Adventures Modeling busy We-Fly-Lab comes two distinguished kits Top Flite Tutor CL Stunt Carl Goldbergs Falcon 56 MK II RC EBob Harrah PUTTING things perspective begin- ning Jim Walker creator U Control flying year 1940 U Control derived opposite Free Flight same struggles Gas-Powered Free Flight faced Rubber-Powered Free Flight including controversy surfaced compressed-air power competition gliders spite conflict state-of-the-art advance ment caused revolution among donttread-on-me modelers survived flourished now possible 14 sanctioned events can entered national competition level four international level course now called Control Line CL events names such G-Line Controliner ring awhile Historically have unique challenging developments CL facet sport couple impressive would Fox economy package Tutor make nifty flying combination package includes everything needed make machine go engine tank reelhobby shops have variety packages suit CL needs Perfect 4-oz tank installedand wheels Williams manufacturers publicity shot affords striking impression color schemes can make same airplane lookdifferent Iron-ons make man artistor artiste Tutor patterned after world championship Gieseke Noblerits lineage impeccable October1979 59 major challenge modelers today Mini Whirlaway speed model Berkeley Models vintage 1954 Ares National Stunt CL winner years Ambroid Models Mini could flown 049 Thermal Hopper Atwood Wasp engine preformed hollow aluminum wings plywood stabilizer rudder gutted solid balsa fuse lage catch wing span whop ping 8 inches Ares aside being consistent winning design required craftsman ship building techniques found sophisticated kits Ares featured inboard wing longer outboard Editors Note As did earlier Veco Chief et al instead equal wing lengths today weight added outboard wing such Tutor Both used elevator coupled full working flaps picture Tutor Jim Walker Fire Ball benefit familiar what CL has evolved Bunch 45 shown Originally Ohlsson & Rice 23 used uncommon see some using Ohlsson & Rice 60 middle forties Speed name game Fire Ball shown weighed out 32 ounces ready-to-fly Tutor 30 ounces less fuel over twice wing area Fire Ball originally built late Dale Wiley long-time modeler hobby shop owner Southern California area restored model scheduled 60 Model Aviation all-new Trim Seal Tool isa well-thought-out device forapplying MonoKote-type materials necessity luxury professional finish ge nto tight cornersand isa hL.b u-Fly-Lab fortesting application MonoKote hinges Above R Control surface fiat leading edge action Below L Control surface rounded leading edge action Center Using rounded squared edges MonoKote hingesnote sealing off increasing gap hinge moves rolling manner instead bending Below R Hinges undertest at500 cycles per minuteforover6OOOO cycles left counter microswitch used right variable power supply out plc total throw 2 two white lines black line leading edge fin NO OCR TEXT shows specially designed tip fillets curves attached Trim Seal Iron Besides semi-cone shaped tip shown isawell thought out flat tip hard-to-get places thermostat preset high low heat high MonoKote low materials like Econokote Hot Stripe iron comes lug stops tip shank held place two set screws Sid asked test tips lugs found tips less heat loss down shanks lugs removed shank moved further heating element orifice locked place set screws also found procedure allowed intermediate temper ature control higher heat could main tained needed will good additions professional finish jobs will replace collection butter knives punches bent rods have preheating years trying accomplish same task Tutor introduced Top Flite part two-prong program offering tutoril system first followed winners circleThat after have become proficient enough build fly new Top Flite Grieske Nobler proven winner kit exact duplicate original further augment tutorship Fox Starter Set control-line fliers natural inexpensive companion Fox 35 profile starter kit No 81035 Starting Fox 35 CL stunt engine package includes fuel tank handles control lines connectors also wheels fuel line bellcrank spare glow plug fuel filter wheel collars spinner nut wrench other hardware instructions helpful hints guidelines included package worth investment alone heeded Construction finishing Tutor comprehensively covered manufacturer included kit type CL design necessitates complete installation check ing control mechanisms before final sheet ing wing Tutor features unique adjustable lead-out wire guide before Continued v 120 Above New Metallic Aztec gold Monokote otters attractive way finish airplane Plc shows Fox fuel filter line entering topwas found after testing fuel flow better bottom convenient have needle valve reversed top Below red carpet Tutor really roll red Monokotethe splotches reflections created camera angle light placement Bob Haden Jeanette PA has already won three 1ST PLACE Helicopter trophies Tn Valley Static Show Pittsburgh PA WRAMS RIO Jam boree White Plains NY Toledo Weak Signals 24th RIO Exposition Toledo Ohio super sharp highly modified Kaven Bell Jet Ranger Bob says As can see photo Formula-U really helped make highly detailed paint job turn out great base color Flight Aluminum Raven Black nose Metallic Red Fiery Orange Aviation Yellow trim Im happy tell Formula-U stands up tool Prior photo model flown 6 times plus friction wear transporting shows events over country happy proud Bob pleased Formula-Us perform ance hope will give try next model Heres few winning reasons might consider 18 popular Gloss Metallic Flat flight line colors matching brush spray Quick Drying One-Step System OneCoat Coverage Higher Gloss Finish Fuel-Proof Mar-Resistant Lightweight Super Tough AND matches Pactras Solarfilm Colors NEED FINISHING HELP! Send $100 complete step-by-step fully illustrated instruction book covering PACTRA FINISHING SYSTEMS pwirn 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 decided couldnt beat us cubic inches theyd beat us cubic dollars may sound like sour grapes seems awful waste put Tune 36 Ringmaster rest case Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Tutor/Harrah continued page 62 mounting wingtip make sure works free flash removed slide lock mounted sheet metal screw substituted nut bolt lock washer additional locking strength Usually wing control flap elevator half will weigh other Put heavy parts outboard may save use un wanted weight later use ofMonoKote hinges recommended topic has postulation hard data approach cursory first glance started kicking around safety factor aerodynamic characteristics test fixture developed conjured up box gadgets might use someday should throw out hate worst condition test As picture exhibits used long vertical fin rudder order induce flutter strains unequal force top bottom Using Galloping Ghost actuator Rand coupled con trollable power source micro-switch counter set pulse rate between 495 535 cycles per minute tests stopped after two hours accumulated intermittent run ning over-strain motor over 60000 cycles rudder hinges purposely attached loose out alignment About 2000 additional cycles run air pressure force great enough rudder stop full throw direction Observation conclusions after tests hinges showed no points failure performed yond expectations end-view pictures trailing edge control surfaces attached show hinge works rolling manner rather bending action An interesting aspect rounded squared surfaces snugly mounted other react same way actuated tend seal off gap direction theyre moved Short running com plex wind tunnel tests application different airfoils some theories can made model applications case Tutor using symmetrical airfoil full working control flaps coupled elevator type hinge aerodynamically efficient assume general rule few exceptions upper camber line convexity curve airfoil its chord greater length lower camber line lift created conversely lift less case Tutor up-flaps/down-elevator effective lift would maintained wing lessened stabilizer turn will increase control surfaces efficiency sealing off gap surface increasing other end result being tighter uniform loop square loop could accomplished shorter radius curves corners reverse down-flaps/up-elevator wing lift would de crease stabilizer would still offer stability plus increased control surface effectiveness aiding same way above outside loops approach applicable control surfaces strictly up/down left/right conditions vertical horizontal line axis interested applicabil ity MonoKote type hinges ailerons flaps other factors must considered Flaps would benefit landing under-the-wing type upper wing camber extended over gap would assist takeoff Because amount control surface strip ailerons type hinge could considered Small wing tip type ailerons could neutralized since lift increase and/or loss needed occurs opposite and/or wrong ends wing Straight level flying long slow bank turns rudder-assist would probably controllable Because majority wing lift occurs within first 10 25% wing span beginning atthe root spin wing tip stall could uncontrollable unless other corrective measures taken proper mounting hinges and/or others little complex just having something move back forth up down Models capable attaining speeds hundreds miles per hour same real-size airplane like real airplanes can crash because structural failure neglect has shown through tests hinges will work properly longer periods time life expectancy models problem builder Hinges must mounted securely suf ficient number proper alignment unblemished control surface must square and/or parallel mating surface no binding twisting checked maximum throw control surface itself must designed constructed rigidly enough wont flutter under anticipated forces type flying Kits like Tutor have designed engineers experienced matters want make change make sure 120 Model Aviation can winner too! WITH FORMULA-U POLYURETHANE FINISH FOR GAS POWERED MODELS know what results will seek help Control-line flying usually takes place populous areas other forms sport therefore has historically frequented spectators Further group modelers flying theyre closer proximity airplane flying very important manufacturers safety recommendations fol lowed use AMA requirements pull-tests strictly adhered should considered minimal safety guidelines En forced flying site rules will make sport safer should take away challenges fun education daredevilry offered aeromodeling Tutor has tutored us we-fly-lab forced us look new ideas objectively has proven further manifestation what Jim Walker started almost 40 years ago adventure some Top Flite Fox products has once again shown important part industry plays sport Hope have much fun growth products did Glider WC/Pruss continued page 58 fourth Miller high man team 11th top three places remain un changed Round six starts out dramatically Kop Ian starts working time finds out has no radio action plane Since its start round can use other plane its across field Skip super-human effort gets plane launch made Terry gets 4 laps Skip gets 10 Steve 9 Only 16 filers get 12 taps three Germany USA 66% perfect 3000 points Later bad switch found gremlin Terrys plane duration Terry makes excellent comeback flier score per fect 0600/100 Skip followed 0557/100 Steve 0440/100 USA 94% perfect South Africa 99% end round still Sitar Wackerle Decker four five six Spavins Gerneke Roos South Africa enough give South Africa lead first time over Austria mere 364 points out 33000 Germany third Hol land fourth USA fifth Saturday July 7 last scheduled day competition Eight rounds 16 flights planned contest after first day fog schedule back normal thanks contest director Madam Paulette Halleux Belgium Aero Club However meant flying until 945 pm second third days get back schedule As round seven began USA found self fifth place slightly ahead Great Brit ain just behind Holland South Africa 364 points lead over Austrla Germany solid third place Austrians have averaged 1058 seconds nine speed runs USA av eraged 138 seconds South Africa aver aged 128 seconds 82% Austrians score pace slightly ahead what USA team figured would take win Round seven begins wind about 8-10 mph Wackerle Werner Sitar clock 104 107 speed Herbert Sitar almost loses plane canopy acts speed brake comes open base B flies downwind leg open still clocks 131 Steve turns 128 Skip 133 Terry 138 wind increases Aus trlans win task USA 20% off Austrians pace wind continues increase guys neatest bit thermal flying meet three max following lift downwind dam near out sight USA wins task Wackerle has perfect 0600/100 Coupled speed run gives him 2000 points round other perfect 2000 score meet far Westgaardronning Norway back second round However USA gets Holland holds fourth place 445 points Austria back first place South Africa 337 points behind Top three individ ual slots held Wackerle Werner Sitar Frikkie Roos Skip Miller seventh Round eight begins duration wind 18 mph Skip plays llght bubble downwind others flight group drop out sky same gutsy technique kept him top duration seven rounds However time lift/drift trade off too great drift side has make back whatever score can get Getting back nearly impossible four minutes bird lands barely field out 100-meter range spot meant no fllght points immediate re launch made utilizing remaining 0145 flight scorc 85-point landing will cost him couple places indi vidual standings keeps team placing October1979 121
Edition: Model Aviation - 1979/10
Page Numbers: 59, 60, 61, 62, 120, 121
Adventures Modeling busy We-Fly-Lab comes two distinguished kits Top Flite Tutor CL Stunt Carl Goldbergs Falcon 56 MK II RC EBob Harrah PUTTING things perspective begin- ning Jim Walker creator U Control flying year 1940 U Control derived opposite Free Flight same struggles Gas-Powered Free Flight faced Rubber-Powered Free Flight including controversy surfaced compressed-air power competition gliders spite conflict state-of-the-art advance ment caused revolution among donttread-on-me modelers survived flourished now possible 14 sanctioned events can entered national competition level four international level course now called Control Line CL events names such G-Line Controliner ring awhile Historically have unique challenging developments CL facet sport couple impressive would Fox economy package Tutor make nifty flying combination package includes everything needed make machine go engine tank reelhobby shops have variety packages suit CL needs Perfect 4-oz tank installedand wheels Williams manufacturers publicity shot affords striking impression color schemes can make same airplane lookdifferent Iron-ons make man artistor artiste Tutor patterned after world championship Gieseke Noblerits lineage impeccable October1979 59 major challenge modelers today Mini Whirlaway speed model Berkeley Models vintage 1954 Ares National Stunt CL winner years Ambroid Models Mini could flown 049 Thermal Hopper Atwood Wasp engine preformed hollow aluminum wings plywood stabilizer rudder gutted solid balsa fuse lage catch wing span whop ping 8 inches Ares aside being consistent winning design required craftsman ship building techniques found sophisticated kits Ares featured inboard wing longer outboard Editors Note As did earlier Veco Chief et al instead equal wing lengths today weight added outboard wing such Tutor Both used elevator coupled full working flaps picture Tutor Jim Walker Fire Ball benefit familiar what CL has evolved Bunch 45 shown Originally Ohlsson & Rice 23 used uncommon see some using Ohlsson & Rice 60 middle forties Speed name game Fire Ball shown weighed out 32 ounces ready-to-fly Tutor 30 ounces less fuel over twice wing area Fire Ball originally built late Dale Wiley long-time modeler hobby shop owner Southern California area restored model scheduled 60 Model Aviation all-new Trim Seal Tool isa well-thought-out device forapplying MonoKote-type materials necessity luxury professional finish ge nto tight cornersand isa hL.b u-Fly-Lab fortesting application MonoKote hinges Above R Control surface fiat leading edge action Below L Control surface rounded leading edge action Center Using rounded squared edges MonoKote hingesnote sealing off increasing gap hinge moves rolling manner instead bending Below R Hinges undertest at500 cycles per minuteforover6OOOO cycles left counter microswitch used right variable power supply out plc total throw 2 two white lines black line leading edge fin NO OCR TEXT shows specially designed tip fillets curves attached Trim Seal Iron Besides semi-cone shaped tip shown isawell thought out flat tip hard-to-get places thermostat preset high low heat high MonoKote low materials like Econokote Hot Stripe iron comes lug stops tip shank held place two set screws Sid asked test tips lugs found tips less heat loss down shanks lugs removed shank moved further heating element orifice locked place set screws also found procedure allowed intermediate temper ature control higher heat could main tained needed will good additions professional finish jobs will replace collection butter knives punches bent rods have preheating years trying accomplish same task Tutor introduced Top Flite part two-prong program offering tutoril system first followed winners circleThat after have become proficient enough build fly new Top Flite Grieske Nobler proven winner kit exact duplicate original further augment tutorship Fox Starter Set control-line fliers natural inexpensive companion Fox 35 profile starter kit No 81035 Starting Fox 35 CL stunt engine package includes fuel tank handles control lines connectors also wheels fuel line bellcrank spare glow plug fuel filter wheel collars spinner nut wrench other hardware instructions helpful hints guidelines included package worth investment alone heeded Construction finishing Tutor comprehensively covered manufacturer included kit type CL design necessitates complete installation check ing control mechanisms before final sheet ing wing Tutor features unique adjustable lead-out wire guide before Continued v 120 Above New Metallic Aztec gold Monokote otters attractive way finish airplane Plc shows Fox fuel filter line entering topwas found after testing fuel flow better bottom convenient have needle valve reversed top Below red carpet Tutor really roll red Monokotethe splotches reflections created camera angle light placement Bob Haden Jeanette PA has already won three 1ST PLACE Helicopter trophies Tn Valley Static Show Pittsburgh PA WRAMS RIO Jam boree White Plains NY Toledo Weak Signals 24th RIO Exposition Toledo Ohio super sharp highly modified Kaven Bell Jet Ranger Bob says As can see photo Formula-U really helped make highly detailed paint job turn out great base color Flight Aluminum Raven Black nose Metallic Red Fiery Orange Aviation Yellow trim Im happy tell Formula-U stands up tool Prior photo model flown 6 times plus friction wear transporting shows events over country happy proud Bob pleased Formula-Us perform ance hope will give try next model Heres few winning reasons might consider 18 popular Gloss Metallic Flat flight line colors matching brush spray Quick Drying One-Step System OneCoat Coverage Higher Gloss Finish Fuel-Proof Mar-Resistant Lightweight Super Tough AND matches Pactras Solarfilm Colors NEED FINISHING HELP! Send $100 complete step-by-step fully illustrated instruction book covering PACTRA FINISHING SYSTEMS pwirn 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 decided couldnt beat us cubic inches theyd beat us cubic dollars may sound like sour grapes seems awful waste put Tune 36 Ringmaster rest case Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Tutor/Harrah continued page 62 mounting wingtip make sure works free flash removed slide lock mounted sheet metal screw substituted nut bolt lock washer additional locking strength Usually wing control flap elevator half will weigh other Put heavy parts outboard may save use un wanted weight later use ofMonoKote hinges recommended topic has postulation hard data approach cursory first glance started kicking around safety factor aerodynamic characteristics test fixture developed conjured up box gadgets might use someday should throw out hate worst condition test As picture exhibits used long vertical fin rudder order induce flutter strains unequal force top bottom Using Galloping Ghost actuator Rand coupled con trollable power source micro-switch counter set pulse rate between 495 535 cycles per minute tests stopped after two hours accumulated intermittent run ning over-strain motor over 60000 cycles rudder hinges purposely attached loose out alignment About 2000 additional cycles run air pressure force great enough rudder stop full throw direction Observation conclusions after tests hinges showed no points failure performed yond expectations end-view pictures trailing edge control surfaces attached show hinge works rolling manner rather bending action An interesting aspect rounded squared surfaces snugly mounted other react same way actuated tend seal off gap direction theyre moved Short running com plex wind tunnel tests application different airfoils some theories can made model applications case Tutor using symmetrical airfoil full working control flaps coupled elevator type hinge aerodynamically efficient assume general rule few exceptions upper camber line convexity curve airfoil its chord greater length lower camber line lift created conversely lift less case Tutor up-flaps/down-elevator effective lift would maintained wing lessened stabilizer turn will increase control surfaces efficiency sealing off gap surface increasing other end result being tighter uniform loop square loop could accomplished shorter radius curves corners reverse down-flaps/up-elevator wing lift would de crease stabilizer would still offer stability plus increased control surface effectiveness aiding same way above outside loops approach applicable control surfaces strictly up/down left/right conditions vertical horizontal line axis interested applicabil ity MonoKote type hinges ailerons flaps other factors must considered Flaps would benefit landing under-the-wing type upper wing camber extended over gap would assist takeoff Because amount control surface strip ailerons type hinge could considered Small wing tip type ailerons could neutralized since lift increase and/or loss needed occurs opposite and/or wrong ends wing Straight level flying long slow bank turns rudder-assist would probably controllable Because majority wing lift occurs within first 10 25% wing span beginning atthe root spin wing tip stall could uncontrollable unless other corrective measures taken proper mounting hinges and/or others little complex just having something move back forth up down Models capable attaining speeds hundreds miles per hour same real-size airplane like real airplanes can crash because structural failure neglect has shown through tests hinges will work properly longer periods time life expectancy models problem builder Hinges must mounted securely suf ficient number proper alignment unblemished control surface must square and/or parallel mating surface no binding twisting checked maximum throw control surface itself must designed constructed rigidly enough wont flutter under anticipated forces type flying Kits like Tutor have designed engineers experienced matters want make change make sure 120 Model Aviation can winner too! WITH FORMULA-U POLYURETHANE FINISH FOR GAS POWERED MODELS know what results will seek help Control-line flying usually takes place populous areas other forms sport therefore has historically frequented spectators Further group modelers flying theyre closer proximity airplane flying very important manufacturers safety recommendations fol lowed use AMA requirements pull-tests strictly adhered should considered minimal safety guidelines En forced flying site rules will make sport safer should take away challenges fun education daredevilry offered aeromodeling Tutor has tutored us we-fly-lab forced us look new ideas objectively has proven further manifestation what Jim Walker started almost 40 years ago adventure some Top Flite Fox products has once again shown important part industry plays sport Hope have much fun growth products did Glider WC/Pruss continued page 58 fourth Miller high man team 11th top three places remain un changed Round six starts out dramatically Kop Ian starts working time finds out has no radio action plane Since its start round can use other plane its across field Skip super-human effort gets plane launch made Terry gets 4 laps Skip gets 10 Steve 9 Only 16 filers get 12 taps three Germany USA 66% perfect 3000 points Later bad switch found gremlin Terrys plane duration Terry makes excellent comeback flier score per fect 0600/100 Skip followed 0557/100 Steve 0440/100 USA 94% perfect South Africa 99% end round still Sitar Wackerle Decker four five six Spavins Gerneke Roos South Africa enough give South Africa lead first time over Austria mere 364 points out 33000 Germany third Hol land fourth USA fifth Saturday July 7 last scheduled day competition Eight rounds 16 flights planned contest after first day fog schedule back normal thanks contest director Madam Paulette Halleux Belgium Aero Club However meant flying until 945 pm second third days get back schedule As round seven began USA found self fifth place slightly ahead Great Brit ain just behind Holland South Africa 364 points lead over Austrla Germany solid third place Austrians have averaged 1058 seconds nine speed runs USA av eraged 138 seconds South Africa aver aged 128 seconds 82% Austrians score pace slightly ahead what USA team figured would take win Round seven begins wind about 8-10 mph Wackerle Werner Sitar clock 104 107 speed Herbert Sitar almost loses plane canopy acts speed brake comes open base B flies downwind leg open still clocks 131 Steve turns 128 Skip 133 Terry 138 wind increases Aus trlans win task USA 20% off Austrians pace wind continues increase guys neatest bit thermal flying meet three max following lift downwind dam near out sight USA wins task Wackerle has perfect 0600/100 Coupled speed run gives him 2000 points round other perfect 2000 score meet far Westgaardronning Norway back second round However USA gets Holland holds fourth place 445 points Austria back first place South Africa 337 points behind Top three individ ual slots held Wackerle Werner Sitar Frikkie Roos Skip Miller seventh Round eight begins duration wind 18 mph Skip plays llght bubble downwind others flight group drop out sky same gutsy technique kept him top duration seven rounds However time lift/drift trade off too great drift side has make back whatever score can get Getting back nearly impossible four minutes bird lands barely field out 100-meter range spot meant no fllght points immediate re launch made utilizing remaining 0145 flight scorc 85-point landing will cost him couple places indi vidual standings keeps team placing October1979 121
Edition: Model Aviation - 1979/10
Page Numbers: 59, 60, 61, 62, 120, 121
Adventures Modeling busy We-Fly-Lab comes two distinguished kits Top Flite Tutor CL Stunt Carl Goldbergs Falcon 56 MK II RC EBob Harrah PUTTING things perspective begin- ning Jim Walker creator U Control flying year 1940 U Control derived opposite Free Flight same struggles Gas-Powered Free Flight faced Rubber-Powered Free Flight including controversy surfaced compressed-air power competition gliders spite conflict state-of-the-art advance ment caused revolution among donttread-on-me modelers survived flourished now possible 14 sanctioned events can entered national competition level four international level course now called Control Line CL events names such G-Line Controliner ring awhile Historically have unique challenging developments CL facet sport couple impressive would Fox economy package Tutor make nifty flying combination package includes everything needed make machine go engine tank reelhobby shops have variety packages suit CL needs Perfect 4-oz tank installedand wheels Williams manufacturers publicity shot affords striking impression color schemes can make same airplane lookdifferent Iron-ons make man artistor artiste Tutor patterned after world championship Gieseke Noblerits lineage impeccable October1979 59 major challenge modelers today Mini Whirlaway speed model Berkeley Models vintage 1954 Ares National Stunt CL winner years Ambroid Models Mini could flown 049 Thermal Hopper Atwood Wasp engine preformed hollow aluminum wings plywood stabilizer rudder gutted solid balsa fuse lage catch wing span whop ping 8 inches Ares aside being consistent winning design required craftsman ship building techniques found sophisticated kits Ares featured inboard wing longer outboard Editors Note As did earlier Veco Chief et al instead equal wing lengths today weight added outboard wing such Tutor Both used elevator coupled full working flaps picture Tutor Jim Walker Fire Ball benefit familiar what CL has evolved Bunch 45 shown Originally Ohlsson & Rice 23 used uncommon see some using Ohlsson & Rice 60 middle forties Speed name game Fire Ball shown weighed out 32 ounces ready-to-fly Tutor 30 ounces less fuel over twice wing area Fire Ball originally built late Dale Wiley long-time modeler hobby shop owner Southern California area restored model scheduled 60 Model Aviation all-new Trim Seal Tool isa well-thought-out device forapplying MonoKote-type materials necessity luxury professional finish ge nto tight cornersand isa hL.b u-Fly-Lab fortesting application MonoKote hinges Above R Control surface fiat leading edge action Below L Control surface rounded leading edge action Center Using rounded squared edges MonoKote hingesnote sealing off increasing gap hinge moves rolling manner instead bending Below R Hinges undertest at500 cycles per minuteforover6OOOO cycles left counter microswitch used right variable power supply out plc total throw 2 two white lines black line leading edge fin NO OCR TEXT shows specially designed tip fillets curves attached Trim Seal Iron Besides semi-cone shaped tip shown isawell thought out flat tip hard-to-get places thermostat preset high low heat high MonoKote low materials like Econokote Hot Stripe iron comes lug stops tip shank held place two set screws Sid asked test tips lugs found tips less heat loss down shanks lugs removed shank moved further heating element orifice locked place set screws also found procedure allowed intermediate temper ature control higher heat could main tained needed will good additions professional finish jobs will replace collection butter knives punches bent rods have preheating years trying accomplish same task Tutor introduced Top Flite part two-prong program offering tutoril system first followed winners circleThat after have become proficient enough build fly new Top Flite Grieske Nobler proven winner kit exact duplicate original further augment tutorship Fox Starter Set control-line fliers natural inexpensive companion Fox 35 profile starter kit No 81035 Starting Fox 35 CL stunt engine package includes fuel tank handles control lines connectors also wheels fuel line bellcrank spare glow plug fuel filter wheel collars spinner nut wrench other hardware instructions helpful hints guidelines included package worth investment alone heeded Construction finishing Tutor comprehensively covered manufacturer included kit type CL design necessitates complete installation check ing control mechanisms before final sheet ing wing Tutor features unique adjustable lead-out wire guide before Continued v 120 Above New Metallic Aztec gold Monokote otters attractive way finish airplane Plc shows Fox fuel filter line entering topwas found after testing fuel flow better bottom convenient have needle valve reversed top Below red carpet Tutor really roll red Monokotethe splotches reflections created camera angle light placement Bob Haden Jeanette PA has already won three 1ST PLACE Helicopter trophies Tn Valley Static Show Pittsburgh PA WRAMS RIO Jam boree White Plains NY Toledo Weak Signals 24th RIO Exposition Toledo Ohio super sharp highly modified Kaven Bell Jet Ranger Bob says As can see photo Formula-U really helped make highly detailed paint job turn out great base color Flight Aluminum Raven Black nose Metallic Red Fiery Orange Aviation Yellow trim Im happy tell Formula-U stands up tool Prior photo model flown 6 times plus friction wear transporting shows events over country happy proud Bob pleased Formula-Us perform ance hope will give try next model Heres few winning reasons might consider 18 popular Gloss Metallic Flat flight line colors matching brush spray Quick Drying One-Step System OneCoat Coverage Higher Gloss Finish Fuel-Proof Mar-Resistant Lightweight Super Tough AND matches Pactras Solarfilm Colors NEED FINISHING HELP! Send $100 complete step-by-step fully illustrated instruction book covering PACTRA FINISHING SYSTEMS pwirn 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 decided couldnt beat us cubic inches theyd beat us cubic dollars may sound like sour grapes seems awful waste put Tune 36 Ringmaster rest case Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Tutor/Harrah continued page 62 mounting wingtip make sure works free flash removed slide lock mounted sheet metal screw substituted nut bolt lock washer additional locking strength Usually wing control flap elevator half will weigh other Put heavy parts outboard may save use un wanted weight later use ofMonoKote hinges recommended topic has postulation hard data approach cursory first glance started kicking around safety factor aerodynamic characteristics test fixture developed conjured up box gadgets might use someday should throw out hate worst condition test As picture exhibits used long vertical fin rudder order induce flutter strains unequal force top bottom Using Galloping Ghost actuator Rand coupled con trollable power source micro-switch counter set pulse rate between 495 535 cycles per minute tests stopped after two hours accumulated intermittent run ning over-strain motor over 60000 cycles rudder hinges purposely attached loose out alignment About 2000 additional cycles run air pressure force great enough rudder stop full throw direction Observation conclusions after tests hinges showed no points failure performed yond expectations end-view pictures trailing edge control surfaces attached show hinge works rolling manner rather bending action An interesting aspect rounded squared surfaces snugly mounted other react same way actuated tend seal off gap direction theyre moved Short running com plex wind tunnel tests application different airfoils some theories can made model applications case Tutor using symmetrical airfoil full working control flaps coupled elevator type hinge aerodynamically efficient assume general rule few exceptions upper camber line convexity curve airfoil its chord greater length lower camber line lift created conversely lift less case Tutor up-flaps/down-elevator effective lift would maintained wing lessened stabilizer turn will increase control surfaces efficiency sealing off gap surface increasing other end result being tighter uniform loop square loop could accomplished shorter radius curves corners reverse down-flaps/up-elevator wing lift would de crease stabilizer would still offer stability plus increased control surface effectiveness aiding same way above outside loops approach applicable control surfaces strictly up/down left/right conditions vertical horizontal line axis interested applicabil ity MonoKote type hinges ailerons flaps other factors must considered Flaps would benefit landing under-the-wing type upper wing camber extended over gap would assist takeoff Because amount control surface strip ailerons type hinge could considered Small wing tip type ailerons could neutralized since lift increase and/or loss needed occurs opposite and/or wrong ends wing Straight level flying long slow bank turns rudder-assist would probably controllable Because majority wing lift occurs within first 10 25% wing span beginning atthe root spin wing tip stall could uncontrollable unless other corrective measures taken proper mounting hinges and/or others little complex just having something move back forth up down Models capable attaining speeds hundreds miles per hour same real-size airplane like real airplanes can crash because structural failure neglect has shown through tests hinges will work properly longer periods time life expectancy models problem builder Hinges must mounted securely suf ficient number proper alignment unblemished control surface must square and/or parallel mating surface no binding twisting checked maximum throw control surface itself must designed constructed rigidly enough wont flutter under anticipated forces type flying Kits like Tutor have designed engineers experienced matters want make change make sure 120 Model Aviation can winner too! WITH FORMULA-U POLYURETHANE FINISH FOR GAS POWERED MODELS know what results will seek help Control-line flying usually takes place populous areas other forms sport therefore has historically frequented spectators Further group modelers flying theyre closer proximity airplane flying very important manufacturers safety recommendations fol lowed use AMA requirements pull-tests strictly adhered should considered minimal safety guidelines En forced flying site rules will make sport safer should take away challenges fun education daredevilry offered aeromodeling Tutor has tutored us we-fly-lab forced us look new ideas objectively has proven further manifestation what Jim Walker started almost 40 years ago adventure some Top Flite Fox products has once again shown important part industry plays sport Hope have much fun growth products did Glider WC/Pruss continued page 58 fourth Miller high man team 11th top three places remain un changed Round six starts out dramatically Kop Ian starts working time finds out has no radio action plane Since its start round can use other plane its across field Skip super-human effort gets plane launch made Terry gets 4 laps Skip gets 10 Steve 9 Only 16 filers get 12 taps three Germany USA 66% perfect 3000 points Later bad switch found gremlin Terrys plane duration Terry makes excellent comeback flier score per fect 0600/100 Skip followed 0557/100 Steve 0440/100 USA 94% perfect South Africa 99% end round still Sitar Wackerle Decker four five six Spavins Gerneke Roos South Africa enough give South Africa lead first time over Austria mere 364 points out 33000 Germany third Hol land fourth USA fifth Saturday July 7 last scheduled day competition Eight rounds 16 flights planned contest after first day fog schedule back normal thanks contest director Madam Paulette Halleux Belgium Aero Club However meant flying until 945 pm second third days get back schedule As round seven began USA found self fifth place slightly ahead Great Brit ain just behind Holland South Africa 364 points lead over Austrla Germany solid third place Austrians have averaged 1058 seconds nine speed runs USA av eraged 138 seconds South Africa aver aged 128 seconds 82% Austrians score pace slightly ahead what USA team figured would take win Round seven begins wind about 8-10 mph Wackerle Werner Sitar clock 104 107 speed Herbert Sitar almost loses plane canopy acts speed brake comes open base B flies downwind leg open still clocks 131 Steve turns 128 Skip 133 Terry 138 wind increases Aus trlans win task USA 20% off Austrians pace wind continues increase guys neatest bit thermal flying meet three max following lift downwind dam near out sight USA wins task Wackerle has perfect 0600/100 Coupled speed run gives him 2000 points round other perfect 2000 score meet far Westgaardronning Norway back second round However USA gets Holland holds fourth place 445 points Austria back first place South Africa 337 points behind Top three individ ual slots held Wackerle Werner Sitar Frikkie Roos Skip Miller seventh Round eight begins duration wind 18 mph Skip plays llght bubble downwind others flight group drop out sky same gutsy technique kept him top duration seven rounds However time lift/drift trade off too great drift side has make back whatever score can get Getting back nearly impossible four minutes bird lands barely field out 100-meter range spot meant no fllght points immediate re launch made utilizing remaining 0145 flight scorc 85-point landing will cost him couple places indi vidual standings keeps team placing October1979 121
Edition: Model Aviation - 1979/10
Page Numbers: 59, 60, 61, 62, 120, 121
Adventures Modeling busy We-Fly-Lab comes two distinguished kits Top Flite Tutor CL Stunt Carl Goldbergs Falcon 56 MK II RC EBob Harrah PUTTING things perspective begin- ning Jim Walker creator U Control flying year 1940 U Control derived opposite Free Flight same struggles Gas-Powered Free Flight faced Rubber-Powered Free Flight including controversy surfaced compressed-air power competition gliders spite conflict state-of-the-art advance ment caused revolution among donttread-on-me modelers survived flourished now possible 14 sanctioned events can entered national competition level four international level course now called Control Line CL events names such G-Line Controliner ring awhile Historically have unique challenging developments CL facet sport couple impressive would Fox economy package Tutor make nifty flying combination package includes everything needed make machine go engine tank reelhobby shops have variety packages suit CL needs Perfect 4-oz tank installedand wheels Williams manufacturers publicity shot affords striking impression color schemes can make same airplane lookdifferent Iron-ons make man artistor artiste Tutor patterned after world championship Gieseke Noblerits lineage impeccable October1979 59 major challenge modelers today Mini Whirlaway speed model Berkeley Models vintage 1954 Ares National Stunt CL winner years Ambroid Models Mini could flown 049 Thermal Hopper Atwood Wasp engine preformed hollow aluminum wings plywood stabilizer rudder gutted solid balsa fuse lage catch wing span whop ping 8 inches Ares aside being consistent winning design required craftsman ship building techniques found sophisticated kits Ares featured inboard wing longer outboard Editors Note As did earlier Veco Chief et al instead equal wing lengths today weight added outboard wing such Tutor Both used elevator coupled full working flaps picture Tutor Jim Walker Fire Ball benefit familiar what CL has evolved Bunch 45 shown Originally Ohlsson & Rice 23 used uncommon see some using Ohlsson & Rice 60 middle forties Speed name game Fire Ball shown weighed out 32 ounces ready-to-fly Tutor 30 ounces less fuel over twice wing area Fire Ball originally built late Dale Wiley long-time modeler hobby shop owner Southern California area restored model scheduled 60 Model Aviation all-new Trim Seal Tool isa well-thought-out device forapplying MonoKote-type materials necessity luxury professional finish ge nto tight cornersand isa hL.b u-Fly-Lab fortesting application MonoKote hinges Above R Control surface fiat leading edge action Below L Control surface rounded leading edge action Center Using rounded squared edges MonoKote hingesnote sealing off increasing gap hinge moves rolling manner instead bending Below R Hinges undertest at500 cycles per minuteforover6OOOO cycles left counter microswitch used right variable power supply out plc total throw 2 two white lines black line leading edge fin NO OCR TEXT shows specially designed tip fillets curves attached Trim Seal Iron Besides semi-cone shaped tip shown isawell thought out flat tip hard-to-get places thermostat preset high low heat high MonoKote low materials like Econokote Hot Stripe iron comes lug stops tip shank held place two set screws Sid asked test tips lugs found tips less heat loss down shanks lugs removed shank moved further heating element orifice locked place set screws also found procedure allowed intermediate temper ature control higher heat could main tained needed will good additions professional finish jobs will replace collection butter knives punches bent rods have preheating years trying accomplish same task Tutor introduced Top Flite part two-prong program offering tutoril system first followed winners circleThat after have become proficient enough build fly new Top Flite Grieske Nobler proven winner kit exact duplicate original further augment tutorship Fox Starter Set control-line fliers natural inexpensive companion Fox 35 profile starter kit No 81035 Starting Fox 35 CL stunt engine package includes fuel tank handles control lines connectors also wheels fuel line bellcrank spare glow plug fuel filter wheel collars spinner nut wrench other hardware instructions helpful hints guidelines included package worth investment alone heeded Construction finishing Tutor comprehensively covered manufacturer included kit type CL design necessitates complete installation check ing control mechanisms before final sheet ing wing Tutor features unique adjustable lead-out wire guide before Continued v 120 Above New Metallic Aztec gold Monokote otters attractive way finish airplane Plc shows Fox fuel filter line entering topwas found after testing fuel flow better bottom convenient have needle valve reversed top Below red carpet Tutor really roll red Monokotethe splotches reflections created camera angle light placement Bob Haden Jeanette PA has already won three 1ST PLACE Helicopter trophies Tn Valley Static Show Pittsburgh PA WRAMS RIO Jam boree White Plains NY Toledo Weak Signals 24th RIO Exposition Toledo Ohio super sharp highly modified Kaven Bell Jet Ranger Bob says As can see photo Formula-U really helped make highly detailed paint job turn out great base color Flight Aluminum Raven Black nose Metallic Red Fiery Orange Aviation Yellow trim Im happy tell Formula-U stands up tool Prior photo model flown 6 times plus friction wear transporting shows events over country happy proud Bob pleased Formula-Us perform ance hope will give try next model Heres few winning reasons might consider 18 popular Gloss Metallic Flat flight line colors matching brush spray Quick Drying One-Step System OneCoat Coverage Higher Gloss Finish Fuel-Proof Mar-Resistant Lightweight Super Tough AND matches Pactras Solarfilm Colors NEED FINISHING HELP! Send $100 complete step-by-step fully illustrated instruction book covering PACTRA FINISHING SYSTEMS pwirn 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 decided couldnt beat us cubic inches theyd beat us cubic dollars may sound like sour grapes seems awful waste put Tune 36 Ringmaster rest case Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Tutor/Harrah continued page 62 mounting wingtip make sure works free flash removed slide lock mounted sheet metal screw substituted nut bolt lock washer additional locking strength Usually wing control flap elevator half will weigh other Put heavy parts outboard may save use un wanted weight later use ofMonoKote hinges recommended topic has postulation hard data approach cursory first glance started kicking around safety factor aerodynamic characteristics test fixture developed conjured up box gadgets might use someday should throw out hate worst condition test As picture exhibits used long vertical fin rudder order induce flutter strains unequal force top bottom Using Galloping Ghost actuator Rand coupled con trollable power source micro-switch counter set pulse rate between 495 535 cycles per minute tests stopped after two hours accumulated intermittent run ning over-strain motor over 60000 cycles rudder hinges purposely attached loose out alignment About 2000 additional cycles run air pressure force great enough rudder stop full throw direction Observation conclusions after tests hinges showed no points failure performed yond expectations end-view pictures trailing edge control surfaces attached show hinge works rolling manner rather bending action An interesting aspect rounded squared surfaces snugly mounted other react same way actuated tend seal off gap direction theyre moved Short running com plex wind tunnel tests application different airfoils some theories can made model applications case Tutor using symmetrical airfoil full working control flaps coupled elevator type hinge aerodynamically efficient assume general rule few exceptions upper camber line convexity curve airfoil its chord greater length lower camber line lift created conversely lift less case Tutor up-flaps/down-elevator effective lift would maintained wing lessened stabilizer turn will increase control surfaces efficiency sealing off gap surface increasing other end result being tighter uniform loop square loop could accomplished shorter radius curves corners reverse down-flaps/up-elevator wing lift would de crease stabilizer would still offer stability plus increased control surface effectiveness aiding same way above outside loops approach applicable control surfaces strictly up/down left/right conditions vertical horizontal line axis interested applicabil ity MonoKote type hinges ailerons flaps other factors must considered Flaps would benefit landing under-the-wing type upper wing camber extended over gap would assist takeoff Because amount control surface strip ailerons type hinge could considered Small wing tip type ailerons could neutralized since lift increase and/or loss needed occurs opposite and/or wrong ends wing Straight level flying long slow bank turns rudder-assist would probably controllable Because majority wing lift occurs within first 10 25% wing span beginning atthe root spin wing tip stall could uncontrollable unless other corrective measures taken proper mounting hinges and/or others little complex just having something move back forth up down Models capable attaining speeds hundreds miles per hour same real-size airplane like real airplanes can crash because structural failure neglect has shown through tests hinges will work properly longer periods time life expectancy models problem builder Hinges must mounted securely suf ficient number proper alignment unblemished control surface must square and/or parallel mating surface no binding twisting checked maximum throw control surface itself must designed constructed rigidly enough wont flutter under anticipated forces type flying Kits like Tutor have designed engineers experienced matters want make change make sure 120 Model Aviation can winner too! WITH FORMULA-U POLYURETHANE FINISH FOR GAS POWERED MODELS know what results will seek help Control-line flying usually takes place populous areas other forms sport therefore has historically frequented spectators Further group modelers flying theyre closer proximity airplane flying very important manufacturers safety recommendations fol lowed use AMA requirements pull-tests strictly adhered should considered minimal safety guidelines En forced flying site rules will make sport safer should take away challenges fun education daredevilry offered aeromodeling Tutor has tutored us we-fly-lab forced us look new ideas objectively has proven further manifestation what Jim Walker started almost 40 years ago adventure some Top Flite Fox products has once again shown important part industry plays sport Hope have much fun growth products did Glider WC/Pruss continued page 58 fourth Miller high man team 11th top three places remain un changed Round six starts out dramatically Kop Ian starts working time finds out has no radio action plane Since its start round can use other plane its across field Skip super-human effort gets plane launch made Terry gets 4 laps Skip gets 10 Steve 9 Only 16 filers get 12 taps three Germany USA 66% perfect 3000 points Later bad switch found gremlin Terrys plane duration Terry makes excellent comeback flier score per fect 0600/100 Skip followed 0557/100 Steve 0440/100 USA 94% perfect South Africa 99% end round still Sitar Wackerle Decker four five six Spavins Gerneke Roos South Africa enough give South Africa lead first time over Austria mere 364 points out 33000 Germany third Hol land fourth USA fifth Saturday July 7 last scheduled day competition Eight rounds 16 flights planned contest after first day fog schedule back normal thanks contest director Madam Paulette Halleux Belgium Aero Club However meant flying until 945 pm second third days get back schedule As round seven began USA found self fifth place slightly ahead Great Brit ain just behind Holland South Africa 364 points lead over Austrla Germany solid third place Austrians have averaged 1058 seconds nine speed runs USA av eraged 138 seconds South Africa aver aged 128 seconds 82% Austrians score pace slightly ahead what USA team figured would take win Round seven begins wind about 8-10 mph Wackerle Werner Sitar clock 104 107 speed Herbert Sitar almost loses plane canopy acts speed brake comes open base B flies downwind leg open still clocks 131 Steve turns 128 Skip 133 Terry 138 wind increases Aus trlans win task USA 20% off Austrians pace wind continues increase guys neatest bit thermal flying meet three max following lift downwind dam near out sight USA wins task Wackerle has perfect 0600/100 Coupled speed run gives him 2000 points round other perfect 2000 score meet far Westgaardronning Norway back second round However USA gets Holland holds fourth place 445 points Austria back first place South Africa 337 points behind Top three individ ual slots held Wackerle Werner Sitar Frikkie Roos Skip Miller seventh Round eight begins duration wind 18 mph Skip plays llght bubble downwind others flight group drop out sky same gutsy technique kept him top duration seven rounds However time lift/drift trade off too great drift side has make back whatever score can get Getting back nearly impossible four minutes bird lands barely field out 100-meter range spot meant no fllght points immediate re launch made utilizing remaining 0145 flight scorc 85-point landing will cost him couple places indi vidual standings keeps team placing October1979 121
Edition: Model Aviation - 1979/10
Page Numbers: 59, 60, 61, 62, 120, 121
Adventures Modeling busy We-Fly-Lab comes two distinguished kits Top Flite Tutor CL Stunt Carl Goldbergs Falcon 56 MK II RC EBob Harrah PUTTING things perspective begin- ning Jim Walker creator U Control flying year 1940 U Control derived opposite Free Flight same struggles Gas-Powered Free Flight faced Rubber-Powered Free Flight including controversy surfaced compressed-air power competition gliders spite conflict state-of-the-art advance ment caused revolution among donttread-on-me modelers survived flourished now possible 14 sanctioned events can entered national competition level four international level course now called Control Line CL events names such G-Line Controliner ring awhile Historically have unique challenging developments CL facet sport couple impressive would Fox economy package Tutor make nifty flying combination package includes everything needed make machine go engine tank reelhobby shops have variety packages suit CL needs Perfect 4-oz tank installedand wheels Williams manufacturers publicity shot affords striking impression color schemes can make same airplane lookdifferent Iron-ons make man artistor artiste Tutor patterned after world championship Gieseke Noblerits lineage impeccable October1979 59 major challenge modelers today Mini Whirlaway speed model Berkeley Models vintage 1954 Ares National Stunt CL winner years Ambroid Models Mini could flown 049 Thermal Hopper Atwood Wasp engine preformed hollow aluminum wings plywood stabilizer rudder gutted solid balsa fuse lage catch wing span whop ping 8 inches Ares aside being consistent winning design required craftsman ship building techniques found sophisticated kits Ares featured inboard wing longer outboard Editors Note As did earlier Veco Chief et al instead equal wing lengths today weight added outboard wing such Tutor Both used elevator coupled full working flaps picture Tutor Jim Walker Fire Ball benefit familiar what CL has evolved Bunch 45 shown Originally Ohlsson & Rice 23 used uncommon see some using Ohlsson & Rice 60 middle forties Speed name game Fire Ball shown weighed out 32 ounces ready-to-fly Tutor 30 ounces less fuel over twice wing area Fire Ball originally built late Dale Wiley long-time modeler hobby shop owner Southern California area restored model scheduled 60 Model Aviation all-new Trim Seal Tool isa well-thought-out device forapplying MonoKote-type materials necessity luxury professional finish ge nto tight cornersand isa hL.b u-Fly-Lab fortesting application MonoKote hinges Above R Control surface fiat leading edge action Below L Control surface rounded leading edge action Center Using rounded squared edges MonoKote hingesnote sealing off increasing gap hinge moves rolling manner instead bending Below R Hinges undertest at500 cycles per minuteforover6OOOO cycles left counter microswitch used right variable power supply out plc total throw 2 two white lines black line leading edge fin NO OCR TEXT shows specially designed tip fillets curves attached Trim Seal Iron Besides semi-cone shaped tip shown isawell thought out flat tip hard-to-get places thermostat preset high low heat high MonoKote low materials like Econokote Hot Stripe iron comes lug stops tip shank held place two set screws Sid asked test tips lugs found tips less heat loss down shanks lugs removed shank moved further heating element orifice locked place set screws also found procedure allowed intermediate temper ature control higher heat could main tained needed will good additions professional finish jobs will replace collection butter knives punches bent rods have preheating years trying accomplish same task Tutor introduced Top Flite part two-prong program offering tutoril system first followed winners circleThat after have become proficient enough build fly new Top Flite Grieske Nobler proven winner kit exact duplicate original further augment tutorship Fox Starter Set control-line fliers natural inexpensive companion Fox 35 profile starter kit No 81035 Starting Fox 35 CL stunt engine package includes fuel tank handles control lines connectors also wheels fuel line bellcrank spare glow plug fuel filter wheel collars spinner nut wrench other hardware instructions helpful hints guidelines included package worth investment alone heeded Construction finishing Tutor comprehensively covered manufacturer included kit type CL design necessitates complete installation check ing control mechanisms before final sheet ing wing Tutor features unique adjustable lead-out wire guide before Continued v 120 Above New Metallic Aztec gold Monokote otters attractive way finish airplane Plc shows Fox fuel filter line entering topwas found after testing fuel flow better bottom convenient have needle valve reversed top Below red carpet Tutor really roll red Monokotethe splotches reflections created camera angle light placement Bob Haden Jeanette PA has already won three 1ST PLACE Helicopter trophies Tn Valley Static Show Pittsburgh PA WRAMS RIO Jam boree White Plains NY Toledo Weak Signals 24th RIO Exposition Toledo Ohio super sharp highly modified Kaven Bell Jet Ranger Bob says As can see photo Formula-U really helped make highly detailed paint job turn out great base color Flight Aluminum Raven Black nose Metallic Red Fiery Orange Aviation Yellow trim Im happy tell Formula-U stands up tool Prior photo model flown 6 times plus friction wear transporting shows events over country happy proud Bob pleased Formula-Us perform ance hope will give try next model Heres few winning reasons might consider 18 popular Gloss Metallic Flat flight line colors matching brush spray Quick Drying One-Step System OneCoat Coverage Higher Gloss Finish Fuel-Proof Mar-Resistant Lightweight Super Tough AND matches Pactras Solarfilm Colors NEED FINISHING HELP! Send $100 complete step-by-step fully illustrated instruction book covering PACTRA FINISHING SYSTEMS pwirn 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 decided couldnt beat us cubic inches theyd beat us cubic dollars may sound like sour grapes seems awful waste put Tune 36 Ringmaster rest case Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Tutor/Harrah continued page 62 mounting wingtip make sure works free flash removed slide lock mounted sheet metal screw substituted nut bolt lock washer additional locking strength Usually wing control flap elevator half will weigh other Put heavy parts outboard may save use un wanted weight later use ofMonoKote hinges recommended topic has postulation hard data approach cursory first glance started kicking around safety factor aerodynamic characteristics test fixture developed conjured up box gadgets might use someday should throw out hate worst condition test As picture exhibits used long vertical fin rudder order induce flutter strains unequal force top bottom Using Galloping Ghost actuator Rand coupled con trollable power source micro-switch counter set pulse rate between 495 535 cycles per minute tests stopped after two hours accumulated intermittent run ning over-strain motor over 60000 cycles rudder hinges purposely attached loose out alignment About 2000 additional cycles run air pressure force great enough rudder stop full throw direction Observation conclusions after tests hinges showed no points failure performed yond expectations end-view pictures trailing edge control surfaces attached show hinge works rolling manner rather bending action An interesting aspect rounded squared surfaces snugly mounted other react same way actuated tend seal off gap direction theyre moved Short running com plex wind tunnel tests application different airfoils some theories can made model applications case Tutor using symmetrical airfoil full working control flaps coupled elevator type hinge aerodynamically efficient assume general rule few exceptions upper camber line convexity curve airfoil its chord greater length lower camber line lift created conversely lift less case Tutor up-flaps/down-elevator effective lift would maintained wing lessened stabilizer turn will increase control surfaces efficiency sealing off gap surface increasing other end result being tighter uniform loop square loop could accomplished shorter radius curves corners reverse down-flaps/up-elevator wing lift would de crease stabilizer would still offer stability plus increased control surface effectiveness aiding same way above outside loops approach applicable control surfaces strictly up/down left/right conditions vertical horizontal line axis interested applicabil ity MonoKote type hinges ailerons flaps other factors must considered Flaps would benefit landing under-the-wing type upper wing camber extended over gap would assist takeoff Because amount control surface strip ailerons type hinge could considered Small wing tip type ailerons could neutralized since lift increase and/or loss needed occurs opposite and/or wrong ends wing Straight level flying long slow bank turns rudder-assist would probably controllable Because majority wing lift occurs within first 10 25% wing span beginning atthe root spin wing tip stall could uncontrollable unless other corrective measures taken proper mounting hinges and/or others little complex just having something move back forth up down Models capable attaining speeds hundreds miles per hour same real-size airplane like real airplanes can crash because structural failure neglect has shown through tests hinges will work properly longer periods time life expectancy models problem builder Hinges must mounted securely suf ficient number proper alignment unblemished control surface must square and/or parallel mating surface no binding twisting checked maximum throw control surface itself must designed constructed rigidly enough wont flutter under anticipated forces type flying Kits like Tutor have designed engineers experienced matters want make change make sure 120 Model Aviation can winner too! WITH FORMULA-U POLYURETHANE FINISH FOR GAS POWERED MODELS know what results will seek help Control-line flying usually takes place populous areas other forms sport therefore has historically frequented spectators Further group modelers flying theyre closer proximity airplane flying very important manufacturers safety recommendations fol lowed use AMA requirements pull-tests strictly adhered should considered minimal safety guidelines En forced flying site rules will make sport safer should take away challenges fun education daredevilry offered aeromodeling Tutor has tutored us we-fly-lab forced us look new ideas objectively has proven further manifestation what Jim Walker started almost 40 years ago adventure some Top Flite Fox products has once again shown important part industry plays sport Hope have much fun growth products did Glider WC/Pruss continued page 58 fourth Miller high man team 11th top three places remain un changed Round six starts out dramatically Kop Ian starts working time finds out has no radio action plane Since its start round can use other plane its across field Skip super-human effort gets plane launch made Terry gets 4 laps Skip gets 10 Steve 9 Only 16 filers get 12 taps three Germany USA 66% perfect 3000 points Later bad switch found gremlin Terrys plane duration Terry makes excellent comeback flier score per fect 0600/100 Skip followed 0557/100 Steve 0440/100 USA 94% perfect South Africa 99% end round still Sitar Wackerle Decker four five six Spavins Gerneke Roos South Africa enough give South Africa lead first time over Austria mere 364 points out 33000 Germany third Hol land fourth USA fifth Saturday July 7 last scheduled day competition Eight rounds 16 flights planned contest after first day fog schedule back normal thanks contest director Madam Paulette Halleux Belgium Aero Club However meant flying until 945 pm second third days get back schedule As round seven began USA found self fifth place slightly ahead Great Brit ain just behind Holland South Africa 364 points lead over Austrla Germany solid third place Austrians have averaged 1058 seconds nine speed runs USA av eraged 138 seconds South Africa aver aged 128 seconds 82% Austrians score pace slightly ahead what USA team figured would take win Round seven begins wind about 8-10 mph Wackerle Werner Sitar clock 104 107 speed Herbert Sitar almost loses plane canopy acts speed brake comes open base B flies downwind leg open still clocks 131 Steve turns 128 Skip 133 Terry 138 wind increases Aus trlans win task USA 20% off Austrians pace wind continues increase guys neatest bit thermal flying meet three max following lift downwind dam near out sight USA wins task Wackerle has perfect 0600/100 Coupled speed run gives him 2000 points round other perfect 2000 score meet far Westgaardronning Norway back second round However USA gets Holland holds fourth place 445 points Austria back first place South Africa 337 points behind Top three individ ual slots held Wackerle Werner Sitar Frikkie Roos Skip Miller seventh Round eight begins duration wind 18 mph Skip plays llght bubble downwind others flight group drop out sky same gutsy technique kept him top duration seven rounds However time lift/drift trade off too great drift side has make back whatever score can get Getting back nearly impossible four minutes bird lands barely field out 100-meter range spot meant no fllght points immediate re launch made utilizing remaining 0145 flight scorc 85-point landing will cost him couple places indi vidual standings keeps team placing October1979 121
Edition: Model Aviation - 1979/10
Page Numbers: 59, 60, 61, 62, 120, 121
Adventures Modeling busy We-Fly-Lab comes two distinguished kits Top Flite Tutor CL Stunt Carl Goldbergs Falcon 56 MK II RC EBob Harrah PUTTING things perspective begin- ning Jim Walker creator U Control flying year 1940 U Control derived opposite Free Flight same struggles Gas-Powered Free Flight faced Rubber-Powered Free Flight including controversy surfaced compressed-air power competition gliders spite conflict state-of-the-art advance ment caused revolution among donttread-on-me modelers survived flourished now possible 14 sanctioned events can entered national competition level four international level course now called Control Line CL events names such G-Line Controliner ring awhile Historically have unique challenging developments CL facet sport couple impressive would Fox economy package Tutor make nifty flying combination package includes everything needed make machine go engine tank reelhobby shops have variety packages suit CL needs Perfect 4-oz tank installedand wheels Williams manufacturers publicity shot affords striking impression color schemes can make same airplane lookdifferent Iron-ons make man artistor artiste Tutor patterned after world championship Gieseke Noblerits lineage impeccable October1979 59 major challenge modelers today Mini Whirlaway speed model Berkeley Models vintage 1954 Ares National Stunt CL winner years Ambroid Models Mini could flown 049 Thermal Hopper Atwood Wasp engine preformed hollow aluminum wings plywood stabilizer rudder gutted solid balsa fuse lage catch wing span whop ping 8 inches Ares aside being consistent winning design required craftsman ship building techniques found sophisticated kits Ares featured inboard wing longer outboard Editors Note As did earlier Veco Chief et al instead equal wing lengths today weight added outboard wing such Tutor Both used elevator coupled full working flaps picture Tutor Jim Walker Fire Ball benefit familiar what CL has evolved Bunch 45 shown Originally Ohlsson & Rice 23 used uncommon see some using Ohlsson & Rice 60 middle forties Speed name game Fire Ball shown weighed out 32 ounces ready-to-fly Tutor 30 ounces less fuel over twice wing area Fire Ball originally built late Dale Wiley long-time modeler hobby shop owner Southern California area restored model scheduled 60 Model Aviation all-new Trim Seal Tool isa well-thought-out device forapplying MonoKote-type materials necessity luxury professional finish ge nto tight cornersand isa hL.b u-Fly-Lab fortesting application MonoKote hinges Above R Control surface fiat leading edge action Below L Control surface rounded leading edge action Center Using rounded squared edges MonoKote hingesnote sealing off increasing gap hinge moves rolling manner instead bending Below R Hinges undertest at500 cycles per minuteforover6OOOO cycles left counter microswitch used right variable power supply out plc total throw 2 two white lines black line leading edge fin NO OCR TEXT shows specially designed tip fillets curves attached Trim Seal Iron Besides semi-cone shaped tip shown isawell thought out flat tip hard-to-get places thermostat preset high low heat high MonoKote low materials like Econokote Hot Stripe iron comes lug stops tip shank held place two set screws Sid asked test tips lugs found tips less heat loss down shanks lugs removed shank moved further heating element orifice locked place set screws also found procedure allowed intermediate temper ature control higher heat could main tained needed will good additions professional finish jobs will replace collection butter knives punches bent rods have preheating years trying accomplish same task Tutor introduced Top Flite part two-prong program offering tutoril system first followed winners circleThat after have become proficient enough build fly new Top Flite Grieske Nobler proven winner kit exact duplicate original further augment tutorship Fox Starter Set control-line fliers natural inexpensive companion Fox 35 profile starter kit No 81035 Starting Fox 35 CL stunt engine package includes fuel tank handles control lines connectors also wheels fuel line bellcrank spare glow plug fuel filter wheel collars spinner nut wrench other hardware instructions helpful hints guidelines included package worth investment alone heeded Construction finishing Tutor comprehensively covered manufacturer included kit type CL design necessitates complete installation check ing control mechanisms before final sheet ing wing Tutor features unique adjustable lead-out wire guide before Continued v 120 Above New Metallic Aztec gold Monokote otters attractive way finish airplane Plc shows Fox fuel filter line entering topwas found after testing fuel flow better bottom convenient have needle valve reversed top Below red carpet Tutor really roll red Monokotethe splotches reflections created camera angle light placement Bob Haden Jeanette PA has already won three 1ST PLACE Helicopter trophies Tn Valley Static Show Pittsburgh PA WRAMS RIO Jam boree White Plains NY Toledo Weak Signals 24th RIO Exposition Toledo Ohio super sharp highly modified Kaven Bell Jet Ranger Bob says As can see photo Formula-U really helped make highly detailed paint job turn out great base color Flight Aluminum Raven Black nose Metallic Red Fiery Orange Aviation Yellow trim Im happy tell Formula-U stands up tool Prior photo model flown 6 times plus friction wear transporting shows events over country happy proud Bob pleased Formula-Us perform ance hope will give try next model Heres few winning reasons might consider 18 popular Gloss Metallic Flat flight line colors matching brush spray Quick Drying One-Step System OneCoat Coverage Higher Gloss Finish Fuel-Proof Mar-Resistant Lightweight Super Tough AND matches Pactras Solarfilm Colors NEED FINISHING HELP! Send $100 complete step-by-step fully illustrated instruction book covering PACTRA FINISHING SYSTEMS pwirn 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 decided couldnt beat us cubic inches theyd beat us cubic dollars may sound like sour grapes seems awful waste put Tune 36 Ringmaster rest case Bill Lee 3522 Tamarisk Lane Missouri City TX 77459 Tutor/Harrah continued page 62 mounting wingtip make sure works free flash removed slide lock mounted sheet metal screw substituted nut bolt lock washer additional locking strength Usually wing control flap elevator half will weigh other Put heavy parts outboard may save use un wanted weight later use ofMonoKote hinges recommended topic has postulation hard data approach cursory first glance started kicking around safety factor aerodynamic characteristics test fixture developed conjured up box gadgets might use someday should throw out hate worst condition test As picture exhibits used long vertical fin rudder order induce flutter strains unequal force top bottom Using Galloping Ghost actuator Rand coupled con trollable power source micro-switch counter set pulse rate between 495 535 cycles per minute tests stopped after two hours accumulated intermittent run ning over-strain motor over 60000 cycles rudder hinges purposely attached loose out alignment About 2000 additional cycles run air pressure force great enough rudder stop full throw direction Observation conclusions after tests hinges showed no points failure performed yond expectations end-view pictures trailing edge control surfaces attached show hinge works rolling manner rather bending action An interesting aspect rounded squared surfaces snugly mounted other react same way actuated tend seal off gap direction theyre moved Short running com plex wind tunnel tests application different airfoils some theories can made model applications case Tutor using symmetrical airfoil full working control flaps coupled elevator type hinge aerodynamically efficient assume general rule few exceptions upper camber line convexity curve airfoil its chord greater length lower camber line lift created conversely lift less case Tutor up-flaps/down-elevator effective lift would maintained wing lessened stabilizer turn will increase control surfaces efficiency sealing off gap surface increasing other end result being tighter uniform loop square loop could accomplished shorter radius curves corners reverse down-flaps/up-elevator wing lift would de crease stabilizer would still offer stability plus increased control surface effectiveness aiding same way above outside loops approach applicable control surfaces strictly up/down left/right conditions vertical horizontal line axis interested applicabil ity MonoKote type hinges ailerons flaps other factors must considered Flaps would benefit landing under-the-wing type upper wing camber extended over gap would assist takeoff Because amount control surface strip ailerons type hinge could considered Small wing tip type ailerons could neutralized since lift increase and/or loss needed occurs opposite and/or wrong ends wing Straight level flying long slow bank turns rudder-assist would probably controllable Because majority wing lift occurs within first 10 25% wing span beginning atthe root spin wing tip stall could uncontrollable unless other corrective measures taken proper mounting hinges and/or others little complex just having something move back forth up down Models capable attaining speeds hundreds miles per hour same real-size airplane like real airplanes can crash because structural failure neglect has shown through tests hinges will work properly longer periods time life expectancy models problem builder Hinges must mounted securely suf ficient number proper alignment unblemished control surface must square and/or parallel mating surface no binding twisting checked maximum throw control surface itself must designed constructed rigidly enough wont flutter under anticipated forces type flying Kits like Tutor have designed engineers experienced matters want make change make sure 120 Model Aviation can winner too! WITH FORMULA-U POLYURETHANE FINISH FOR GAS POWERED MODELS know what results will seek help Control-line flying usually takes place populous areas other forms sport therefore has historically frequented spectators Further group modelers flying theyre closer proximity airplane flying very important manufacturers safety recommendations fol lowed use AMA requirements pull-tests strictly adhered should considered minimal safety guidelines En forced flying site rules will make sport safer should take away challenges fun education daredevilry offered aeromodeling Tutor has tutored us we-fly-lab forced us look new ideas objectively has proven further manifestation what Jim Walker started almost 40 years ago adventure some Top Flite Fox products has once again shown important part industry plays sport Hope have much fun growth products did Glider WC/Pruss continued page 58 fourth Miller high man team 11th top three places remain un changed Round six starts out dramatically Kop Ian starts working time finds out has no radio action plane Since its start round can use other plane its across field Skip super-human effort gets plane launch made Terry gets 4 laps Skip gets 10 Steve 9 Only 16 filers get 12 taps three Germany USA 66% perfect 3000 points Later bad switch found gremlin Terrys plane duration Terry makes excellent comeback flier score per fect 0600/100 Skip followed 0557/100 Steve 0440/100 USA 94% perfect South Africa 99% end round still Sitar Wackerle Decker four five six Spavins Gerneke Roos South Africa enough give South Africa lead first time over Austria mere 364 points out 33000 Germany third Hol land fourth USA fifth Saturday July 7 last scheduled day competition Eight rounds 16 flights planned contest after first day fog schedule back normal thanks contest director Madam Paulette Halleux Belgium Aero Club However meant flying until 945 pm second third days get back schedule As round seven began USA found self fifth place slightly ahead Great Brit ain just behind Holland South Africa 364 points lead over Austrla Germany solid third place Austrians have averaged 1058 seconds nine speed runs USA av eraged 138 seconds South Africa aver aged 128 seconds 82% Austrians score pace slightly ahead what USA team figured would take win Round seven begins wind about 8-10 mph Wackerle Werner Sitar clock 104 107 speed Herbert Sitar almost loses plane canopy acts speed brake comes open base B flies downwind leg open still clocks 131 Steve turns 128 Skip 133 Terry 138 wind increases Aus trlans win task USA 20% off Austrians pace wind continues increase guys neatest bit thermal flying meet three max following lift downwind dam near out sight USA wins task Wackerle has perfect 0600/100 Coupled speed run gives him 2000 points round other perfect 2000 score meet far Westgaardronning Norway back second round However USA gets Holland holds fourth place 445 points Austria back first place South Africa 337 points behind Top three individ ual slots held Wackerle Werner Sitar Frikkie Roos Skip Miller seventh Round eight begins duration wind 18 mph Skip plays llght bubble downwind others flight group drop out sky same gutsy technique kept him top duration seven rounds However time lift/drift trade off too great drift side has make back whatever score can get Getting back nearly impossible four minutes bird lands barely field out 100-meter range spot meant no fllght points immediate re launch made utilizing remaining 0145 flight scorc 85-point landing will cost him couple places indi vidual standings keeps team placing October1979 121