NEW GOODIES youre just miss out trick goodies proba bly time has now come replacement ABC piston/liner sets Fox engines al ready delivery Some local SoCal fliers using during recent gettogether performance seems par MeCollum setup price should around $75 will also get Venturi connecting rodor about $20 less want take chance stock rod breaking ruin ing day last heard Pete Athans distributor high-tech setup price/delivery details should worked out time next column hits streets just cant wait can watch MACA Miniature Aircraft Combat Associa tion newsletteror contact Pete AMA Combat goes berserk Yep just thought performance level Fast Combat couldnt escalate someone comes along little touch pushes edge envelope little further Out Steve Hills has pioneered use carbon-fiber arrow shafts lightweight superstrong tail boom hole drilled through center wing rib shaft plugged Since theres little weight aft possible push engine way backand thats just what has done prop close wing model its scary trying hold during launch Give Slow Combat model day Performance right up best best owing good design healthy engine Almost everyone has healthy engine days too stockers getting trophies ABC setups Australian cranks fuel regulators 40%-50% nitro bladder rule day destruction Fast Combat partly caused increase per formance seemed causing drop attend ance event recently sheer wild ness competition seems have drawn new old fliers back fray Guys never would have thought about flying Control Line taldng up Combat just because wild cats meowl Soviets winning Com bat engine Its light powerful steadyrunning exhaust port aims up other down Note screw-in head clamp over size needle-adjustment wheel light metal mounts streamer hook attached rear hold-down boft physicaland $1000 $2000 prizes dont hurt either time dont have look back golden agebecause youre now Bladder Grabber North South Money Nats new money meet Florida seem have either success great potential Looking recent CL World Champion ships American Combat team great time Soviet Union taking second team spot just couldnt go home squaring off against No 1 team special eventthe first annual America versus Russia Combat Continued page 186 76 Model Aviation Control 0 Line Combat Charlie Johnson 3716 Ingraham St San Diego CA 92109 USA-vs-Soviet Union Combat Challenge held following CL World Champs Kiev Russia Combatants included pitmen WC competitors supporters USAs Mack Henry L Circle Marshal World Champs again year did excellent job Hes holding t/2A ver sion Doroshenkos Center FAI model 1986 World Champion Combat flier Nicholal Former World Champions Believ Doro Necheukhin L ace pit man Dimitri shenko flank 1988 Champion Faizov Could pose photo way model Faizov read something Model processing 88 Nicholai 3rd time Aviation hes holding gave him edge winning title wants two copies magazine advertising work Gary Arnold L model brought especially Challenge Doroshenko center former European Champion Vernon Hunt right member FAI Jury 88 World Champs SHIRTS & HATS PERSONALIZED R/C FASHIONS HATS $895 COLORS RedNary GoldWhile CoL Bhe STYLE #103 L3T3 GO FLYING T-SHIRTS $1095 YOUR NAME UPPER LEFT SIZES SM L XL ~ STYLE #102 STYLE #105 STYLE #154 T-SHIRTS SHORT SLEEVE Coeeoo & Polycele Bleed COLORS WhileSloe Soarbe Orees SOon STYL #10 SWEATSHIRTS $1695 ColIsa & Polyeele Blend COLOER WIne Ie Sloe Silve ISP sW L Oeeo Yelloro CALL OUR 24 HOUR PHONE 303 770-6306 TO PLACE ORDERS REQUEST BROCHURE $200 Shipping & Handling ChargeCODs Add S300 Continental USCO Residents Add 3% Sales Tax 3 ITEMS SHIPPED POSTAGE PEE-PAIDAS Monies US dollars SEND SASE FOR FREE COLOR BROCHURE HOBBY SHIRTS & HATS PO BOX 2497 LITrLETON CO 80161 CL Scale/Boss Continued page 183 1988 Rules-change discussion Flap operating system Bill Old ham May Discussion craftsmanship NASA President John Guenther Hiding fuel tank filler tubes Workshop hint Bob Furr Hard emng carbide cuffing disks Documentation Source Scale Model Research June Report WRAM Show 1988 Contest activities July Use Silastic rubber-molding ma terial casting resin making special model parts VISA AugustImportance Scale documenta tion six-step procedure put ting model presentation together Mike Welshans SeptemberUpdate NASA Presidents views craftsmanship Helpful hints Sam Abdow improving engine cowling Scale appearance OctoberBasics three-line control system presented Mike Welshans Contest activity note neighboring coun try November1988 Nationals report Dick Perry DecemberScale modeling fun Dave Dulaltis Helpful hints includes use wood-turning lathe micromesh polishing taking pictures pictures color documentation CL Combat/Johnson Continued page 76 matches rather informal meet allowed com petitors pitmen supporters chance show stuff free-for-all likes weve seen since California-versus-theWorld match 1971 Nats Dozens models spread around cir cle pilots out near center just wait ing break action could go up Some eager went up three-at-atime Gary Arnold brought couple models just bash frantically worked get en gines mounted everything hooked up before rains came turned out Gary made first test flight model match Oleg Doroshenko Doroshenko got best him Rich Lopez came defense led Oleg ground About hour festivities rain came down Soviets packed up stuff got vans Americans stayed out rain hoping best eventually re alized rain wasnt going away Soviets thought wed gotten vans like should have upon finding out rain vans entire Soviet team leaped out vans insisted get out rain seemed embarrassed guests overlooked though choice Soviets sincerity hospi tality will long remembered well kin ship between two rival teams pictures can see Soviets others fly much different equipment Americans What appear very simple models fact very precision-built airplanes lots pieces detail done perfectly mounting system lead-out guides drilled extreme rake re movable pit crew needs switch right wing make plane flyable again af ter collision foam leading edge favored So viets balsa ribs clear covering foam covered type graph paper strength small feet placed against foam ribs butt against Hardwood used trailing edge Some used external controls very lightweight bellcranks All-up weight about same Tom Flukers mod els ounce save engine weight made up structural strength al lowed demolish lesser aircraft sur vive ground impact covering material superior anything use fact very hard find edge overlapped shrinks up tight doesnt seem sag need smuggle some out Soviet Union twin-exhaust-stack Combat engine latest best line ultralightweight powerful Russian engines stack above below leading edge its possible push engine back against leading edge wing burning away foam add ing some sort deflector round-exhaust engine better choice works engine whereas square-exhaust en gine production much slower en gines feature screw-in head clamp re moved special tool having fingers plug clamp Pitmen spent lot 186 Model Aviation SIC CAPS R/C POol Win5s Oae Pool Sorarebled EW Os Sit 0014 Esobroidered April Statement Ownership Management Circulation Required 39 USC 3685 lA Title Publication Model Aviation 1 B Publication No 087930 2 Date Filing September 23 1988 3 Frequency iaaue Monthly A No iaauea publiahed annually 12 B Annual aubacription price $1800 4 Complete Mailing Addreaa Known Office Pub lication atreet city county atate ZIP code printera 1810 Samuel Morae Dr Reaton VA 22090 5 Complete mailing addreaa headquartera general buaineaa officea publiaher printer 1810 Samuel Morae Dr Reaton VA 22090 6 Full namea complete mailing addreaa pub liaher editor managing editor thia item muat left blank Publiaher Carl R Wheeley 1810 Samuel Morae Dr Reaton VA 22090 Editor Carl R Wheeley 1810 Samuel Morae Dr Reaton VA 22090 Managing editor None 7 Owner Academy Model Aeronautica Inc 1810 Samuel Morae Dr Reaton VA 22090 8 Known bondholdera mortgageea other ae curity holdera owning holding 1 percent total amount bonda mortgagea other aecuritiea None 9 For completion nonprofit organizationa autho rized mail apecial ratea DMM Section 42312 purpoae function nonprofit atatua thia organization exempt atatua Fed eral income tax purpoaea 1 Haa changed during preceding 12 montha Extent Nature Circulation 10 Actual AverageNo copNo cop-iea iea aingle iaaue dur- aue pub ing pre- liahed ceding 12 neareat montha filing date ATotal No Copiea Net Preaa Run104835117100 B Paid and/or Requeated Circulation 1 Salea through dealera carriera atreet vendora counter aalea35053712 2 Mail Subscription98360110767 CTotal Paid and/or Re queated Circulation Sum lOBi 1082101885114479 DFree Diatribution Mail Carrier Other Meana Samplea Com plimentary Other Free Copiea20722022 ETotal Diatribution Sum ofCandD103937116501 F Copiea Diatributed 1 Oftice uae left over unaccounted apoiled after print ing627562 2 Returna Newa Agenta27137 G Total Sum E Fl 2ahould equal net preaa run ahown A104835117100 11 certify atatementa made cor rect complete Carl R Wheeley Editor Publiaher time pulling off head between flights change gaskets inserts order tune en gine varying atmospheric conditions nicest features engines oversize wheel used turn needle valve doesnt have locking collet Instead piece tubing used both seal needle keep turning its own model easily held left hand needle ad justed thumb wheel also posi tioned very close crankcase wouldnt broken off during crash Russian teams dorm took sev eral engines apart found nothing Out dinary Nelson probably powerful Soviet engine lighter Whatever prop pitch Americans ran So viets probably used about pitch judg ing airspeed Russians rarely ever got up top speed always turn accelerating away opponents Soviets accelerated away about 450 angle go ing up until clear contrast other fliers im mediately turned back before getting clear seems AMA Slow Combat just beg ging some FAI-style flying Cut pitch down dont worry about top speed Only worry about turns accelerating out Higher engine rpm suction fuel sys tem means better fuel draw ability use slightly bigger venturiwhich adds power 4mm-venturi-diameter rule went effect FAI fast guys de pitched props enough keep rpm same level open venturi Rather run Slow engine 15000 rpm might hot tip depitch prop run up 1900020000 Nowhere Soviets have bigger advan tage training Weve talked about its being advisable US teams weve never done much about Russians facility Chaika five six weeks before competition spent day in dividual practice flying matches against teammates mechanics expertise really showed flew during half-hour offi cial practice time allotted team suffering single midair collision Soviet fliers able place models exactly wanted change course time 1988 US Combat team prac ticed well-prepared have gone CL World Championships still lacked precision months daily practice brings Fortunately equipment natural talents pulled through case Tom Fluker almost got him repeat world champion ti tle Look closely pictures models Think about applying FAI style flying Slow Combat can arrange boss six-week vacation before 1989 Nats well probably see victory circle Top Fun/Wuif Continued page 80 twin rudders add lot appear ance model will job prefer Cut out /5-in sheet round off front top rear edges glue place top stabilizer Use angle jig keep two rudders identical should offset just bit model will want turn right Wing Select another flat sheet mediumweight 1R-in balsa trim off leading edges wing sweepback Glue two pennies outboard wing tip weight Make up belicrank mount leadout guide -in plywood glue securely place Notch wing rubberbands stabilizer notches keep wing aligned fuselage too important Install dowels fuselage tach wing rubberbands Fit 2in bellcrank mount using its original bolt begin bending pushrod Start making Z bend end hook ing bellcrank bend back stabilizer shown side view Mount /2A control horn elevator carefully bend pushrod right length needs done correctly dont hesitate make couple until youre satisfied Continue bending wire make nose strut main gear nose strut will mount between firewall en gine main gear will held place wing latter mounted rubberbands Add wheels struts hold spring keep ers Making firewall difficult building task model Saw out tA-in plywood add notches shown latter crucial because keep engine flying offi Drill holes engine Finishing final assembly Remove rubberbands give wood parts final sanding Apply two coats sanding sealer sanding between coats comes designing color scheme can take creative license whether choose camouflage pattern brighter air show scheme Make sure edges get coat palnt avoid bare spots assembled model Band stabilizer elevator together same wing main landing gear Mount engine firewall nose gear between fasten firewall securely rubberbands wing fuselage firewall joints need well secured wont come apart flight Make sure have enough rubberbands job everything banded securely together add propeller try balance model nose heavy youre okay model balances tail down need add some nose weight Wrap solder wire nose strut until model balances bit nose down Balance model holding wing tips 14 leading edge Before setting out flying field tach lead-out lines bellerank should made same nylon cord flying lines Pack flying box lots rubberbands fuel 188 Model Aviation
Edition: Model Aviation - 1989/01
Page Numbers: 76, 186, 188
NEW GOODIES youre just miss out trick goodies proba bly time has now come replacement ABC piston/liner sets Fox engines al ready delivery Some local SoCal fliers using during recent gettogether performance seems par MeCollum setup price should around $75 will also get Venturi connecting rodor about $20 less want take chance stock rod breaking ruin ing day last heard Pete Athans distributor high-tech setup price/delivery details should worked out time next column hits streets just cant wait can watch MACA Miniature Aircraft Combat Associa tion newsletteror contact Pete AMA Combat goes berserk Yep just thought performance level Fast Combat couldnt escalate someone comes along little touch pushes edge envelope little further Out Steve Hills has pioneered use carbon-fiber arrow shafts lightweight superstrong tail boom hole drilled through center wing rib shaft plugged Since theres little weight aft possible push engine way backand thats just what has done prop close wing model its scary trying hold during launch Give Slow Combat model day Performance right up best best owing good design healthy engine Almost everyone has healthy engine days too stockers getting trophies ABC setups Australian cranks fuel regulators 40%-50% nitro bladder rule day destruction Fast Combat partly caused increase per formance seemed causing drop attend ance event recently sheer wild ness competition seems have drawn new old fliers back fray Guys never would have thought about flying Control Line taldng up Combat just because wild cats meowl Soviets winning Com bat engine Its light powerful steadyrunning exhaust port aims up other down Note screw-in head clamp over size needle-adjustment wheel light metal mounts streamer hook attached rear hold-down boft physicaland $1000 $2000 prizes dont hurt either time dont have look back golden agebecause youre now Bladder Grabber North South Money Nats new money meet Florida seem have either success great potential Looking recent CL World Champion ships American Combat team great time Soviet Union taking second team spot just couldnt go home squaring off against No 1 team special eventthe first annual America versus Russia Combat Continued page 186 76 Model Aviation Control 0 Line Combat Charlie Johnson 3716 Ingraham St San Diego CA 92109 USA-vs-Soviet Union Combat Challenge held following CL World Champs Kiev Russia Combatants included pitmen WC competitors supporters USAs Mack Henry L Circle Marshal World Champs again year did excellent job Hes holding t/2A ver sion Doroshenkos Center FAI model 1986 World Champion Combat flier Nicholal Former World Champions Believ Doro Necheukhin L ace pit man Dimitri shenko flank 1988 Champion Faizov Could pose photo way model Faizov read something Model processing 88 Nicholai 3rd time Aviation hes holding gave him edge winning title wants two copies magazine advertising work Gary Arnold L model brought especially Challenge Doroshenko center former European Champion Vernon Hunt right member FAI Jury 88 World Champs SHIRTS & HATS PERSONALIZED R/C FASHIONS HATS $895 COLORS RedNary GoldWhile CoL Bhe STYLE #103 L3T3 GO FLYING T-SHIRTS $1095 YOUR NAME UPPER LEFT SIZES SM L XL ~ STYLE #102 STYLE #105 STYLE #154 T-SHIRTS SHORT SLEEVE Coeeoo & Polycele Bleed COLORS WhileSloe Soarbe Orees SOon STYL #10 SWEATSHIRTS $1695 ColIsa & Polyeele Blend COLOER WIne Ie Sloe Silve ISP sW L Oeeo Yelloro CALL OUR 24 HOUR PHONE 303 770-6306 TO PLACE ORDERS REQUEST BROCHURE $200 Shipping & Handling ChargeCODs Add S300 Continental USCO Residents Add 3% Sales Tax 3 ITEMS SHIPPED POSTAGE PEE-PAIDAS Monies US dollars SEND SASE FOR FREE COLOR BROCHURE HOBBY SHIRTS & HATS PO BOX 2497 LITrLETON CO 80161 CL Scale/Boss Continued page 183 1988 Rules-change discussion Flap operating system Bill Old ham May Discussion craftsmanship NASA President John Guenther Hiding fuel tank filler tubes Workshop hint Bob Furr Hard emng carbide cuffing disks Documentation Source Scale Model Research June Report WRAM Show 1988 Contest activities July Use Silastic rubber-molding ma terial casting resin making special model parts VISA AugustImportance Scale documenta tion six-step procedure put ting model presentation together Mike Welshans SeptemberUpdate NASA Presidents views craftsmanship Helpful hints Sam Abdow improving engine cowling Scale appearance OctoberBasics three-line control system presented Mike Welshans Contest activity note neighboring coun try November1988 Nationals report Dick Perry DecemberScale modeling fun Dave Dulaltis Helpful hints includes use wood-turning lathe micromesh polishing taking pictures pictures color documentation CL Combat/Johnson Continued page 76 matches rather informal meet allowed com petitors pitmen supporters chance show stuff free-for-all likes weve seen since California-versus-theWorld match 1971 Nats Dozens models spread around cir cle pilots out near center just wait ing break action could go up Some eager went up three-at-atime Gary Arnold brought couple models just bash frantically worked get en gines mounted everything hooked up before rains came turned out Gary made first test flight model match Oleg Doroshenko Doroshenko got best him Rich Lopez came defense led Oleg ground About hour festivities rain came down Soviets packed up stuff got vans Americans stayed out rain hoping best eventually re alized rain wasnt going away Soviets thought wed gotten vans like should have upon finding out rain vans entire Soviet team leaped out vans insisted get out rain seemed embarrassed guests overlooked though choice Soviets sincerity hospi tality will long remembered well kin ship between two rival teams pictures can see Soviets others fly much different equipment Americans What appear very simple models fact very precision-built airplanes lots pieces detail done perfectly mounting system lead-out guides drilled extreme rake re movable pit crew needs switch right wing make plane flyable again af ter collision foam leading edge favored So viets balsa ribs clear covering foam covered type graph paper strength small feet placed against foam ribs butt against Hardwood used trailing edge Some used external controls very lightweight bellcranks All-up weight about same Tom Flukers mod els ounce save engine weight made up structural strength al lowed demolish lesser aircraft sur vive ground impact covering material superior anything use fact very hard find edge overlapped shrinks up tight doesnt seem sag need smuggle some out Soviet Union twin-exhaust-stack Combat engine latest best line ultralightweight powerful Russian engines stack above below leading edge its possible push engine back against leading edge wing burning away foam add ing some sort deflector round-exhaust engine better choice works engine whereas square-exhaust en gine production much slower en gines feature screw-in head clamp re moved special tool having fingers plug clamp Pitmen spent lot 186 Model Aviation SIC CAPS R/C POol Win5s Oae Pool Sorarebled EW Os Sit 0014 Esobroidered April Statement Ownership Management Circulation Required 39 USC 3685 lA Title Publication Model Aviation 1 B Publication No 087930 2 Date Filing September 23 1988 3 Frequency iaaue Monthly A No iaauea publiahed annually 12 B Annual aubacription price $1800 4 Complete Mailing Addreaa Known Office Pub lication atreet city county atate ZIP code printera 1810 Samuel Morae Dr Reaton VA 22090 5 Complete mailing addreaa headquartera general buaineaa officea publiaher printer 1810 Samuel Morae Dr Reaton VA 22090 6 Full namea complete mailing addreaa pub liaher editor managing editor thia item muat left blank Publiaher Carl R Wheeley 1810 Samuel Morae Dr Reaton VA 22090 Editor Carl R Wheeley 1810 Samuel Morae Dr Reaton VA 22090 Managing editor None 7 Owner Academy Model Aeronautica Inc 1810 Samuel Morae Dr Reaton VA 22090 8 Known bondholdera mortgageea other ae curity holdera owning holding 1 percent total amount bonda mortgagea other aecuritiea None 9 For completion nonprofit organizationa autho rized mail apecial ratea DMM Section 42312 purpoae function nonprofit atatua thia organization exempt atatua Fed eral income tax purpoaea 1 Haa changed during preceding 12 montha Extent Nature Circulation 10 Actual AverageNo copNo cop-iea iea aingle iaaue dur- aue pub ing pre- liahed ceding 12 neareat montha filing date ATotal No Copiea Net Preaa Run104835117100 B Paid and/or Requeated Circulation 1 Salea through dealera carriera atreet vendora counter aalea35053712 2 Mail Subscription98360110767 CTotal Paid and/or Re queated Circulation Sum lOBi 1082101885114479 DFree Diatribution Mail Carrier Other Meana Samplea Com plimentary Other Free Copiea20722022 ETotal Diatribution Sum ofCandD103937116501 F Copiea Diatributed 1 Oftice uae left over unaccounted apoiled after print ing627562 2 Returna Newa Agenta27137 G Total Sum E Fl 2ahould equal net preaa run ahown A104835117100 11 certify atatementa made cor rect complete Carl R Wheeley Editor Publiaher time pulling off head between flights change gaskets inserts order tune en gine varying atmospheric conditions nicest features engines oversize wheel used turn needle valve doesnt have locking collet Instead piece tubing used both seal needle keep turning its own model easily held left hand needle ad justed thumb wheel also posi tioned very close crankcase wouldnt broken off during crash Russian teams dorm took sev eral engines apart found nothing Out dinary Nelson probably powerful Soviet engine lighter Whatever prop pitch Americans ran So viets probably used about pitch judg ing airspeed Russians rarely ever got up top speed always turn accelerating away opponents Soviets accelerated away about 450 angle go ing up until clear contrast other fliers im mediately turned back before getting clear seems AMA Slow Combat just beg ging some FAI-style flying Cut pitch down dont worry about top speed Only worry about turns accelerating out Higher engine rpm suction fuel sys tem means better fuel draw ability use slightly bigger venturiwhich adds power 4mm-venturi-diameter rule went effect FAI fast guys de pitched props enough keep rpm same level open venturi Rather run Slow engine 15000 rpm might hot tip depitch prop run up 1900020000 Nowhere Soviets have bigger advan tage training Weve talked about its being advisable US teams weve never done much about Russians facility Chaika five six weeks before competition spent day in dividual practice flying matches against teammates mechanics expertise really showed flew during half-hour offi cial practice time allotted team suffering single midair collision Soviet fliers able place models exactly wanted change course time 1988 US Combat team prac ticed well-prepared have gone CL World Championships still lacked precision months daily practice brings Fortunately equipment natural talents pulled through case Tom Fluker almost got him repeat world champion ti tle Look closely pictures models Think about applying FAI style flying Slow Combat can arrange boss six-week vacation before 1989 Nats well probably see victory circle Top Fun/Wuif Continued page 80 twin rudders add lot appear ance model will job prefer Cut out /5-in sheet round off front top rear edges glue place top stabilizer Use angle jig keep two rudders identical should offset just bit model will want turn right Wing Select another flat sheet mediumweight 1R-in balsa trim off leading edges wing sweepback Glue two pennies outboard wing tip weight Make up belicrank mount leadout guide -in plywood glue securely place Notch wing rubberbands stabilizer notches keep wing aligned fuselage too important Install dowels fuselage tach wing rubberbands Fit 2in bellcrank mount using its original bolt begin bending pushrod Start making Z bend end hook ing bellcrank bend back stabilizer shown side view Mount /2A control horn elevator carefully bend pushrod right length needs done correctly dont hesitate make couple until youre satisfied Continue bending wire make nose strut main gear nose strut will mount between firewall en gine main gear will held place wing latter mounted rubberbands Add wheels struts hold spring keep ers Making firewall difficult building task model Saw out tA-in plywood add notches shown latter crucial because keep engine flying offi Drill holes engine Finishing final assembly Remove rubberbands give wood parts final sanding Apply two coats sanding sealer sanding between coats comes designing color scheme can take creative license whether choose camouflage pattern brighter air show scheme Make sure edges get coat palnt avoid bare spots assembled model Band stabilizer elevator together same wing main landing gear Mount engine firewall nose gear between fasten firewall securely rubberbands wing fuselage firewall joints need well secured wont come apart flight Make sure have enough rubberbands job everything banded securely together add propeller try balance model nose heavy youre okay model balances tail down need add some nose weight Wrap solder wire nose strut until model balances bit nose down Balance model holding wing tips 14 leading edge Before setting out flying field tach lead-out lines bellerank should made same nylon cord flying lines Pack flying box lots rubberbands fuel 188 Model Aviation
Edition: Model Aviation - 1989/01
Page Numbers: 76, 186, 188
NEW GOODIES youre just miss out trick goodies proba bly time has now come replacement ABC piston/liner sets Fox engines al ready delivery Some local SoCal fliers using during recent gettogether performance seems par MeCollum setup price should around $75 will also get Venturi connecting rodor about $20 less want take chance stock rod breaking ruin ing day last heard Pete Athans distributor high-tech setup price/delivery details should worked out time next column hits streets just cant wait can watch MACA Miniature Aircraft Combat Associa tion newsletteror contact Pete AMA Combat goes berserk Yep just thought performance level Fast Combat couldnt escalate someone comes along little touch pushes edge envelope little further Out Steve Hills has pioneered use carbon-fiber arrow shafts lightweight superstrong tail boom hole drilled through center wing rib shaft plugged Since theres little weight aft possible push engine way backand thats just what has done prop close wing model its scary trying hold during launch Give Slow Combat model day Performance right up best best owing good design healthy engine Almost everyone has healthy engine days too stockers getting trophies ABC setups Australian cranks fuel regulators 40%-50% nitro bladder rule day destruction Fast Combat partly caused increase per formance seemed causing drop attend ance event recently sheer wild ness competition seems have drawn new old fliers back fray Guys never would have thought about flying Control Line taldng up Combat just because wild cats meowl Soviets winning Com bat engine Its light powerful steadyrunning exhaust port aims up other down Note screw-in head clamp over size needle-adjustment wheel light metal mounts streamer hook attached rear hold-down boft physicaland $1000 $2000 prizes dont hurt either time dont have look back golden agebecause youre now Bladder Grabber North South Money Nats new money meet Florida seem have either success great potential Looking recent CL World Champion ships American Combat team great time Soviet Union taking second team spot just couldnt go home squaring off against No 1 team special eventthe first annual America versus Russia Combat Continued page 186 76 Model Aviation Control 0 Line Combat Charlie Johnson 3716 Ingraham St San Diego CA 92109 USA-vs-Soviet Union Combat Challenge held following CL World Champs Kiev Russia Combatants included pitmen WC competitors supporters USAs Mack Henry L Circle Marshal World Champs again year did excellent job Hes holding t/2A ver sion Doroshenkos Center FAI model 1986 World Champion Combat flier Nicholal Former World Champions Believ Doro Necheukhin L ace pit man Dimitri shenko flank 1988 Champion Faizov Could pose photo way model Faizov read something Model processing 88 Nicholai 3rd time Aviation hes holding gave him edge winning title wants two copies magazine advertising work Gary Arnold L model brought especially Challenge Doroshenko center former European Champion Vernon Hunt right member FAI Jury 88 World Champs SHIRTS & HATS PERSONALIZED R/C FASHIONS HATS $895 COLORS RedNary GoldWhile CoL Bhe STYLE #103 L3T3 GO FLYING T-SHIRTS $1095 YOUR NAME UPPER LEFT SIZES SM L XL ~ STYLE #102 STYLE #105 STYLE #154 T-SHIRTS SHORT SLEEVE Coeeoo & Polycele Bleed COLORS WhileSloe Soarbe Orees SOon STYL #10 SWEATSHIRTS $1695 ColIsa & Polyeele Blend COLOER WIne Ie Sloe Silve ISP sW L Oeeo Yelloro CALL OUR 24 HOUR PHONE 303 770-6306 TO PLACE ORDERS REQUEST BROCHURE $200 Shipping & Handling ChargeCODs Add S300 Continental USCO Residents Add 3% Sales Tax 3 ITEMS SHIPPED POSTAGE PEE-PAIDAS Monies US dollars SEND SASE FOR FREE COLOR BROCHURE HOBBY SHIRTS & HATS PO BOX 2497 LITrLETON CO 80161 CL Scale/Boss Continued page 183 1988 Rules-change discussion Flap operating system Bill Old ham May Discussion craftsmanship NASA President John Guenther Hiding fuel tank filler tubes Workshop hint Bob Furr Hard emng carbide cuffing disks Documentation Source Scale Model Research June Report WRAM Show 1988 Contest activities July Use Silastic rubber-molding ma terial casting resin making special model parts VISA AugustImportance Scale documenta tion six-step procedure put ting model presentation together Mike Welshans SeptemberUpdate NASA Presidents views craftsmanship Helpful hints Sam Abdow improving engine cowling Scale appearance OctoberBasics three-line control system presented Mike Welshans Contest activity note neighboring coun try November1988 Nationals report Dick Perry DecemberScale modeling fun Dave Dulaltis Helpful hints includes use wood-turning lathe micromesh polishing taking pictures pictures color documentation CL Combat/Johnson Continued page 76 matches rather informal meet allowed com petitors pitmen supporters chance show stuff free-for-all likes weve seen since California-versus-theWorld match 1971 Nats Dozens models spread around cir cle pilots out near center just wait ing break action could go up Some eager went up three-at-atime Gary Arnold brought couple models just bash frantically worked get en gines mounted everything hooked up before rains came turned out Gary made first test flight model match Oleg Doroshenko Doroshenko got best him Rich Lopez came defense led Oleg ground About hour festivities rain came down Soviets packed up stuff got vans Americans stayed out rain hoping best eventually re alized rain wasnt going away Soviets thought wed gotten vans like should have upon finding out rain vans entire Soviet team leaped out vans insisted get out rain seemed embarrassed guests overlooked though choice Soviets sincerity hospi tality will long remembered well kin ship between two rival teams pictures can see Soviets others fly much different equipment Americans What appear very simple models fact very precision-built airplanes lots pieces detail done perfectly mounting system lead-out guides drilled extreme rake re movable pit crew needs switch right wing make plane flyable again af ter collision foam leading edge favored So viets balsa ribs clear covering foam covered type graph paper strength small feet placed against foam ribs butt against Hardwood used trailing edge Some used external controls very lightweight bellcranks All-up weight about same Tom Flukers mod els ounce save engine weight made up structural strength al lowed demolish lesser aircraft sur vive ground impact covering material superior anything use fact very hard find edge overlapped shrinks up tight doesnt seem sag need smuggle some out Soviet Union twin-exhaust-stack Combat engine latest best line ultralightweight powerful Russian engines stack above below leading edge its possible push engine back against leading edge wing burning away foam add ing some sort deflector round-exhaust engine better choice works engine whereas square-exhaust en gine production much slower en gines feature screw-in head clamp re moved special tool having fingers plug clamp Pitmen spent lot 186 Model Aviation SIC CAPS R/C POol Win5s Oae Pool Sorarebled EW Os Sit 0014 Esobroidered April Statement Ownership Management Circulation Required 39 USC 3685 lA Title Publication Model Aviation 1 B Publication No 087930 2 Date Filing September 23 1988 3 Frequency iaaue Monthly A No iaauea publiahed annually 12 B Annual aubacription price $1800 4 Complete Mailing Addreaa Known Office Pub lication atreet city county atate ZIP code printera 1810 Samuel Morae Dr Reaton VA 22090 5 Complete mailing addreaa headquartera general buaineaa officea publiaher printer 1810 Samuel Morae Dr Reaton VA 22090 6 Full namea complete mailing addreaa pub liaher editor managing editor thia item muat left blank Publiaher Carl R Wheeley 1810 Samuel Morae Dr Reaton VA 22090 Editor Carl R Wheeley 1810 Samuel Morae Dr Reaton VA 22090 Managing editor None 7 Owner Academy Model Aeronautica Inc 1810 Samuel Morae Dr Reaton VA 22090 8 Known bondholdera mortgageea other ae curity holdera owning holding 1 percent total amount bonda mortgagea other aecuritiea None 9 For completion nonprofit organizationa autho rized mail apecial ratea DMM Section 42312 purpoae function nonprofit atatua thia organization exempt atatua Fed eral income tax purpoaea 1 Haa changed during preceding 12 montha Extent Nature Circulation 10 Actual AverageNo copNo cop-iea iea aingle iaaue dur- aue pub ing pre- liahed ceding 12 neareat montha filing date ATotal No Copiea Net Preaa Run104835117100 B Paid and/or Requeated Circulation 1 Salea through dealera carriera atreet vendora counter aalea35053712 2 Mail Subscription98360110767 CTotal Paid and/or Re queated Circulation Sum lOBi 1082101885114479 DFree Diatribution Mail Carrier Other Meana Samplea Com plimentary Other Free Copiea20722022 ETotal Diatribution Sum ofCandD103937116501 F Copiea Diatributed 1 Oftice uae left over unaccounted apoiled after print ing627562 2 Returna Newa Agenta27137 G Total Sum E Fl 2ahould equal net preaa run ahown A104835117100 11 certify atatementa made cor rect complete Carl R Wheeley Editor Publiaher time pulling off head between flights change gaskets inserts order tune en gine varying atmospheric conditions nicest features engines oversize wheel used turn needle valve doesnt have locking collet Instead piece tubing used both seal needle keep turning its own model easily held left hand needle ad justed thumb wheel also posi tioned very close crankcase wouldnt broken off during crash Russian teams dorm took sev eral engines apart found nothing Out dinary Nelson probably powerful Soviet engine lighter Whatever prop pitch Americans ran So viets probably used about pitch judg ing airspeed Russians rarely ever got up top speed always turn accelerating away opponents Soviets accelerated away about 450 angle go ing up until clear contrast other fliers im mediately turned back before getting clear seems AMA Slow Combat just beg ging some FAI-style flying Cut pitch down dont worry about top speed Only worry about turns accelerating out Higher engine rpm suction fuel sys tem means better fuel draw ability use slightly bigger venturiwhich adds power 4mm-venturi-diameter rule went effect FAI fast guys de pitched props enough keep rpm same level open venturi Rather run Slow engine 15000 rpm might hot tip depitch prop run up 1900020000 Nowhere Soviets have bigger advan tage training Weve talked about its being advisable US teams weve never done much about Russians facility Chaika five six weeks before competition spent day in dividual practice flying matches against teammates mechanics expertise really showed flew during half-hour offi cial practice time allotted team suffering single midair collision Soviet fliers able place models exactly wanted change course time 1988 US Combat team prac ticed well-prepared have gone CL World Championships still lacked precision months daily practice brings Fortunately equipment natural talents pulled through case Tom Fluker almost got him repeat world champion ti tle Look closely pictures models Think about applying FAI style flying Slow Combat can arrange boss six-week vacation before 1989 Nats well probably see victory circle Top Fun/Wuif Continued page 80 twin rudders add lot appear ance model will job prefer Cut out /5-in sheet round off front top rear edges glue place top stabilizer Use angle jig keep two rudders identical should offset just bit model will want turn right Wing Select another flat sheet mediumweight 1R-in balsa trim off leading edges wing sweepback Glue two pennies outboard wing tip weight Make up belicrank mount leadout guide -in plywood glue securely place Notch wing rubberbands stabilizer notches keep wing aligned fuselage too important Install dowels fuselage tach wing rubberbands Fit 2in bellcrank mount using its original bolt begin bending pushrod Start making Z bend end hook ing bellcrank bend back stabilizer shown side view Mount /2A control horn elevator carefully bend pushrod right length needs done correctly dont hesitate make couple until youre satisfied Continue bending wire make nose strut main gear nose strut will mount between firewall en gine main gear will held place wing latter mounted rubberbands Add wheels struts hold spring keep ers Making firewall difficult building task model Saw out tA-in plywood add notches shown latter crucial because keep engine flying offi Drill holes engine Finishing final assembly Remove rubberbands give wood parts final sanding Apply two coats sanding sealer sanding between coats comes designing color scheme can take creative license whether choose camouflage pattern brighter air show scheme Make sure edges get coat palnt avoid bare spots assembled model Band stabilizer elevator together same wing main landing gear Mount engine firewall nose gear between fasten firewall securely rubberbands wing fuselage firewall joints need well secured wont come apart flight Make sure have enough rubberbands job everything banded securely together add propeller try balance model nose heavy youre okay model balances tail down need add some nose weight Wrap solder wire nose strut until model balances bit nose down Balance model holding wing tips 14 leading edge Before setting out flying field tach lead-out lines bellerank should made same nylon cord flying lines Pack flying box lots rubberbands fuel 188 Model Aviation