CUT-ASSEMBLE Material Lists & Instructions Included Stand-Up Flight Box Designed Hold Fuel Tank Transmitter Starter etc Legs Removable $398 21x12x39 Heavy Duty Stand-Up Engine Test Stand Friction Guide 0 40 High $298 Send ___________________________________ ________________________ SELECT-A-PRODUCTS 0 550 E LINCOLN 0 POMONA CA 91767 MODELA Holeckova 9 150 00 Prague 5 Czechoslovakia Well Im moving again receive issue will living Houston TX Please send tips comments ideas new address Bill Hager 706 Glen Haven Drive Conroe TX 77302 713 273-2086 RC Scale/Wischers Continued page 35 bombing raids Douglas James has considerable success stall-actuated slots powered RC glider audible clicking pop out during stall recovery constant flow Royal Navy jet helicopter traflic over Pelly-Fry home nearby Naval Air Station Yeovilton Fleet Air Arm Museum located Planes air Hawker Hunters Hawker Harriers Eng lish Electric Canberras Next morning revisited museum has expanded house British 002 Concorde prototype two research aircraft used its development Scale props Most us Scale modelers recognize need dress up plane display propeller improve appearance being flown very few purists will insist scale prop must also fly plane have seen successful examples extent being adjustable air frequently asked questions static displays whether model would fly static prop answer depends upon number factors Several scale props carved left-hand early planes modeled after plane auto engine rotate opposite direction Obviously could fly model other scale props properly balanced would fly model However best performance modern glow plug engines scale prop should replaced matches engine perfor mance obvious real reason scale prop cant used absence prop nut isnt fastened shaft securely center hole drilled slightly undersize thread onto engine shaft Carving prop difficult made proper material carves easily prefer basswood two reasons has little grain means knife goes directed rather following strong grain some materials Secondly easily available Most hobby shops stock Midwest Northeastern basswood planks can laminated Continued page 112 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 250 $30@ postage paid ready fly Solar Scamp 12 high performance free flying stick model $400 postage paid ready fly Send check money order Solareraft PO Box 6825 Santa Barbara CA 93111 Dealer inquiries invited April 1981 109 Scale props descriptions Half-blades cardboard shape templates Last 3 4 top have machined metal hub plates Bottom 4 plus 3-blader simulate metal props Fixed-pitch metal props similar wood ones except theyre painted rather varnished
Edition: Model Aviation - 1981/04
Page Numbers: 40, 105, 108, 109
Edition: Model Aviation - 1981/04
Page Numbers: 40, 105, 108, 109
Radio C onE rot Pylon Racing Bill Hager RC PYLON RACING opinion competitive exciting aspect flying RC model airplanesnot com petitors also spectators have disposal best equipment best engine people experienced best fliers dont compete world wide level Just about other aspect model aviation has international world com petitors used such FAI event due lack interest sidelined So Pattern Scale guys have world com petitions Tournaments Champions Las Vegas Control Line fliers compete over world Pylon Racers sit thumbs just racing other watching event die have racing quite now seems though still racing same people racing 10 years ago dont seem getting new people involved Formula speeds havent changed over six years becoming stagnant What need shot arm Something new get back racing world level Formula circles have talking about getting away highprice fuel high cost needing have engines season racing FAI two engines would last whole season FAI fuel 80% Methanol 20% oil An engine will last long time kind fuel have few people have interested getting FAI Pylon Racing started again peoplenamed Bob Brown out Bradford PA has touch other people Pylon Racing good yearshas just returned trip Paris France Bob representing US annual FAI meeting idea come back something would get people started World Championships racing again Most people have talked interested dont want hassle having two different types racers around typical comment could use Formula Ones would some interest Well looks though got way now its up us some new rules Definition Radio Control Pylon Racing Models Aeromodels propulsion energy provided piston-type motor lift obtained aerodynamic forces acting supporting surfaces except control areas must remain fixed flight model must recognizable replica particular aircraft used full-scale closedContinued page 105 40 Model Aviation What gave first clue US Pylon Race scene Sorry cant give details about photosbut theyre Czechoslovakia two models appear samedesign presumethatthe light-colored middle photo isthesame shown lower photo Theres no question about dark-bodied sure look fast Bill reports fresh interest FAI Pylon Racingand new rules MINNEAPOLIS HAS SOMETHING NEW IN THE AIR Its Cox Hobbies Weve moved up better facilities give better service think servicing product important its performance AND WELL BACK UP OUR WORDS WITH ACTION PT ACTION will repair radios engines 7 days will ship replacement parts within 10 days Contact Marl Run mark prices availability information 612-835-3000 write Customer Service 4400 West 78th Street Minneapolis Minnesota 55435 Cox division ol Leisure Dynamics Inc Hobbies eapolis Minnesola 55435 See well help fun take off landing gear details theres much clear space anywhere can imagine amount detail included landing gear example rugged functional unit suitable Giant Scale designs Some machine work required build gear nothing very difficult about Another well-detailed feature flap system early design stages Phil figured since real airplane needed flaps model would also Looking projected flying weight over 30 pounds direct servo operation flaps didnt seem too practical pneumatic hydraulic system incorporated littie thought study information plans will allow duplicate Phils very successful installation nice feature plans suggestedjig building fuselage Another indication size bird fact jig made length 2 8 lumber -in ply wood bulkhead supports Phils original built jig think its good invest ment buy eight-foot spruce 2 8 later can cut up building material have seen Phils plane fly can vouch its airworthiness Sad say also witnessed its last flight Phil just completed rolling pass length field Hill Country lost control plane spun several weeks before cause traced cracked crystal transmitter can certainly recommend plans please afirst model Price $2995 plus $200 postage handling Advailable Bob Morse 3352 Prune Ridge Ave Santa Clara CA 95051 Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Pylon Racing/Hager Continued page 40 course air racing Unusual unconventional features model must substantiated documentary proof full-sized aircraft ie photographs three-view drawings Motors Motors must reciprocating piston type maximum total swept volume 66 cm3 40 cu Shut-off engine shall equipped positive radio-controlled engine shutoff pilot must able shut off engine radio 0405 1011 1519 2025 3035 4045 40451 5050 6070 195 225 235 245 265 275 300 325 325 OEM BULK INQUIRES INVITED Featuring LONG GLASS FILLED NYLON FOR STRENGTH AND STABILITY Alignment Lines Mounting Interchangeable Kraft Flat bottom nose gear SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDOLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0744 control ground air within five seconds command irrespective alrcraft attitude competitor will disqualified heat unable land model promptly instruction starter Silencer motors shall fitted silencer Within its length shall ex pansion chamber less 3Omm1-3/16in diameter 100mm 3-29/32-in length hav ing single orifice maximum diameter 10mm 13/32-in Propeller Only fixed-pitch two-blade design propellers either wood composite resin/ continuous-fibre construction may used jection-moulded propellers acceptable Propeller spinner scale-like rounded-nose spinner shall used models proto type aircraft used no spinner rounded-nose spinner least 25cm 1-in diameter shall used Cross-section fuselage shall have mini mum height 175mm 6-13/16-in minimum width 85mm 3-5/16-in Both minimum dimensions must occur same cross-section location fuselage point will have minimum cross-sectional area 100cm2 155 sq excluding fillets contestants will re4uired provide templates prove Fillets considered parts fuselage lifting surfaces Cowls motor motors must enclosed exception silencer cylinder head controls must manipulated during operation motor cylinder head purpose defined top outer 1cm 25/64-in motor excluding ignition plug compression screw Landing gear landing gear shall resemble prototype machine location airframe number wheels used minimum diameter main wheels shall 57mm 2-in minimum width shall 12mm 31/64-in least eter Continued page 108 April 1981 105 NEW GLASS FILLED MOTOR MOUNTS FIBERGLASS COWLS ONE PIECE REASONABLE PRICES -MANY MODELS Fiberglas cloth resin farm durable fuel proof products duplicate original size detail Sturdy yet flexible constructionwith reinforced stress points resists cracking has little affect models cg products easy paint require assembly SIGJEMCO4 FLiTEGUARTER SCALE 00401550PTiS500POS Akeob650I-3 Cm1005 100014550P01 ISO 0S050P40 W4u141000Stimo VoyaoJJ 1200 541550ASM3 Z000PSifl1000Fl. SHbIC 1000 4 00ATS N0lfl Aoion 00FSO Cfi1000Ana COmpN 1500 Ca 150805P570 J51200FSPS S..l1000W M.lleoaN 1800 1l7 Spn000FSF 011001000FSl Mm5N 2000 SwbS800FSO C,fi1200PICA4 45 EM Cl CottooptIN Noen S,00 5441000FW 100 051000 80., 00011000WHEELPANTOWo 31000UNIVERSAL RADIALCOWLS Soon FIS ItO1200r IpsoooCa 152120055 Sf0150500 Sic Kooslior55010 09 10011900lP0Il12000 W S FSOl200 12 13 Soil loonl000T25 B Tm 500IT ao21100 STAFFORD 824 4.. 120000100 FLIGHT PooptOsid CoUqiol555 Send Check Money Order No COD accepted New York residents add 7% sales tax Please add $150 shipping US $200 outside US S 9 I9 ApLihr ~sdm 7&sdeea / A $79 95* Four Folding Legs Wing & Fuselage Holders Add $400 Shipping Calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 tailskid may used lieu tail wheel positive means steering ground shall provided rudder control acceptable Retractable undercarriage may used incorporated prototype cockpit canopy cabin shall resemble prototype machine capable enclosing pilots head measuring 5cm 131/32-in chin top head cockpit need transparent pilot need fitted Area surfaces Total projected area lifting surfaces wing horizontal tail com bined shall minimum 34 sq decimeters 527 sq biplane smaller two wings shall have least % area ofthe larger wing No delta flying-wing-type aircraft allowed Wingspan Minimum wingspan shall 1150mm 441i-in monoplane 750mm 29ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION NGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Dealer inquiries invited largest wing biplane Wing thickness Wing thickness root shall least 22mm Ys-in monoplane 18mm 45/64-in biplane biplane different-size wings smaller wing must least 13mm 33/64-in thick root Wing thickness may decrease straight-line taper root tip viewed leading trailing edge Note Root shall defined innermost wing section counting fillets may measured removing wing fuselage completely exposed wing such parasol monoplane top wings biplanes root section wing intersected projection outline fuselage seen top view ie root section would 50mm centerline exposed wing model 100mm-wide fuselage Weight Weight less fuel including equipment necessary flight shall least 2200 grams 485 lbs 3000 grams 660 lbs ballast used must permanently safely affixed Fuel Fuel standard formula glow plug spark ignition motors will supplied ganizers Its composition shall 80% thanol 20% lubricant Scoring flight flight model shall timed stopwatch Timing shall commenced starting signal given individual competitor Lap Scorers stop watches after 10 laps have com pleted concerned infringements flier has made Pylon Sideline Judges after heat has finished notit Race Starter models have made infringements infringement made one-tenth fliers time 10 laps added give corrected time two infringements made pilots flight cancelled Points shall awarded after race follows contestants corrected time se conds deducted 200 No points will awarded model fails complete 10 laps flight cancelled Well rebirth FAI Pylon Racing Its up us will later note allowing continuousfiber props Control Line fliers have using years very safe prop could last whole seasonor two Invitation International Pylon Race received following letter Pylon racing has adherents Czechoslovakia Apart couple less important races Grand Prix MODELA taking place Melnik about 30km off Prague confluence rivers Vltava Elbe Its fourth run will take place June 5 7 1981 first time included FAI calendar international contest F3D category sponsor contest MODELA manufacturer modelers kits RC equipment MVVS 25cm3 65cm3 Modela CO-2 en gines has also donated prizes crystal cups products its own production Until now contest always parti cipants two categories Club 20 F3D parts have always taken over hundred modelers contest takes two days accommodation arranged cottages nearby camp about 2km away airport Saturday evening party will take place wine pub Melnik castle propositions application forms write secretary contest Zdenek Malina 108 Model Aviation Introducing. Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 *4w 7g~ 9o plus shipping Dealer Inquiries Invited 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 QUICK & EASY C PATTERN S NO MEASURING NEEDED TRACE-CUT-ASSEMBLE Material Lists & Instructions Included Stand-Up Flight Box Designed Hold Fuel Tank Transmitter Starter etc Legs Removable $398 21x12x39 Heavy Duty Stand-Up Engine Test Stand Friction Guide 0 40 High $298 Send ___________________________________ ________________________ SELECT-A-PRODUCTS 0 550 E LINCOLN 0 POMONA CA 91767 MODELA Holeckova 9 150 00 Prague 5 Czechoslovakia Well Im moving again receive issue will living Houston TX Please send tips comments ideas new address Bill Hager 706 Glen Haven Drive Conroe TX 77302 713 273-2086 RC Scale/Wischers Continued page 35 bombing raids Douglas James has considerable success stall-actuated slots powered RC glider audible clicking pop out during stall recovery constant flow Royal Navy jet helicopter traflic over Pelly-Fry home nearby Naval Air Station Yeovilton Fleet Air Arm Museum located Planes air Hawker Hunters Hawker Harriers Eng lish Electric Canberras Next morning revisited museum has expanded house British 002 Concorde prototype two research aircraft used its development Scale props Most us Scale modelers recognize need dress up plane display propeller improve appearance being flown very few purists will insist scale prop must also fly plane have seen successful examples extent being adjustable air frequently asked questions static displays whether model would fly static prop answer depends upon number factors Several scale props carved left-hand early planes modeled after plane auto engine rotate opposite direction Obviously could fly model other scale props properly balanced would fly model However best performance modern glow plug engines scale prop should replaced matches engine perfor mance obvious real reason scale prop cant used absence prop nut isnt fastened shaft securely center hole drilled slightly undersize thread onto engine shaft Carving prop difficult made proper material carves easily prefer basswood two reasons has little grain means knife goes directed rather following strong grain some materials Secondly easily available Most hobby shops stock Midwest Northeastern basswood planks can laminated Continued page 112 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 250 $30@ postage paid ready fly Solar Scamp 12 high performance free flying stick model $400 postage paid ready fly Send check money order Solareraft PO Box 6825 Santa Barbara CA 93111 Dealer inquiries invited April 1981 109 Scale props descriptions Half-blades cardboard shape templates Last 3 4 top have machined metal hub plates Bottom 4 plus 3-blader simulate metal props Fixed-pitch metal props similar wood ones except theyre painted rather varnished
Edition: Model Aviation - 1981/04
Page Numbers: 40, 105, 108, 109
Radio C onE rot Pylon Racing Bill Hager RC PYLON RACING opinion competitive exciting aspect flying RC model airplanesnot com petitors also spectators have disposal best equipment best engine people experienced best fliers dont compete world wide level Just about other aspect model aviation has international world com petitors used such FAI event due lack interest sidelined So Pattern Scale guys have world com petitions Tournaments Champions Las Vegas Control Line fliers compete over world Pylon Racers sit thumbs just racing other watching event die have racing quite now seems though still racing same people racing 10 years ago dont seem getting new people involved Formula speeds havent changed over six years becoming stagnant What need shot arm Something new get back racing world level Formula circles have talking about getting away highprice fuel high cost needing have engines season racing FAI two engines would last whole season FAI fuel 80% Methanol 20% oil An engine will last long time kind fuel have few people have interested getting FAI Pylon Racing started again peoplenamed Bob Brown out Bradford PA has touch other people Pylon Racing good yearshas just returned trip Paris France Bob representing US annual FAI meeting idea come back something would get people started World Championships racing again Most people have talked interested dont want hassle having two different types racers around typical comment could use Formula Ones would some interest Well looks though got way now its up us some new rules Definition Radio Control Pylon Racing Models Aeromodels propulsion energy provided piston-type motor lift obtained aerodynamic forces acting supporting surfaces except control areas must remain fixed flight model must recognizable replica particular aircraft used full-scale closedContinued page 105 40 Model Aviation What gave first clue US Pylon Race scene Sorry cant give details about photosbut theyre Czechoslovakia two models appear samedesign presumethatthe light-colored middle photo isthesame shown lower photo Theres no question about dark-bodied sure look fast Bill reports fresh interest FAI Pylon Racingand new rules MINNEAPOLIS HAS SOMETHING NEW IN THE AIR Its Cox Hobbies Weve moved up better facilities give better service think servicing product important its performance AND WELL BACK UP OUR WORDS WITH ACTION PT ACTION will repair radios engines 7 days will ship replacement parts within 10 days Contact Marl Run mark prices availability information 612-835-3000 write Customer Service 4400 West 78th Street Minneapolis Minnesota 55435 Cox division ol Leisure Dynamics Inc Hobbies eapolis Minnesola 55435 See well help fun take off landing gear details theres much clear space anywhere can imagine amount detail included landing gear example rugged functional unit suitable Giant Scale designs Some machine work required build gear nothing very difficult about Another well-detailed feature flap system early design stages Phil figured since real airplane needed flaps model would also Looking projected flying weight over 30 pounds direct servo operation flaps didnt seem too practical pneumatic hydraulic system incorporated littie thought study information plans will allow duplicate Phils very successful installation nice feature plans suggestedjig building fuselage Another indication size bird fact jig made length 2 8 lumber -in ply wood bulkhead supports Phils original built jig think its good invest ment buy eight-foot spruce 2 8 later can cut up building material have seen Phils plane fly can vouch its airworthiness Sad say also witnessed its last flight Phil just completed rolling pass length field Hill Country lost control plane spun several weeks before cause traced cracked crystal transmitter can certainly recommend plans please afirst model Price $2995 plus $200 postage handling Advailable Bob Morse 3352 Prune Ridge Ave Santa Clara CA 95051 Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Pylon Racing/Hager Continued page 40 course air racing Unusual unconventional features model must substantiated documentary proof full-sized aircraft ie photographs three-view drawings Motors Motors must reciprocating piston type maximum total swept volume 66 cm3 40 cu Shut-off engine shall equipped positive radio-controlled engine shutoff pilot must able shut off engine radio 0405 1011 1519 2025 3035 4045 40451 5050 6070 195 225 235 245 265 275 300 325 325 OEM BULK INQUIRES INVITED Featuring LONG GLASS FILLED NYLON FOR STRENGTH AND STABILITY Alignment Lines Mounting Interchangeable Kraft Flat bottom nose gear SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDOLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0744 control ground air within five seconds command irrespective alrcraft attitude competitor will disqualified heat unable land model promptly instruction starter Silencer motors shall fitted silencer Within its length shall ex pansion chamber less 3Omm1-3/16in diameter 100mm 3-29/32-in length hav ing single orifice maximum diameter 10mm 13/32-in Propeller Only fixed-pitch two-blade design propellers either wood composite resin/ continuous-fibre construction may used jection-moulded propellers acceptable Propeller spinner scale-like rounded-nose spinner shall used models proto type aircraft used no spinner rounded-nose spinner least 25cm 1-in diameter shall used Cross-section fuselage shall have mini mum height 175mm 6-13/16-in minimum width 85mm 3-5/16-in Both minimum dimensions must occur same cross-section location fuselage point will have minimum cross-sectional area 100cm2 155 sq excluding fillets contestants will re4uired provide templates prove Fillets considered parts fuselage lifting surfaces Cowls motor motors must enclosed exception silencer cylinder head controls must manipulated during operation motor cylinder head purpose defined top outer 1cm 25/64-in motor excluding ignition plug compression screw Landing gear landing gear shall resemble prototype machine location airframe number wheels used minimum diameter main wheels shall 57mm 2-in minimum width shall 12mm 31/64-in least eter Continued page 108 April 1981 105 NEW GLASS FILLED MOTOR MOUNTS FIBERGLASS COWLS ONE PIECE REASONABLE PRICES -MANY MODELS Fiberglas cloth resin farm durable fuel proof products duplicate original size detail Sturdy yet flexible constructionwith reinforced stress points resists cracking has little affect models cg products easy paint require assembly SIGJEMCO4 FLiTEGUARTER SCALE 00401550PTiS500POS Akeob650I-3 Cm1005 100014550P01 ISO 0S050P40 W4u141000Stimo VoyaoJJ 1200 541550ASM3 Z000PSifl1000Fl. SHbIC 1000 4 00ATS N0lfl Aoion 00FSO Cfi1000Ana COmpN 1500 Ca 150805P570 J51200FSPS S..l1000W M.lleoaN 1800 1l7 Spn000FSF 011001000FSl Mm5N 2000 SwbS800FSO C,fi1200PICA4 45 EM Cl CottooptIN Noen S,00 5441000FW 100 051000 80., 00011000WHEELPANTOWo 31000UNIVERSAL RADIALCOWLS Soon FIS ItO1200r IpsoooCa 152120055 Sf0150500 Sic Kooslior55010 09 10011900lP0Il12000 W S FSOl200 12 13 Soil loonl000T25 B Tm 500IT ao21100 STAFFORD 824 4.. 120000100 FLIGHT PooptOsid CoUqiol555 Send Check Money Order No COD accepted New York residents add 7% sales tax Please add $150 shipping US $200 outside US S 9 I9 ApLihr ~sdm 7&sdeea / A $79 95* Four Folding Legs Wing & Fuselage Holders Add $400 Shipping Calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 tailskid may used lieu tail wheel positive means steering ground shall provided rudder control acceptable Retractable undercarriage may used incorporated prototype cockpit canopy cabin shall resemble prototype machine capable enclosing pilots head measuring 5cm 131/32-in chin top head cockpit need transparent pilot need fitted Area surfaces Total projected area lifting surfaces wing horizontal tail com bined shall minimum 34 sq decimeters 527 sq biplane smaller two wings shall have least % area ofthe larger wing No delta flying-wing-type aircraft allowed Wingspan Minimum wingspan shall 1150mm 441i-in monoplane 750mm 29ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION NGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Dealer inquiries invited largest wing biplane Wing thickness Wing thickness root shall least 22mm Ys-in monoplane 18mm 45/64-in biplane biplane different-size wings smaller wing must least 13mm 33/64-in thick root Wing thickness may decrease straight-line taper root tip viewed leading trailing edge Note Root shall defined innermost wing section counting fillets may measured removing wing fuselage completely exposed wing such parasol monoplane top wings biplanes root section wing intersected projection outline fuselage seen top view ie root section would 50mm centerline exposed wing model 100mm-wide fuselage Weight Weight less fuel including equipment necessary flight shall least 2200 grams 485 lbs 3000 grams 660 lbs ballast used must permanently safely affixed Fuel Fuel standard formula glow plug spark ignition motors will supplied ganizers Its composition shall 80% thanol 20% lubricant Scoring flight flight model shall timed stopwatch Timing shall commenced starting signal given individual competitor Lap Scorers stop watches after 10 laps have com pleted concerned infringements flier has made Pylon Sideline Judges after heat has finished notit Race Starter models have made infringements infringement made one-tenth fliers time 10 laps added give corrected time two infringements made pilots flight cancelled Points shall awarded after race follows contestants corrected time se conds deducted 200 No points will awarded model fails complete 10 laps flight cancelled Well rebirth FAI Pylon Racing Its up us will later note allowing continuousfiber props Control Line fliers have using years very safe prop could last whole seasonor two Invitation International Pylon Race received following letter Pylon racing has adherents Czechoslovakia Apart couple less important races Grand Prix MODELA taking place Melnik about 30km off Prague confluence rivers Vltava Elbe Its fourth run will take place June 5 7 1981 first time included FAI calendar international contest F3D category sponsor contest MODELA manufacturer modelers kits RC equipment MVVS 25cm3 65cm3 Modela CO-2 en gines has also donated prizes crystal cups products its own production Until now contest always parti cipants two categories Club 20 F3D parts have always taken over hundred modelers contest takes two days accommodation arranged cottages nearby camp about 2km away airport Saturday evening party will take place wine pub Melnik castle propositions application forms write secretary contest Zdenek Malina 108 Model Aviation Introducing. Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 *4w 7g~ 9o plus shipping Dealer Inquiries Invited 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 QUICK & EASY C PATTERN S NO MEASURING NEEDED TRACE-CUT-ASSEMBLE Material Lists & Instructions Included Stand-Up Flight Box Designed Hold Fuel Tank Transmitter Starter etc Legs Removable $398 21x12x39 Heavy Duty Stand-Up Engine Test Stand Friction Guide 0 40 High $298 Send ___________________________________ ________________________ SELECT-A-PRODUCTS 0 550 E LINCOLN 0 POMONA CA 91767 MODELA Holeckova 9 150 00 Prague 5 Czechoslovakia Well Im moving again receive issue will living Houston TX Please send tips comments ideas new address Bill Hager 706 Glen Haven Drive Conroe TX 77302 713 273-2086 RC Scale/Wischers Continued page 35 bombing raids Douglas James has considerable success stall-actuated slots powered RC glider audible clicking pop out during stall recovery constant flow Royal Navy jet helicopter traflic over Pelly-Fry home nearby Naval Air Station Yeovilton Fleet Air Arm Museum located Planes air Hawker Hunters Hawker Harriers Eng lish Electric Canberras Next morning revisited museum has expanded house British 002 Concorde prototype two research aircraft used its development Scale props Most us Scale modelers recognize need dress up plane display propeller improve appearance being flown very few purists will insist scale prop must also fly plane have seen successful examples extent being adjustable air frequently asked questions static displays whether model would fly static prop answer depends upon number factors Several scale props carved left-hand early planes modeled after plane auto engine rotate opposite direction Obviously could fly model other scale props properly balanced would fly model However best performance modern glow plug engines scale prop should replaced matches engine perfor mance obvious real reason scale prop cant used absence prop nut isnt fastened shaft securely center hole drilled slightly undersize thread onto engine shaft Carving prop difficult made proper material carves easily prefer basswood two reasons has little grain means knife goes directed rather following strong grain some materials Secondly easily available Most hobby shops stock Midwest Northeastern basswood planks can laminated Continued page 112 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 250 $30@ postage paid ready fly Solar Scamp 12 high performance free flying stick model $400 postage paid ready fly Send check money order Solareraft PO Box 6825 Santa Barbara CA 93111 Dealer inquiries invited April 1981 109 Scale props descriptions Half-blades cardboard shape templates Last 3 4 top have machined metal hub plates Bottom 4 plus 3-blader simulate metal props Fixed-pitch metal props similar wood ones except theyre painted rather varnished
Edition: Model Aviation - 1981/04
Page Numbers: 40, 105, 108, 109
Radio C onE rot Pylon Racing Bill Hager RC PYLON RACING opinion competitive exciting aspect flying RC model airplanesnot com petitors also spectators have disposal best equipment best engine people experienced best fliers dont compete world wide level Just about other aspect model aviation has international world com petitors used such FAI event due lack interest sidelined So Pattern Scale guys have world com petitions Tournaments Champions Las Vegas Control Line fliers compete over world Pylon Racers sit thumbs just racing other watching event die have racing quite now seems though still racing same people racing 10 years ago dont seem getting new people involved Formula speeds havent changed over six years becoming stagnant What need shot arm Something new get back racing world level Formula circles have talking about getting away highprice fuel high cost needing have engines season racing FAI two engines would last whole season FAI fuel 80% Methanol 20% oil An engine will last long time kind fuel have few people have interested getting FAI Pylon Racing started again peoplenamed Bob Brown out Bradford PA has touch other people Pylon Racing good yearshas just returned trip Paris France Bob representing US annual FAI meeting idea come back something would get people started World Championships racing again Most people have talked interested dont want hassle having two different types racers around typical comment could use Formula Ones would some interest Well looks though got way now its up us some new rules Definition Radio Control Pylon Racing Models Aeromodels propulsion energy provided piston-type motor lift obtained aerodynamic forces acting supporting surfaces except control areas must remain fixed flight model must recognizable replica particular aircraft used full-scale closedContinued page 105 40 Model Aviation What gave first clue US Pylon Race scene Sorry cant give details about photosbut theyre Czechoslovakia two models appear samedesign presumethatthe light-colored middle photo isthesame shown lower photo Theres no question about dark-bodied sure look fast Bill reports fresh interest FAI Pylon Racingand new rules MINNEAPOLIS HAS SOMETHING NEW IN THE AIR Its Cox Hobbies Weve moved up better facilities give better service think servicing product important its performance AND WELL BACK UP OUR WORDS WITH ACTION PT ACTION will repair radios engines 7 days will ship replacement parts within 10 days Contact Marl Run mark prices availability information 612-835-3000 write Customer Service 4400 West 78th Street Minneapolis Minnesota 55435 Cox division ol Leisure Dynamics Inc Hobbies eapolis Minnesola 55435 See well help fun take off landing gear details theres much clear space anywhere can imagine amount detail included landing gear example rugged functional unit suitable Giant Scale designs Some machine work required build gear nothing very difficult about Another well-detailed feature flap system early design stages Phil figured since real airplane needed flaps model would also Looking projected flying weight over 30 pounds direct servo operation flaps didnt seem too practical pneumatic hydraulic system incorporated littie thought study information plans will allow duplicate Phils very successful installation nice feature plans suggestedjig building fuselage Another indication size bird fact jig made length 2 8 lumber -in ply wood bulkhead supports Phils original built jig think its good invest ment buy eight-foot spruce 2 8 later can cut up building material have seen Phils plane fly can vouch its airworthiness Sad say also witnessed its last flight Phil just completed rolling pass length field Hill Country lost control plane spun several weeks before cause traced cracked crystal transmitter can certainly recommend plans please afirst model Price $2995 plus $200 postage handling Advailable Bob Morse 3352 Prune Ridge Ave Santa Clara CA 95051 Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Pylon Racing/Hager Continued page 40 course air racing Unusual unconventional features model must substantiated documentary proof full-sized aircraft ie photographs three-view drawings Motors Motors must reciprocating piston type maximum total swept volume 66 cm3 40 cu Shut-off engine shall equipped positive radio-controlled engine shutoff pilot must able shut off engine radio 0405 1011 1519 2025 3035 4045 40451 5050 6070 195 225 235 245 265 275 300 325 325 OEM BULK INQUIRES INVITED Featuring LONG GLASS FILLED NYLON FOR STRENGTH AND STABILITY Alignment Lines Mounting Interchangeable Kraft Flat bottom nose gear SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDOLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0744 control ground air within five seconds command irrespective alrcraft attitude competitor will disqualified heat unable land model promptly instruction starter Silencer motors shall fitted silencer Within its length shall ex pansion chamber less 3Omm1-3/16in diameter 100mm 3-29/32-in length hav ing single orifice maximum diameter 10mm 13/32-in Propeller Only fixed-pitch two-blade design propellers either wood composite resin/ continuous-fibre construction may used jection-moulded propellers acceptable Propeller spinner scale-like rounded-nose spinner shall used models proto type aircraft used no spinner rounded-nose spinner least 25cm 1-in diameter shall used Cross-section fuselage shall have mini mum height 175mm 6-13/16-in minimum width 85mm 3-5/16-in Both minimum dimensions must occur same cross-section location fuselage point will have minimum cross-sectional area 100cm2 155 sq excluding fillets contestants will re4uired provide templates prove Fillets considered parts fuselage lifting surfaces Cowls motor motors must enclosed exception silencer cylinder head controls must manipulated during operation motor cylinder head purpose defined top outer 1cm 25/64-in motor excluding ignition plug compression screw Landing gear landing gear shall resemble prototype machine location airframe number wheels used minimum diameter main wheels shall 57mm 2-in minimum width shall 12mm 31/64-in least eter Continued page 108 April 1981 105 NEW GLASS FILLED MOTOR MOUNTS FIBERGLASS COWLS ONE PIECE REASONABLE PRICES -MANY MODELS Fiberglas cloth resin farm durable fuel proof products duplicate original size detail Sturdy yet flexible constructionwith reinforced stress points resists cracking has little affect models cg products easy paint require assembly SIGJEMCO4 FLiTEGUARTER SCALE 00401550PTiS500POS Akeob650I-3 Cm1005 100014550P01 ISO 0S050P40 W4u141000Stimo VoyaoJJ 1200 541550ASM3 Z000PSifl1000Fl. SHbIC 1000 4 00ATS N0lfl Aoion 00FSO Cfi1000Ana COmpN 1500 Ca 150805P570 J51200FSPS S..l1000W M.lleoaN 1800 1l7 Spn000FSF 011001000FSl Mm5N 2000 SwbS800FSO C,fi1200PICA4 45 EM Cl CottooptIN Noen S,00 5441000FW 100 051000 80., 00011000WHEELPANTOWo 31000UNIVERSAL RADIALCOWLS Soon FIS ItO1200r IpsoooCa 152120055 Sf0150500 Sic Kooslior55010 09 10011900lP0Il12000 W S FSOl200 12 13 Soil loonl000T25 B Tm 500IT ao21100 STAFFORD 824 4.. 120000100 FLIGHT PooptOsid CoUqiol555 Send Check Money Order No COD accepted New York residents add 7% sales tax Please add $150 shipping US $200 outside US S 9 I9 ApLihr ~sdm 7&sdeea / A $79 95* Four Folding Legs Wing & Fuselage Holders Add $400 Shipping Calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 tailskid may used lieu tail wheel positive means steering ground shall provided rudder control acceptable Retractable undercarriage may used incorporated prototype cockpit canopy cabin shall resemble prototype machine capable enclosing pilots head measuring 5cm 131/32-in chin top head cockpit need transparent pilot need fitted Area surfaces Total projected area lifting surfaces wing horizontal tail com bined shall minimum 34 sq decimeters 527 sq biplane smaller two wings shall have least % area ofthe larger wing No delta flying-wing-type aircraft allowed Wingspan Minimum wingspan shall 1150mm 441i-in monoplane 750mm 29ANNOUNCING THE INTRODUCTION OF THE ALL NEW NELSON COMPETITION NGINE STANDARD AND R/C AVAILABLE JUNE 1 1981 complete formation send large stamped self-addressed envelope Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 Dealer inquiries invited largest wing biplane Wing thickness Wing thickness root shall least 22mm Ys-in monoplane 18mm 45/64-in biplane biplane different-size wings smaller wing must least 13mm 33/64-in thick root Wing thickness may decrease straight-line taper root tip viewed leading trailing edge Note Root shall defined innermost wing section counting fillets may measured removing wing fuselage completely exposed wing such parasol monoplane top wings biplanes root section wing intersected projection outline fuselage seen top view ie root section would 50mm centerline exposed wing model 100mm-wide fuselage Weight Weight less fuel including equipment necessary flight shall least 2200 grams 485 lbs 3000 grams 660 lbs ballast used must permanently safely affixed Fuel Fuel standard formula glow plug spark ignition motors will supplied ganizers Its composition shall 80% thanol 20% lubricant Scoring flight flight model shall timed stopwatch Timing shall commenced starting signal given individual competitor Lap Scorers stop watches after 10 laps have com pleted concerned infringements flier has made Pylon Sideline Judges after heat has finished notit Race Starter models have made infringements infringement made one-tenth fliers time 10 laps added give corrected time two infringements made pilots flight cancelled Points shall awarded after race follows contestants corrected time se conds deducted 200 No points will awarded model fails complete 10 laps flight cancelled Well rebirth FAI Pylon Racing Its up us will later note allowing continuousfiber props Control Line fliers have using years very safe prop could last whole seasonor two Invitation International Pylon Race received following letter Pylon racing has adherents Czechoslovakia Apart couple less important races Grand Prix MODELA taking place Melnik about 30km off Prague confluence rivers Vltava Elbe Its fourth run will take place June 5 7 1981 first time included FAI calendar international contest F3D category sponsor contest MODELA manufacturer modelers kits RC equipment MVVS 25cm3 65cm3 Modela CO-2 en gines has also donated prizes crystal cups products its own production Until now contest always parti cipants two categories Club 20 F3D parts have always taken over hundred modelers contest takes two days accommodation arranged cottages nearby camp about 2km away airport Saturday evening party will take place wine pub Melnik castle propositions application forms write secretary contest Zdenek Malina 108 Model Aviation Introducing. Walt Schoonards Fabulous Pitch Guage . RIC Helicopters Precise Static Pitch Setting Symetrical Semi-Symetrical Flat Bottom Right Left Rotation Inverted Set-up Unique Blade Attachment Insures Precise Alignment Available from$1995 *4w 7g~ 9o plus shipping Dealer Inquiries Invited 2594 North Orange Blossom Trail ndo Florida 32804 305-422-1531 305-647-1335 QUICK & EASY C PATTERN S NO MEASURING NEEDED TRACE-CUT-ASSEMBLE Material Lists & Instructions Included Stand-Up Flight Box Designed Hold Fuel Tank Transmitter Starter etc Legs Removable $398 21x12x39 Heavy Duty Stand-Up Engine Test Stand Friction Guide 0 40 High $298 Send ___________________________________ ________________________ SELECT-A-PRODUCTS 0 550 E LINCOLN 0 POMONA CA 91767 MODELA Holeckova 9 150 00 Prague 5 Czechoslovakia Well Im moving again receive issue will living Houston TX Please send tips comments ideas new address Bill Hager 706 Glen Haven Drive Conroe TX 77302 713 273-2086 RC Scale/Wischers Continued page 35 bombing raids Douglas James has considerable success stall-actuated slots powered RC glider audible clicking pop out during stall recovery constant flow Royal Navy jet helicopter traflic over Pelly-Fry home nearby Naval Air Station Yeovilton Fleet Air Arm Museum located Planes air Hawker Hunters Hawker Harriers Eng lish Electric Canberras Next morning revisited museum has expanded house British 002 Concorde prototype two research aircraft used its development Scale props Most us Scale modelers recognize need dress up plane display propeller improve appearance being flown very few purists will insist scale prop must also fly plane have seen successful examples extent being adjustable air frequently asked questions static displays whether model would fly static prop answer depends upon number factors Several scale props carved left-hand early planes modeled after plane auto engine rotate opposite direction Obviously could fly model other scale props properly balanced would fly model However best performance modern glow plug engines scale prop should replaced matches engine perfor mance obvious real reason scale prop cant used absence prop nut isnt fastened shaft securely center hole drilled slightly undersize thread onto engine shaft Carving prop difficult made proper material carves easily prefer basswood two reasons has little grain means knife goes directed rather following strong grain some materials Secondly easily available Most hobby shops stock Midwest Northeastern basswood planks can laminated Continued page 112 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 250 $30@ postage paid ready fly Solar Scamp 12 high performance free flying stick model $400 postage paid ready fly Send check money order Solareraft PO Box 6825 Santa Barbara CA 93111 Dealer inquiries invited April 1981 109 Scale props descriptions Half-blades cardboard shape templates Last 3 4 top have machined metal hub plates Bottom 4 plus 3-blader simulate metal props Fixed-pitch metal props similar wood ones except theyre painted rather varnished
