Speed Gene Hempel SPECIAL REPORT report about place CL Speed action seems European scene European Control Line Flying Championships July 9-12 1985 Three Sisters Recreation Area Wigan Greater Manchester England Over 200 competitors representing 21 countries largest number ever com pete Britain converged Wigan dur ing first week July pit skills during European Control Line Flying Championships Twenty-eight fliers com peted FAI class F2A CL Speed new permanent flying site caged arenas electronic jury tower vibrated roar engines chatter tongues what became end week Friendly Cham pionships Under control Contest Director Ken Morrissey processing commenced Tuesday later teams short practice before serious flying started next day three-man Russian team came out showing real professionalism going circle man putting timed flight 270-plus kilometers per hour kmh1678 mph Disaster struck UK team Pete Halman broke crank pink best engine Paul Eisner lost wrist-pin-retaining circlip destroyed After several flights Hungary Poland Bulgaria knew battle recorded times around 270 kmh contest started Wednesday Round commenced windy con ditions 23 0C 47 humidity First-off Pisarchuk USSR failed line pulltest quickly followed Szegedi Hungary flight 2795 kmh 1736 mphwho disqualified high flying long-winged model proved dif ficult control wind Rachwal Poland followed no-flight McGladdery UK registered slow time 2441 kmh 15168 mph After such disastrous start rewarded superb flight Anatol Kohaniuk USSR 2819 kmh 17517 mph turned out winning flight contest Halman UK turned level 2639 kmh 16399 mph new crankshaft followed Schelkalin USSR 2793 kmh 17356 mph Molnar Hungary later day registered 2782 kmh 17287 mph Pisarchuk during reflight turned respectable 2705 kmh 16809 mph Kohanluks winning plane 28190 kmh17517 mph engine Note single-bladed carbon-fiber prop shape tuned pipe small size elevator relatively short asymmetrical wing Photo speed pan shows impeccable craftmanship suction fuel tank wire land ing skid View engine shows Inflight rpm sensor backplate An LCD readout ground gave actual rpms during flight 78 Model Aviation Aerial view new permanent flying site near Manchester England used European Control Line Flying Championships Note central circle fully paved has safety enclosure Adjacent circle grassfor Combat Truly marvelous facility Three Russian homemade enginesthe two top Kohanluks look venturis R quite Interesting fuel-tube designlplacement 25cc15 cu Thursday Round Two started once Pisarchucks Rossi-copy homemade engine displayed beautiful craftsmanship again increasing windy conditions 20 0C 57% humidity First off Vita Italy new OPS registering 2562 kmh 15920 mph followed Schelkalin repeating first round time 2793 kmh Later Kitipov Bulgaria came close heels 2717 kmh 17356 mph contest stopped midday FAI jury check wind speed proved well within required limit FAI rules permit wind speed up 12 meters/sec268 mphbefore contest may interrupt ed limit 9 meters/sec Free Flight Friday Round Three commenced windy conditions easing slightly 21 0C 62% humidity Zanin Italy flew first followed Chojnacki Poland increased first-round time 2649 kmh 16461 mph Szegedi Hungary improved 27800 kmh Continued page 171 December 1985 79 Schelkalins engine won second place Note shape rear cylinder fins Photo right shows porting chrome-plated-brass sleeve alurn num piston oinar i-Iungary came third 2782 kmh 17287 mph Look length asymmetrical wingl Dolly simple Italys Vita pull-tests model Bulgarian team LR Kitipoy Kab Bulgarias Kabbakoy ninth bakoy Assen placed fourth speed 26770 mph 16635 mph Peter 1-lalman UK used homemade engine steel tuned pipe 26390 kmh 16399 mph Oie Kejeiiberg Sweden used three upright-engine models meet Finlands Valo used upright engine rare inboard-mounted stabilizer Realize Genuine Improvement RC Flying Geometron Transmitter Support Completely frees hands control sticks levers nothing way Allows concentrate flying because dont have hold transmitter operating controls Provides full tour corner stick mobility Improves accuracy stick movement because transmitter held stable Adjusts two-stick transmitter modifications Simple adjustments arm length shoulder size Transmitter secured safety catch can removed replaced second yet cannot accidentally fall out p Extremely comfortable use wear Put take off instant hat No bets buckles straps no cord around neck Wearing support transmitter stays place carry plane Doubles ideal ground support otters perfect accessibility keeps transmitter off ground Ruggedly built heat treated aluminum finished heavy duty anodize Assembled stainless steel fasteners Designed constructed extended use695O HASE ALL THREE ITEMS $995Q $99Q See dealer order direct GEOMETRON CO INC 12 INGLESIDE ROAD LEXINGTON MASSACHUSETrS O1 73 617 861-6526 PIus $150 shppsg coo 200 addmonal cash o soses oder ooIv Charses aDslv sf10 coshsOntai US Mass resuents add 5c LCD TIMER/STOPWATCH Counts up down preset hold additive features Time out sounds alarm auto shut off Easy read outdoors lithium battery 21 95* PROTECTIVE BAG Made space age aluminum coated nylon Reflects suns heat protects Tx dirt and4 dust special fast acting closure ONCE YOU USE IT YOU WILL NEVER FLY WITHOUT IT resubmission proposed rules would appear inter ested CL Electric flight have eventpromotion job ahead event made official during next rulesmaking cycle starts January 1986 Scale Board turned down proposed rules Executive Council has recognized growing interest Electric flight establishing Elec tric Flight Advisory Committee should great help contest boards during 1986-1987 rules cycle evaluating new proposals Watch future issues Model Aviation Com petition Newsletter section listing district representatives would also suggest write district Scale Board member telling him interest let him know youre out might also write about activities National Association Scale Aeromodelers NASA John R Guenther RR 3 Box 261 Borden IN 47106 As special interest group Scale Modelers NASA can much help recommen dation rules proposals Scale Board too will can via col umn support promote CL Scale aspects Electric flight have send information data photos Hints workshop 1980 AMA rule book issued Scale model ers found new rule requiring have pilot models during flight pilot wasnt required model times us made pilot installation permanent especially Sport Scale models Bob Furr Orbiting Eagles Omaha makes following suggestion mounting pilot cockpit states us have used silicone rubber glue mount fuel tanks have considered some other things can Mounting plastic pilot very easily-accomplished silicone glue first step mounting process set pilot place draw its outline mounting surface using drill bit about 3/32 will drill generous number holes both mounting surface underside pilot Now spread good amount silicone rubber cement base pilot rubbing holes leav ing about 1/16-in thickness base Now same mounting sur face assemble two ce ment has cured forms equivalent rubber rivets will hold up well shock landings engine vibrations crashes 1982 Directory CL Scale Subjects September P-40 Sliding Canopy October Three-line handle modification engine cutoff stop pin Engine control rules changes November Nationals coverage December Conversion RC kits CL use Scale data sourceAero Publishers Detail Scale Series books 1983 Directory CL Scale Subjects January Engine mounting problems New muffler rule new sand ing tool February FAI rules changes Bob Underwood Turn off battery charger home auto-timer Use plastic odds ends spinners gun turret bub bles etc March Masking tape stencils Profiles Scale Juniors April Rohm Air retract control unit CL models Special decal designs silkspan May Scale documentation June Sorta Scale event Taxi problems wheel alignment Wheel pants binding tires Rules reminders competition July Engine overheating problems August Flap operation via servo FAI rules changes September Q & As Scale markings Painting vs decals Making own engine use RC CL Rohm Air retract control unitApril issue update October Janaco servo unit November Nationals coverage December Posting scores Scale meets Scale jet models Sam Abdow Please send CL Scale items Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 79 17275 mph Kohaniuk slowed down 2799 kmh 17319 mph put him fifth place technical side contest competitors used old-style Rossi 15s Bulgarians using latest type Zanin & Vita Italy ever-improving OPS Halman UK ownmade motor steel pipe surprise week Rus sians own-made motors Kohaniuk three different prototypes latest in-flight rpm counter five-port AAC aluminum liner alumi num piston chrome-plated liner built perfection Second-place Schelkalin four-port masterpiece Pisarchuk excellent Rossi copy Most competitors used exhaust timing December 1 985 1 71 between 1880 1940 transfers l28 1350 36000 rpm target en tries used single-blade propellers Hungarians Bulgarians used wood Russians preferred carbon fiber/epoxy Sidewinder asymmetric models suction tanks flown ex cept three upright Kingfishers Pisarchuk USSR Ritenburger Holland Schmidt FRG using centrifugal fuel switches pressure tanks Pipes Rossi OPS homemade small tailpipe diameters between 4mm 5mm various volumes lengths suit individual engine would like thank Ken Morrissey helping pull information together generous hospitality friendship recent visit England Results European Control Line Championships FAI Class FZASpeed Individual Performance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A Kohamuk S Schelkalin J Moinar S Szegedi I Mult H Kitipov Y Pisarchuck G Nowakowski 0 Kabbakov T Choinacki P Halman S Zanin A Rachwal o vita J Horvath T Assen P Rietbergen R McGladdery I Schmidt N Bjork 0 Kejellberg R Forstner P Eisner J Magne F Marksteiner J Valo 0 Urban T Borer USSR USSR Hungary Hungary Hungary Bulgaria USSR Poland Bulgaria Poland UK Italy Poland Italy Italy Bulgaria Netheri UK ERG Sweden Sweden FRO UK France Austria Finland Switz Switz knib 28190 27930 27820 27800 277 10 27170 27050 26930 26770 26490 26390 26350 26280 25620 25550 25260 24640 24410 24410 24390 23780 21660 21150 0 0 0 0 0 mph 17517 17356 17287 17275 17219 16883 16809 167 34 16635 16461 16399 16374 16330 15920 15877 15697 15311 15168 15168 15156 14777 13460 13143 0 0 0 0 0 Team Results 1 2tJSSR diic 4hu1aHa S.5Itaiy 6 UniiedKingdom 7 Sweden NEWp oIDD U8 Federal Republic Germany DNA IRIc WUW9 Netherlands ELECTRICt10 Astria AS POWEREDcoer1and __niand r.TX 75042 fl Hempel 301 N Yale Dr Garland REAl R/C TRAINER GRANDMA CAN FLYCL Aerobatics/Fancher 2-3 CHANNEL RADIO 49 Inch SPAN Continued page 76 05 ELECTRIC 049 tO 15 GAS pushrod behind washer CATALOG $200NI $3995solder together unit 1958 beautiful brand-new Thunder bird its first contest snagged line tar strip projecting between concrete slabs tarmac line snapped ship turned circle took off snapped other line became temporary Free Flight Solution Inspect flying site hazards Weeds tie-down holes power lines trees sprinklers own tool boxes stooge qualify 1973 destroyed brand new origi nal destined Nat Ufrough first number failures dreaded steel quick-clevis pushrod connector Solution Dont use spring-steel pushrod connectors Stunt ships 1975 Nats top Ver tical Eight during practice steel pushrod clevis broke Result Instant spectator Solution Dont use darn things Stunt ships Just prior last flight 1979 Team Trials broke line during pull test resulting twisted control horn lousy flight no free trip Poland Solution Inspect replace con trol lines regularly same ship Excitation destroyed 1980 Nats just prior Walker Cup flyoff whenyou guessed ita spring-steel pushrod connector broke Solution Dont use darn things Stunt ships Just prior World Championships Sweden Excitation II crashed burned heavy-duty ball-type pushrod connector ball separate link embarrassed yet another control system breakdown lied everyone including own flying buddies clalming stooge accident takeoff culprit Solution must use ball-type pushrod connectorsand still doyou must provide backup means prevent ing link popping off ball Finally earlier month lost Celebration cable Baron Martine-style adjustable handle fatigued exits adjustment bar First down line broke after 20 30 side loops up-line cable also failed Fortunately ship flew short distance before impact no per son property damaged . sole competitive Stunt ship hopes representing country once again Solution Never assume since equipment sound last flight still sound thorough preflight visible components before flight necessity moral story simple nothing original chain strong its weakest link nowhere applicable magnifi cent flying machine have vested much time Spend good share 172 Model Aviation TAPER ACETM Rib Profiler makes tapered eliptical wing design easyl Works faster computerl Adjusts locks size rib instantly Curve plates provided draw 3 differeht full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 L ~atcnea rerrormance TOP PERFORMA K&B ENGINES Airplane Manrie K&B FUELS K&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGlASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN KgB SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Pec&D*Iai*, 619 44246I ~l 5UWW7FUU 619 4698675J BOX 2498-MA LA MESA CA 9204i1
Edition: Model Aviation - 1985/12
Page Numbers: 78, 79, 171, 172
Speed Gene Hempel SPECIAL REPORT report about place CL Speed action seems European scene European Control Line Flying Championships July 9-12 1985 Three Sisters Recreation Area Wigan Greater Manchester England Over 200 competitors representing 21 countries largest number ever com pete Britain converged Wigan dur ing first week July pit skills during European Control Line Flying Championships Twenty-eight fliers com peted FAI class F2A CL Speed new permanent flying site caged arenas electronic jury tower vibrated roar engines chatter tongues what became end week Friendly Cham pionships Under control Contest Director Ken Morrissey processing commenced Tuesday later teams short practice before serious flying started next day three-man Russian team came out showing real professionalism going circle man putting timed flight 270-plus kilometers per hour kmh1678 mph Disaster struck UK team Pete Halman broke crank pink best engine Paul Eisner lost wrist-pin-retaining circlip destroyed After several flights Hungary Poland Bulgaria knew battle recorded times around 270 kmh contest started Wednesday Round commenced windy con ditions 23 0C 47 humidity First-off Pisarchuk USSR failed line pulltest quickly followed Szegedi Hungary flight 2795 kmh 1736 mphwho disqualified high flying long-winged model proved dif ficult control wind Rachwal Poland followed no-flight McGladdery UK registered slow time 2441 kmh 15168 mph After such disastrous start rewarded superb flight Anatol Kohaniuk USSR 2819 kmh 17517 mph turned out winning flight contest Halman UK turned level 2639 kmh 16399 mph new crankshaft followed Schelkalin USSR 2793 kmh 17356 mph Molnar Hungary later day registered 2782 kmh 17287 mph Pisarchuk during reflight turned respectable 2705 kmh 16809 mph Kohanluks winning plane 28190 kmh17517 mph engine Note single-bladed carbon-fiber prop shape tuned pipe small size elevator relatively short asymmetrical wing Photo speed pan shows impeccable craftmanship suction fuel tank wire land ing skid View engine shows Inflight rpm sensor backplate An LCD readout ground gave actual rpms during flight 78 Model Aviation Aerial view new permanent flying site near Manchester England used European Control Line Flying Championships Note central circle fully paved has safety enclosure Adjacent circle grassfor Combat Truly marvelous facility Three Russian homemade enginesthe two top Kohanluks look venturis R quite Interesting fuel-tube designlplacement 25cc15 cu Thursday Round Two started once Pisarchucks Rossi-copy homemade engine displayed beautiful craftsmanship again increasing windy conditions 20 0C 57% humidity First off Vita Italy new OPS registering 2562 kmh 15920 mph followed Schelkalin repeating first round time 2793 kmh Later Kitipov Bulgaria came close heels 2717 kmh 17356 mph contest stopped midday FAI jury check wind speed proved well within required limit FAI rules permit wind speed up 12 meters/sec268 mphbefore contest may interrupt ed limit 9 meters/sec Free Flight Friday Round Three commenced windy conditions easing slightly 21 0C 62% humidity Zanin Italy flew first followed Chojnacki Poland increased first-round time 2649 kmh 16461 mph Szegedi Hungary improved 27800 kmh Continued page 171 December 1985 79 Schelkalins engine won second place Note shape rear cylinder fins Photo right shows porting chrome-plated-brass sleeve alurn num piston oinar i-Iungary came third 2782 kmh 17287 mph Look length asymmetrical wingl Dolly simple Italys Vita pull-tests model Bulgarian team LR Kitipoy Kab Bulgarias Kabbakoy ninth bakoy Assen placed fourth speed 26770 mph 16635 mph Peter 1-lalman UK used homemade engine steel tuned pipe 26390 kmh 16399 mph Oie Kejeiiberg Sweden used three upright-engine models meet Finlands Valo used upright engine rare inboard-mounted stabilizer Realize Genuine Improvement RC Flying Geometron Transmitter Support Completely frees hands control sticks levers nothing way Allows concentrate flying because dont have hold transmitter operating controls Provides full tour corner stick mobility Improves accuracy stick movement because transmitter held stable Adjusts two-stick transmitter modifications Simple adjustments arm length shoulder size Transmitter secured safety catch can removed replaced second yet cannot accidentally fall out p Extremely comfortable use wear Put take off instant hat No bets buckles straps no cord around neck Wearing support transmitter stays place carry plane Doubles ideal ground support otters perfect accessibility keeps transmitter off ground Ruggedly built heat treated aluminum finished heavy duty anodize Assembled stainless steel fasteners Designed constructed extended use695O HASE ALL THREE ITEMS $995Q $99Q See dealer order direct GEOMETRON CO INC 12 INGLESIDE ROAD LEXINGTON MASSACHUSETrS O1 73 617 861-6526 PIus $150 shppsg coo 200 addmonal cash o soses oder ooIv Charses aDslv sf10 coshsOntai US Mass resuents add 5c LCD TIMER/STOPWATCH Counts up down preset hold additive features Time out sounds alarm auto shut off Easy read outdoors lithium battery 21 95* PROTECTIVE BAG Made space age aluminum coated nylon Reflects suns heat protects Tx dirt and4 dust special fast acting closure ONCE YOU USE IT YOU WILL NEVER FLY WITHOUT IT resubmission proposed rules would appear inter ested CL Electric flight have eventpromotion job ahead event made official during next rulesmaking cycle starts January 1986 Scale Board turned down proposed rules Executive Council has recognized growing interest Electric flight establishing Elec tric Flight Advisory Committee should great help contest boards during 1986-1987 rules cycle evaluating new proposals Watch future issues Model Aviation Com petition Newsletter section listing district representatives would also suggest write district Scale Board member telling him interest let him know youre out might also write about activities National Association Scale Aeromodelers NASA John R Guenther RR 3 Box 261 Borden IN 47106 As special interest group Scale Modelers NASA can much help recommen dation rules proposals Scale Board too will can via col umn support promote CL Scale aspects Electric flight have send information data photos Hints workshop 1980 AMA rule book issued Scale model ers found new rule requiring have pilot models during flight pilot wasnt required model times us made pilot installation permanent especially Sport Scale models Bob Furr Orbiting Eagles Omaha makes following suggestion mounting pilot cockpit states us have used silicone rubber glue mount fuel tanks have considered some other things can Mounting plastic pilot very easily-accomplished silicone glue first step mounting process set pilot place draw its outline mounting surface using drill bit about 3/32 will drill generous number holes both mounting surface underside pilot Now spread good amount silicone rubber cement base pilot rubbing holes leav ing about 1/16-in thickness base Now same mounting sur face assemble two ce ment has cured forms equivalent rubber rivets will hold up well shock landings engine vibrations crashes 1982 Directory CL Scale Subjects September P-40 Sliding Canopy October Three-line handle modification engine cutoff stop pin Engine control rules changes November Nationals coverage December Conversion RC kits CL use Scale data sourceAero Publishers Detail Scale Series books 1983 Directory CL Scale Subjects January Engine mounting problems New muffler rule new sand ing tool February FAI rules changes Bob Underwood Turn off battery charger home auto-timer Use plastic odds ends spinners gun turret bub bles etc March Masking tape stencils Profiles Scale Juniors April Rohm Air retract control unit CL models Special decal designs silkspan May Scale documentation June Sorta Scale event Taxi problems wheel alignment Wheel pants binding tires Rules reminders competition July Engine overheating problems August Flap operation via servo FAI rules changes September Q & As Scale markings Painting vs decals Making own engine use RC CL Rohm Air retract control unitApril issue update October Janaco servo unit November Nationals coverage December Posting scores Scale meets Scale jet models Sam Abdow Please send CL Scale items Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 79 17275 mph Kohaniuk slowed down 2799 kmh 17319 mph put him fifth place technical side contest competitors used old-style Rossi 15s Bulgarians using latest type Zanin & Vita Italy ever-improving OPS Halman UK ownmade motor steel pipe surprise week Rus sians own-made motors Kohaniuk three different prototypes latest in-flight rpm counter five-port AAC aluminum liner alumi num piston chrome-plated liner built perfection Second-place Schelkalin four-port masterpiece Pisarchuk excellent Rossi copy Most competitors used exhaust timing December 1 985 1 71 between 1880 1940 transfers l28 1350 36000 rpm target en tries used single-blade propellers Hungarians Bulgarians used wood Russians preferred carbon fiber/epoxy Sidewinder asymmetric models suction tanks flown ex cept three upright Kingfishers Pisarchuk USSR Ritenburger Holland Schmidt FRG using centrifugal fuel switches pressure tanks Pipes Rossi OPS homemade small tailpipe diameters between 4mm 5mm various volumes lengths suit individual engine would like thank Ken Morrissey helping pull information together generous hospitality friendship recent visit England Results European Control Line Championships FAI Class FZASpeed Individual Performance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A Kohamuk S Schelkalin J Moinar S Szegedi I Mult H Kitipov Y Pisarchuck G Nowakowski 0 Kabbakov T Choinacki P Halman S Zanin A Rachwal o vita J Horvath T Assen P Rietbergen R McGladdery I Schmidt N Bjork 0 Kejellberg R Forstner P Eisner J Magne F Marksteiner J Valo 0 Urban T Borer USSR USSR Hungary Hungary Hungary Bulgaria USSR Poland Bulgaria Poland UK Italy Poland Italy Italy Bulgaria Netheri UK ERG Sweden Sweden FRO UK France Austria Finland Switz Switz knib 28190 27930 27820 27800 277 10 27170 27050 26930 26770 26490 26390 26350 26280 25620 25550 25260 24640 24410 24410 24390 23780 21660 21150 0 0 0 0 0 mph 17517 17356 17287 17275 17219 16883 16809 167 34 16635 16461 16399 16374 16330 15920 15877 15697 15311 15168 15168 15156 14777 13460 13143 0 0 0 0 0 Team Results 1 2tJSSR diic 4hu1aHa S.5Itaiy 6 UniiedKingdom 7 Sweden NEWp oIDD U8 Federal Republic Germany DNA IRIc WUW9 Netherlands ELECTRICt10 Astria AS POWEREDcoer1and __niand r.TX 75042 fl Hempel 301 N Yale Dr Garland REAl R/C TRAINER GRANDMA CAN FLYCL Aerobatics/Fancher 2-3 CHANNEL RADIO 49 Inch SPAN Continued page 76 05 ELECTRIC 049 tO 15 GAS pushrod behind washer CATALOG $200NI $3995solder together unit 1958 beautiful brand-new Thunder bird its first contest snagged line tar strip projecting between concrete slabs tarmac line snapped ship turned circle took off snapped other line became temporary Free Flight Solution Inspect flying site hazards Weeds tie-down holes power lines trees sprinklers own tool boxes stooge qualify 1973 destroyed brand new origi nal destined Nat Ufrough first number failures dreaded steel quick-clevis pushrod connector Solution Dont use spring-steel pushrod connectors Stunt ships 1975 Nats top Ver tical Eight during practice steel pushrod clevis broke Result Instant spectator Solution Dont use darn things Stunt ships Just prior last flight 1979 Team Trials broke line during pull test resulting twisted control horn lousy flight no free trip Poland Solution Inspect replace con trol lines regularly same ship Excitation destroyed 1980 Nats just prior Walker Cup flyoff whenyou guessed ita spring-steel pushrod connector broke Solution Dont use darn things Stunt ships Just prior World Championships Sweden Excitation II crashed burned heavy-duty ball-type pushrod connector ball separate link embarrassed yet another control system breakdown lied everyone including own flying buddies clalming stooge accident takeoff culprit Solution must use ball-type pushrod connectorsand still doyou must provide backup means prevent ing link popping off ball Finally earlier month lost Celebration cable Baron Martine-style adjustable handle fatigued exits adjustment bar First down line broke after 20 30 side loops up-line cable also failed Fortunately ship flew short distance before impact no per son property damaged . sole competitive Stunt ship hopes representing country once again Solution Never assume since equipment sound last flight still sound thorough preflight visible components before flight necessity moral story simple nothing original chain strong its weakest link nowhere applicable magnifi cent flying machine have vested much time Spend good share 172 Model Aviation TAPER ACETM Rib Profiler makes tapered eliptical wing design easyl Works faster computerl Adjusts locks size rib instantly Curve plates provided draw 3 differeht full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 L ~atcnea rerrormance TOP PERFORMA K&B ENGINES Airplane Manrie K&B FUELS K&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGlASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN KgB SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Pec&D*Iai*, 619 44246I ~l 5UWW7FUU 619 4698675J BOX 2498-MA LA MESA CA 9204i1
Edition: Model Aviation - 1985/12
Page Numbers: 78, 79, 171, 172
Speed Gene Hempel SPECIAL REPORT report about place CL Speed action seems European scene European Control Line Flying Championships July 9-12 1985 Three Sisters Recreation Area Wigan Greater Manchester England Over 200 competitors representing 21 countries largest number ever com pete Britain converged Wigan dur ing first week July pit skills during European Control Line Flying Championships Twenty-eight fliers com peted FAI class F2A CL Speed new permanent flying site caged arenas electronic jury tower vibrated roar engines chatter tongues what became end week Friendly Cham pionships Under control Contest Director Ken Morrissey processing commenced Tuesday later teams short practice before serious flying started next day three-man Russian team came out showing real professionalism going circle man putting timed flight 270-plus kilometers per hour kmh1678 mph Disaster struck UK team Pete Halman broke crank pink best engine Paul Eisner lost wrist-pin-retaining circlip destroyed After several flights Hungary Poland Bulgaria knew battle recorded times around 270 kmh contest started Wednesday Round commenced windy con ditions 23 0C 47 humidity First-off Pisarchuk USSR failed line pulltest quickly followed Szegedi Hungary flight 2795 kmh 1736 mphwho disqualified high flying long-winged model proved dif ficult control wind Rachwal Poland followed no-flight McGladdery UK registered slow time 2441 kmh 15168 mph After such disastrous start rewarded superb flight Anatol Kohaniuk USSR 2819 kmh 17517 mph turned out winning flight contest Halman UK turned level 2639 kmh 16399 mph new crankshaft followed Schelkalin USSR 2793 kmh 17356 mph Molnar Hungary later day registered 2782 kmh 17287 mph Pisarchuk during reflight turned respectable 2705 kmh 16809 mph Kohanluks winning plane 28190 kmh17517 mph engine Note single-bladed carbon-fiber prop shape tuned pipe small size elevator relatively short asymmetrical wing Photo speed pan shows impeccable craftmanship suction fuel tank wire land ing skid View engine shows Inflight rpm sensor backplate An LCD readout ground gave actual rpms during flight 78 Model Aviation Aerial view new permanent flying site near Manchester England used European Control Line Flying Championships Note central circle fully paved has safety enclosure Adjacent circle grassfor Combat Truly marvelous facility Three Russian homemade enginesthe two top Kohanluks look venturis R quite Interesting fuel-tube designlplacement 25cc15 cu Thursday Round Two started once Pisarchucks Rossi-copy homemade engine displayed beautiful craftsmanship again increasing windy conditions 20 0C 57% humidity First off Vita Italy new OPS registering 2562 kmh 15920 mph followed Schelkalin repeating first round time 2793 kmh Later Kitipov Bulgaria came close heels 2717 kmh 17356 mph contest stopped midday FAI jury check wind speed proved well within required limit FAI rules permit wind speed up 12 meters/sec268 mphbefore contest may interrupt ed limit 9 meters/sec Free Flight Friday Round Three commenced windy conditions easing slightly 21 0C 62% humidity Zanin Italy flew first followed Chojnacki Poland increased first-round time 2649 kmh 16461 mph Szegedi Hungary improved 27800 kmh Continued page 171 December 1985 79 Schelkalins engine won second place Note shape rear cylinder fins Photo right shows porting chrome-plated-brass sleeve alurn num piston oinar i-Iungary came third 2782 kmh 17287 mph Look length asymmetrical wingl Dolly simple Italys Vita pull-tests model Bulgarian team LR Kitipoy Kab Bulgarias Kabbakoy ninth bakoy Assen placed fourth speed 26770 mph 16635 mph Peter 1-lalman UK used homemade engine steel tuned pipe 26390 kmh 16399 mph Oie Kejeiiberg Sweden used three upright-engine models meet Finlands Valo used upright engine rare inboard-mounted stabilizer Realize Genuine Improvement RC Flying Geometron Transmitter Support Completely frees hands control sticks levers nothing way Allows concentrate flying because dont have hold transmitter operating controls Provides full tour corner stick mobility Improves accuracy stick movement because transmitter held stable Adjusts two-stick transmitter modifications Simple adjustments arm length shoulder size Transmitter secured safety catch can removed replaced second yet cannot accidentally fall out p Extremely comfortable use wear Put take off instant hat No bets buckles straps no cord around neck Wearing support transmitter stays place carry plane Doubles ideal ground support otters perfect accessibility keeps transmitter off ground Ruggedly built heat treated aluminum finished heavy duty anodize Assembled stainless steel fasteners Designed constructed extended use695O HASE ALL THREE ITEMS $995Q $99Q See dealer order direct GEOMETRON CO INC 12 INGLESIDE ROAD LEXINGTON MASSACHUSETrS O1 73 617 861-6526 PIus $150 shppsg coo 200 addmonal cash o soses oder ooIv Charses aDslv sf10 coshsOntai US Mass resuents add 5c LCD TIMER/STOPWATCH Counts up down preset hold additive features Time out sounds alarm auto shut off Easy read outdoors lithium battery 21 95* PROTECTIVE BAG Made space age aluminum coated nylon Reflects suns heat protects Tx dirt and4 dust special fast acting closure ONCE YOU USE IT YOU WILL NEVER FLY WITHOUT IT resubmission proposed rules would appear inter ested CL Electric flight have eventpromotion job ahead event made official during next rulesmaking cycle starts January 1986 Scale Board turned down proposed rules Executive Council has recognized growing interest Electric flight establishing Elec tric Flight Advisory Committee should great help contest boards during 1986-1987 rules cycle evaluating new proposals Watch future issues Model Aviation Com petition Newsletter section listing district representatives would also suggest write district Scale Board member telling him interest let him know youre out might also write about activities National Association Scale Aeromodelers NASA John R Guenther RR 3 Box 261 Borden IN 47106 As special interest group Scale Modelers NASA can much help recommen dation rules proposals Scale Board too will can via col umn support promote CL Scale aspects Electric flight have send information data photos Hints workshop 1980 AMA rule book issued Scale model ers found new rule requiring have pilot models during flight pilot wasnt required model times us made pilot installation permanent especially Sport Scale models Bob Furr Orbiting Eagles Omaha makes following suggestion mounting pilot cockpit states us have used silicone rubber glue mount fuel tanks have considered some other things can Mounting plastic pilot very easily-accomplished silicone glue first step mounting process set pilot place draw its outline mounting surface using drill bit about 3/32 will drill generous number holes both mounting surface underside pilot Now spread good amount silicone rubber cement base pilot rubbing holes leav ing about 1/16-in thickness base Now same mounting sur face assemble two ce ment has cured forms equivalent rubber rivets will hold up well shock landings engine vibrations crashes 1982 Directory CL Scale Subjects September P-40 Sliding Canopy October Three-line handle modification engine cutoff stop pin Engine control rules changes November Nationals coverage December Conversion RC kits CL use Scale data sourceAero Publishers Detail Scale Series books 1983 Directory CL Scale Subjects January Engine mounting problems New muffler rule new sand ing tool February FAI rules changes Bob Underwood Turn off battery charger home auto-timer Use plastic odds ends spinners gun turret bub bles etc March Masking tape stencils Profiles Scale Juniors April Rohm Air retract control unit CL models Special decal designs silkspan May Scale documentation June Sorta Scale event Taxi problems wheel alignment Wheel pants binding tires Rules reminders competition July Engine overheating problems August Flap operation via servo FAI rules changes September Q & As Scale markings Painting vs decals Making own engine use RC CL Rohm Air retract control unitApril issue update October Janaco servo unit November Nationals coverage December Posting scores Scale meets Scale jet models Sam Abdow Please send CL Scale items Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 79 17275 mph Kohaniuk slowed down 2799 kmh 17319 mph put him fifth place technical side contest competitors used old-style Rossi 15s Bulgarians using latest type Zanin & Vita Italy ever-improving OPS Halman UK ownmade motor steel pipe surprise week Rus sians own-made motors Kohaniuk three different prototypes latest in-flight rpm counter five-port AAC aluminum liner alumi num piston chrome-plated liner built perfection Second-place Schelkalin four-port masterpiece Pisarchuk excellent Rossi copy Most competitors used exhaust timing December 1 985 1 71 between 1880 1940 transfers l28 1350 36000 rpm target en tries used single-blade propellers Hungarians Bulgarians used wood Russians preferred carbon fiber/epoxy Sidewinder asymmetric models suction tanks flown ex cept three upright Kingfishers Pisarchuk USSR Ritenburger Holland Schmidt FRG using centrifugal fuel switches pressure tanks Pipes Rossi OPS homemade small tailpipe diameters between 4mm 5mm various volumes lengths suit individual engine would like thank Ken Morrissey helping pull information together generous hospitality friendship recent visit England Results European Control Line Championships FAI Class FZASpeed Individual Performance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A Kohamuk S Schelkalin J Moinar S Szegedi I Mult H Kitipov Y Pisarchuck G Nowakowski 0 Kabbakov T Choinacki P Halman S Zanin A Rachwal o vita J Horvath T Assen P Rietbergen R McGladdery I Schmidt N Bjork 0 Kejellberg R Forstner P Eisner J Magne F Marksteiner J Valo 0 Urban T Borer USSR USSR Hungary Hungary Hungary Bulgaria USSR Poland Bulgaria Poland UK Italy Poland Italy Italy Bulgaria Netheri UK ERG Sweden Sweden FRO UK France Austria Finland Switz Switz knib 28190 27930 27820 27800 277 10 27170 27050 26930 26770 26490 26390 26350 26280 25620 25550 25260 24640 24410 24410 24390 23780 21660 21150 0 0 0 0 0 mph 17517 17356 17287 17275 17219 16883 16809 167 34 16635 16461 16399 16374 16330 15920 15877 15697 15311 15168 15168 15156 14777 13460 13143 0 0 0 0 0 Team Results 1 2tJSSR diic 4hu1aHa S.5Itaiy 6 UniiedKingdom 7 Sweden NEWp oIDD U8 Federal Republic Germany DNA IRIc WUW9 Netherlands ELECTRICt10 Astria AS POWEREDcoer1and __niand r.TX 75042 fl Hempel 301 N Yale Dr Garland REAl R/C TRAINER GRANDMA CAN FLYCL Aerobatics/Fancher 2-3 CHANNEL RADIO 49 Inch SPAN Continued page 76 05 ELECTRIC 049 tO 15 GAS pushrod behind washer CATALOG $200NI $3995solder together unit 1958 beautiful brand-new Thunder bird its first contest snagged line tar strip projecting between concrete slabs tarmac line snapped ship turned circle took off snapped other line became temporary Free Flight Solution Inspect flying site hazards Weeds tie-down holes power lines trees sprinklers own tool boxes stooge qualify 1973 destroyed brand new origi nal destined Nat Ufrough first number failures dreaded steel quick-clevis pushrod connector Solution Dont use spring-steel pushrod connectors Stunt ships 1975 Nats top Ver tical Eight during practice steel pushrod clevis broke Result Instant spectator Solution Dont use darn things Stunt ships Just prior last flight 1979 Team Trials broke line during pull test resulting twisted control horn lousy flight no free trip Poland Solution Inspect replace con trol lines regularly same ship Excitation destroyed 1980 Nats just prior Walker Cup flyoff whenyou guessed ita spring-steel pushrod connector broke Solution Dont use darn things Stunt ships Just prior World Championships Sweden Excitation II crashed burned heavy-duty ball-type pushrod connector ball separate link embarrassed yet another control system breakdown lied everyone including own flying buddies clalming stooge accident takeoff culprit Solution must use ball-type pushrod connectorsand still doyou must provide backup means prevent ing link popping off ball Finally earlier month lost Celebration cable Baron Martine-style adjustable handle fatigued exits adjustment bar First down line broke after 20 30 side loops up-line cable also failed Fortunately ship flew short distance before impact no per son property damaged . sole competitive Stunt ship hopes representing country once again Solution Never assume since equipment sound last flight still sound thorough preflight visible components before flight necessity moral story simple nothing original chain strong its weakest link nowhere applicable magnifi cent flying machine have vested much time Spend good share 172 Model Aviation TAPER ACETM Rib Profiler makes tapered eliptical wing design easyl Works faster computerl Adjusts locks size rib instantly Curve plates provided draw 3 differeht full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 L ~atcnea rerrormance TOP PERFORMA K&B ENGINES Airplane Manrie K&B FUELS K&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGlASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN KgB SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Pec&D*Iai*, 619 44246I ~l 5UWW7FUU 619 4698675J BOX 2498-MA LA MESA CA 9204i1
Edition: Model Aviation - 1985/12
Page Numbers: 78, 79, 171, 172
Speed Gene Hempel SPECIAL REPORT report about place CL Speed action seems European scene European Control Line Flying Championships July 9-12 1985 Three Sisters Recreation Area Wigan Greater Manchester England Over 200 competitors representing 21 countries largest number ever com pete Britain converged Wigan dur ing first week July pit skills during European Control Line Flying Championships Twenty-eight fliers com peted FAI class F2A CL Speed new permanent flying site caged arenas electronic jury tower vibrated roar engines chatter tongues what became end week Friendly Cham pionships Under control Contest Director Ken Morrissey processing commenced Tuesday later teams short practice before serious flying started next day three-man Russian team came out showing real professionalism going circle man putting timed flight 270-plus kilometers per hour kmh1678 mph Disaster struck UK team Pete Halman broke crank pink best engine Paul Eisner lost wrist-pin-retaining circlip destroyed After several flights Hungary Poland Bulgaria knew battle recorded times around 270 kmh contest started Wednesday Round commenced windy con ditions 23 0C 47 humidity First-off Pisarchuk USSR failed line pulltest quickly followed Szegedi Hungary flight 2795 kmh 1736 mphwho disqualified high flying long-winged model proved dif ficult control wind Rachwal Poland followed no-flight McGladdery UK registered slow time 2441 kmh 15168 mph After such disastrous start rewarded superb flight Anatol Kohaniuk USSR 2819 kmh 17517 mph turned out winning flight contest Halman UK turned level 2639 kmh 16399 mph new crankshaft followed Schelkalin USSR 2793 kmh 17356 mph Molnar Hungary later day registered 2782 kmh 17287 mph Pisarchuk during reflight turned respectable 2705 kmh 16809 mph Kohanluks winning plane 28190 kmh17517 mph engine Note single-bladed carbon-fiber prop shape tuned pipe small size elevator relatively short asymmetrical wing Photo speed pan shows impeccable craftmanship suction fuel tank wire land ing skid View engine shows Inflight rpm sensor backplate An LCD readout ground gave actual rpms during flight 78 Model Aviation Aerial view new permanent flying site near Manchester England used European Control Line Flying Championships Note central circle fully paved has safety enclosure Adjacent circle grassfor Combat Truly marvelous facility Three Russian homemade enginesthe two top Kohanluks look venturis R quite Interesting fuel-tube designlplacement 25cc15 cu Thursday Round Two started once Pisarchucks Rossi-copy homemade engine displayed beautiful craftsmanship again increasing windy conditions 20 0C 57% humidity First off Vita Italy new OPS registering 2562 kmh 15920 mph followed Schelkalin repeating first round time 2793 kmh Later Kitipov Bulgaria came close heels 2717 kmh 17356 mph contest stopped midday FAI jury check wind speed proved well within required limit FAI rules permit wind speed up 12 meters/sec268 mphbefore contest may interrupt ed limit 9 meters/sec Free Flight Friday Round Three commenced windy conditions easing slightly 21 0C 62% humidity Zanin Italy flew first followed Chojnacki Poland increased first-round time 2649 kmh 16461 mph Szegedi Hungary improved 27800 kmh Continued page 171 December 1985 79 Schelkalins engine won second place Note shape rear cylinder fins Photo right shows porting chrome-plated-brass sleeve alurn num piston oinar i-Iungary came third 2782 kmh 17287 mph Look length asymmetrical wingl Dolly simple Italys Vita pull-tests model Bulgarian team LR Kitipoy Kab Bulgarias Kabbakoy ninth bakoy Assen placed fourth speed 26770 mph 16635 mph Peter 1-lalman UK used homemade engine steel tuned pipe 26390 kmh 16399 mph Oie Kejeiiberg Sweden used three upright-engine models meet Finlands Valo used upright engine rare inboard-mounted stabilizer Realize Genuine Improvement RC Flying Geometron Transmitter Support Completely frees hands control sticks levers nothing way Allows concentrate flying because dont have hold transmitter operating controls Provides full tour corner stick mobility Improves accuracy stick movement because transmitter held stable Adjusts two-stick transmitter modifications Simple adjustments arm length shoulder size Transmitter secured safety catch can removed replaced second yet cannot accidentally fall out p Extremely comfortable use wear Put take off instant hat No bets buckles straps no cord around neck Wearing support transmitter stays place carry plane Doubles ideal ground support otters perfect accessibility keeps transmitter off ground Ruggedly built heat treated aluminum finished heavy duty anodize Assembled stainless steel fasteners Designed constructed extended use695O HASE ALL THREE ITEMS $995Q $99Q See dealer order direct GEOMETRON CO INC 12 INGLESIDE ROAD LEXINGTON MASSACHUSETrS O1 73 617 861-6526 PIus $150 shppsg coo 200 addmonal cash o soses oder ooIv Charses aDslv sf10 coshsOntai US Mass resuents add 5c LCD TIMER/STOPWATCH Counts up down preset hold additive features Time out sounds alarm auto shut off Easy read outdoors lithium battery 21 95* PROTECTIVE BAG Made space age aluminum coated nylon Reflects suns heat protects Tx dirt and4 dust special fast acting closure ONCE YOU USE IT YOU WILL NEVER FLY WITHOUT IT resubmission proposed rules would appear inter ested CL Electric flight have eventpromotion job ahead event made official during next rulesmaking cycle starts January 1986 Scale Board turned down proposed rules Executive Council has recognized growing interest Electric flight establishing Elec tric Flight Advisory Committee should great help contest boards during 1986-1987 rules cycle evaluating new proposals Watch future issues Model Aviation Com petition Newsletter section listing district representatives would also suggest write district Scale Board member telling him interest let him know youre out might also write about activities National Association Scale Aeromodelers NASA John R Guenther RR 3 Box 261 Borden IN 47106 As special interest group Scale Modelers NASA can much help recommen dation rules proposals Scale Board too will can via col umn support promote CL Scale aspects Electric flight have send information data photos Hints workshop 1980 AMA rule book issued Scale model ers found new rule requiring have pilot models during flight pilot wasnt required model times us made pilot installation permanent especially Sport Scale models Bob Furr Orbiting Eagles Omaha makes following suggestion mounting pilot cockpit states us have used silicone rubber glue mount fuel tanks have considered some other things can Mounting plastic pilot very easily-accomplished silicone glue first step mounting process set pilot place draw its outline mounting surface using drill bit about 3/32 will drill generous number holes both mounting surface underside pilot Now spread good amount silicone rubber cement base pilot rubbing holes leav ing about 1/16-in thickness base Now same mounting sur face assemble two ce ment has cured forms equivalent rubber rivets will hold up well shock landings engine vibrations crashes 1982 Directory CL Scale Subjects September P-40 Sliding Canopy October Three-line handle modification engine cutoff stop pin Engine control rules changes November Nationals coverage December Conversion RC kits CL use Scale data sourceAero Publishers Detail Scale Series books 1983 Directory CL Scale Subjects January Engine mounting problems New muffler rule new sand ing tool February FAI rules changes Bob Underwood Turn off battery charger home auto-timer Use plastic odds ends spinners gun turret bub bles etc March Masking tape stencils Profiles Scale Juniors April Rohm Air retract control unit CL models Special decal designs silkspan May Scale documentation June Sorta Scale event Taxi problems wheel alignment Wheel pants binding tires Rules reminders competition July Engine overheating problems August Flap operation via servo FAI rules changes September Q & As Scale markings Painting vs decals Making own engine use RC CL Rohm Air retract control unitApril issue update October Janaco servo unit November Nationals coverage December Posting scores Scale meets Scale jet models Sam Abdow Please send CL Scale items Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Speed/Hempel Continued page 79 17275 mph Kohaniuk slowed down 2799 kmh 17319 mph put him fifth place technical side contest competitors used old-style Rossi 15s Bulgarians using latest type Zanin & Vita Italy ever-improving OPS Halman UK ownmade motor steel pipe surprise week Rus sians own-made motors Kohaniuk three different prototypes latest in-flight rpm counter five-port AAC aluminum liner alumi num piston chrome-plated liner built perfection Second-place Schelkalin four-port masterpiece Pisarchuk excellent Rossi copy Most competitors used exhaust timing December 1 985 1 71 between 1880 1940 transfers l28 1350 36000 rpm target en tries used single-blade propellers Hungarians Bulgarians used wood Russians preferred carbon fiber/epoxy Sidewinder asymmetric models suction tanks flown ex cept three upright Kingfishers Pisarchuk USSR Ritenburger Holland Schmidt FRG using centrifugal fuel switches pressure tanks Pipes Rossi OPS homemade small tailpipe diameters between 4mm 5mm various volumes lengths suit individual engine would like thank Ken Morrissey helping pull information together generous hospitality friendship recent visit England Results European Control Line Championships FAI Class FZASpeed Individual Performance 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 A Kohamuk S Schelkalin J Moinar S Szegedi I Mult H Kitipov Y Pisarchuck G Nowakowski 0 Kabbakov T Choinacki P Halman S Zanin A Rachwal o vita J Horvath T Assen P Rietbergen R McGladdery I Schmidt N Bjork 0 Kejellberg R Forstner P Eisner J Magne F Marksteiner J Valo 0 Urban T Borer USSR USSR Hungary Hungary Hungary Bulgaria USSR Poland Bulgaria Poland UK Italy Poland Italy Italy Bulgaria Netheri UK ERG Sweden Sweden FRO UK France Austria Finland Switz Switz knib 28190 27930 27820 27800 277 10 27170 27050 26930 26770 26490 26390 26350 26280 25620 25550 25260 24640 24410 24410 24390 23780 21660 21150 0 0 0 0 0 mph 17517 17356 17287 17275 17219 16883 16809 167 34 16635 16461 16399 16374 16330 15920 15877 15697 15311 15168 15168 15156 14777 13460 13143 0 0 0 0 0 Team Results 1 2tJSSR diic 4hu1aHa S.5Itaiy 6 UniiedKingdom 7 Sweden NEWp oIDD U8 Federal Republic Germany DNA IRIc WUW9 Netherlands ELECTRICt10 Astria AS POWEREDcoer1and __niand r.TX 75042 fl Hempel 301 N Yale Dr Garland REAl R/C TRAINER GRANDMA CAN FLYCL Aerobatics/Fancher 2-3 CHANNEL RADIO 49 Inch SPAN Continued page 76 05 ELECTRIC 049 tO 15 GAS pushrod behind washer CATALOG $200NI $3995solder together unit 1958 beautiful brand-new Thunder bird its first contest snagged line tar strip projecting between concrete slabs tarmac line snapped ship turned circle took off snapped other line became temporary Free Flight Solution Inspect flying site hazards Weeds tie-down holes power lines trees sprinklers own tool boxes stooge qualify 1973 destroyed brand new origi nal destined Nat Ufrough first number failures dreaded steel quick-clevis pushrod connector Solution Dont use spring-steel pushrod connectors Stunt ships 1975 Nats top Ver tical Eight during practice steel pushrod clevis broke Result Instant spectator Solution Dont use darn things Stunt ships Just prior last flight 1979 Team Trials broke line during pull test resulting twisted control horn lousy flight no free trip Poland Solution Inspect replace con trol lines regularly same ship Excitation destroyed 1980 Nats just prior Walker Cup flyoff whenyou guessed ita spring-steel pushrod connector broke Solution Dont use darn things Stunt ships Just prior World Championships Sweden Excitation II crashed burned heavy-duty ball-type pushrod connector ball separate link embarrassed yet another control system breakdown lied everyone including own flying buddies clalming stooge accident takeoff culprit Solution must use ball-type pushrod connectorsand still doyou must provide backup means prevent ing link popping off ball Finally earlier month lost Celebration cable Baron Martine-style adjustable handle fatigued exits adjustment bar First down line broke after 20 30 side loops up-line cable also failed Fortunately ship flew short distance before impact no per son property damaged . sole competitive Stunt ship hopes representing country once again Solution Never assume since equipment sound last flight still sound thorough preflight visible components before flight necessity moral story simple nothing original chain strong its weakest link nowhere applicable magnifi cent flying machine have vested much time Spend good share 172 Model Aviation TAPER ACETM Rib Profiler makes tapered eliptical wing design easyl Works faster computerl Adjusts locks size rib instantly Curve plates provided draw 3 differeht full symmetrical 3 different semi-symmetrical airfoils Flat bottom airfoils can also drawn Send check MO $2795 Jim Denaro 543 Bedford Street Concord MA 01742 L ~atcnea rerrormance TOP PERFORMA K&B ENGINES Airplane Manrie K&B FUELS K&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGlASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN KgB SUPER POXY THINNER K&B SUPER POXY PRIMER K&B SUPER FOXY PAINT K&B MIXING CUPS Pec&D*Iai*, 619 44246I ~l 5UWW7FUU 619 4698675J BOX 2498-MA LA MESA CA 9204i1