DUE curse publishing lead time time read epistle will likely know results 1988 Virginia Nats also Kiev Russia CL World Championships Unfortunately write late June new ship Nats aint done old ship needs really good engine old reflexes just dont seem what used find time go prac tice just received engine Tom Lay T&L Specialties guarantees mon ster Id really much rather out running However duty calls stand clear another month Stunt stuff received well-deserved rebuke George Lieb Omaha NE relative August colunm dealt curing hunting Stunt ship quite properly stated common cause hunting especially newer Stunt fliers con trol system too sensitive handle move ment Georges comments particularly apt since turned out precisely problem bedeviling modeler com plaint planted seed colurtm first place Shortly after call chanced get together Northwest Re gional Championships Eugene OR morial Day weekend modeler way novice very adept upeoming Advanced flier serious con trol problem managed very well-deserved third place Advanced problem result out-pro Stunting himself new technology lack understanding devel oped clever new control system replaced bellcrank two-pulley-and-sliding-bar mechanism Unfortunately system resulted very fast control response wherein inch time months issue MA reaches may new World Champion Stunter Paul Walkers Atlantis Power hybrid OS power plant using 4OFP piston liner 4OFSR case Photo Jim Cameron lead-out displacement resulted inch pushrod travel bottom line oW tamed full elevator deflection about inchand-a-half lead-out movement response rate much too fast Lets take look what about avoid Often new Stunt flier will incorrectly assume since wants turn tight corners must have control setup gives mucho flap elevator deflection minimovement control handle Wrong fact its wrong couple reasons First alland real quickly since doesnt really fit discussion huntingit wrong because such setup seriously lacking mechanical advantage over airloads Continued page 171 70 Model Aviation Conoi Line Aerobatics Ted Fancher 158 FlyIng Cloud Isle Foster City CA 94404 QohI Aahl Germanys Claus Maikis clearly fan biplane Stunters Duetto latest com petition machine uses ST 46 power weIghs 53 oz has 620 sq wing area clearly seen external couplers joining flaps upper lower wings Malkis plc Bob Palmer-designed 1954 Pow Pow first classic-era series Stunt kits now being marketed Control Line Classics 1788 Niobe Ave Anaheim CA 92804 Price reflects todays realities producing quality kit pails sawn sanded shape $5995 plus shipping Only 35 years ago would have about $695 Pow Wow has 598-sq-in wing Pail Stunt lineup 1988 North west Regional Championships Eugene ORAll planes row far leff belong toJim Hoffmans Mesa AZ ST 60-powered fliers have members ofStunter disassembles easy transport nations FAI Stunt team Front-to-relatively small container can go Rear Paul Walkers Atlantis Alanthe airlines regular checked baggage Resingers Canada Tucker Specialnot excess baggage higher cost maybe Fanchers Citation V Kaz Minatos Japannot one-piece planes Blue Max Photo Jim CameronPhoto Jim Hoffman ROCKET CAR Full size plans car run lii yds 3 sad 26 lang Builds day real BLASTI $700 SURETECH E Iiey Pkwy Suite 31 Escondido CA 92025 BA AR AB ARCRAFT 40 TO 51 SIZE MH RH55 soon SSdigSI SSooIdo-VVVS H RH65 ApAn Topeed Shooder-osng 570 s5 o. 45055 lbs. FibeSAss CoosPing ii Oeo Fl0 As Tr-GC o TojIdrogge NTRODUCTORY PRICE AMXP 401 HANDLING MC VISA COD KINGOWAY ENTEnPRISES A4SO6WILOACRES HOUSTON 15 77072 IA Send Ston nor complete line 1 J.U L4TIIES 7 MTLLS MET5LS OO0S PSECISION INSTRUMENTS COMPLETE CATOSLOG $200 __2ISSMSeIso Rood Sprongfsnld noo 45500 Compa--... 13 3220562 WORLOS 5100555 SCALE PHOTO SSSVtCS I500 551010 SACKS PLANS 3 VISWS PHOTO-PACKS PLANS mNLAROING SASS EnIssoIna Pepinos CatalOg *4-00 60 pagesSCALE PLANS Ed PHOTO SEHICE 3200 Madrono Gemssbnnn NC 27403 Fhosse1l015l 2025239 INn colinosI sure field CL Aerobatics/Fancher Continued page 70 elevators flaps deflected though controls respond abruptly ground quite possible airloads will prevent doing air because system high gear Its kind like try ing get car climb hill fifth gear dead stop terms discussion wrong because allows very small handle inputs cause rela tively large control deflection Thus minor correc tions handle cause aircraft respond desiredespecially airplane otherwise precisely trimmed As dis cussed August column overcontrolling out-of-trim situation level flight will compounded ship will nearly impossi ble fly rails level flight Heres rule thumb evaluate whether too sensitive controls might problem ship IMPORTANT rule thumb sumes using handle approximately four-inch spacing between Up Down lines Most commercially available handles within fraction measure have spac ing approximates opinion nearly ideal spacing stroke genius maker now defunct EZ-Just Hot Rock han die sure wish back Measure far lead-out moves go ing full Up elevator full Down sumes have normal 350450 both Up Down elevator travel Ideally leadout should move somewhere between 2 three inches using 3-in bellcrank tween 2 3 using 4-in crank smaller number would acceptably fast re sponse larger acceptably slow Most fliers could adapt response rates range Anything much slower will very un responsive normal handle movements worst may make geometrically impossi ble obtain full control deflection should needed Anything faster other hand may indi cate hunting problem caused toofast controls two ways address latter prob lem completed model best way de sensitize control system plane itself should accomplished either moving belicrank-to-flap pushrod closer bellcrank pivot easiest further flap pi vot hinge line simple profile would require cutting ship built-in con trols choose go route until get appropriate amount lead-out travel simpler less efficient method less effi cient because does nothing cure problem mechanical advantage over airloads narrow distance between Up Down lines adjustable handle As space reduced given amount handle deflection causes less control deflection thus desensitizing control feel pilot fix can probably used down minimum two inches tween lead-outs Anything less will reduce feel handle unacceptable level fall hope take time address control system completely hope helps meantime profession airline pilot flew lanta layovers month able arrange flying session PAMPA President October 1988 171 Hobby Radio NC process reorganizing Radios deposits being returned Any inquiries should directed Hobby Radio NC 401 Lillian Rd Wilson NC 27893 IHDESTRUCTA3LE FF ORNITIIOPTER Ready FLY right out boxi FInally DaVIncIs greateat creatIon workal tiapa l way up heavy duty rub ber motor Included glldee back down Only *12E plue *250 58HSKY 3ADV MC VISAN64 11th Terrace 5E Dealer Inquirlea Welcomelargo FL 34641 PAW DIESELS Englands Finest 049 35 RIC STD Send $100 list Eric Clutton 913 Cedar Lane Tuilahoma Tgnn 37388 G C Co 1 I rn z 0 z z C 0 -a 0 -a m m 0 Q -I CD Cn C 0 C 0 Co 31 rah 0 N 0 4 ae 0 U x 0 mel mel N AIR WOLF EPOXY FIBERGLASS FUSELAGES TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 Z t booster extraordinaire Tom Dixon After three four flights new Sig Mag num very impressed couple items First airplane itself very compet itive machinemuch felt other Magni have privileged fly told Tom much liked response ship said wasnt surprised reason harkens back first discussion month control response rates Tom felt control setup a& shown Magnum plans construction booldet too sensitive Still using Sig three-inch bellcrank kit drilled new hole t attaching pushrod flap horn pushrod attached flap horn inch hinge line The-flap-toelevator pushrod installed equidistant respective hinge lines give one-to-one flap-to-elevator deflection ratio resulted what would call moderately acceptable range lead-out movement proved very pleas ant fly never sensitive always re sponsive second impressive item engine Toms Magnum Royal 40s sells Royal Schnuerle-ported ABC aluminum piston running brass liner has chrome plated engine en gine almost direct copy OS 4OFSR very popular couple years un til ST 60 became engine amongst AnhiqUBa color OTauo 50000 picures . KOKU-I-Ara 2-VIOWS 0911 awings stock Stunt cognoscenti stars Although very powerful earlier Schnuerle ported engines several characteristics undesirable minds serious Stunt fliers first tendency break two-cycle stay engines designed high performance high rpm didnt take kindly attempts make Fox 35s out second almost Schnuerle ported engines characteristic running rich inside portions figure eights twocycling outsides made task fly ing equal-sized insides outsides difficult impossible personally gave up reason Toms Royal 40 seems have eliminated both defects Magnum weighed hefty 59 oz flown 69-ft center-of-airplane-to handle lines Lap times 54-second range tension outstanding times hot dead-calm air flew say impressed understatement absolutely no tendency run awayquite opposite fact flew about minute continuous round square eights dur ing engine would break out two-cycle appropriate times fi nally brought back level flight returned its original four-cycle level-flight speed iminedi ately engine earned final star book required four-and-a-quarter ounces 10%-nitro fuel perform pattern am firm believer minimizing fuel burn reduce CG change during pattern engine certainly fills bill regard Although Tom didnt qulte wean off ST 46s hes sure working Since ST practical purposes ex tinct feel Royal may its heir apparent BEN BUCKLE OLD TIME PLANS IMPORTED DIESELS ARE NOW AVAILABLE IN THE USA AMAuroraDCEOMVVSMUieanyaASP 199089 CATALOG 5400 3 CATALOGS 59QQ PAWTapIIn Standard OaS400 Aero Marine VlntageSp@rt est ILED Send $100 information CARLSON ENGINE IMPORTS 614 East MarcomiSUPERELFBIPE-PLANS2BOO 80 SPANTO7S4S ENLARGED VERSION OF I9370RIGINAL BY FRANK ENLING PhoenIx AZ 85022SOSHOLMAN 50X741 MA SANSERNA5DINOCABO402 like myself sold domi nance 60 Control Line Stunt can bet Ill getting testing fall Tom performs minor modification tim ing engines sets up Stunt use price around hundred bucks cur rently may change currency exchange rates youre interested contact him Suite 4011938 Peachtree Road Atlanta GA 30309 final item month should make stateside biplane enthusiast Chuck Holtzapple stand up take notice good friend faithful correspondent Claus Maikis Uim West Germany sent pictures new Duetto biplane Stunt ship explains name Duetto stating should end once enquiries whether original Stunters modified Stilletos Claus says ship now flying getting trimmed out has already won contest against good European competition ship illustrates its potential feels however ship wasnt really up scores re ceived often happens innova tive impressive new Stunters perhaps judges tendency react very positively plane itself rather precision its maneuvers Claus feels ship although impressive equal good monoplane Stunter descriptions however sounds like performance yet wrung out concept expect between Claus Chuck should get pretty good idea merits breed within next year hope both considering construction arti cles ships after get trimmed full capability Heck dont fly too great sure look slick CL Scale/Boss Continued page 71 would rather see model starts its takeoff slow rollout under controlled power climbs slowly air reaches full throttle lap two throttles back reason able flight speed proper flight altitude tained completes prescribed number flight laps descends under throttle control touch-and-go controlled landing finally taxi lap simulating planes return tiedown area hangar Unless youre seeing Scale models quickiy returned kit form ob vious answer has throttle-controlled flight Mike noted throttle control systems used 172 Model Aviation catalog 5100 UE RIDGE - MACHINERY8 TOOLS P0 Boo 536-v nHurricanB VIN 25526 ~ off Bracomplete selection lathes milig 50018 1119 Aviation ModBlBr Large Scale Miniature Aircraft Design Drawings Herb Hall IMAA 1444 1 1/S5caleAsrancaC3-8Swing2700/pp 2 1/5 scale 5BC-3 Ilelldiver 85 wing Ripe3000/pp 32-5/ltScaleSSO-SDaantleea-53wing30tO/pp 41/B Scale AD3 05 Daaglas 5kyaida3000/pp B High Wing Esainne, Dee Plane2000/pp Send 200 fn eonplete aetaleg ter OP Systems Inc 1542 Tattenhull Heusten TX 77004 /713/9994840171318540S4S
Edition: Model Aviation - 1988/10
Page Numbers: 70, 171, 172
Edition: Model Aviation - 1988/10
Page Numbers: 70, 171, 172
DUE curse publishing lead time time read epistle will likely know results 1988 Virginia Nats also Kiev Russia CL World Championships Unfortunately write late June new ship Nats aint done old ship needs really good engine old reflexes just dont seem what used find time go prac tice just received engine Tom Lay T&L Specialties guarantees mon ster Id really much rather out running However duty calls stand clear another month Stunt stuff received well-deserved rebuke George Lieb Omaha NE relative August colunm dealt curing hunting Stunt ship quite properly stated common cause hunting especially newer Stunt fliers con trol system too sensitive handle move ment Georges comments particularly apt since turned out precisely problem bedeviling modeler com plaint planted seed colurtm first place Shortly after call chanced get together Northwest Re gional Championships Eugene OR morial Day weekend modeler way novice very adept upeoming Advanced flier serious con trol problem managed very well-deserved third place Advanced problem result out-pro Stunting himself new technology lack understanding devel oped clever new control system replaced bellcrank two-pulley-and-sliding-bar mechanism Unfortunately system resulted very fast control response wherein inch time months issue MA reaches may new World Champion Stunter Paul Walkers Atlantis Power hybrid OS power plant using 4OFP piston liner 4OFSR case Photo Jim Cameron lead-out displacement resulted inch pushrod travel bottom line oW tamed full elevator deflection about inchand-a-half lead-out movement response rate much too fast Lets take look what about avoid Often new Stunt flier will incorrectly assume since wants turn tight corners must have control setup gives mucho flap elevator deflection minimovement control handle Wrong fact its wrong couple reasons First alland real quickly since doesnt really fit discussion huntingit wrong because such setup seriously lacking mechanical advantage over airloads Continued page 171 70 Model Aviation Conoi Line Aerobatics Ted Fancher 158 FlyIng Cloud Isle Foster City CA 94404 QohI Aahl Germanys Claus Maikis clearly fan biplane Stunters Duetto latest com petition machine uses ST 46 power weIghs 53 oz has 620 sq wing area clearly seen external couplers joining flaps upper lower wings Malkis plc Bob Palmer-designed 1954 Pow Pow first classic-era series Stunt kits now being marketed Control Line Classics 1788 Niobe Ave Anaheim CA 92804 Price reflects todays realities producing quality kit pails sawn sanded shape $5995 plus shipping Only 35 years ago would have about $695 Pow Wow has 598-sq-in wing Pail Stunt lineup 1988 North west Regional Championships Eugene ORAll planes row far leff belong toJim Hoffmans Mesa AZ ST 60-powered fliers have members ofStunter disassembles easy transport nations FAI Stunt team Front-to-relatively small container can go Rear Paul Walkers Atlantis Alanthe airlines regular checked baggage Resingers Canada Tucker Specialnot excess baggage higher cost maybe Fanchers Citation V Kaz Minatos Japannot one-piece planes Blue Max Photo Jim CameronPhoto Jim Hoffman ROCKET CAR Full size plans car run lii yds 3 sad 26 lang Builds day real BLASTI $700 SURETECH E Iiey Pkwy Suite 31 Escondido CA 92025 BA AR AB ARCRAFT 40 TO 51 SIZE MH RH55 soon SSdigSI SSooIdo-VVVS H RH65 ApAn Topeed Shooder-osng 570 s5 o. 45055 lbs. FibeSAss CoosPing ii Oeo Fl0 As Tr-GC o TojIdrogge NTRODUCTORY PRICE AMXP 401 HANDLING MC VISA COD KINGOWAY ENTEnPRISES A4SO6WILOACRES HOUSTON 15 77072 IA Send Ston nor complete line 1 J.U L4TIIES 7 MTLLS MET5LS OO0S PSECISION INSTRUMENTS COMPLETE CATOSLOG $200 __2ISSMSeIso Rood Sprongfsnld noo 45500 Compa--... 13 3220562 WORLOS 5100555 SCALE PHOTO SSSVtCS I500 551010 SACKS PLANS 3 VISWS PHOTO-PACKS PLANS mNLAROING SASS EnIssoIna Pepinos CatalOg *4-00 60 pagesSCALE PLANS Ed PHOTO SEHICE 3200 Madrono Gemssbnnn NC 27403 Fhosse1l015l 2025239 INn colinosI sure field CL Aerobatics/Fancher Continued page 70 elevators flaps deflected though controls respond abruptly ground quite possible airloads will prevent doing air because system high gear Its kind like try ing get car climb hill fifth gear dead stop terms discussion wrong because allows very small handle inputs cause rela tively large control deflection Thus minor correc tions handle cause aircraft respond desiredespecially airplane otherwise precisely trimmed As dis cussed August column overcontrolling out-of-trim situation level flight will compounded ship will nearly impossi ble fly rails level flight Heres rule thumb evaluate whether too sensitive controls might problem ship IMPORTANT rule thumb sumes using handle approximately four-inch spacing between Up Down lines Most commercially available handles within fraction measure have spac ing approximates opinion nearly ideal spacing stroke genius maker now defunct EZ-Just Hot Rock han die sure wish back Measure far lead-out moves go ing full Up elevator full Down sumes have normal 350450 both Up Down elevator travel Ideally leadout should move somewhere between 2 three inches using 3-in bellcrank tween 2 3 using 4-in crank smaller number would acceptably fast re sponse larger acceptably slow Most fliers could adapt response rates range Anything much slower will very un responsive normal handle movements worst may make geometrically impossi ble obtain full control deflection should needed Anything faster other hand may indi cate hunting problem caused toofast controls two ways address latter prob lem completed model best way de sensitize control system plane itself should accomplished either moving belicrank-to-flap pushrod closer bellcrank pivot easiest further flap pi vot hinge line simple profile would require cutting ship built-in con trols choose go route until get appropriate amount lead-out travel simpler less efficient method less effi cient because does nothing cure problem mechanical advantage over airloads narrow distance between Up Down lines adjustable handle As space reduced given amount handle deflection causes less control deflection thus desensitizing control feel pilot fix can probably used down minimum two inches tween lead-outs Anything less will reduce feel handle unacceptable level fall hope take time address control system completely hope helps meantime profession airline pilot flew lanta layovers month able arrange flying session PAMPA President October 1988 171 Hobby Radio NC process reorganizing Radios deposits being returned Any inquiries should directed Hobby Radio NC 401 Lillian Rd Wilson NC 27893 IHDESTRUCTA3LE FF ORNITIIOPTER Ready FLY right out boxi FInally DaVIncIs greateat creatIon workal tiapa l way up heavy duty rub ber motor Included glldee back down Only *12E plue *250 58HSKY 3ADV MC VISAN64 11th Terrace 5E Dealer Inquirlea Welcomelargo FL 34641 PAW DIESELS Englands Finest 049 35 RIC STD Send $100 list Eric Clutton 913 Cedar Lane Tuilahoma Tgnn 37388 G C Co 1 I rn z 0 z z C 0 -a 0 -a m m 0 Q -I CD Cn C 0 C 0 Co 31 rah 0 N 0 4 ae 0 U x 0 mel mel N AIR WOLF EPOXY FIBERGLASS FUSELAGES TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 Z t booster extraordinaire Tom Dixon After three four flights new Sig Mag num very impressed couple items First airplane itself very compet itive machinemuch felt other Magni have privileged fly told Tom much liked response ship said wasnt surprised reason harkens back first discussion month control response rates Tom felt control setup a& shown Magnum plans construction booldet too sensitive Still using Sig three-inch bellcrank kit drilled new hole t attaching pushrod flap horn pushrod attached flap horn inch hinge line The-flap-toelevator pushrod installed equidistant respective hinge lines give one-to-one flap-to-elevator deflection ratio resulted what would call moderately acceptable range lead-out movement proved very pleas ant fly never sensitive always re sponsive second impressive item engine Toms Magnum Royal 40s sells Royal Schnuerle-ported ABC aluminum piston running brass liner has chrome plated engine en gine almost direct copy OS 4OFSR very popular couple years un til ST 60 became engine amongst AnhiqUBa color OTauo 50000 picures . KOKU-I-Ara 2-VIOWS 0911 awings stock Stunt cognoscenti stars Although very powerful earlier Schnuerle ported engines several characteristics undesirable minds serious Stunt fliers first tendency break two-cycle stay engines designed high performance high rpm didnt take kindly attempts make Fox 35s out second almost Schnuerle ported engines characteristic running rich inside portions figure eights twocycling outsides made task fly ing equal-sized insides outsides difficult impossible personally gave up reason Toms Royal 40 seems have eliminated both defects Magnum weighed hefty 59 oz flown 69-ft center-of-airplane-to handle lines Lap times 54-second range tension outstanding times hot dead-calm air flew say impressed understatement absolutely no tendency run awayquite opposite fact flew about minute continuous round square eights dur ing engine would break out two-cycle appropriate times fi nally brought back level flight returned its original four-cycle level-flight speed iminedi ately engine earned final star book required four-and-a-quarter ounces 10%-nitro fuel perform pattern am firm believer minimizing fuel burn reduce CG change during pattern engine certainly fills bill regard Although Tom didnt qulte wean off ST 46s hes sure working Since ST practical purposes ex tinct feel Royal may its heir apparent BEN BUCKLE OLD TIME PLANS IMPORTED DIESELS ARE NOW AVAILABLE IN THE USA AMAuroraDCEOMVVSMUieanyaASP 199089 CATALOG 5400 3 CATALOGS 59QQ PAWTapIIn Standard OaS400 Aero Marine VlntageSp@rt est ILED Send $100 information CARLSON ENGINE IMPORTS 614 East MarcomiSUPERELFBIPE-PLANS2BOO 80 SPANTO7S4S ENLARGED VERSION OF I9370RIGINAL BY FRANK ENLING PhoenIx AZ 85022SOSHOLMAN 50X741 MA SANSERNA5DINOCABO402 like myself sold domi nance 60 Control Line Stunt can bet Ill getting testing fall Tom performs minor modification tim ing engines sets up Stunt use price around hundred bucks cur rently may change currency exchange rates youre interested contact him Suite 4011938 Peachtree Road Atlanta GA 30309 final item month should make stateside biplane enthusiast Chuck Holtzapple stand up take notice good friend faithful correspondent Claus Maikis Uim West Germany sent pictures new Duetto biplane Stunt ship explains name Duetto stating should end once enquiries whether original Stunters modified Stilletos Claus says ship now flying getting trimmed out has already won contest against good European competition ship illustrates its potential feels however ship wasnt really up scores re ceived often happens innova tive impressive new Stunters perhaps judges tendency react very positively plane itself rather precision its maneuvers Claus feels ship although impressive equal good monoplane Stunter descriptions however sounds like performance yet wrung out concept expect between Claus Chuck should get pretty good idea merits breed within next year hope both considering construction arti cles ships after get trimmed full capability Heck dont fly too great sure look slick CL Scale/Boss Continued page 71 would rather see model starts its takeoff slow rollout under controlled power climbs slowly air reaches full throttle lap two throttles back reason able flight speed proper flight altitude tained completes prescribed number flight laps descends under throttle control touch-and-go controlled landing finally taxi lap simulating planes return tiedown area hangar Unless youre seeing Scale models quickiy returned kit form ob vious answer has throttle-controlled flight Mike noted throttle control systems used 172 Model Aviation catalog 5100 UE RIDGE - MACHINERY8 TOOLS P0 Boo 536-v nHurricanB VIN 25526 ~ off Bracomplete selection lathes milig 50018 1119 Aviation ModBlBr Large Scale Miniature Aircraft Design Drawings Herb Hall IMAA 1444 1 1/S5caleAsrancaC3-8Swing2700/pp 2 1/5 scale 5BC-3 Ilelldiver 85 wing Ripe3000/pp 32-5/ltScaleSSO-SDaantleea-53wing30tO/pp 41/B Scale AD3 05 Daaglas 5kyaida3000/pp B High Wing Esainne, Dee Plane2000/pp Send 200 fn eonplete aetaleg ter OP Systems Inc 1542 Tattenhull Heusten TX 77004 /713/9994840171318540S4S
Edition: Model Aviation - 1988/10
Page Numbers: 70, 171, 172
DUE curse publishing lead time time read epistle will likely know results 1988 Virginia Nats also Kiev Russia CL World Championships Unfortunately write late June new ship Nats aint done old ship needs really good engine old reflexes just dont seem what used find time go prac tice just received engine Tom Lay T&L Specialties guarantees mon ster Id really much rather out running However duty calls stand clear another month Stunt stuff received well-deserved rebuke George Lieb Omaha NE relative August colunm dealt curing hunting Stunt ship quite properly stated common cause hunting especially newer Stunt fliers con trol system too sensitive handle move ment Georges comments particularly apt since turned out precisely problem bedeviling modeler com plaint planted seed colurtm first place Shortly after call chanced get together Northwest Re gional Championships Eugene OR morial Day weekend modeler way novice very adept upeoming Advanced flier serious con trol problem managed very well-deserved third place Advanced problem result out-pro Stunting himself new technology lack understanding devel oped clever new control system replaced bellcrank two-pulley-and-sliding-bar mechanism Unfortunately system resulted very fast control response wherein inch time months issue MA reaches may new World Champion Stunter Paul Walkers Atlantis Power hybrid OS power plant using 4OFP piston liner 4OFSR case Photo Jim Cameron lead-out displacement resulted inch pushrod travel bottom line oW tamed full elevator deflection about inchand-a-half lead-out movement response rate much too fast Lets take look what about avoid Often new Stunt flier will incorrectly assume since wants turn tight corners must have control setup gives mucho flap elevator deflection minimovement control handle Wrong fact its wrong couple reasons First alland real quickly since doesnt really fit discussion huntingit wrong because such setup seriously lacking mechanical advantage over airloads Continued page 171 70 Model Aviation Conoi Line Aerobatics Ted Fancher 158 FlyIng Cloud Isle Foster City CA 94404 QohI Aahl Germanys Claus Maikis clearly fan biplane Stunters Duetto latest com petition machine uses ST 46 power weIghs 53 oz has 620 sq wing area clearly seen external couplers joining flaps upper lower wings Malkis plc Bob Palmer-designed 1954 Pow Pow first classic-era series Stunt kits now being marketed Control Line Classics 1788 Niobe Ave Anaheim CA 92804 Price reflects todays realities producing quality kit pails sawn sanded shape $5995 plus shipping Only 35 years ago would have about $695 Pow Wow has 598-sq-in wing Pail Stunt lineup 1988 North west Regional Championships Eugene ORAll planes row far leff belong toJim Hoffmans Mesa AZ ST 60-powered fliers have members ofStunter disassembles easy transport nations FAI Stunt team Front-to-relatively small container can go Rear Paul Walkers Atlantis Alanthe airlines regular checked baggage Resingers Canada Tucker Specialnot excess baggage higher cost maybe Fanchers Citation V Kaz Minatos Japannot one-piece planes Blue Max Photo Jim CameronPhoto Jim Hoffman ROCKET CAR Full size plans car run lii yds 3 sad 26 lang Builds day real BLASTI $700 SURETECH E Iiey Pkwy Suite 31 Escondido CA 92025 BA AR AB ARCRAFT 40 TO 51 SIZE MH RH55 soon SSdigSI SSooIdo-VVVS H RH65 ApAn Topeed Shooder-osng 570 s5 o. 45055 lbs. FibeSAss CoosPing ii Oeo Fl0 As Tr-GC o TojIdrogge NTRODUCTORY PRICE AMXP 401 HANDLING MC VISA COD KINGOWAY ENTEnPRISES A4SO6WILOACRES HOUSTON 15 77072 IA Send Ston nor complete line 1 J.U L4TIIES 7 MTLLS MET5LS OO0S PSECISION INSTRUMENTS COMPLETE CATOSLOG $200 __2ISSMSeIso Rood Sprongfsnld noo 45500 Compa--... 13 3220562 WORLOS 5100555 SCALE PHOTO SSSVtCS I500 551010 SACKS PLANS 3 VISWS PHOTO-PACKS PLANS mNLAROING SASS EnIssoIna Pepinos CatalOg *4-00 60 pagesSCALE PLANS Ed PHOTO SEHICE 3200 Madrono Gemssbnnn NC 27403 Fhosse1l015l 2025239 INn colinosI sure field CL Aerobatics/Fancher Continued page 70 elevators flaps deflected though controls respond abruptly ground quite possible airloads will prevent doing air because system high gear Its kind like try ing get car climb hill fifth gear dead stop terms discussion wrong because allows very small handle inputs cause rela tively large control deflection Thus minor correc tions handle cause aircraft respond desiredespecially airplane otherwise precisely trimmed As dis cussed August column overcontrolling out-of-trim situation level flight will compounded ship will nearly impossi ble fly rails level flight Heres rule thumb evaluate whether too sensitive controls might problem ship IMPORTANT rule thumb sumes using handle approximately four-inch spacing between Up Down lines Most commercially available handles within fraction measure have spac ing approximates opinion nearly ideal spacing stroke genius maker now defunct EZ-Just Hot Rock han die sure wish back Measure far lead-out moves go ing full Up elevator full Down sumes have normal 350450 both Up Down elevator travel Ideally leadout should move somewhere between 2 three inches using 3-in bellcrank tween 2 3 using 4-in crank smaller number would acceptably fast re sponse larger acceptably slow Most fliers could adapt response rates range Anything much slower will very un responsive normal handle movements worst may make geometrically impossi ble obtain full control deflection should needed Anything faster other hand may indi cate hunting problem caused toofast controls two ways address latter prob lem completed model best way de sensitize control system plane itself should accomplished either moving belicrank-to-flap pushrod closer bellcrank pivot easiest further flap pi vot hinge line simple profile would require cutting ship built-in con trols choose go route until get appropriate amount lead-out travel simpler less efficient method less effi cient because does nothing cure problem mechanical advantage over airloads narrow distance between Up Down lines adjustable handle As space reduced given amount handle deflection causes less control deflection thus desensitizing control feel pilot fix can probably used down minimum two inches tween lead-outs Anything less will reduce feel handle unacceptable level fall hope take time address control system completely hope helps meantime profession airline pilot flew lanta layovers month able arrange flying session PAMPA President October 1988 171 Hobby Radio NC process reorganizing Radios deposits being returned Any inquiries should directed Hobby Radio NC 401 Lillian Rd Wilson NC 27893 IHDESTRUCTA3LE FF ORNITIIOPTER Ready FLY right out boxi FInally DaVIncIs greateat creatIon workal tiapa l way up heavy duty rub ber motor Included glldee back down Only *12E plue *250 58HSKY 3ADV MC VISAN64 11th Terrace 5E Dealer Inquirlea Welcomelargo FL 34641 PAW DIESELS Englands Finest 049 35 RIC STD Send $100 list Eric Clutton 913 Cedar Lane Tuilahoma Tgnn 37388 G C Co 1 I rn z 0 z z C 0 -a 0 -a m m 0 Q -I CD Cn C 0 C 0 Co 31 rah 0 N 0 4 ae 0 U x 0 mel mel N AIR WOLF EPOXY FIBERGLASS FUSELAGES TAKES MOST 50-60 MECHANICS OTHER MODELS AVAILABLE LARRY JOLLY MODEL PRODUCTS $20000 5501 WCOMO SANTA ANA CALIFORNIA 92703 714 826-6861 Z t booster extraordinaire Tom Dixon After three four flights new Sig Mag num very impressed couple items First airplane itself very compet itive machinemuch felt other Magni have privileged fly told Tom much liked response ship said wasnt surprised reason harkens back first discussion month control response rates Tom felt control setup a& shown Magnum plans construction booldet too sensitive Still using Sig three-inch bellcrank kit drilled new hole t attaching pushrod flap horn pushrod attached flap horn inch hinge line The-flap-toelevator pushrod installed equidistant respective hinge lines give one-to-one flap-to-elevator deflection ratio resulted what would call moderately acceptable range lead-out movement proved very pleas ant fly never sensitive always re sponsive second impressive item engine Toms Magnum Royal 40s sells Royal Schnuerle-ported ABC aluminum piston running brass liner has chrome plated engine en gine almost direct copy OS 4OFSR very popular couple years un til ST 60 became engine amongst AnhiqUBa color OTauo 50000 picures . KOKU-I-Ara 2-VIOWS 0911 awings stock Stunt cognoscenti stars Although very powerful earlier Schnuerle ported engines several characteristics undesirable minds serious Stunt fliers first tendency break two-cycle stay engines designed high performance high rpm didnt take kindly attempts make Fox 35s out second almost Schnuerle ported engines characteristic running rich inside portions figure eights twocycling outsides made task fly ing equal-sized insides outsides difficult impossible personally gave up reason Toms Royal 40 seems have eliminated both defects Magnum weighed hefty 59 oz flown 69-ft center-of-airplane-to handle lines Lap times 54-second range tension outstanding times hot dead-calm air flew say impressed understatement absolutely no tendency run awayquite opposite fact flew about minute continuous round square eights dur ing engine would break out two-cycle appropriate times fi nally brought back level flight returned its original four-cycle level-flight speed iminedi ately engine earned final star book required four-and-a-quarter ounces 10%-nitro fuel perform pattern am firm believer minimizing fuel burn reduce CG change during pattern engine certainly fills bill regard Although Tom didnt qulte wean off ST 46s hes sure working Since ST practical purposes ex tinct feel Royal may its heir apparent BEN BUCKLE OLD TIME PLANS IMPORTED DIESELS ARE NOW AVAILABLE IN THE USA AMAuroraDCEOMVVSMUieanyaASP 199089 CATALOG 5400 3 CATALOGS 59QQ PAWTapIIn Standard OaS400 Aero Marine VlntageSp@rt est ILED Send $100 information CARLSON ENGINE IMPORTS 614 East MarcomiSUPERELFBIPE-PLANS2BOO 80 SPANTO7S4S ENLARGED VERSION OF I9370RIGINAL BY FRANK ENLING PhoenIx AZ 85022SOSHOLMAN 50X741 MA SANSERNA5DINOCABO402 like myself sold domi nance 60 Control Line Stunt can bet Ill getting testing fall Tom performs minor modification tim ing engines sets up Stunt use price around hundred bucks cur rently may change currency exchange rates youre interested contact him Suite 4011938 Peachtree Road Atlanta GA 30309 final item month should make stateside biplane enthusiast Chuck Holtzapple stand up take notice good friend faithful correspondent Claus Maikis Uim West Germany sent pictures new Duetto biplane Stunt ship explains name Duetto stating should end once enquiries whether original Stunters modified Stilletos Claus says ship now flying getting trimmed out has already won contest against good European competition ship illustrates its potential feels however ship wasnt really up scores re ceived often happens innova tive impressive new Stunters perhaps judges tendency react very positively plane itself rather precision its maneuvers Claus feels ship although impressive equal good monoplane Stunter descriptions however sounds like performance yet wrung out concept expect between Claus Chuck should get pretty good idea merits breed within next year hope both considering construction arti cles ships after get trimmed full capability Heck dont fly too great sure look slick CL Scale/Boss Continued page 71 would rather see model starts its takeoff slow rollout under controlled power climbs slowly air reaches full throttle lap two throttles back reason able flight speed proper flight altitude tained completes prescribed number flight laps descends under throttle control touch-and-go controlled landing finally taxi lap simulating planes return tiedown area hangar Unless youre seeing Scale models quickiy returned kit form ob vious answer has throttle-controlled flight Mike noted throttle control systems used 172 Model Aviation catalog 5100 UE RIDGE - MACHINERY8 TOOLS P0 Boo 536-v nHurricanB VIN 25526 ~ off Bracomplete selection lathes milig 50018 1119 Aviation ModBlBr Large Scale Miniature Aircraft Design Drawings Herb Hall IMAA 1444 1 1/S5caleAsrancaC3-8Swing2700/pp 2 1/5 scale 5BC-3 Ilelldiver 85 wing Ripe3000/pp 32-5/ltScaleSSO-SDaantleea-53wing30tO/pp 41/B Scale AD3 05 Daaglas 5kyaida3000/pp B High Wing Esainne, Dee Plane2000/pp Send 200 fn eonplete aetaleg ter OP Systems Inc 1542 Tattenhull Heusten TX 77004 /713/9994840171318540S4S
