Control Line Aerobahcs HERE ARE SOME ideas running good contest summer PAMPA classes discussed last month way induce contestants enter stunt event Since writing writer has received several contest fliers stating PAMPA classes will tried contest summer difficult recruit trained experienced judges unless happen few active Stunt fliers area always possible have least practice session judges before contest talk over scoring flight pat terns Under sanction PAMPA board directors Fred Miles P0 Box 272 Mohegan Lake NY 10547 has volun teered establish judges association within PAMPA organization currently working guidelines train ing judges different levels judging experience judges pool Nationals FAI competitions trick used speed up contests conduct appearance judging soon contestants arrive field time flying starts majority airplanes can already judged allowing speedy contest Another idea have next flier line ready go soon previous flight completed should have lines connected helper standing handle ready move onto circle writers opinion provisions contest administration virtually non-existent rule book instance Wynn Paul sport swimming specific sections devoted administration national championships such items starting times number judges diving handle large number entries methods seeding contestants heats etc Diving swimming gym nastics track ice skating depend almost entirely upon volunteers run both local meets National Champion ships just precision aeroba tics writer feels PAMPA should draw up set guidelines conduct Nationals FAI tryouts local contests item missing rule book treatment attempts should flier allowed make second attempt Most contests allow event director rule directly writer feels some cases puts too much responsibility event director bad engine setting broken prop event directors will rule flier must make next attempt after next flight wreck blown engine etc event director uses judgment readiness flier put up next attempt writer feels should some explanation about attempts rule book specifically rule 297 rule book states rules 297 299 some very general rules conduct contest nothing specific deter mining order flying given Most contests use pull number out hat method determining order flying Certainly method favors no Left Young Bob Peterson gets en essist prep ping OX Max 36 Tempest Bob Whitely Below Degreesing Lews Akromester after successful Open Stunt Finals flights old-hand Low McFarland Both pix 1974 Nats lets chance rule roost However has method proposed allows fliers similar abilities fly con secutively First suggested Al Rabe championed writer ever since summary seeding method flight order local contest example 20 contestants would fly first round conventional draw method num ber up 30 contestants first round flight scores divided three groups case 20 contestants would divided Group lowest six scores Group II middle seven scores Group III highest seven scores group determines its own flying order draw second round Group will fly first followed Group II group III allows fliers similar abilities judged after other should provide judging writer feels difficult judge novice flier ie score 350 followed expert ie score 530 go back try judge another novice Some arguments against method 1 discriminates against mediocre beginner pilot putting experts last scores usually balloon anyway 2 Since scores usually balloon toward end judging day Group III will receive benefit ballooning have big increases scores 3 Some feel method separates fliers groups continued page 86 June 1976 27 MORE wA9TiOir-flid jaster o same powerYELLOWN B de Go ~erePROPELL 2 304 Blade63 64354 Pusher74 76 75 504 Sieach84 86 88654 94 9-6 97 qg 63 64 354 i04 106 85 \e\ -8-6854114 116 ltB1 9-6106i RC 124 3 Blade Tractort2 5 126 150 55-3 54 6-3 6-4504GRISH 3 BladePusher SR OS 63ST JOHN INDIANA 46373 RC Pylon continued airfoil root chord will 7/8 ratio thickness chord root must maintained tip section well slight variation PROPS rules will allow taper-wing planform have proportionately thinner airfoil section tips Calling fixed 7/s-in thick airfoil section mini mum right tips will produce awkward wing section might tend keep constantchord wing sensible planform would minimize choice wing designs essentially eliminates hope originality wing may have planform example constant chord tapered leading edge tapered trailing edge swept hack hut no delta wings flying wings will permitted Fidelity scale racing planes required Neither rac ATTENTION NATIONALS CONTESTANTS Fly FOX products 1976 Nationals win CASH AWARD addition trophy $200 cash 1st place events Combat r Open CL Stunt r Open RC Pattern s D RC Quarter Midget $100 cash 1st place other event Requirements win using Fox engine fuel plug Procedure -- Between 5 PM arid tO PM bring winning modet trophy motel will take pictures get advertising reteases signed hand check Fox introducing several new products may wish try partial tist Fox 36 Rear Exhaust mproved version motor won Profite carrier 1976 Avaitable Ball Bearing & Bushing versions FOX combat Speciat ticatty improved over 6975 modet power-smoother runningmore durable Insert available Slow combat Fox l5BB lable several variations competition modet features i crank shaft structure race over 30000 RPM FOX MANUFACTURING CO 5305 Towson / Ft Smith AR 72901 ing canopies pilot heads wheel pants landing gears matter 6 Engine Cia-Off Provision must made some type positive engine cut-off can simply wire squeeze off fuel line full elevator control possibly Tatone Fuel Shut-Off Valve attached control surface extreme Rigid fuel pick-up tubes side tanks require plane held verted fuel exhausted expressly bidden rule necessary safe flying popular spectator sport such being able kill engine immediately can real hazard 7 Race Courae Use three pylon course shown following 80aiX START/FINISH LINE X #a 100230 Bob Aberle continues think about covers might add com ments strictly own representative club Unfortunately local Long Island Pylon Racing has practically non-existent lack enthusiasm primarily due lack single uniform set racing rules n US other problems directly related Up now kit manufacturers have held off production pylon racers because potential losses might incurred final rules end up significantly different present racing designs thing publish design magazine just think cost involved tool up production run new kits Once rules finally put bed entirely possible big kit manufacturers ARFs semi ARFs will get act offering cheap yet practical i/2A pylon racers would just start never know may still see day again new 049 en gine will hit market name other Cox Keep plugging lets put together 76 address 4477 136th Hawthorne CA 90250 THREE PYLON RACE COURSE CL Aerobatics/Paul continued page 27 cannot break out 4 People overruns engine failures etc first round will discriminated against having fly Group finals 5 best flier will win anyway make things complicated As stated earlier seems good deal fair judge novice beginner fliers same time comparison like abilities can used Also chance method flight order allows someone gets lucky draw wind just right put up good flight sit back others have fight wind later round opposite can happen wind being up start round dying down end 20 flights selective grouping seeding groups similar ability will have somewhat similar atmospheric conditions method seeding tried 1975 Nationals England according PAMPA correspondent Glen Alison worked out quite well three groups fliers second third round flights England uses FAI scoring three official flights Al Rabes original proposal directed toward seeding Nationals best five seven fliers taken off qualifying circle Briefly idea three qualifying circles six quali fiers circle number six qualifiers flew first finals followed number five qualifiers circle number four men etc suggested number qualifiers circle would draw positions within group proposal kept same flying order second round finals What writer has proposed slight modification Als basic proposal fitted local contest Nationals competition writer feels draw should used first round finals seeding method should used second round However writer strongly desires change Nationals format winner determined best two three official flights Picking National Champion flight chancy entirely fair expecially using blind draw since have national champions deter mined early late draws ideal bad wind conditions about trying method deter mining flight order summer contest will used Mid-America Championships Lexington KY Instruc tion sheets showing utilize seeding method well PAMPA classes competition will mailed out CDs contests AMA calendar well being sent anyone writes author 1640 Maywick Drive Lexington KY 40504 86 Model Aviation 8-68-B 125 X49-610-6 10-4 iSO 33LADE10 6 Pusher MlaIIic Alenwaum Color150
Edition: Model Aviation - 1976/06
Page Numbers: 27, 86
Control Line Aerobahcs HERE ARE SOME ideas running good contest summer PAMPA classes discussed last month way induce contestants enter stunt event Since writing writer has received several contest fliers stating PAMPA classes will tried contest summer difficult recruit trained experienced judges unless happen few active Stunt fliers area always possible have least practice session judges before contest talk over scoring flight pat terns Under sanction PAMPA board directors Fred Miles P0 Box 272 Mohegan Lake NY 10547 has volun teered establish judges association within PAMPA organization currently working guidelines train ing judges different levels judging experience judges pool Nationals FAI competitions trick used speed up contests conduct appearance judging soon contestants arrive field time flying starts majority airplanes can already judged allowing speedy contest Another idea have next flier line ready go soon previous flight completed should have lines connected helper standing handle ready move onto circle writers opinion provisions contest administration virtually non-existent rule book instance Wynn Paul sport swimming specific sections devoted administration national championships such items starting times number judges diving handle large number entries methods seeding contestants heats etc Diving swimming gym nastics track ice skating depend almost entirely upon volunteers run both local meets National Champion ships just precision aeroba tics writer feels PAMPA should draw up set guidelines conduct Nationals FAI tryouts local contests item missing rule book treatment attempts should flier allowed make second attempt Most contests allow event director rule directly writer feels some cases puts too much responsibility event director bad engine setting broken prop event directors will rule flier must make next attempt after next flight wreck blown engine etc event director uses judgment readiness flier put up next attempt writer feels should some explanation about attempts rule book specifically rule 297 rule book states rules 297 299 some very general rules conduct contest nothing specific deter mining order flying given Most contests use pull number out hat method determining order flying Certainly method favors no Left Young Bob Peterson gets en essist prep ping OX Max 36 Tempest Bob Whitely Below Degreesing Lews Akromester after successful Open Stunt Finals flights old-hand Low McFarland Both pix 1974 Nats lets chance rule roost However has method proposed allows fliers similar abilities fly con secutively First suggested Al Rabe championed writer ever since summary seeding method flight order local contest example 20 contestants would fly first round conventional draw method num ber up 30 contestants first round flight scores divided three groups case 20 contestants would divided Group lowest six scores Group II middle seven scores Group III highest seven scores group determines its own flying order draw second round Group will fly first followed Group II group III allows fliers similar abilities judged after other should provide judging writer feels difficult judge novice flier ie score 350 followed expert ie score 530 go back try judge another novice Some arguments against method 1 discriminates against mediocre beginner pilot putting experts last scores usually balloon anyway 2 Since scores usually balloon toward end judging day Group III will receive benefit ballooning have big increases scores 3 Some feel method separates fliers groups continued page 86 June 1976 27 MORE wA9TiOir-flid jaster o same powerYELLOWN B de Go ~erePROPELL 2 304 Blade63 64354 Pusher74 76 75 504 Sieach84 86 88654 94 9-6 97 qg 63 64 354 i04 106 85 \e\ -8-6854114 116 ltB1 9-6106i RC 124 3 Blade Tractort2 5 126 150 55-3 54 6-3 6-4504GRISH 3 BladePusher SR OS 63ST JOHN INDIANA 46373 RC Pylon continued airfoil root chord will 7/8 ratio thickness chord root must maintained tip section well slight variation PROPS rules will allow taper-wing planform have proportionately thinner airfoil section tips Calling fixed 7/s-in thick airfoil section mini mum right tips will produce awkward wing section might tend keep constantchord wing sensible planform would minimize choice wing designs essentially eliminates hope originality wing may have planform example constant chord tapered leading edge tapered trailing edge swept hack hut no delta wings flying wings will permitted Fidelity scale racing planes required Neither rac ATTENTION NATIONALS CONTESTANTS Fly FOX products 1976 Nationals win CASH AWARD addition trophy $200 cash 1st place events Combat r Open CL Stunt r Open RC Pattern s D RC Quarter Midget $100 cash 1st place other event Requirements win using Fox engine fuel plug Procedure -- Between 5 PM arid tO PM bring winning modet trophy motel will take pictures get advertising reteases signed hand check Fox introducing several new products may wish try partial tist Fox 36 Rear Exhaust mproved version motor won Profite carrier 1976 Avaitable Ball Bearing & Bushing versions FOX combat Speciat ticatty improved over 6975 modet power-smoother runningmore durable Insert available Slow combat Fox l5BB lable several variations competition modet features i crank shaft structure race over 30000 RPM FOX MANUFACTURING CO 5305 Towson / Ft Smith AR 72901 ing canopies pilot heads wheel pants landing gears matter 6 Engine Cia-Off Provision must made some type positive engine cut-off can simply wire squeeze off fuel line full elevator control possibly Tatone Fuel Shut-Off Valve attached control surface extreme Rigid fuel pick-up tubes side tanks require plane held verted fuel exhausted expressly bidden rule necessary safe flying popular spectator sport such being able kill engine immediately can real hazard 7 Race Courae Use three pylon course shown following 80aiX START/FINISH LINE X #a 100230 Bob Aberle continues think about covers might add com ments strictly own representative club Unfortunately local Long Island Pylon Racing has practically non-existent lack enthusiasm primarily due lack single uniform set racing rules n US other problems directly related Up now kit manufacturers have held off production pylon racers because potential losses might incurred final rules end up significantly different present racing designs thing publish design magazine just think cost involved tool up production run new kits Once rules finally put bed entirely possible big kit manufacturers ARFs semi ARFs will get act offering cheap yet practical i/2A pylon racers would just start never know may still see day again new 049 en gine will hit market name other Cox Keep plugging lets put together 76 address 4477 136th Hawthorne CA 90250 THREE PYLON RACE COURSE CL Aerobatics/Paul continued page 27 cannot break out 4 People overruns engine failures etc first round will discriminated against having fly Group finals 5 best flier will win anyway make things complicated As stated earlier seems good deal fair judge novice beginner fliers same time comparison like abilities can used Also chance method flight order allows someone gets lucky draw wind just right put up good flight sit back others have fight wind later round opposite can happen wind being up start round dying down end 20 flights selective grouping seeding groups similar ability will have somewhat similar atmospheric conditions method seeding tried 1975 Nationals England according PAMPA correspondent Glen Alison worked out quite well three groups fliers second third round flights England uses FAI scoring three official flights Al Rabes original proposal directed toward seeding Nationals best five seven fliers taken off qualifying circle Briefly idea three qualifying circles six quali fiers circle number six qualifiers flew first finals followed number five qualifiers circle number four men etc suggested number qualifiers circle would draw positions within group proposal kept same flying order second round finals What writer has proposed slight modification Als basic proposal fitted local contest Nationals competition writer feels draw should used first round finals seeding method should used second round However writer strongly desires change Nationals format winner determined best two three official flights Picking National Champion flight chancy entirely fair expecially using blind draw since have national champions deter mined early late draws ideal bad wind conditions about trying method deter mining flight order summer contest will used Mid-America Championships Lexington KY Instruc tion sheets showing utilize seeding method well PAMPA classes competition will mailed out CDs contests AMA calendar well being sent anyone writes author 1640 Maywick Drive Lexington KY 40504 86 Model Aviation 8-68-B 125 X49-610-6 10-4 iSO 33LADE10 6 Pusher MlaIIic Alenwaum Color150