Control Line Racing. Bill Lee RACING fun After isnt real reason sport have fun would anyone take time necessary race doing something required Big Brother someone else wasnt fun yet see lot people seem lose sight real reason know Im talking about ones contest griping about always sour expres sions faces always bad-mouthing officials rules sites etc Youve heard too dont something about rules AMA CLCB club anybody else really screwed up on wonder field having such rotten time Well friends its time us reflect fly model airplanes what see sport spend money con sume free time thing competition have always enjoyed doing things hands build ing things repairing things word understanding guess have best jobs possible sys tems analyst working computers profession allows build things computer systems take apart repair also en vironment constantly changing better allow yourself sit still skill understanding will become obsolete What does have model airplanes Competition place can measure excellence efforts work degree ac ceptance user community systems produce own personal measure college work going right now results show up grades assigned professor model air planes results head-to-head competition Yet portion AMA members active competition fliers relatively small perhaps column majority AMA em phasis should directed towards noncompetition members really true Lets ask few questions does kid non-flier get model airplanes Certainly isnt because potential competition No its probably because looks neat kid challenge skills adult Maybe its because someone else friend acquaintance hobby appears fun thing Theres word again whatever reason individual gets flying once initial learning-curve has climbed its quite possible boredom set Once can something ade quately no reason try improve just doing same thing over over again can become very boring indeed Agreed people doing single thing best ability real satisfaction time-after-timeafter-time people human nature become bored kind environment competition comes play dont claim interested competition flying Sun day fliers Ringmasters Fox 35s will try see can best pat tern can go 100 laps fastest can fly longest small amount fuel Competition formally structured between friends flying local schoolyard core around hobby built Competition force drives technology forward producing ever better products performance Would products enjoy today around no need seriously doubt Rossi 15 would have developed dominant 15 world no speed compe tition event would 40s today Formula Pylon event No competition force directs hobby though minority AMA members profess competition fliers Racing Events Got discussion Jerry Deneau Russ Brown Colorado Nats Lake Charles trying get event together area unique twist says something about Control Line general CL Racing particular Ill copy part newsletter Jerry wrote recently last meeting discussed concept new eventFormula Racing event would consist models replicas full-size Formula racing aircraft models would have contoured fuselages clear canopies pilot head inside new event improve image segment modeling has de generated models look half-fin ished exception Stunt Scale FAI Team Race fly slab-siders engines controls fuel tanks 38 Model Aviation Just because Rat no reason ship must unadorned Picture doesnt justice gorgeous Slow Rat Glen Flutz OS Max 36 runs off chicken hopper inboard tank set-up country music makes Nashville famous circles peerless Nashville rats ringleader Marshall Busby hanging out breeze like ajunk pile have people look racing profile carrier airplanes ask going finish People want see realistic-looking airplanes Nationals Rusty Brown Leroy Fuehrer impressed RC Formula Y4-Midget models beautiful yet fast use will provide challenge experienced modelers encourage beautiful models points would awarded appearance fidelity-to-scale points would pro vide handicaps actual race Jerry supplied set rules proposals define event Basically plane requirements same RC Formula Pylon racing 450 thinking CL could stand little image building dont have poor brothers model airplane flying set out Oregon comes word Mike Hazel Eugene Prop Spinners about racing event di rected somewhat different category famous infamous Northwest Top left Bill Lees Goodyear Scoville Stardust Rossi 15-powered uses uniflow tank Right Head-on view shows off gear mount ing Bottom left rat fansthis picture speaks thousand words Right Another-view motivation department classes CL racing RC Formula -Midget cause kits plans available could get event problems kit availability Some kits have fiberglass fuselages formed plastic fuse lages others have conventional construc tion event could accomplish following a For us scale buffs would build ing sport-scale airplane b For racing enthusiasts would flying 80-85-mph airplanes two three circle pit stops c For observers would watch ing exciting races beautiful reallooking models d This will beginners event squares minimum fuselage size replicas actual Formula Goodyear racers etc Engine restrictions require 36 40 undecided yet single by-pass port commercially available quantity least 1000 no modifications allowed Races would same Rat 70laps/I-pit preliminaries 140 laps/3 pits finals interesting addition handicapping system up 10 points can awarded three areas scale fidelity workmanship excellence appearance points earned translated time sub tracted off contestants preliminary final race times second per point finals nd per point qualifying races event has lot merit says what lot people have Sport Race heard runblings crazy set fliers crazier events time time didnt realize event cucumberthrowing comes stated purpose NWSR pro vide racing class novice compet itor can compete equal basis Planes engines have restricted severely requiring kits low performance cheap engines No hot gloves shut-offs other trick racing goodies Races similar AMA Slow Rat modified slightly two-four per heat two stops required 140-lap finals So what strange about event several around country Continued page 100 February 1979 39 style needed particular model de pends general arrangement subject aircraft layout models control system An Upright bellcrank intended bolting top plywood mounting plate model best access bellcrank compartment top model high- shoulder-wing design bellcrank mounted fuselage low-wing design bellcrank mounted top wing An verted bellcrank bolted bottom plywood mounting plate best access bellcrank com partment bottom model low-wing design bellcrank mounted fuselage high- shoulder-wing design bellcrank bottom wing Mount bellcrank least thick 5-ply plywood according manufac turers instructions Pay particular atten tion part about having slot bellcrank mounting plate 90 ele vator pushrod eliminates undesirable elevator movement flight engine throttle setting changed usually lubri cate bellcranks moving parts graphite spray available small tube hardware stores Lastly control system installation thoroughly check double-check abso lutely no binding undue friction systems operation must work perfectly free best performance stiff balky control system almost always indicates im proper installation can cause special handling problems during low line-tension maneuvers like takeoff landing taxi Give yourself model chance perform up full potential making sure control system works easily smoothly throughout its entire range Political protest model airplane con test Sounds ridiculous doesnt thats what happened last summer As probably know 1978 RC & CL Scale World Championships held con junction 1978 Control Line World Championships Stunt Speed Team Race common site Woodvale England sounded great parties countries Russia Yugo slavia Bulgaria Czechoslovakia Po land dropped out of events political protest against entry South Africa CL Team Race CL Scale WC event fatally affected FAI rules require minimum five participat ing countries qualify event ficial World Championshipsother wise simply International con test So withdrawal Russian Polish teams CL Scale forced its can cellation World Championships event last minute news reached AMA days fore US team members sched uled depart England As travel plans motion models packed team spirit high decided send over CL Scale team members Ray Smith Dan Osdoba Roland Baltes still possible hope International level competition would held never did materialize cant help feel boy cott somewhat childish its concep tion ineffectiveness water under bridge point Cana dians expected put bid host 1980 Scale World Championships Ottawa sincerely hope will tempt organize CL Scale WC event part festivities Under circum stances seems cancella tion CL Scale event Woodvale year product Scale events being tied Control Line gen eral WC reflection current interest FAI CL Scale FAI Canadian organizers should remember CL Scale event well attended strongly contested previous Scale World Championshipsincluding 1974 Lakehurst New Jersey Mike Gretz Box 162 Montezuma IA 50171 CL Racing/Lee continued page 39 sound just like Well let copy last rule assumed usual sportsman ship conduct Northwest competitors will prevail running event event director may disqualify entrant feels competing within intent spirit event Sound good Heres part note Mike added wrote newsletter Note unique rule #8 above 77 NW Regionals Racing Events Director Sport Race entrants threatened disqualification appeared competing too seriously Further highly suggested smile lot show everybody what fun having Im serious Again group racing fliers poking what ails us compete-at-any-cost syndrome seems make com petitors forget because want have fun Fast Goodyears have pretty good year Goodyear year competing Scale Race course flying has done District 8 did get chance compete Winston Salem Bill Pardues AAAA contest lucky enough win not-great time 606 However times get better season wore Turned 600 flat contest New Orleans nearly wrecked good plane Ft Worth solder joint con trol system come loose causing pancake some repairable damage didnt fly Nats since CL Category Director later wentto South western Control Line Championships Dallas Labor Day turned real good 542 Competition Dallas very good especially Goodyear Bud Doug Harris Kerry Turner Mike Wheeler Jim Ong attendance having placed top five six Open Senior Goodyear Lake Charles 100 Model Aviation -U C Plans Ae lUeded TO Inspire B18s 5i%SI 14o, 810 Bo,6$20 108 Boe 8-17G En, $48 5 100 845- 77 Boe 817 Bomb $30 58 Boeog 88 Benob$13SI 8oe B-17G Fort$25 54 Vgl Corair 025$2099 N 81k Widom P5$69 83 C SkyteoPIe P5F1 $16 48 N 81k Widon P51 $26 48$ Koydel P017 814 81 DPI MoW Bomb $36 * 60 Dog 058 CBS 515 41 88 Moq Bonb $18 42 Boeorg P26A $18 9$ lad Boob 114 $49 45 Boeag P482 P12 $14 50 Hodon Bomber $18 * 47 Cobook P1 IC2 $18 55 NA MiteIeI 825 $22 62 Coo Heek P60 $39 50 Monk 826 Boob 25 ....a.4 47 Cart 80.k P68 527 65 Marlin 826 Bomb $42 Ai~47 Cart C Helldioe $18 68 Sank JU 885 8o, $18 57 Ca 01 E P0180 $20 51 Jonk JU 88S Boo $13 ot SOSCi Sea 515 46 Jon Stalno JU$7 $22 4$ GlorGlodioto g 10E7$17 04$12 93 G8 Beonco 988 17 46 BnaloIMIC 81 $1454 Parhild P01818 43 Neo II EooTie $14 54 lfir$17 42OH2$oo Boo 10 $14 PBICB INCLUDE PSTERNS 501811 Cork DjA1 16 .SSVnkerConBo $18 S.*.45V,ber PB12B&C $14 SEND Si Complete Potorial Catalog •..sAddlO% ALL ORDERS Nicknamed Whistling Death Japanese foes F4U Corsair scored incredible 11to-i kill/lou average during World War II also Americas first 400mph-plus fighter Dick Scrogin built 36 span model version Sterling kit powered itwitha Fox 35 SPITFIRE Still best combination ot looks & performance buy Nobody ever designed elegant ship Spitfire model flies superbly has won countless standoff scale contests standard kit builds Mk 9 Plan includes details other Marks like beautiful Mk 22 Kit features Machined diecut balsa formed LG nylon fittings metal parts & mouldings Two full-size plans complete radio & retract gear installation shown Isometric diagram & illustrated instructions make building easy fun Six-color accurate decals Span 65 Area 714 Sq 4 6 channel Engine 40 60 Nats first weekend October 1 back Ft Worth turned 532 pat myself back scene lead-in few words fast Goodyears Right now some real good run ning planes country several con sistently low 15s couple 14s Im fortunate have reg ularly running 145 148 seconds /2 mile does go cotton-pickin fast tell truth dont know have some ideas Ill pass along might look pictures col umn Engine run old small-crank Rossi originally set up George Aldrich switched ABC piston liner two years ago feel best set-up liner/piston completely stock two got last winter Bud Harris also feel small crank Rossi superior engine later large crank versions can keep together So far knock wood have yet blown up engines Second prop have using Kelly fiberglass props several years Initially used Tornado nylon 7-6 cut about 6- quite competitive five years ago first 7-6 props Kelly produced fiberglass copy Tornado nylon found merely switching nylon glass worth about 5 sec day race ticked prop pit found about other nd later measurement showed diameter down about 6 e used Riverside 77 placing fifth Well year built new plane went out early May test last years prop going about 153 1 couple Kellys new props Wil loughby 6/4-5 actually 6-6 measured prop prop Stew Willoughby used Riverside basically thinnedblade version Kelly Tornado equiv alent switched prop stock new plane immediately went 148 Props its Third plane Goodyears have somewhat unique over years have built last six years totally internal controls pushrod control horn everything have consis tently striven make airplane slip pery possible building land ing gear fuselage out air believe new plane best far except quick-fill tube everything could cause serious drag hidden behind engine built inside profile fuselage dont know items terribly important taken individually total combination works planes performance will attest W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 40 means fly-aways because greater differences line length Id noticed certain fliers always involved fly aways upon close inspection found invariably stood several feet behind other person zeroed lines Some pilots use outboard wing foam model snag string cuts through foam locks assure kill pictures shows good example Streamers also big problem con tests Light string doesnt cause damage models wrap up engines has other drawbacks shock hitting crepe paper often broke string some times broke just stress 100 mph speeds 140-mph for. Texans Heavy string down center streamer way go rolling up streamers always hassle Bill Allen uses clothes pin arrangement low-speed drill Just insert end streamer apply power very lit tle effort have nicely rolled streamer Taped streamers stand up rainy weather usually require prop cut Note new crepe paper 8 feet dont mix em up old 10-foot variety Also sure leave enough string ahead mark tie securely plane Differential propsfact fiction first heard about MACA Newsletter few months back thought someone pulling leg Aero Challenge cornered Bob Burch found out straight scoop scoop may needed Seems prop-making machine pro ducing props h blade other pylon racers true up hub anyway could have cared less combat lads found prop worked better left differential pitch Top-end speed supposed enhanced higher pitch blade turns better because lower-pitch blade Props funny things air argument theory good anyone elses theory theories has always little possible scientifically youll get hung up experiments forget about what youre doing flying combat bash em-crash em event like lends itself seat-of-thepants research anything very sci entific scientific approach piloting skills would greater value diffe rential pitch props quest free horsepower still since its easier use prop true up blades hope something gained least lost Three props courtesy Bob Burch may help make up mind Write quickly have test results can publish next issue Check out picture tuned pipe FAI combat model may way go noise presents problem future Pipes can designed work over very broad range great boost performance really needed just less noise dependability Charlie Johnson 3716 Ingraham St San Diego CA 92109 SAFE FLYING IS NO ACCIDENT February 1979 101 2657 NE 188th Street Miami Florida 33180 Telephone 935-1436
Edition: Model Aviation - 1979/02
Page Numbers: 38, 39, 100, 101
Control Line Racing. Bill Lee RACING fun After isnt real reason sport have fun would anyone take time necessary race doing something required Big Brother someone else wasnt fun yet see lot people seem lose sight real reason know Im talking about ones contest griping about always sour expres sions faces always bad-mouthing officials rules sites etc Youve heard too dont something about rules AMA CLCB club anybody else really screwed up on wonder field having such rotten time Well friends its time us reflect fly model airplanes what see sport spend money con sume free time thing competition have always enjoyed doing things hands build ing things repairing things word understanding guess have best jobs possible sys tems analyst working computers profession allows build things computer systems take apart repair also en vironment constantly changing better allow yourself sit still skill understanding will become obsolete What does have model airplanes Competition place can measure excellence efforts work degree ac ceptance user community systems produce own personal measure college work going right now results show up grades assigned professor model air planes results head-to-head competition Yet portion AMA members active competition fliers relatively small perhaps column majority AMA em phasis should directed towards noncompetition members really true Lets ask few questions does kid non-flier get model airplanes Certainly isnt because potential competition No its probably because looks neat kid challenge skills adult Maybe its because someone else friend acquaintance hobby appears fun thing Theres word again whatever reason individual gets flying once initial learning-curve has climbed its quite possible boredom set Once can something ade quately no reason try improve just doing same thing over over again can become very boring indeed Agreed people doing single thing best ability real satisfaction time-after-timeafter-time people human nature become bored kind environment competition comes play dont claim interested competition flying Sun day fliers Ringmasters Fox 35s will try see can best pat tern can go 100 laps fastest can fly longest small amount fuel Competition formally structured between friends flying local schoolyard core around hobby built Competition force drives technology forward producing ever better products performance Would products enjoy today around no need seriously doubt Rossi 15 would have developed dominant 15 world no speed compe tition event would 40s today Formula Pylon event No competition force directs hobby though minority AMA members profess competition fliers Racing Events Got discussion Jerry Deneau Russ Brown Colorado Nats Lake Charles trying get event together area unique twist says something about Control Line general CL Racing particular Ill copy part newsletter Jerry wrote recently last meeting discussed concept new eventFormula Racing event would consist models replicas full-size Formula racing aircraft models would have contoured fuselages clear canopies pilot head inside new event improve image segment modeling has de generated models look half-fin ished exception Stunt Scale FAI Team Race fly slab-siders engines controls fuel tanks 38 Model Aviation Just because Rat no reason ship must unadorned Picture doesnt justice gorgeous Slow Rat Glen Flutz OS Max 36 runs off chicken hopper inboard tank set-up country music makes Nashville famous circles peerless Nashville rats ringleader Marshall Busby hanging out breeze like ajunk pile have people look racing profile carrier airplanes ask going finish People want see realistic-looking airplanes Nationals Rusty Brown Leroy Fuehrer impressed RC Formula Y4-Midget models beautiful yet fast use will provide challenge experienced modelers encourage beautiful models points would awarded appearance fidelity-to-scale points would pro vide handicaps actual race Jerry supplied set rules proposals define event Basically plane requirements same RC Formula Pylon racing 450 thinking CL could stand little image building dont have poor brothers model airplane flying set out Oregon comes word Mike Hazel Eugene Prop Spinners about racing event di rected somewhat different category famous infamous Northwest Top left Bill Lees Goodyear Scoville Stardust Rossi 15-powered uses uniflow tank Right Head-on view shows off gear mount ing Bottom left rat fansthis picture speaks thousand words Right Another-view motivation department classes CL racing RC Formula -Midget cause kits plans available could get event problems kit availability Some kits have fiberglass fuselages formed plastic fuse lages others have conventional construc tion event could accomplish following a For us scale buffs would build ing sport-scale airplane b For racing enthusiasts would flying 80-85-mph airplanes two three circle pit stops c For observers would watch ing exciting races beautiful reallooking models d This will beginners event squares minimum fuselage size replicas actual Formula Goodyear racers etc Engine restrictions require 36 40 undecided yet single by-pass port commercially available quantity least 1000 no modifications allowed Races would same Rat 70laps/I-pit preliminaries 140 laps/3 pits finals interesting addition handicapping system up 10 points can awarded three areas scale fidelity workmanship excellence appearance points earned translated time sub tracted off contestants preliminary final race times second per point finals nd per point qualifying races event has lot merit says what lot people have Sport Race heard runblings crazy set fliers crazier events time time didnt realize event cucumberthrowing comes stated purpose NWSR pro vide racing class novice compet itor can compete equal basis Planes engines have restricted severely requiring kits low performance cheap engines No hot gloves shut-offs other trick racing goodies Races similar AMA Slow Rat modified slightly two-four per heat two stops required 140-lap finals So what strange about event several around country Continued page 100 February 1979 39 style needed particular model de pends general arrangement subject aircraft layout models control system An Upright bellcrank intended bolting top plywood mounting plate model best access bellcrank compartment top model high- shoulder-wing design bellcrank mounted fuselage low-wing design bellcrank mounted top wing An verted bellcrank bolted bottom plywood mounting plate best access bellcrank com partment bottom model low-wing design bellcrank mounted fuselage high- shoulder-wing design bellcrank bottom wing Mount bellcrank least thick 5-ply plywood according manufac turers instructions Pay particular atten tion part about having slot bellcrank mounting plate 90 ele vator pushrod eliminates undesirable elevator movement flight engine throttle setting changed usually lubri cate bellcranks moving parts graphite spray available small tube hardware stores Lastly control system installation thoroughly check double-check abso lutely no binding undue friction systems operation must work perfectly free best performance stiff balky control system almost always indicates im proper installation can cause special handling problems during low line-tension maneuvers like takeoff landing taxi Give yourself model chance perform up full potential making sure control system works easily smoothly throughout its entire range Political protest model airplane con test Sounds ridiculous doesnt thats what happened last summer As probably know 1978 RC & CL Scale World Championships held con junction 1978 Control Line World Championships Stunt Speed Team Race common site Woodvale England sounded great parties countries Russia Yugo slavia Bulgaria Czechoslovakia Po land dropped out of events political protest against entry South Africa CL Team Race CL Scale WC event fatally affected FAI rules require minimum five participat ing countries qualify event ficial World Championshipsother wise simply International con test So withdrawal Russian Polish teams CL Scale forced its can cellation World Championships event last minute news reached AMA days fore US team members sched uled depart England As travel plans motion models packed team spirit high decided send over CL Scale team members Ray Smith Dan Osdoba Roland Baltes still possible hope International level competition would held never did materialize cant help feel boy cott somewhat childish its concep tion ineffectiveness water under bridge point Cana dians expected put bid host 1980 Scale World Championships Ottawa sincerely hope will tempt organize CL Scale WC event part festivities Under circum stances seems cancella tion CL Scale event Woodvale year product Scale events being tied Control Line gen eral WC reflection current interest FAI CL Scale FAI Canadian organizers should remember CL Scale event well attended strongly contested previous Scale World Championshipsincluding 1974 Lakehurst New Jersey Mike Gretz Box 162 Montezuma IA 50171 CL Racing/Lee continued page 39 sound just like Well let copy last rule assumed usual sportsman ship conduct Northwest competitors will prevail running event event director may disqualify entrant feels competing within intent spirit event Sound good Heres part note Mike added wrote newsletter Note unique rule #8 above 77 NW Regionals Racing Events Director Sport Race entrants threatened disqualification appeared competing too seriously Further highly suggested smile lot show everybody what fun having Im serious Again group racing fliers poking what ails us compete-at-any-cost syndrome seems make com petitors forget because want have fun Fast Goodyears have pretty good year Goodyear year competing Scale Race course flying has done District 8 did get chance compete Winston Salem Bill Pardues AAAA contest lucky enough win not-great time 606 However times get better season wore Turned 600 flat contest New Orleans nearly wrecked good plane Ft Worth solder joint con trol system come loose causing pancake some repairable damage didnt fly Nats since CL Category Director later wentto South western Control Line Championships Dallas Labor Day turned real good 542 Competition Dallas very good especially Goodyear Bud Doug Harris Kerry Turner Mike Wheeler Jim Ong attendance having placed top five six Open Senior Goodyear Lake Charles 100 Model Aviation -U C Plans Ae lUeded TO Inspire B18s 5i%SI 14o, 810 Bo,6$20 108 Boe 8-17G En, $48 5 100 845- 77 Boe 817 Bomb $30 58 Boeog 88 Benob$13SI 8oe B-17G Fort$25 54 Vgl Corair 025$2099 N 81k Widom P5$69 83 C SkyteoPIe P5F1 $16 48 N 81k Widon P51 $26 48$ Koydel P017 814 81 DPI MoW Bomb $36 * 60 Dog 058 CBS 515 41 88 Moq Bonb $18 42 Boeorg P26A $18 9$ lad Boob 114 $49 45 Boeag P482 P12 $14 50 Hodon Bomber $18 * 47 Cobook P1 IC2 $18 55 NA MiteIeI 825 $22 62 Coo Heek P60 $39 50 Monk 826 Boob 25 ....a.4 47 Cart 80.k P68 527 65 Marlin 826 Bomb $42 Ai~47 Cart C Helldioe $18 68 Sank JU 885 8o, $18 57 Ca 01 E P0180 $20 51 Jonk JU 88S Boo $13 ot SOSCi Sea 515 46 Jon Stalno JU$7 $22 4$ GlorGlodioto g 10E7$17 04$12 93 G8 Beonco 988 17 46 BnaloIMIC 81 $1454 Parhild P01818 43 Neo II EooTie $14 54 lfir$17 42OH2$oo Boo 10 $14 PBICB INCLUDE PSTERNS 501811 Cork DjA1 16 .SSVnkerConBo $18 S.*.45V,ber PB12B&C $14 SEND Si Complete Potorial Catalog •..sAddlO% ALL ORDERS Nicknamed Whistling Death Japanese foes F4U Corsair scored incredible 11to-i kill/lou average during World War II also Americas first 400mph-plus fighter Dick Scrogin built 36 span model version Sterling kit powered itwitha Fox 35 SPITFIRE Still best combination ot looks & performance buy Nobody ever designed elegant ship Spitfire model flies superbly has won countless standoff scale contests standard kit builds Mk 9 Plan includes details other Marks like beautiful Mk 22 Kit features Machined diecut balsa formed LG nylon fittings metal parts & mouldings Two full-size plans complete radio & retract gear installation shown Isometric diagram & illustrated instructions make building easy fun Six-color accurate decals Span 65 Area 714 Sq 4 6 channel Engine 40 60 Nats first weekend October 1 back Ft Worth turned 532 pat myself back scene lead-in few words fast Goodyears Right now some real good run ning planes country several con sistently low 15s couple 14s Im fortunate have reg ularly running 145 148 seconds /2 mile does go cotton-pickin fast tell truth dont know have some ideas Ill pass along might look pictures col umn Engine run old small-crank Rossi originally set up George Aldrich switched ABC piston liner two years ago feel best set-up liner/piston completely stock two got last winter Bud Harris also feel small crank Rossi superior engine later large crank versions can keep together So far knock wood have yet blown up engines Second prop have using Kelly fiberglass props several years Initially used Tornado nylon 7-6 cut about 6- quite competitive five years ago first 7-6 props Kelly produced fiberglass copy Tornado nylon found merely switching nylon glass worth about 5 sec day race ticked prop pit found about other nd later measurement showed diameter down about 6 e used Riverside 77 placing fifth Well year built new plane went out early May test last years prop going about 153 1 couple Kellys new props Wil loughby 6/4-5 actually 6-6 measured prop prop Stew Willoughby used Riverside basically thinnedblade version Kelly Tornado equiv alent switched prop stock new plane immediately went 148 Props its Third plane Goodyears have somewhat unique over years have built last six years totally internal controls pushrod control horn everything have consis tently striven make airplane slip pery possible building land ing gear fuselage out air believe new plane best far except quick-fill tube everything could cause serious drag hidden behind engine built inside profile fuselage dont know items terribly important taken individually total combination works planes performance will attest W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 40 means fly-aways because greater differences line length Id noticed certain fliers always involved fly aways upon close inspection found invariably stood several feet behind other person zeroed lines Some pilots use outboard wing foam model snag string cuts through foam locks assure kill pictures shows good example Streamers also big problem con tests Light string doesnt cause damage models wrap up engines has other drawbacks shock hitting crepe paper often broke string some times broke just stress 100 mph speeds 140-mph for. Texans Heavy string down center streamer way go rolling up streamers always hassle Bill Allen uses clothes pin arrangement low-speed drill Just insert end streamer apply power very lit tle effort have nicely rolled streamer Taped streamers stand up rainy weather usually require prop cut Note new crepe paper 8 feet dont mix em up old 10-foot variety Also sure leave enough string ahead mark tie securely plane Differential propsfact fiction first heard about MACA Newsletter few months back thought someone pulling leg Aero Challenge cornered Bob Burch found out straight scoop scoop may needed Seems prop-making machine pro ducing props h blade other pylon racers true up hub anyway could have cared less combat lads found prop worked better left differential pitch Top-end speed supposed enhanced higher pitch blade turns better because lower-pitch blade Props funny things air argument theory good anyone elses theory theories has always little possible scientifically youll get hung up experiments forget about what youre doing flying combat bash em-crash em event like lends itself seat-of-thepants research anything very sci entific scientific approach piloting skills would greater value diffe rential pitch props quest free horsepower still since its easier use prop true up blades hope something gained least lost Three props courtesy Bob Burch may help make up mind Write quickly have test results can publish next issue Check out picture tuned pipe FAI combat model may way go noise presents problem future Pipes can designed work over very broad range great boost performance really needed just less noise dependability Charlie Johnson 3716 Ingraham St San Diego CA 92109 SAFE FLYING IS NO ACCIDENT February 1979 101 2657 NE 188th Street Miami Florida 33180 Telephone 935-1436
Edition: Model Aviation - 1979/02
Page Numbers: 38, 39, 100, 101
Control Line Racing. Bill Lee RACING fun After isnt real reason sport have fun would anyone take time necessary race doing something required Big Brother someone else wasnt fun yet see lot people seem lose sight real reason know Im talking about ones contest griping about always sour expres sions faces always bad-mouthing officials rules sites etc Youve heard too dont something about rules AMA CLCB club anybody else really screwed up on wonder field having such rotten time Well friends its time us reflect fly model airplanes what see sport spend money con sume free time thing competition have always enjoyed doing things hands build ing things repairing things word understanding guess have best jobs possible sys tems analyst working computers profession allows build things computer systems take apart repair also en vironment constantly changing better allow yourself sit still skill understanding will become obsolete What does have model airplanes Competition place can measure excellence efforts work degree ac ceptance user community systems produce own personal measure college work going right now results show up grades assigned professor model air planes results head-to-head competition Yet portion AMA members active competition fliers relatively small perhaps column majority AMA em phasis should directed towards noncompetition members really true Lets ask few questions does kid non-flier get model airplanes Certainly isnt because potential competition No its probably because looks neat kid challenge skills adult Maybe its because someone else friend acquaintance hobby appears fun thing Theres word again whatever reason individual gets flying once initial learning-curve has climbed its quite possible boredom set Once can something ade quately no reason try improve just doing same thing over over again can become very boring indeed Agreed people doing single thing best ability real satisfaction time-after-timeafter-time people human nature become bored kind environment competition comes play dont claim interested competition flying Sun day fliers Ringmasters Fox 35s will try see can best pat tern can go 100 laps fastest can fly longest small amount fuel Competition formally structured between friends flying local schoolyard core around hobby built Competition force drives technology forward producing ever better products performance Would products enjoy today around no need seriously doubt Rossi 15 would have developed dominant 15 world no speed compe tition event would 40s today Formula Pylon event No competition force directs hobby though minority AMA members profess competition fliers Racing Events Got discussion Jerry Deneau Russ Brown Colorado Nats Lake Charles trying get event together area unique twist says something about Control Line general CL Racing particular Ill copy part newsletter Jerry wrote recently last meeting discussed concept new eventFormula Racing event would consist models replicas full-size Formula racing aircraft models would have contoured fuselages clear canopies pilot head inside new event improve image segment modeling has de generated models look half-fin ished exception Stunt Scale FAI Team Race fly slab-siders engines controls fuel tanks 38 Model Aviation Just because Rat no reason ship must unadorned Picture doesnt justice gorgeous Slow Rat Glen Flutz OS Max 36 runs off chicken hopper inboard tank set-up country music makes Nashville famous circles peerless Nashville rats ringleader Marshall Busby hanging out breeze like ajunk pile have people look racing profile carrier airplanes ask going finish People want see realistic-looking airplanes Nationals Rusty Brown Leroy Fuehrer impressed RC Formula Y4-Midget models beautiful yet fast use will provide challenge experienced modelers encourage beautiful models points would awarded appearance fidelity-to-scale points would pro vide handicaps actual race Jerry supplied set rules proposals define event Basically plane requirements same RC Formula Pylon racing 450 thinking CL could stand little image building dont have poor brothers model airplane flying set out Oregon comes word Mike Hazel Eugene Prop Spinners about racing event di rected somewhat different category famous infamous Northwest Top left Bill Lees Goodyear Scoville Stardust Rossi 15-powered uses uniflow tank Right Head-on view shows off gear mount ing Bottom left rat fansthis picture speaks thousand words Right Another-view motivation department classes CL racing RC Formula -Midget cause kits plans available could get event problems kit availability Some kits have fiberglass fuselages formed plastic fuse lages others have conventional construc tion event could accomplish following a For us scale buffs would build ing sport-scale airplane b For racing enthusiasts would flying 80-85-mph airplanes two three circle pit stops c For observers would watch ing exciting races beautiful reallooking models d This will beginners event squares minimum fuselage size replicas actual Formula Goodyear racers etc Engine restrictions require 36 40 undecided yet single by-pass port commercially available quantity least 1000 no modifications allowed Races would same Rat 70laps/I-pit preliminaries 140 laps/3 pits finals interesting addition handicapping system up 10 points can awarded three areas scale fidelity workmanship excellence appearance points earned translated time sub tracted off contestants preliminary final race times second per point finals nd per point qualifying races event has lot merit says what lot people have Sport Race heard runblings crazy set fliers crazier events time time didnt realize event cucumberthrowing comes stated purpose NWSR pro vide racing class novice compet itor can compete equal basis Planes engines have restricted severely requiring kits low performance cheap engines No hot gloves shut-offs other trick racing goodies Races similar AMA Slow Rat modified slightly two-four per heat two stops required 140-lap finals So what strange about event several around country Continued page 100 February 1979 39 style needed particular model de pends general arrangement subject aircraft layout models control system An Upright bellcrank intended bolting top plywood mounting plate model best access bellcrank compartment top model high- shoulder-wing design bellcrank mounted fuselage low-wing design bellcrank mounted top wing An verted bellcrank bolted bottom plywood mounting plate best access bellcrank com partment bottom model low-wing design bellcrank mounted fuselage high- shoulder-wing design bellcrank bottom wing Mount bellcrank least thick 5-ply plywood according manufac turers instructions Pay particular atten tion part about having slot bellcrank mounting plate 90 ele vator pushrod eliminates undesirable elevator movement flight engine throttle setting changed usually lubri cate bellcranks moving parts graphite spray available small tube hardware stores Lastly control system installation thoroughly check double-check abso lutely no binding undue friction systems operation must work perfectly free best performance stiff balky control system almost always indicates im proper installation can cause special handling problems during low line-tension maneuvers like takeoff landing taxi Give yourself model chance perform up full potential making sure control system works easily smoothly throughout its entire range Political protest model airplane con test Sounds ridiculous doesnt thats what happened last summer As probably know 1978 RC & CL Scale World Championships held con junction 1978 Control Line World Championships Stunt Speed Team Race common site Woodvale England sounded great parties countries Russia Yugo slavia Bulgaria Czechoslovakia Po land dropped out of events political protest against entry South Africa CL Team Race CL Scale WC event fatally affected FAI rules require minimum five participat ing countries qualify event ficial World Championshipsother wise simply International con test So withdrawal Russian Polish teams CL Scale forced its can cellation World Championships event last minute news reached AMA days fore US team members sched uled depart England As travel plans motion models packed team spirit high decided send over CL Scale team members Ray Smith Dan Osdoba Roland Baltes still possible hope International level competition would held never did materialize cant help feel boy cott somewhat childish its concep tion ineffectiveness water under bridge point Cana dians expected put bid host 1980 Scale World Championships Ottawa sincerely hope will tempt organize CL Scale WC event part festivities Under circum stances seems cancella tion CL Scale event Woodvale year product Scale events being tied Control Line gen eral WC reflection current interest FAI CL Scale FAI Canadian organizers should remember CL Scale event well attended strongly contested previous Scale World Championshipsincluding 1974 Lakehurst New Jersey Mike Gretz Box 162 Montezuma IA 50171 CL Racing/Lee continued page 39 sound just like Well let copy last rule assumed usual sportsman ship conduct Northwest competitors will prevail running event event director may disqualify entrant feels competing within intent spirit event Sound good Heres part note Mike added wrote newsletter Note unique rule #8 above 77 NW Regionals Racing Events Director Sport Race entrants threatened disqualification appeared competing too seriously Further highly suggested smile lot show everybody what fun having Im serious Again group racing fliers poking what ails us compete-at-any-cost syndrome seems make com petitors forget because want have fun Fast Goodyears have pretty good year Goodyear year competing Scale Race course flying has done District 8 did get chance compete Winston Salem Bill Pardues AAAA contest lucky enough win not-great time 606 However times get better season wore Turned 600 flat contest New Orleans nearly wrecked good plane Ft Worth solder joint con trol system come loose causing pancake some repairable damage didnt fly Nats since CL Category Director later wentto South western Control Line Championships Dallas Labor Day turned real good 542 Competition Dallas very good especially Goodyear Bud Doug Harris Kerry Turner Mike Wheeler Jim Ong attendance having placed top five six Open Senior Goodyear Lake Charles 100 Model Aviation -U C Plans Ae lUeded TO Inspire B18s 5i%SI 14o, 810 Bo,6$20 108 Boe 8-17G En, $48 5 100 845- 77 Boe 817 Bomb $30 58 Boeog 88 Benob$13SI 8oe B-17G Fort$25 54 Vgl Corair 025$2099 N 81k Widom P5$69 83 C SkyteoPIe P5F1 $16 48 N 81k Widon P51 $26 48$ Koydel P017 814 81 DPI MoW Bomb $36 * 60 Dog 058 CBS 515 41 88 Moq Bonb $18 42 Boeorg P26A $18 9$ lad Boob 114 $49 45 Boeag P482 P12 $14 50 Hodon Bomber $18 * 47 Cobook P1 IC2 $18 55 NA MiteIeI 825 $22 62 Coo Heek P60 $39 50 Monk 826 Boob 25 ....a.4 47 Cart 80.k P68 527 65 Marlin 826 Bomb $42 Ai~47 Cart C Helldioe $18 68 Sank JU 885 8o, $18 57 Ca 01 E P0180 $20 51 Jonk JU 88S Boo $13 ot SOSCi Sea 515 46 Jon Stalno JU$7 $22 4$ GlorGlodioto g 10E7$17 04$12 93 G8 Beonco 988 17 46 BnaloIMIC 81 $1454 Parhild P01818 43 Neo II EooTie $14 54 lfir$17 42OH2$oo Boo 10 $14 PBICB INCLUDE PSTERNS 501811 Cork DjA1 16 .SSVnkerConBo $18 S.*.45V,ber PB12B&C $14 SEND Si Complete Potorial Catalog •..sAddlO% ALL ORDERS Nicknamed Whistling Death Japanese foes F4U Corsair scored incredible 11to-i kill/lou average during World War II also Americas first 400mph-plus fighter Dick Scrogin built 36 span model version Sterling kit powered itwitha Fox 35 SPITFIRE Still best combination ot looks & performance buy Nobody ever designed elegant ship Spitfire model flies superbly has won countless standoff scale contests standard kit builds Mk 9 Plan includes details other Marks like beautiful Mk 22 Kit features Machined diecut balsa formed LG nylon fittings metal parts & mouldings Two full-size plans complete radio & retract gear installation shown Isometric diagram & illustrated instructions make building easy fun Six-color accurate decals Span 65 Area 714 Sq 4 6 channel Engine 40 60 Nats first weekend October 1 back Ft Worth turned 532 pat myself back scene lead-in few words fast Goodyears Right now some real good run ning planes country several con sistently low 15s couple 14s Im fortunate have reg ularly running 145 148 seconds /2 mile does go cotton-pickin fast tell truth dont know have some ideas Ill pass along might look pictures col umn Engine run old small-crank Rossi originally set up George Aldrich switched ABC piston liner two years ago feel best set-up liner/piston completely stock two got last winter Bud Harris also feel small crank Rossi superior engine later large crank versions can keep together So far knock wood have yet blown up engines Second prop have using Kelly fiberglass props several years Initially used Tornado nylon 7-6 cut about 6- quite competitive five years ago first 7-6 props Kelly produced fiberglass copy Tornado nylon found merely switching nylon glass worth about 5 sec day race ticked prop pit found about other nd later measurement showed diameter down about 6 e used Riverside 77 placing fifth Well year built new plane went out early May test last years prop going about 153 1 couple Kellys new props Wil loughby 6/4-5 actually 6-6 measured prop prop Stew Willoughby used Riverside basically thinnedblade version Kelly Tornado equiv alent switched prop stock new plane immediately went 148 Props its Third plane Goodyears have somewhat unique over years have built last six years totally internal controls pushrod control horn everything have consis tently striven make airplane slip pery possible building land ing gear fuselage out air believe new plane best far except quick-fill tube everything could cause serious drag hidden behind engine built inside profile fuselage dont know items terribly important taken individually total combination works planes performance will attest W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 40 means fly-aways because greater differences line length Id noticed certain fliers always involved fly aways upon close inspection found invariably stood several feet behind other person zeroed lines Some pilots use outboard wing foam model snag string cuts through foam locks assure kill pictures shows good example Streamers also big problem con tests Light string doesnt cause damage models wrap up engines has other drawbacks shock hitting crepe paper often broke string some times broke just stress 100 mph speeds 140-mph for. Texans Heavy string down center streamer way go rolling up streamers always hassle Bill Allen uses clothes pin arrangement low-speed drill Just insert end streamer apply power very lit tle effort have nicely rolled streamer Taped streamers stand up rainy weather usually require prop cut Note new crepe paper 8 feet dont mix em up old 10-foot variety Also sure leave enough string ahead mark tie securely plane Differential propsfact fiction first heard about MACA Newsletter few months back thought someone pulling leg Aero Challenge cornered Bob Burch found out straight scoop scoop may needed Seems prop-making machine pro ducing props h blade other pylon racers true up hub anyway could have cared less combat lads found prop worked better left differential pitch Top-end speed supposed enhanced higher pitch blade turns better because lower-pitch blade Props funny things air argument theory good anyone elses theory theories has always little possible scientifically youll get hung up experiments forget about what youre doing flying combat bash em-crash em event like lends itself seat-of-thepants research anything very sci entific scientific approach piloting skills would greater value diffe rential pitch props quest free horsepower still since its easier use prop true up blades hope something gained least lost Three props courtesy Bob Burch may help make up mind Write quickly have test results can publish next issue Check out picture tuned pipe FAI combat model may way go noise presents problem future Pipes can designed work over very broad range great boost performance really needed just less noise dependability Charlie Johnson 3716 Ingraham St San Diego CA 92109 SAFE FLYING IS NO ACCIDENT February 1979 101 2657 NE 188th Street Miami Florida 33180 Telephone 935-1436
Edition: Model Aviation - 1979/02
Page Numbers: 38, 39, 100, 101
Control Line Racing. Bill Lee RACING fun After isnt real reason sport have fun would anyone take time necessary race doing something required Big Brother someone else wasnt fun yet see lot people seem lose sight real reason know Im talking about ones contest griping about always sour expres sions faces always bad-mouthing officials rules sites etc Youve heard too dont something about rules AMA CLCB club anybody else really screwed up on wonder field having such rotten time Well friends its time us reflect fly model airplanes what see sport spend money con sume free time thing competition have always enjoyed doing things hands build ing things repairing things word understanding guess have best jobs possible sys tems analyst working computers profession allows build things computer systems take apart repair also en vironment constantly changing better allow yourself sit still skill understanding will become obsolete What does have model airplanes Competition place can measure excellence efforts work degree ac ceptance user community systems produce own personal measure college work going right now results show up grades assigned professor model air planes results head-to-head competition Yet portion AMA members active competition fliers relatively small perhaps column majority AMA em phasis should directed towards noncompetition members really true Lets ask few questions does kid non-flier get model airplanes Certainly isnt because potential competition No its probably because looks neat kid challenge skills adult Maybe its because someone else friend acquaintance hobby appears fun thing Theres word again whatever reason individual gets flying once initial learning-curve has climbed its quite possible boredom set Once can something ade quately no reason try improve just doing same thing over over again can become very boring indeed Agreed people doing single thing best ability real satisfaction time-after-timeafter-time people human nature become bored kind environment competition comes play dont claim interested competition flying Sun day fliers Ringmasters Fox 35s will try see can best pat tern can go 100 laps fastest can fly longest small amount fuel Competition formally structured between friends flying local schoolyard core around hobby built Competition force drives technology forward producing ever better products performance Would products enjoy today around no need seriously doubt Rossi 15 would have developed dominant 15 world no speed compe tition event would 40s today Formula Pylon event No competition force directs hobby though minority AMA members profess competition fliers Racing Events Got discussion Jerry Deneau Russ Brown Colorado Nats Lake Charles trying get event together area unique twist says something about Control Line general CL Racing particular Ill copy part newsletter Jerry wrote recently last meeting discussed concept new eventFormula Racing event would consist models replicas full-size Formula racing aircraft models would have contoured fuselages clear canopies pilot head inside new event improve image segment modeling has de generated models look half-fin ished exception Stunt Scale FAI Team Race fly slab-siders engines controls fuel tanks 38 Model Aviation Just because Rat no reason ship must unadorned Picture doesnt justice gorgeous Slow Rat Glen Flutz OS Max 36 runs off chicken hopper inboard tank set-up country music makes Nashville famous circles peerless Nashville rats ringleader Marshall Busby hanging out breeze like ajunk pile have people look racing profile carrier airplanes ask going finish People want see realistic-looking airplanes Nationals Rusty Brown Leroy Fuehrer impressed RC Formula Y4-Midget models beautiful yet fast use will provide challenge experienced modelers encourage beautiful models points would awarded appearance fidelity-to-scale points would pro vide handicaps actual race Jerry supplied set rules proposals define event Basically plane requirements same RC Formula Pylon racing 450 thinking CL could stand little image building dont have poor brothers model airplane flying set out Oregon comes word Mike Hazel Eugene Prop Spinners about racing event di rected somewhat different category famous infamous Northwest Top left Bill Lees Goodyear Scoville Stardust Rossi 15-powered uses uniflow tank Right Head-on view shows off gear mount ing Bottom left rat fansthis picture speaks thousand words Right Another-view motivation department classes CL racing RC Formula -Midget cause kits plans available could get event problems kit availability Some kits have fiberglass fuselages formed plastic fuse lages others have conventional construc tion event could accomplish following a For us scale buffs would build ing sport-scale airplane b For racing enthusiasts would flying 80-85-mph airplanes two three circle pit stops c For observers would watch ing exciting races beautiful reallooking models d This will beginners event squares minimum fuselage size replicas actual Formula Goodyear racers etc Engine restrictions require 36 40 undecided yet single by-pass port commercially available quantity least 1000 no modifications allowed Races would same Rat 70laps/I-pit preliminaries 140 laps/3 pits finals interesting addition handicapping system up 10 points can awarded three areas scale fidelity workmanship excellence appearance points earned translated time sub tracted off contestants preliminary final race times second per point finals nd per point qualifying races event has lot merit says what lot people have Sport Race heard runblings crazy set fliers crazier events time time didnt realize event cucumberthrowing comes stated purpose NWSR pro vide racing class novice compet itor can compete equal basis Planes engines have restricted severely requiring kits low performance cheap engines No hot gloves shut-offs other trick racing goodies Races similar AMA Slow Rat modified slightly two-four per heat two stops required 140-lap finals So what strange about event several around country Continued page 100 February 1979 39 style needed particular model de pends general arrangement subject aircraft layout models control system An Upright bellcrank intended bolting top plywood mounting plate model best access bellcrank compartment top model high- shoulder-wing design bellcrank mounted fuselage low-wing design bellcrank mounted top wing An verted bellcrank bolted bottom plywood mounting plate best access bellcrank com partment bottom model low-wing design bellcrank mounted fuselage high- shoulder-wing design bellcrank bottom wing Mount bellcrank least thick 5-ply plywood according manufac turers instructions Pay particular atten tion part about having slot bellcrank mounting plate 90 ele vator pushrod eliminates undesirable elevator movement flight engine throttle setting changed usually lubri cate bellcranks moving parts graphite spray available small tube hardware stores Lastly control system installation thoroughly check double-check abso lutely no binding undue friction systems operation must work perfectly free best performance stiff balky control system almost always indicates im proper installation can cause special handling problems during low line-tension maneuvers like takeoff landing taxi Give yourself model chance perform up full potential making sure control system works easily smoothly throughout its entire range Political protest model airplane con test Sounds ridiculous doesnt thats what happened last summer As probably know 1978 RC & CL Scale World Championships held con junction 1978 Control Line World Championships Stunt Speed Team Race common site Woodvale England sounded great parties countries Russia Yugo slavia Bulgaria Czechoslovakia Po land dropped out of events political protest against entry South Africa CL Team Race CL Scale WC event fatally affected FAI rules require minimum five participat ing countries qualify event ficial World Championshipsother wise simply International con test So withdrawal Russian Polish teams CL Scale forced its can cellation World Championships event last minute news reached AMA days fore US team members sched uled depart England As travel plans motion models packed team spirit high decided send over CL Scale team members Ray Smith Dan Osdoba Roland Baltes still possible hope International level competition would held never did materialize cant help feel boy cott somewhat childish its concep tion ineffectiveness water under bridge point Cana dians expected put bid host 1980 Scale World Championships Ottawa sincerely hope will tempt organize CL Scale WC event part festivities Under circum stances seems cancella tion CL Scale event Woodvale year product Scale events being tied Control Line gen eral WC reflection current interest FAI CL Scale FAI Canadian organizers should remember CL Scale event well attended strongly contested previous Scale World Championshipsincluding 1974 Lakehurst New Jersey Mike Gretz Box 162 Montezuma IA 50171 CL Racing/Lee continued page 39 sound just like Well let copy last rule assumed usual sportsman ship conduct Northwest competitors will prevail running event event director may disqualify entrant feels competing within intent spirit event Sound good Heres part note Mike added wrote newsletter Note unique rule #8 above 77 NW Regionals Racing Events Director Sport Race entrants threatened disqualification appeared competing too seriously Further highly suggested smile lot show everybody what fun having Im serious Again group racing fliers poking what ails us compete-at-any-cost syndrome seems make com petitors forget because want have fun Fast Goodyears have pretty good year Goodyear year competing Scale Race course flying has done District 8 did get chance compete Winston Salem Bill Pardues AAAA contest lucky enough win not-great time 606 However times get better season wore Turned 600 flat contest New Orleans nearly wrecked good plane Ft Worth solder joint con trol system come loose causing pancake some repairable damage didnt fly Nats since CL Category Director later wentto South western Control Line Championships Dallas Labor Day turned real good 542 Competition Dallas very good especially Goodyear Bud Doug Harris Kerry Turner Mike Wheeler Jim Ong attendance having placed top five six Open Senior Goodyear Lake Charles 100 Model Aviation -U C Plans Ae lUeded TO Inspire B18s 5i%SI 14o, 810 Bo,6$20 108 Boe 8-17G En, $48 5 100 845- 77 Boe 817 Bomb $30 58 Boeog 88 Benob$13SI 8oe B-17G Fort$25 54 Vgl Corair 025$2099 N 81k Widom P5$69 83 C SkyteoPIe P5F1 $16 48 N 81k Widon P51 $26 48$ Koydel P017 814 81 DPI MoW Bomb $36 * 60 Dog 058 CBS 515 41 88 Moq Bonb $18 42 Boeorg P26A $18 9$ lad Boob 114 $49 45 Boeag P482 P12 $14 50 Hodon Bomber $18 * 47 Cobook P1 IC2 $18 55 NA MiteIeI 825 $22 62 Coo Heek P60 $39 50 Monk 826 Boob 25 ....a.4 47 Cart 80.k P68 527 65 Marlin 826 Bomb $42 Ai~47 Cart C Helldioe $18 68 Sank JU 885 8o, $18 57 Ca 01 E P0180 $20 51 Jonk JU 88S Boo $13 ot SOSCi Sea 515 46 Jon Stalno JU$7 $22 4$ GlorGlodioto g 10E7$17 04$12 93 G8 Beonco 988 17 46 BnaloIMIC 81 $1454 Parhild P01818 43 Neo II EooTie $14 54 lfir$17 42OH2$oo Boo 10 $14 PBICB INCLUDE PSTERNS 501811 Cork DjA1 16 .SSVnkerConBo $18 S.*.45V,ber PB12B&C $14 SEND Si Complete Potorial Catalog •..sAddlO% ALL ORDERS Nicknamed Whistling Death Japanese foes F4U Corsair scored incredible 11to-i kill/lou average during World War II also Americas first 400mph-plus fighter Dick Scrogin built 36 span model version Sterling kit powered itwitha Fox 35 SPITFIRE Still best combination ot looks & performance buy Nobody ever designed elegant ship Spitfire model flies superbly has won countless standoff scale contests standard kit builds Mk 9 Plan includes details other Marks like beautiful Mk 22 Kit features Machined diecut balsa formed LG nylon fittings metal parts & mouldings Two full-size plans complete radio & retract gear installation shown Isometric diagram & illustrated instructions make building easy fun Six-color accurate decals Span 65 Area 714 Sq 4 6 channel Engine 40 60 Nats first weekend October 1 back Ft Worth turned 532 pat myself back scene lead-in few words fast Goodyears Right now some real good run ning planes country several con sistently low 15s couple 14s Im fortunate have reg ularly running 145 148 seconds /2 mile does go cotton-pickin fast tell truth dont know have some ideas Ill pass along might look pictures col umn Engine run old small-crank Rossi originally set up George Aldrich switched ABC piston liner two years ago feel best set-up liner/piston completely stock two got last winter Bud Harris also feel small crank Rossi superior engine later large crank versions can keep together So far knock wood have yet blown up engines Second prop have using Kelly fiberglass props several years Initially used Tornado nylon 7-6 cut about 6- quite competitive five years ago first 7-6 props Kelly produced fiberglass copy Tornado nylon found merely switching nylon glass worth about 5 sec day race ticked prop pit found about other nd later measurement showed diameter down about 6 e used Riverside 77 placing fifth Well year built new plane went out early May test last years prop going about 153 1 couple Kellys new props Wil loughby 6/4-5 actually 6-6 measured prop prop Stew Willoughby used Riverside basically thinnedblade version Kelly Tornado equiv alent switched prop stock new plane immediately went 148 Props its Third plane Goodyears have somewhat unique over years have built last six years totally internal controls pushrod control horn everything have consis tently striven make airplane slip pery possible building land ing gear fuselage out air believe new plane best far except quick-fill tube everything could cause serious drag hidden behind engine built inside profile fuselage dont know items terribly important taken individually total combination works planes performance will attest W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 40 means fly-aways because greater differences line length Id noticed certain fliers always involved fly aways upon close inspection found invariably stood several feet behind other person zeroed lines Some pilots use outboard wing foam model snag string cuts through foam locks assure kill pictures shows good example Streamers also big problem con tests Light string doesnt cause damage models wrap up engines has other drawbacks shock hitting crepe paper often broke string some times broke just stress 100 mph speeds 140-mph for. Texans Heavy string down center streamer way go rolling up streamers always hassle Bill Allen uses clothes pin arrangement low-speed drill Just insert end streamer apply power very lit tle effort have nicely rolled streamer Taped streamers stand up rainy weather usually require prop cut Note new crepe paper 8 feet dont mix em up old 10-foot variety Also sure leave enough string ahead mark tie securely plane Differential propsfact fiction first heard about MACA Newsletter few months back thought someone pulling leg Aero Challenge cornered Bob Burch found out straight scoop scoop may needed Seems prop-making machine pro ducing props h blade other pylon racers true up hub anyway could have cared less combat lads found prop worked better left differential pitch Top-end speed supposed enhanced higher pitch blade turns better because lower-pitch blade Props funny things air argument theory good anyone elses theory theories has always little possible scientifically youll get hung up experiments forget about what youre doing flying combat bash em-crash em event like lends itself seat-of-thepants research anything very sci entific scientific approach piloting skills would greater value diffe rential pitch props quest free horsepower still since its easier use prop true up blades hope something gained least lost Three props courtesy Bob Burch may help make up mind Write quickly have test results can publish next issue Check out picture tuned pipe FAI combat model may way go noise presents problem future Pipes can designed work over very broad range great boost performance really needed just less noise dependability Charlie Johnson 3716 Ingraham St San Diego CA 92109 SAFE FLYING IS NO ACCIDENT February 1979 101 2657 NE 188th Street Miami Florida 33180 Telephone 935-1436