Radio Control Soaring Dan Pruss BELGIUM country chosen FAI/CIAM Bureau Meeting late March host R/C Sailplane World Championships July 1979 As may have known site selection either USA Belgium Among reasons given selecting latter economics South Africa hosting pattern championship also 1979 send teams European countries both USA South Africa could impose financial burden lot aero clubs So have ship can eke out six minutes tow 150 meters fly about eight 150-meter laps out possible 12 plus turn same course 15 seconds two laps youll have good chance earn berth US team See page 76 June issue FAI contest calender April issue lists basic rules changes pages 78 79 have questions concerning FAI program consult Ray Marvin 2781 S Garfield Denver CO 80210 ToledoWhat show city has July1978 23 second-place winner Toledo Charles Kellys Spartan flaps expendable wing tips addition rudder elevator spoilers Plug-in tips allow experimentation Hoerner tips end plates winglets etc 50-oz ship has wing span 109 Continued page 86 Al Nageles third-place winner featured terraces top surface its modified Cirrus wing Look closely root Purpose increase wing efficiency low speeds high angles attack Appearance louver-like Wing span 123 in. weight 42 oz Remember Windlord time Ken Bates won first fourth Manx flying wing Span 144 in. aspect ratio 16 1 Can flown wing tips plugged removed wing loading 8 11 os respectively operation its Vee tail Nagele machined own servo mixer permitted in-line servo arrangement provided graceful fuselage shape overall clean lines causes cracks full-scale practice internal canopy frame usually steel tubing Brass aluminum tube can used model assembled silver solder epoxy canopy can fastened frame 1/32 thick foam tape such Fasson Fas Mount has adhesive both sides very rigid wood frame can made using white glue laminate two layers 5-ply 1/16 plywood cut shape Bob aid Dolly Wischer Rt 1 S-22J Lapham Peak Road Delafield WI 53018 RC Aerobatics/Van Putte continued page 22 duced original Phoenix S kits Jims basement Dave also carved Phoenix 6 plug molds commercial fiberglass fuselages cast Don told Phoenix 8 will available epoxy-glass fuselage foam wing stabilizer cores plans competitive price tag us have built admired Phoenix airplanes over years looking forward new airplane displayed first time Toledo Exposition April line forms right behind As get closer first pattern contests using new FAI maneuvers competi tion Master class ques tions pop up about some ma neuvers think Figure M -Rolls best maneuvers come along years However discovered various interpre tations about should performed After number telephone calls other discussions consensus has emerged about should done both stall turns should performed yawing airplane upwind example maneuver initiated pullup roll right first stall turn would require yaw right second roll right -outside loop third /4-roll right would precede left course initial -roll left would require yaw left right respectively two stall turns Im sure other maneuvers new FAI lists will greeted similar differences interpretation Doesnt seem new program rushed upon us very short warning little confusion years slow roll maneuver used fascinate terrify same time first performed very high altitude scared death Now very comfortable generally earns high scores Advanced class three secrets doing good slow roll Id like share first secret involves use either slow roll button dual rate ailerons roll button does nothing deflect ailerons small amount aileron deflection properly adjusted airplane will perform roll five seconds using dual rate ailerons low rate should adjusted give fivesecond roll stick held way side second secret learn coordi nation rudder elevator Since slow roll right start bleeding left rudder airplane has rolled about 450 start taking out about 1350 also down elevator eased down elevator comes out about 2250 right rudder comes right rudder removed 3150 450 before completion roll airplane stops rolling just soon let go stick important secret should come no surpriseyou must practice did lot dry flying using nothing transmitter imagination before daring try first real slow roll difficult things learn use proper rudder direction time flying friends heard mutter Left rudder first dummy people really admire ones use neither roll button nor dual rate ailerons Perhaps Ill never good time didnt think Id ever able slow roll either Ron Van Puue 12 Connie Drive Shah mar Florida 32579 RC Soaring/Pruss continued page 23 become synonymous RC staged 24th annuallets get together compare equipmentconference Whats new sailplanes included Lee Renaud Cox Hobbies Aquila-Grande enlarged version confused X-L version couple years ago Aquilabut wing span tail feathers new version has wingspread 1213 area 1000 sq aspect ratio 1471 empty weight 56-58 oz first glance prototype bas general appearances standard Aquila fine print reveals new airfoil sports Phillips entry beefed-up wing attaches fuselage means 5/16 steel rod should withstand winch/foot-switch tech niques can applied fuselage epoxy/glass available separately Cox Hobbies Customer Service 1525 F Warner Ave Santa Ana CA 92702 Price $4000 plus postage Tom Williams Craft Air showed new Vikinga ship around two wings have designed Both wings have spans three meters 118 areas 1200 sq Mark version has II % flat-bottom airfoil Mark II 12% thickness somewhat semi-symmetrical Controls include spoil ers Wings attached fuselage means two -in steel rods Empty weights 54 oz Mark 56 oz Mark II further informa tion write Craft Air 7851 Alabama Ave Canoga Park CA 91304 Carrera displayed line models mentioned column April sue Three days beating ASW-17 fuselage concrete floor sports arena proved fuselagestypical lineare virtually indestructible models available through Carrera USA PO Box 566 Westmont IL 60559 86 Model Aviation HRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1/72 SCALE PLASTIC MODEL KIT During 1924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 175 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 r Prom YOU dealer direct adding 15% postage handling Send 50 complete illustrated catalogDEPT MAILLIAMS 181 PAWNEE ST SAN MARCOS CA 92069 Ed Slobod Pierce Arrow Company Paragon fame showed Ridge Rat Ridge Rat designed slope flying Eds claims its plane wont cut modeling budget building time money-wise Designed assembled few ings RR features one-piece wing full-span ailerons Elevator control planes other control function 49-in wing straps bottom fuselage All-up weight 32 oz Ed also has two meter 670-sq 24oz bird drawing board Write Pierce Arrow Co 9626 Jellico Ave Northridge CA 91324 Weak Signals club Toledo has hosted annual Expo over generation recognizes various cat egories models providing display areas giving awards category Best Finish Best Monokote Best Show Feel fortunate didnt have judge sailplane event over dozen models class display over half considered show stoppers Third place went Al Nagele Wil mette IL LNG 3100 planes 123-in wing modified Graup ner Cirrus featured terraces top surface wing three slot-like breaks top surface louvre-like appearance designed increase wing efficiency slower speeds high angles attack V-tail operated through servo-mounted mixer Nagele machined inline servo ar rangement provided graceful fuselage shape overall clean lines ship weighed 42 oz Second place went Charles Kelly Rochester NY Spartan General appearances made think Paul Weig lands Aquila 1000 described col umn back February Good reason Kelly Weigland buddies combined talents produce beautiful models year Kellys Spartan featured rudder elevator spoilers also flaps expendable wing tips tips plug-in types allow Kelly exper iment Hoerner tips end plates winglets etc Spartan weighs 50 oz has span 109 across tips has area 1050 sq Ken Bates Ypsilanti Ml topped last years effort first place fourth Best Monokote same plane Manx further evolu tion flying wing designs includes Windlord published March issue Manx somewhat unique three-piece model center wing section integral part very short fuselage Half span turning spoilers tips center sec tion wing can flown con figuration plug-in tips include r race j ou need obbypoxy HOBBYPOXY fuel proof high-nitro fuels HOBBYPOXY tough itll withstand abuse fast pit stops hard landings HOBBYPOXY super smooth adds miles-per-hour HOBBYPOXY easy use easy repair S dont forget Hobbypoxy glues strongest best construction Send free color card copy Hobbypoxy Painting Pointers booklet Division Pettit Paint Co Inc IIUnUAT PRODUCTS 36 Pine Street Rockaway NJ 07888 made after birds fly LSF NSS shared booth show booth always focal point people havent seen other since last year show does draw modelers coast coast joint meeting held LSF NSS Stan Pfost president NSS nounced plans another excellence awards program However year program will include recognition four classes sailplanes includes two-meter class Pfost pointed out clubs hosting contests need provide awards classes final standings years end will recognize top three class awards other halves spoilers 161 aspect ratio gives bird elegant set lines span 144 area 1295 sq wing load ing eight ounces per sq ft Take off tips wing loading becomes II ounces Airfoil 12% NACA 203 12-75 Youll hear about year sailplanes consid ered category mentioned because two unusual scale entries ap peared scratch-built Schweizer TG-3A two-place World War II trainer Mark Weber other Waco CG-4A Mike McIntyre Both models considered Stand-Off Scale category follow-up report will July1978 87 AU IlL BOX 511E HIGGINSVILLE MISSOURI 64037 As mentioned last month 1978 LSF Regional Tournament will first half two year program list sites date Kent Washington Hurst Texas Denver Colorado Detroit Mich igan Reading Pennsylvania Ottawa Ontario Canada San Bernardino Cal ifornia Santa Clara California Milwau kee Wisconsin Huntsville Alabama Winter Park Florida big news second half schedule 1979 will LSF Cham pionship Contest held late summer Lewis University site past SOAR Nationals Entry eligibility will based 1978 tournament performance follows Eitherlst 2nd places Standard Class 1st 2nd places Unlimited Class 1st Sport Scale 1st Junior 1978 Regional Tournament top 20% class 1978 Re gional Tournament Whichever greater League Silent Flight president Gor don Pearson said details will mailed LSF members time pre register between June 15th July 15th LSF also announced has made available its membership summer winter weight jackets jackets dark blue LSF blue down sleeve An LSF logo smartly trims front jacket back has left plain worn way further trimmed clubs insignia Light blue T-shirts available LSF logo front back League also has made available two sizes glasses logo etched membership order forms write League Silent Flight PO Box 39068 Chicago IL 60638 information membership NSS write Dave Cook Star Route Granby CO 80446 Dan Pruss Route 2 Box 490 Plainfield IL 60544 RC Pylon/Lane continued page 24 Flite Line Models Toadby Wolif-Pak Models Sb-Pokeby HLP Models Four Bitsby Models West Quickest 500by Bridi Hobby Enterprises Quicker 500 Haflast 500by Big State scratch built version above listed kits allowed Any manufacturer may introduce version planes must strictly meet design parameters planforms now allowed kits No devia tion will permitted grounds disqualify craft question SPECIFICATIONS Wing Span 50 mm constant chord no sweep Thickness 12 mm no tapers Area 500 sq mm Aile rons strip barndoor types allowed Fuselage May enlarged height width reduced sizes shown allowed kits planforms V4 maximum edge radium corners Can opy optional Tail Assembly No major changes plan shape reduction area Stab thickness must 3/16th mm midspan Landing Gear Dural gear 5/32 wire locations shown plans No re tracts no wheel pants 2 diameter mm wheels type Weight 3 pounds mm Will checked prior race Engines Any stock non-modified non-ABC / non-Schnuerle front-intake RC engine up 401 cu displacement Spinner size AMA safety nut re quired No cowlings allowed No pressure fuel systems allowed Muffler pressure permitted Mufflers optional no tuned pipes kind shape form Claiming fee $500 engine protests Propellers Stunt-type wood prop size No toothpick racing props allowed May sanded blade balance Fuel Furnished host club up 15% content nitro ourse standard AMA Quarter Midget Course shall used requests heat matrix fre quency separation Jack Fabbri Eau Galle Florida numerous have decided run matrix Au gust article view month Wild Turkey raced Reno 1977 Go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 Dayton Kitty Hawk continued page 27 describes Bill recalls having throttle back model engine because pilots car couldnt go fast enough highways notes several lightplanes fly well between 70 80 mph speed seems comfortable FAI model brings up point challenge such flight within rea sonable weight limitthe FAI maximum 5 kg about 11 lbs good ceiling using limit engines no larger 61 cubic inchessuch flights eligible official world records Also technology previous record flights published magazines through years freely available Such weight limit typically allows 90 ounces fuel carried aboard model has shown times engines smaller 60s can used improved fuel economy some figures some record breaking models give idea what has successful Richard Weber Distance miles Duration urs 19 mm Total Surface Area sq Fuel lbs Engine iesel Bill Bertrand Distance 227 miles Duration urs 23 mm Total Surface Area 2 sq Fuel lbs Engine 0 Maynard Hill Distance miles Duration urs 26 mm Total Surface Area sq Fuel lbs Engine o 61 So far good go AMA leaders seeking some sponsorship money provide incentive would-be distance fliers hope provide awards longest non-stop flight way fewest landings anyone goes whole distance shortest total time whole distance regardless landings logical starting point Wright 88 Model Aviation Since weve buiness 24 years can sure stay offer service customers years come youre interested what have offer send Si complete catalog Add 550 1st Class mail return II writing advert., mention reed about MA
Edition: Model Aviation - 1978/07
Page Numbers: 23, 86, 87, 88
Radio Control Soaring Dan Pruss BELGIUM country chosen FAI/CIAM Bureau Meeting late March host R/C Sailplane World Championships July 1979 As may have known site selection either USA Belgium Among reasons given selecting latter economics South Africa hosting pattern championship also 1979 send teams European countries both USA South Africa could impose financial burden lot aero clubs So have ship can eke out six minutes tow 150 meters fly about eight 150-meter laps out possible 12 plus turn same course 15 seconds two laps youll have good chance earn berth US team See page 76 June issue FAI contest calender April issue lists basic rules changes pages 78 79 have questions concerning FAI program consult Ray Marvin 2781 S Garfield Denver CO 80210 ToledoWhat show city has July1978 23 second-place winner Toledo Charles Kellys Spartan flaps expendable wing tips addition rudder elevator spoilers Plug-in tips allow experimentation Hoerner tips end plates winglets etc 50-oz ship has wing span 109 Continued page 86 Al Nageles third-place winner featured terraces top surface its modified Cirrus wing Look closely root Purpose increase wing efficiency low speeds high angles attack Appearance louver-like Wing span 123 in. weight 42 oz Remember Windlord time Ken Bates won first fourth Manx flying wing Span 144 in. aspect ratio 16 1 Can flown wing tips plugged removed wing loading 8 11 os respectively operation its Vee tail Nagele machined own servo mixer permitted in-line servo arrangement provided graceful fuselage shape overall clean lines causes cracks full-scale practice internal canopy frame usually steel tubing Brass aluminum tube can used model assembled silver solder epoxy canopy can fastened frame 1/32 thick foam tape such Fasson Fas Mount has adhesive both sides very rigid wood frame can made using white glue laminate two layers 5-ply 1/16 plywood cut shape Bob aid Dolly Wischer Rt 1 S-22J Lapham Peak Road Delafield WI 53018 RC Aerobatics/Van Putte continued page 22 duced original Phoenix S kits Jims basement Dave also carved Phoenix 6 plug molds commercial fiberglass fuselages cast Don told Phoenix 8 will available epoxy-glass fuselage foam wing stabilizer cores plans competitive price tag us have built admired Phoenix airplanes over years looking forward new airplane displayed first time Toledo Exposition April line forms right behind As get closer first pattern contests using new FAI maneuvers competi tion Master class ques tions pop up about some ma neuvers think Figure M -Rolls best maneuvers come along years However discovered various interpre tations about should performed After number telephone calls other discussions consensus has emerged about should done both stall turns should performed yawing airplane upwind example maneuver initiated pullup roll right first stall turn would require yaw right second roll right -outside loop third /4-roll right would precede left course initial -roll left would require yaw left right respectively two stall turns Im sure other maneuvers new FAI lists will greeted similar differences interpretation Doesnt seem new program rushed upon us very short warning little confusion years slow roll maneuver used fascinate terrify same time first performed very high altitude scared death Now very comfortable generally earns high scores Advanced class three secrets doing good slow roll Id like share first secret involves use either slow roll button dual rate ailerons roll button does nothing deflect ailerons small amount aileron deflection properly adjusted airplane will perform roll five seconds using dual rate ailerons low rate should adjusted give fivesecond roll stick held way side second secret learn coordi nation rudder elevator Since slow roll right start bleeding left rudder airplane has rolled about 450 start taking out about 1350 also down elevator eased down elevator comes out about 2250 right rudder comes right rudder removed 3150 450 before completion roll airplane stops rolling just soon let go stick important secret should come no surpriseyou must practice did lot dry flying using nothing transmitter imagination before daring try first real slow roll difficult things learn use proper rudder direction time flying friends heard mutter Left rudder first dummy people really admire ones use neither roll button nor dual rate ailerons Perhaps Ill never good time didnt think Id ever able slow roll either Ron Van Puue 12 Connie Drive Shah mar Florida 32579 RC Soaring/Pruss continued page 23 become synonymous RC staged 24th annuallets get together compare equipmentconference Whats new sailplanes included Lee Renaud Cox Hobbies Aquila-Grande enlarged version confused X-L version couple years ago Aquilabut wing span tail feathers new version has wingspread 1213 area 1000 sq aspect ratio 1471 empty weight 56-58 oz first glance prototype bas general appearances standard Aquila fine print reveals new airfoil sports Phillips entry beefed-up wing attaches fuselage means 5/16 steel rod should withstand winch/foot-switch tech niques can applied fuselage epoxy/glass available separately Cox Hobbies Customer Service 1525 F Warner Ave Santa Ana CA 92702 Price $4000 plus postage Tom Williams Craft Air showed new Vikinga ship around two wings have designed Both wings have spans three meters 118 areas 1200 sq Mark version has II % flat-bottom airfoil Mark II 12% thickness somewhat semi-symmetrical Controls include spoil ers Wings attached fuselage means two -in steel rods Empty weights 54 oz Mark 56 oz Mark II further informa tion write Craft Air 7851 Alabama Ave Canoga Park CA 91304 Carrera displayed line models mentioned column April sue Three days beating ASW-17 fuselage concrete floor sports arena proved fuselagestypical lineare virtually indestructible models available through Carrera USA PO Box 566 Westmont IL 60559 86 Model Aviation HRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1/72 SCALE PLASTIC MODEL KIT During 1924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 175 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 r Prom YOU dealer direct adding 15% postage handling Send 50 complete illustrated catalogDEPT MAILLIAMS 181 PAWNEE ST SAN MARCOS CA 92069 Ed Slobod Pierce Arrow Company Paragon fame showed Ridge Rat Ridge Rat designed slope flying Eds claims its plane wont cut modeling budget building time money-wise Designed assembled few ings RR features one-piece wing full-span ailerons Elevator control planes other control function 49-in wing straps bottom fuselage All-up weight 32 oz Ed also has two meter 670-sq 24oz bird drawing board Write Pierce Arrow Co 9626 Jellico Ave Northridge CA 91324 Weak Signals club Toledo has hosted annual Expo over generation recognizes various cat egories models providing display areas giving awards category Best Finish Best Monokote Best Show Feel fortunate didnt have judge sailplane event over dozen models class display over half considered show stoppers Third place went Al Nagele Wil mette IL LNG 3100 planes 123-in wing modified Graup ner Cirrus featured terraces top surface wing three slot-like breaks top surface louvre-like appearance designed increase wing efficiency slower speeds high angles attack V-tail operated through servo-mounted mixer Nagele machined inline servo ar rangement provided graceful fuselage shape overall clean lines ship weighed 42 oz Second place went Charles Kelly Rochester NY Spartan General appearances made think Paul Weig lands Aquila 1000 described col umn back February Good reason Kelly Weigland buddies combined talents produce beautiful models year Kellys Spartan featured rudder elevator spoilers also flaps expendable wing tips tips plug-in types allow Kelly exper iment Hoerner tips end plates winglets etc Spartan weighs 50 oz has span 109 across tips has area 1050 sq Ken Bates Ypsilanti Ml topped last years effort first place fourth Best Monokote same plane Manx further evolu tion flying wing designs includes Windlord published March issue Manx somewhat unique three-piece model center wing section integral part very short fuselage Half span turning spoilers tips center sec tion wing can flown con figuration plug-in tips include r race j ou need obbypoxy HOBBYPOXY fuel proof high-nitro fuels HOBBYPOXY tough itll withstand abuse fast pit stops hard landings HOBBYPOXY super smooth adds miles-per-hour HOBBYPOXY easy use easy repair S dont forget Hobbypoxy glues strongest best construction Send free color card copy Hobbypoxy Painting Pointers booklet Division Pettit Paint Co Inc IIUnUAT PRODUCTS 36 Pine Street Rockaway NJ 07888 made after birds fly LSF NSS shared booth show booth always focal point people havent seen other since last year show does draw modelers coast coast joint meeting held LSF NSS Stan Pfost president NSS nounced plans another excellence awards program However year program will include recognition four classes sailplanes includes two-meter class Pfost pointed out clubs hosting contests need provide awards classes final standings years end will recognize top three class awards other halves spoilers 161 aspect ratio gives bird elegant set lines span 144 area 1295 sq wing load ing eight ounces per sq ft Take off tips wing loading becomes II ounces Airfoil 12% NACA 203 12-75 Youll hear about year sailplanes consid ered category mentioned because two unusual scale entries ap peared scratch-built Schweizer TG-3A two-place World War II trainer Mark Weber other Waco CG-4A Mike McIntyre Both models considered Stand-Off Scale category follow-up report will July1978 87 AU IlL BOX 511E HIGGINSVILLE MISSOURI 64037 As mentioned last month 1978 LSF Regional Tournament will first half two year program list sites date Kent Washington Hurst Texas Denver Colorado Detroit Mich igan Reading Pennsylvania Ottawa Ontario Canada San Bernardino Cal ifornia Santa Clara California Milwau kee Wisconsin Huntsville Alabama Winter Park Florida big news second half schedule 1979 will LSF Cham pionship Contest held late summer Lewis University site past SOAR Nationals Entry eligibility will based 1978 tournament performance follows Eitherlst 2nd places Standard Class 1st 2nd places Unlimited Class 1st Sport Scale 1st Junior 1978 Regional Tournament top 20% class 1978 Re gional Tournament Whichever greater League Silent Flight president Gor don Pearson said details will mailed LSF members time pre register between June 15th July 15th LSF also announced has made available its membership summer winter weight jackets jackets dark blue LSF blue down sleeve An LSF logo smartly trims front jacket back has left plain worn way further trimmed clubs insignia Light blue T-shirts available LSF logo front back League also has made available two sizes glasses logo etched membership order forms write League Silent Flight PO Box 39068 Chicago IL 60638 information membership NSS write Dave Cook Star Route Granby CO 80446 Dan Pruss Route 2 Box 490 Plainfield IL 60544 RC Pylon/Lane continued page 24 Flite Line Models Toadby Wolif-Pak Models Sb-Pokeby HLP Models Four Bitsby Models West Quickest 500by Bridi Hobby Enterprises Quicker 500 Haflast 500by Big State scratch built version above listed kits allowed Any manufacturer may introduce version planes must strictly meet design parameters planforms now allowed kits No devia tion will permitted grounds disqualify craft question SPECIFICATIONS Wing Span 50 mm constant chord no sweep Thickness 12 mm no tapers Area 500 sq mm Aile rons strip barndoor types allowed Fuselage May enlarged height width reduced sizes shown allowed kits planforms V4 maximum edge radium corners Can opy optional Tail Assembly No major changes plan shape reduction area Stab thickness must 3/16th mm midspan Landing Gear Dural gear 5/32 wire locations shown plans No re tracts no wheel pants 2 diameter mm wheels type Weight 3 pounds mm Will checked prior race Engines Any stock non-modified non-ABC / non-Schnuerle front-intake RC engine up 401 cu displacement Spinner size AMA safety nut re quired No cowlings allowed No pressure fuel systems allowed Muffler pressure permitted Mufflers optional no tuned pipes kind shape form Claiming fee $500 engine protests Propellers Stunt-type wood prop size No toothpick racing props allowed May sanded blade balance Fuel Furnished host club up 15% content nitro ourse standard AMA Quarter Midget Course shall used requests heat matrix fre quency separation Jack Fabbri Eau Galle Florida numerous have decided run matrix Au gust article view month Wild Turkey raced Reno 1977 Go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 Dayton Kitty Hawk continued page 27 describes Bill recalls having throttle back model engine because pilots car couldnt go fast enough highways notes several lightplanes fly well between 70 80 mph speed seems comfortable FAI model brings up point challenge such flight within rea sonable weight limitthe FAI maximum 5 kg about 11 lbs good ceiling using limit engines no larger 61 cubic inchessuch flights eligible official world records Also technology previous record flights published magazines through years freely available Such weight limit typically allows 90 ounces fuel carried aboard model has shown times engines smaller 60s can used improved fuel economy some figures some record breaking models give idea what has successful Richard Weber Distance miles Duration urs 19 mm Total Surface Area sq Fuel lbs Engine iesel Bill Bertrand Distance 227 miles Duration urs 23 mm Total Surface Area 2 sq Fuel lbs Engine 0 Maynard Hill Distance miles Duration urs 26 mm Total Surface Area sq Fuel lbs Engine o 61 So far good go AMA leaders seeking some sponsorship money provide incentive would-be distance fliers hope provide awards longest non-stop flight way fewest landings anyone goes whole distance shortest total time whole distance regardless landings logical starting point Wright 88 Model Aviation Since weve buiness 24 years can sure stay offer service customers years come youre interested what have offer send Si complete catalog Add 550 1st Class mail return II writing advert., mention reed about MA
Edition: Model Aviation - 1978/07
Page Numbers: 23, 86, 87, 88
Radio Control Soaring Dan Pruss BELGIUM country chosen FAI/CIAM Bureau Meeting late March host R/C Sailplane World Championships July 1979 As may have known site selection either USA Belgium Among reasons given selecting latter economics South Africa hosting pattern championship also 1979 send teams European countries both USA South Africa could impose financial burden lot aero clubs So have ship can eke out six minutes tow 150 meters fly about eight 150-meter laps out possible 12 plus turn same course 15 seconds two laps youll have good chance earn berth US team See page 76 June issue FAI contest calender April issue lists basic rules changes pages 78 79 have questions concerning FAI program consult Ray Marvin 2781 S Garfield Denver CO 80210 ToledoWhat show city has July1978 23 second-place winner Toledo Charles Kellys Spartan flaps expendable wing tips addition rudder elevator spoilers Plug-in tips allow experimentation Hoerner tips end plates winglets etc 50-oz ship has wing span 109 Continued page 86 Al Nageles third-place winner featured terraces top surface its modified Cirrus wing Look closely root Purpose increase wing efficiency low speeds high angles attack Appearance louver-like Wing span 123 in. weight 42 oz Remember Windlord time Ken Bates won first fourth Manx flying wing Span 144 in. aspect ratio 16 1 Can flown wing tips plugged removed wing loading 8 11 os respectively operation its Vee tail Nagele machined own servo mixer permitted in-line servo arrangement provided graceful fuselage shape overall clean lines causes cracks full-scale practice internal canopy frame usually steel tubing Brass aluminum tube can used model assembled silver solder epoxy canopy can fastened frame 1/32 thick foam tape such Fasson Fas Mount has adhesive both sides very rigid wood frame can made using white glue laminate two layers 5-ply 1/16 plywood cut shape Bob aid Dolly Wischer Rt 1 S-22J Lapham Peak Road Delafield WI 53018 RC Aerobatics/Van Putte continued page 22 duced original Phoenix S kits Jims basement Dave also carved Phoenix 6 plug molds commercial fiberglass fuselages cast Don told Phoenix 8 will available epoxy-glass fuselage foam wing stabilizer cores plans competitive price tag us have built admired Phoenix airplanes over years looking forward new airplane displayed first time Toledo Exposition April line forms right behind As get closer first pattern contests using new FAI maneuvers competi tion Master class ques tions pop up about some ma neuvers think Figure M -Rolls best maneuvers come along years However discovered various interpre tations about should performed After number telephone calls other discussions consensus has emerged about should done both stall turns should performed yawing airplane upwind example maneuver initiated pullup roll right first stall turn would require yaw right second roll right -outside loop third /4-roll right would precede left course initial -roll left would require yaw left right respectively two stall turns Im sure other maneuvers new FAI lists will greeted similar differences interpretation Doesnt seem new program rushed upon us very short warning little confusion years slow roll maneuver used fascinate terrify same time first performed very high altitude scared death Now very comfortable generally earns high scores Advanced class three secrets doing good slow roll Id like share first secret involves use either slow roll button dual rate ailerons roll button does nothing deflect ailerons small amount aileron deflection properly adjusted airplane will perform roll five seconds using dual rate ailerons low rate should adjusted give fivesecond roll stick held way side second secret learn coordi nation rudder elevator Since slow roll right start bleeding left rudder airplane has rolled about 450 start taking out about 1350 also down elevator eased down elevator comes out about 2250 right rudder comes right rudder removed 3150 450 before completion roll airplane stops rolling just soon let go stick important secret should come no surpriseyou must practice did lot dry flying using nothing transmitter imagination before daring try first real slow roll difficult things learn use proper rudder direction time flying friends heard mutter Left rudder first dummy people really admire ones use neither roll button nor dual rate ailerons Perhaps Ill never good time didnt think Id ever able slow roll either Ron Van Puue 12 Connie Drive Shah mar Florida 32579 RC Soaring/Pruss continued page 23 become synonymous RC staged 24th annuallets get together compare equipmentconference Whats new sailplanes included Lee Renaud Cox Hobbies Aquila-Grande enlarged version confused X-L version couple years ago Aquilabut wing span tail feathers new version has wingspread 1213 area 1000 sq aspect ratio 1471 empty weight 56-58 oz first glance prototype bas general appearances standard Aquila fine print reveals new airfoil sports Phillips entry beefed-up wing attaches fuselage means 5/16 steel rod should withstand winch/foot-switch tech niques can applied fuselage epoxy/glass available separately Cox Hobbies Customer Service 1525 F Warner Ave Santa Ana CA 92702 Price $4000 plus postage Tom Williams Craft Air showed new Vikinga ship around two wings have designed Both wings have spans three meters 118 areas 1200 sq Mark version has II % flat-bottom airfoil Mark II 12% thickness somewhat semi-symmetrical Controls include spoil ers Wings attached fuselage means two -in steel rods Empty weights 54 oz Mark 56 oz Mark II further informa tion write Craft Air 7851 Alabama Ave Canoga Park CA 91304 Carrera displayed line models mentioned column April sue Three days beating ASW-17 fuselage concrete floor sports arena proved fuselagestypical lineare virtually indestructible models available through Carrera USA PO Box 566 Westmont IL 60559 86 Model Aviation HRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1/72 SCALE PLASTIC MODEL KIT During 1924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 175 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 r Prom YOU dealer direct adding 15% postage handling Send 50 complete illustrated catalogDEPT MAILLIAMS 181 PAWNEE ST SAN MARCOS CA 92069 Ed Slobod Pierce Arrow Company Paragon fame showed Ridge Rat Ridge Rat designed slope flying Eds claims its plane wont cut modeling budget building time money-wise Designed assembled few ings RR features one-piece wing full-span ailerons Elevator control planes other control function 49-in wing straps bottom fuselage All-up weight 32 oz Ed also has two meter 670-sq 24oz bird drawing board Write Pierce Arrow Co 9626 Jellico Ave Northridge CA 91324 Weak Signals club Toledo has hosted annual Expo over generation recognizes various cat egories models providing display areas giving awards category Best Finish Best Monokote Best Show Feel fortunate didnt have judge sailplane event over dozen models class display over half considered show stoppers Third place went Al Nagele Wil mette IL LNG 3100 planes 123-in wing modified Graup ner Cirrus featured terraces top surface wing three slot-like breaks top surface louvre-like appearance designed increase wing efficiency slower speeds high angles attack V-tail operated through servo-mounted mixer Nagele machined inline servo ar rangement provided graceful fuselage shape overall clean lines ship weighed 42 oz Second place went Charles Kelly Rochester NY Spartan General appearances made think Paul Weig lands Aquila 1000 described col umn back February Good reason Kelly Weigland buddies combined talents produce beautiful models year Kellys Spartan featured rudder elevator spoilers also flaps expendable wing tips tips plug-in types allow Kelly exper iment Hoerner tips end plates winglets etc Spartan weighs 50 oz has span 109 across tips has area 1050 sq Ken Bates Ypsilanti Ml topped last years effort first place fourth Best Monokote same plane Manx further evolu tion flying wing designs includes Windlord published March issue Manx somewhat unique three-piece model center wing section integral part very short fuselage Half span turning spoilers tips center sec tion wing can flown con figuration plug-in tips include r race j ou need obbypoxy HOBBYPOXY fuel proof high-nitro fuels HOBBYPOXY tough itll withstand abuse fast pit stops hard landings HOBBYPOXY super smooth adds miles-per-hour HOBBYPOXY easy use easy repair S dont forget Hobbypoxy glues strongest best construction Send free color card copy Hobbypoxy Painting Pointers booklet Division Pettit Paint Co Inc IIUnUAT PRODUCTS 36 Pine Street Rockaway NJ 07888 made after birds fly LSF NSS shared booth show booth always focal point people havent seen other since last year show does draw modelers coast coast joint meeting held LSF NSS Stan Pfost president NSS nounced plans another excellence awards program However year program will include recognition four classes sailplanes includes two-meter class Pfost pointed out clubs hosting contests need provide awards classes final standings years end will recognize top three class awards other halves spoilers 161 aspect ratio gives bird elegant set lines span 144 area 1295 sq wing load ing eight ounces per sq ft Take off tips wing loading becomes II ounces Airfoil 12% NACA 203 12-75 Youll hear about year sailplanes consid ered category mentioned because two unusual scale entries ap peared scratch-built Schweizer TG-3A two-place World War II trainer Mark Weber other Waco CG-4A Mike McIntyre Both models considered Stand-Off Scale category follow-up report will July1978 87 AU IlL BOX 511E HIGGINSVILLE MISSOURI 64037 As mentioned last month 1978 LSF Regional Tournament will first half two year program list sites date Kent Washington Hurst Texas Denver Colorado Detroit Mich igan Reading Pennsylvania Ottawa Ontario Canada San Bernardino Cal ifornia Santa Clara California Milwau kee Wisconsin Huntsville Alabama Winter Park Florida big news second half schedule 1979 will LSF Cham pionship Contest held late summer Lewis University site past SOAR Nationals Entry eligibility will based 1978 tournament performance follows Eitherlst 2nd places Standard Class 1st 2nd places Unlimited Class 1st Sport Scale 1st Junior 1978 Regional Tournament top 20% class 1978 Re gional Tournament Whichever greater League Silent Flight president Gor don Pearson said details will mailed LSF members time pre register between June 15th July 15th LSF also announced has made available its membership summer winter weight jackets jackets dark blue LSF blue down sleeve An LSF logo smartly trims front jacket back has left plain worn way further trimmed clubs insignia Light blue T-shirts available LSF logo front back League also has made available two sizes glasses logo etched membership order forms write League Silent Flight PO Box 39068 Chicago IL 60638 information membership NSS write Dave Cook Star Route Granby CO 80446 Dan Pruss Route 2 Box 490 Plainfield IL 60544 RC Pylon/Lane continued page 24 Flite Line Models Toadby Wolif-Pak Models Sb-Pokeby HLP Models Four Bitsby Models West Quickest 500by Bridi Hobby Enterprises Quicker 500 Haflast 500by Big State scratch built version above listed kits allowed Any manufacturer may introduce version planes must strictly meet design parameters planforms now allowed kits No devia tion will permitted grounds disqualify craft question SPECIFICATIONS Wing Span 50 mm constant chord no sweep Thickness 12 mm no tapers Area 500 sq mm Aile rons strip barndoor types allowed Fuselage May enlarged height width reduced sizes shown allowed kits planforms V4 maximum edge radium corners Can opy optional Tail Assembly No major changes plan shape reduction area Stab thickness must 3/16th mm midspan Landing Gear Dural gear 5/32 wire locations shown plans No re tracts no wheel pants 2 diameter mm wheels type Weight 3 pounds mm Will checked prior race Engines Any stock non-modified non-ABC / non-Schnuerle front-intake RC engine up 401 cu displacement Spinner size AMA safety nut re quired No cowlings allowed No pressure fuel systems allowed Muffler pressure permitted Mufflers optional no tuned pipes kind shape form Claiming fee $500 engine protests Propellers Stunt-type wood prop size No toothpick racing props allowed May sanded blade balance Fuel Furnished host club up 15% content nitro ourse standard AMA Quarter Midget Course shall used requests heat matrix fre quency separation Jack Fabbri Eau Galle Florida numerous have decided run matrix Au gust article view month Wild Turkey raced Reno 1977 Go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 Dayton Kitty Hawk continued page 27 describes Bill recalls having throttle back model engine because pilots car couldnt go fast enough highways notes several lightplanes fly well between 70 80 mph speed seems comfortable FAI model brings up point challenge such flight within rea sonable weight limitthe FAI maximum 5 kg about 11 lbs good ceiling using limit engines no larger 61 cubic inchessuch flights eligible official world records Also technology previous record flights published magazines through years freely available Such weight limit typically allows 90 ounces fuel carried aboard model has shown times engines smaller 60s can used improved fuel economy some figures some record breaking models give idea what has successful Richard Weber Distance miles Duration urs 19 mm Total Surface Area sq Fuel lbs Engine iesel Bill Bertrand Distance 227 miles Duration urs 23 mm Total Surface Area 2 sq Fuel lbs Engine 0 Maynard Hill Distance miles Duration urs 26 mm Total Surface Area sq Fuel lbs Engine o 61 So far good go AMA leaders seeking some sponsorship money provide incentive would-be distance fliers hope provide awards longest non-stop flight way fewest landings anyone goes whole distance shortest total time whole distance regardless landings logical starting point Wright 88 Model Aviation Since weve buiness 24 years can sure stay offer service customers years come youre interested what have offer send Si complete catalog Add 550 1st Class mail return II writing advert., mention reed about MA
Edition: Model Aviation - 1978/07
Page Numbers: 23, 86, 87, 88
Radio Control Soaring Dan Pruss BELGIUM country chosen FAI/CIAM Bureau Meeting late March host R/C Sailplane World Championships July 1979 As may have known site selection either USA Belgium Among reasons given selecting latter economics South Africa hosting pattern championship also 1979 send teams European countries both USA South Africa could impose financial burden lot aero clubs So have ship can eke out six minutes tow 150 meters fly about eight 150-meter laps out possible 12 plus turn same course 15 seconds two laps youll have good chance earn berth US team See page 76 June issue FAI contest calender April issue lists basic rules changes pages 78 79 have questions concerning FAI program consult Ray Marvin 2781 S Garfield Denver CO 80210 ToledoWhat show city has July1978 23 second-place winner Toledo Charles Kellys Spartan flaps expendable wing tips addition rudder elevator spoilers Plug-in tips allow experimentation Hoerner tips end plates winglets etc 50-oz ship has wing span 109 Continued page 86 Al Nageles third-place winner featured terraces top surface its modified Cirrus wing Look closely root Purpose increase wing efficiency low speeds high angles attack Appearance louver-like Wing span 123 in. weight 42 oz Remember Windlord time Ken Bates won first fourth Manx flying wing Span 144 in. aspect ratio 16 1 Can flown wing tips plugged removed wing loading 8 11 os respectively operation its Vee tail Nagele machined own servo mixer permitted in-line servo arrangement provided graceful fuselage shape overall clean lines causes cracks full-scale practice internal canopy frame usually steel tubing Brass aluminum tube can used model assembled silver solder epoxy canopy can fastened frame 1/32 thick foam tape such Fasson Fas Mount has adhesive both sides very rigid wood frame can made using white glue laminate two layers 5-ply 1/16 plywood cut shape Bob aid Dolly Wischer Rt 1 S-22J Lapham Peak Road Delafield WI 53018 RC Aerobatics/Van Putte continued page 22 duced original Phoenix S kits Jims basement Dave also carved Phoenix 6 plug molds commercial fiberglass fuselages cast Don told Phoenix 8 will available epoxy-glass fuselage foam wing stabilizer cores plans competitive price tag us have built admired Phoenix airplanes over years looking forward new airplane displayed first time Toledo Exposition April line forms right behind As get closer first pattern contests using new FAI maneuvers competi tion Master class ques tions pop up about some ma neuvers think Figure M -Rolls best maneuvers come along years However discovered various interpre tations about should performed After number telephone calls other discussions consensus has emerged about should done both stall turns should performed yawing airplane upwind example maneuver initiated pullup roll right first stall turn would require yaw right second roll right -outside loop third /4-roll right would precede left course initial -roll left would require yaw left right respectively two stall turns Im sure other maneuvers new FAI lists will greeted similar differences interpretation Doesnt seem new program rushed upon us very short warning little confusion years slow roll maneuver used fascinate terrify same time first performed very high altitude scared death Now very comfortable generally earns high scores Advanced class three secrets doing good slow roll Id like share first secret involves use either slow roll button dual rate ailerons roll button does nothing deflect ailerons small amount aileron deflection properly adjusted airplane will perform roll five seconds using dual rate ailerons low rate should adjusted give fivesecond roll stick held way side second secret learn coordi nation rudder elevator Since slow roll right start bleeding left rudder airplane has rolled about 450 start taking out about 1350 also down elevator eased down elevator comes out about 2250 right rudder comes right rudder removed 3150 450 before completion roll airplane stops rolling just soon let go stick important secret should come no surpriseyou must practice did lot dry flying using nothing transmitter imagination before daring try first real slow roll difficult things learn use proper rudder direction time flying friends heard mutter Left rudder first dummy people really admire ones use neither roll button nor dual rate ailerons Perhaps Ill never good time didnt think Id ever able slow roll either Ron Van Puue 12 Connie Drive Shah mar Florida 32579 RC Soaring/Pruss continued page 23 become synonymous RC staged 24th annuallets get together compare equipmentconference Whats new sailplanes included Lee Renaud Cox Hobbies Aquila-Grande enlarged version confused X-L version couple years ago Aquilabut wing span tail feathers new version has wingspread 1213 area 1000 sq aspect ratio 1471 empty weight 56-58 oz first glance prototype bas general appearances standard Aquila fine print reveals new airfoil sports Phillips entry beefed-up wing attaches fuselage means 5/16 steel rod should withstand winch/foot-switch tech niques can applied fuselage epoxy/glass available separately Cox Hobbies Customer Service 1525 F Warner Ave Santa Ana CA 92702 Price $4000 plus postage Tom Williams Craft Air showed new Vikinga ship around two wings have designed Both wings have spans three meters 118 areas 1200 sq Mark version has II % flat-bottom airfoil Mark II 12% thickness somewhat semi-symmetrical Controls include spoil ers Wings attached fuselage means two -in steel rods Empty weights 54 oz Mark 56 oz Mark II further informa tion write Craft Air 7851 Alabama Ave Canoga Park CA 91304 Carrera displayed line models mentioned column April sue Three days beating ASW-17 fuselage concrete floor sports arena proved fuselagestypical lineare virtually indestructible models available through Carrera USA PO Box 566 Westmont IL 60559 86 Model Aviation HRSI AROUND IH[ WORLD DOUGLAS WORLD CRUIS[R 1/72 SCALE PLASTIC MODEL KIT During 1924 history-making Douglas World Cruisers made first around world flight Covering some 27553 miles epic voyage lasted 175 days Now can construct highly-detailed model famous aircraft KIT FEATURES WHEELS AND PONTOONS DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT TLE AGO ON NEW ORLEANS ON II $495 r Prom YOU dealer direct adding 15% postage handling Send 50 complete illustrated catalogDEPT MAILLIAMS 181 PAWNEE ST SAN MARCOS CA 92069 Ed Slobod Pierce Arrow Company Paragon fame showed Ridge Rat Ridge Rat designed slope flying Eds claims its plane wont cut modeling budget building time money-wise Designed assembled few ings RR features one-piece wing full-span ailerons Elevator control planes other control function 49-in wing straps bottom fuselage All-up weight 32 oz Ed also has two meter 670-sq 24oz bird drawing board Write Pierce Arrow Co 9626 Jellico Ave Northridge CA 91324 Weak Signals club Toledo has hosted annual Expo over generation recognizes various cat egories models providing display areas giving awards category Best Finish Best Monokote Best Show Feel fortunate didnt have judge sailplane event over dozen models class display over half considered show stoppers Third place went Al Nagele Wil mette IL LNG 3100 planes 123-in wing modified Graup ner Cirrus featured terraces top surface wing three slot-like breaks top surface louvre-like appearance designed increase wing efficiency slower speeds high angles attack V-tail operated through servo-mounted mixer Nagele machined inline servo ar rangement provided graceful fuselage shape overall clean lines ship weighed 42 oz Second place went Charles Kelly Rochester NY Spartan General appearances made think Paul Weig lands Aquila 1000 described col umn back February Good reason Kelly Weigland buddies combined talents produce beautiful models year Kellys Spartan featured rudder elevator spoilers also flaps expendable wing tips tips plug-in types allow Kelly exper iment Hoerner tips end plates winglets etc Spartan weighs 50 oz has span 109 across tips has area 1050 sq Ken Bates Ypsilanti Ml topped last years effort first place fourth Best Monokote same plane Manx further evolu tion flying wing designs includes Windlord published March issue Manx somewhat unique three-piece model center wing section integral part very short fuselage Half span turning spoilers tips center sec tion wing can flown con figuration plug-in tips include r race j ou need obbypoxy HOBBYPOXY fuel proof high-nitro fuels HOBBYPOXY tough itll withstand abuse fast pit stops hard landings HOBBYPOXY super smooth adds miles-per-hour HOBBYPOXY easy use easy repair S dont forget Hobbypoxy glues strongest best construction Send free color card copy Hobbypoxy Painting Pointers booklet Division Pettit Paint Co Inc IIUnUAT PRODUCTS 36 Pine Street Rockaway NJ 07888 made after birds fly LSF NSS shared booth show booth always focal point people havent seen other since last year show does draw modelers coast coast joint meeting held LSF NSS Stan Pfost president NSS nounced plans another excellence awards program However year program will include recognition four classes sailplanes includes two-meter class Pfost pointed out clubs hosting contests need provide awards classes final standings years end will recognize top three class awards other halves spoilers 161 aspect ratio gives bird elegant set lines span 144 area 1295 sq wing load ing eight ounces per sq ft Take off tips wing loading becomes II ounces Airfoil 12% NACA 203 12-75 Youll hear about year sailplanes consid ered category mentioned because two unusual scale entries ap peared scratch-built Schweizer TG-3A two-place World War II trainer Mark Weber other Waco CG-4A Mike McIntyre Both models considered Stand-Off Scale category follow-up report will July1978 87 AU IlL BOX 511E HIGGINSVILLE MISSOURI 64037 As mentioned last month 1978 LSF Regional Tournament will first half two year program list sites date Kent Washington Hurst Texas Denver Colorado Detroit Mich igan Reading Pennsylvania Ottawa Ontario Canada San Bernardino Cal ifornia Santa Clara California Milwau kee Wisconsin Huntsville Alabama Winter Park Florida big news second half schedule 1979 will LSF Cham pionship Contest held late summer Lewis University site past SOAR Nationals Entry eligibility will based 1978 tournament performance follows Eitherlst 2nd places Standard Class 1st 2nd places Unlimited Class 1st Sport Scale 1st Junior 1978 Regional Tournament top 20% class 1978 Re gional Tournament Whichever greater League Silent Flight president Gor don Pearson said details will mailed LSF members time pre register between June 15th July 15th LSF also announced has made available its membership summer winter weight jackets jackets dark blue LSF blue down sleeve An LSF logo smartly trims front jacket back has left plain worn way further trimmed clubs insignia Light blue T-shirts available LSF logo front back League also has made available two sizes glasses logo etched membership order forms write League Silent Flight PO Box 39068 Chicago IL 60638 information membership NSS write Dave Cook Star Route Granby CO 80446 Dan Pruss Route 2 Box 490 Plainfield IL 60544 RC Pylon/Lane continued page 24 Flite Line Models Toadby Wolif-Pak Models Sb-Pokeby HLP Models Four Bitsby Models West Quickest 500by Bridi Hobby Enterprises Quicker 500 Haflast 500by Big State scratch built version above listed kits allowed Any manufacturer may introduce version planes must strictly meet design parameters planforms now allowed kits No devia tion will permitted grounds disqualify craft question SPECIFICATIONS Wing Span 50 mm constant chord no sweep Thickness 12 mm no tapers Area 500 sq mm Aile rons strip barndoor types allowed Fuselage May enlarged height width reduced sizes shown allowed kits planforms V4 maximum edge radium corners Can opy optional Tail Assembly No major changes plan shape reduction area Stab thickness must 3/16th mm midspan Landing Gear Dural gear 5/32 wire locations shown plans No re tracts no wheel pants 2 diameter mm wheels type Weight 3 pounds mm Will checked prior race Engines Any stock non-modified non-ABC / non-Schnuerle front-intake RC engine up 401 cu displacement Spinner size AMA safety nut re quired No cowlings allowed No pressure fuel systems allowed Muffler pressure permitted Mufflers optional no tuned pipes kind shape form Claiming fee $500 engine protests Propellers Stunt-type wood prop size No toothpick racing props allowed May sanded blade balance Fuel Furnished host club up 15% content nitro ourse standard AMA Quarter Midget Course shall used requests heat matrix fre quency separation Jack Fabbri Eau Galle Florida numerous have decided run matrix Au gust article view month Wild Turkey raced Reno 1977 Go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 Dayton Kitty Hawk continued page 27 describes Bill recalls having throttle back model engine because pilots car couldnt go fast enough highways notes several lightplanes fly well between 70 80 mph speed seems comfortable FAI model brings up point challenge such flight within rea sonable weight limitthe FAI maximum 5 kg about 11 lbs good ceiling using limit engines no larger 61 cubic inchessuch flights eligible official world records Also technology previous record flights published magazines through years freely available Such weight limit typically allows 90 ounces fuel carried aboard model has shown times engines smaller 60s can used improved fuel economy some figures some record breaking models give idea what has successful Richard Weber Distance miles Duration urs 19 mm Total Surface Area sq Fuel lbs Engine iesel Bill Bertrand Distance 227 miles Duration urs 23 mm Total Surface Area 2 sq Fuel lbs Engine 0 Maynard Hill Distance miles Duration urs 26 mm Total Surface Area sq Fuel lbs Engine o 61 So far good go AMA leaders seeking some sponsorship money provide incentive would-be distance fliers hope provide awards longest non-stop flight way fewest landings anyone goes whole distance shortest total time whole distance regardless landings logical starting point Wright 88 Model Aviation Since weve buiness 24 years can sure stay offer service customers years come youre interested what have offer send Si complete catalog Add 550 1st Class mail return II writing advert., mention reed about MA