SCALE Bob & Dolly Wischer FLIGHT Realism estimated tiny percentage readers competitors column should kept interesting Sport Sunday fliers try achieve balance material satisfy everyone subject realism flight prime impor tance contestants casual interest scale modelers whether compete same natural desire achieve realism air needed produce model competitors viewpoint recent team selections 1980 World Cham pionships realism plays important part determining winners earnest effort approach mythical scale speed essential international meet flight score sheet has space top contestant must specify scale model built cruising speed prototype Note cruise specified maximum speed modeler expects impress knowledgable judges World Championship better know use throttle control transmitter Dashing through sky constant high throttle done full-scale practice fast WW II military fighters limited short periods full engine output experience four World Championships have observed European teams adept use throttle giving edge flight scoring Contestants judges engaged team selection process Nats should aware what expected flight performance international meets Showmanship alone team asset Competitors sport fliers alike want know what can done enhance realism factor closely connected speed know experience true scale speed cannot attained due variety reasons can hope reach illusion scale performance speed can done can use throttle used full-scale flight particularly during aerobatics Pilots abuse engines aircraft full-scale aero batics throttle position changed constantly coordination speed altitude can determine transmitter throttle level setting will result safe minimum speed model can maneuvered risk stalling models will near mid-point level travel usually half throttle engine because non linearity setting exhaust sound much subdued aiding illusion reduced speed surprising smoothly model will fly lower throttle setting approaching stalling speed Practice will soon tell whether limitations maneuverability speed Knowing setting safe open throttle fully aerobatics return mid-range afterward model flying speed twice scale illusion has created Judges contest will recog nize effort being made reward higher points Realism points applied aspects flight speed alone speed major contributing factor down-grading performing snappy aerobatic gyra tions should kept mind prototypes capable violent actions Heavy military ships subject high speed stalls ending disaster low altitudes have watched Mustang P-5 1 diving turn headed straight toward us amountofmushingis frighten ing Prolonged inverted flight invited dead engine Mustang models can flown inverted through complete flight prototype could positive-G barrel rolls starving engine helps find pilot flew original can tell maneuvers authentic read pilots operating instructions find good descriptive book older planes long low inverted passes realistic prototypes contained inverted fuel system Judges justified flight realism downgrading models impossible unable furnish proof prototype capabilities key success flight realism discipline Pilots operating instructions available planes built last 40 years often contain some interesting items well surprises catalog manuals everything J-3 Cubs B-17 bombers available Essco Akron Municipal Airport Akron OH 44306 Pilots flight manuals operating instructions realiable source information improv ing flight technique tell interested modeler such items throttle position Continued page 104 28 Model Aviation er-vvaerluo p, ouasc nay dellavillano led Rick Ethier Curtiss Heildiver SB2C Joe Datri 01 LuuIIa Scale Squadron model plane crew man WW II Landry pic Skip Maat holds Hal Stein flips the2O-8 prop Quadra- powered Fleet biplane constructed Bukolt plans IanEI ic Wdb red witn polyester oreas liner material butyrate dope 18-lb plane slightly over scale Swept wings look pretty air MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 48040 GET ORGANIZED s set 4 sturdy tries holds over 4 years favorite er, Ii magazines 4 MAG FILES $495 Send $485 plus $100 postage handhrrg DON INDUSThIES PO BOX 388-K DOVER NH 03820 RC Scale Wischers continued page 28 diving speeds flaps can lowered bomb doors opened maximum nosedown angle dropping bombs Some bomb-dropping exhibitions have seen should receive low scores lack authenticity because according book wasnt safe descend steep angle model flaps lowered too high speed ballooning result Prototype flaps would tom hinges Model weight obviously going have effect low speed performance Nats contestant claimed 1/6-scale model could weigh 1/6 prototypes gross weight mathematically incorrect models fly land gross weight nor did proto type One-third gross weight could fuel six-hour flight Models carry ounces 20-minute flight 1/6-scale model di mensionally reduced length width height therefore prototype empty weight should divided 216 6 cube scale ratio Models military planes usually fly less half scale weight cant reach scale speed building light throttling back will help simulation Now see effect scale speed dissidence contests everyone flies through routine wide open throttle unlikely local regional meets judges find no reason down grading anyone contestant feels secure flight style normal andaccepted first encounter judge contest director finds fault pattern-type flying complaints begin appear argues style accepted elsewhere should continue has continuous up-grading model quality since beginning RC scale Shouldnt also escalation flight quality respect realism threatened boycott contests tough stand taken realism may cause loss attendance Will some multitude rally type fliers come over contests find no longer expected compete against pattern flying Have opinion Lets hear Needle Valve Adjustment Having fly part throttle maximum realism means engines needle valve must easily adjustable meet varying conditions altitude temper ature humidity Maxey Hester once offered admonition never build scale model no means adjusting carburetor Scale modelers reluctant pierce adjustment hole smooth cowl finely finished plane properly modified needle hole need very large eter hole will accept slender screwdriver real problem find ing screwdriver slot hidden inside cowl especially engine vibrating Probing slot can made less irksome driver can guided standard needle right angle end bent portion removed cylindri cal steel brass part made screwdriver slot filed end hole fit needle drilled opposite end soldered needle short piece brass tube soldered over slotted end forms guide prevents screwdriver slipping out slot small hole cowl needs lined up tube quite accurately maximum effectiveness cowls have cooling air outlets rear flexible shaft needle valve extension can made its adjustment knob just inside opening can reached certainly safest arrangement removes adjust ment vicinity prop No unsightly holes blemish smooth cowL find ideal use left-over short lengths cable type pushrods metal core Salvage knurled end old damaged needle valves press Out needle solder shaft end knob short length brass tube joins flexible shafts opposite end needle outer plastic sleeve must anchored some convenient point near carburetor use aluminum bracket epoxy flat spring detents carb will need loosened bending needle rotate quite freely avoid excessive twist flexible cable cable itself becomes effective brake place flat springs difficult make small adjustments cable windup causes jumpy rotation Report Paris Six proposals concerning scale modeling rules included plenary session agenda Committee Interna tional AeromodelingCIAM Paris Novem ber 29-30 attended Proposals first examined Scale Sub-Committee makes recommendations full session 29 nations represented committee votes proposals general discussion about trends scale competition proposal Czechoslovakia contained long list sweeping changes would have drastically affected basis scoring such 104 Model Aviation IFlIhNe 1/5 Scale Size 80 Wingspan 1126 Wing Area Price $12995 CHIPSHIP 90 Sleek Fast Super Aerobatic -I TWO EASY Truly Aerobatic Twin 40 Model High Quality Throughout Price $8995 Ohio EASY 90 NEW HIGH-WING SPORT 90 1/5 Scale 80 Wingspan Flying Weight 10 lbs Fast Building no die-cut parts 15 hrs Inc custom Alum landing Gear$12995 Ultimate Flying Boat GRUMMAN WIDGEON Heres equipment need give props very best balance--balance directions Carefully crafted top grade materials BUBBLE BALANCER accomudates 3/161/49/32 prop holes Other zes available special order Dealers igyited $1495 Add 1150 fur HOWARD B HUEBL DEPT 005 pttstage hardletg bt Mess add 4% sales las ctos Boo 193 Route 4 Mankato Mn 56001 THE TRIPLE THREAT U RN AD MSIWS AJ33AUT IAOUL CO INC N 500 features multi-engines flaps retracts bomb drop Scores would lowered because considered flight operations Anyone has noted trim change during operations aware flight affected proposal rejected because would virtually replace whole present rules system developed over years world champion ships proposal US permit increase engine displacement lOcc61 15cc 91 single-engine planes rejected because increased motive power should restricted multi-engined models rule permit 15cc total twins became effective 1979 hoped follow same displacement single engine because reasoned models adequate power safer flight proposal originating Switzerland asked change ratio scoring between static flight present 5 0-50 57-43 favor flight omission craftsman ship points static scores proposal rejected originally written resubmitted change fidelity scoring side plan end views means model will viewed three-view drawing including top bottom views applicable Precision well Stand-off Scale models Judges will now see bottom plane done 1979 Nats Sport Scale complexity flight bonus system formerly applied Precision F4C Scale models will now applied also Stand-off Scale FAI competition flight schedule both classes same French delegate Jules Reggiore informed us judges Metz Stand-off Scale meet first viewed models three meters fidelity close-up crafts manship trend future meets Because Precision Stand-off now closely comparable quality US world wide committee members reasoned may eventually class type judging technique committee recommended earlier proposal clarification offlight bonus points accepted awards 5% bonus biplane 10% biplane under-cambered wings prototype model rather 10% two-bay biplane No bonus points awarded mono-wheel models retracts Complexity points awarded contestant reproduces feature modeL Bob Dolly Wischer RL 1 S-221 Laphani Peak Rd Delafiela WI 53018 RC Helicopters/Chesney continued page 29 probability Bob feels spacer suffi cient fix problem hardest landing spacer inserted below swash plate ball resting top main shaft bearing raises ball additional torque may applied ball set screw socket head screw nut through ball shaft may used replace set screw addi tional security Drill hole through shaft 900 pitch change slot spacer can made cutting 5 mm landing gear tubing Cut tubing squarely carefully avoid getting spacer Out round See drawing detail mod locks main shaft between bearing blocks raises ball appropriate position within swash plate finally Walt Schoonard sent copy set-up tape mentioned last month think begin ners will benefit particularly March 1980 105 QUIKRAY-500 hss en~eered meet need model could built fast very strong meet requirements AMA Sport Pylon Events Quicky 500 Pylon Racing Fun Fly Events around Sport Flying Trainer general Pattern Flying baby strong BuD bul lightandfast baby will turn Pylon tighter anything have seen will snap stali out. QUIICRAY-500 can built complete air Twelve Fifteen hours covered materials such SUPER MONOKOTE other covering same family U T AND QUIK ITS FULL OF TIGER EATING GRINS!! FAST IS WHAT SHE IS DOCILE Winpspan 50 Area 503 sq Engine 1945Weight 3 lbs Material AU Bales Ply needed p \ This AAmco Inc humbly say no more
Edition: Model Aviation - 1980/03
Page Numbers: 28, 104, 105
SCALE Bob & Dolly Wischer FLIGHT Realism estimated tiny percentage readers competitors column should kept interesting Sport Sunday fliers try achieve balance material satisfy everyone subject realism flight prime impor tance contestants casual interest scale modelers whether compete same natural desire achieve realism air needed produce model competitors viewpoint recent team selections 1980 World Cham pionships realism plays important part determining winners earnest effort approach mythical scale speed essential international meet flight score sheet has space top contestant must specify scale model built cruising speed prototype Note cruise specified maximum speed modeler expects impress knowledgable judges World Championship better know use throttle control transmitter Dashing through sky constant high throttle done full-scale practice fast WW II military fighters limited short periods full engine output experience four World Championships have observed European teams adept use throttle giving edge flight scoring Contestants judges engaged team selection process Nats should aware what expected flight performance international meets Showmanship alone team asset Competitors sport fliers alike want know what can done enhance realism factor closely connected speed know experience true scale speed cannot attained due variety reasons can hope reach illusion scale performance speed can done can use throttle used full-scale flight particularly during aerobatics Pilots abuse engines aircraft full-scale aero batics throttle position changed constantly coordination speed altitude can determine transmitter throttle level setting will result safe minimum speed model can maneuvered risk stalling models will near mid-point level travel usually half throttle engine because non linearity setting exhaust sound much subdued aiding illusion reduced speed surprising smoothly model will fly lower throttle setting approaching stalling speed Practice will soon tell whether limitations maneuverability speed Knowing setting safe open throttle fully aerobatics return mid-range afterward model flying speed twice scale illusion has created Judges contest will recog nize effort being made reward higher points Realism points applied aspects flight speed alone speed major contributing factor down-grading performing snappy aerobatic gyra tions should kept mind prototypes capable violent actions Heavy military ships subject high speed stalls ending disaster low altitudes have watched Mustang P-5 1 diving turn headed straight toward us amountofmushingis frighten ing Prolonged inverted flight invited dead engine Mustang models can flown inverted through complete flight prototype could positive-G barrel rolls starving engine helps find pilot flew original can tell maneuvers authentic read pilots operating instructions find good descriptive book older planes long low inverted passes realistic prototypes contained inverted fuel system Judges justified flight realism downgrading models impossible unable furnish proof prototype capabilities key success flight realism discipline Pilots operating instructions available planes built last 40 years often contain some interesting items well surprises catalog manuals everything J-3 Cubs B-17 bombers available Essco Akron Municipal Airport Akron OH 44306 Pilots flight manuals operating instructions realiable source information improv ing flight technique tell interested modeler such items throttle position Continued page 104 28 Model Aviation er-vvaerluo p, ouasc nay dellavillano led Rick Ethier Curtiss Heildiver SB2C Joe Datri 01 LuuIIa Scale Squadron model plane crew man WW II Landry pic Skip Maat holds Hal Stein flips the2O-8 prop Quadra- powered Fleet biplane constructed Bukolt plans IanEI ic Wdb red witn polyester oreas liner material butyrate dope 18-lb plane slightly over scale Swept wings look pretty air MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 48040 GET ORGANIZED s set 4 sturdy tries holds over 4 years favorite er, Ii magazines 4 MAG FILES $495 Send $485 plus $100 postage handhrrg DON INDUSThIES PO BOX 388-K DOVER NH 03820 RC Scale Wischers continued page 28 diving speeds flaps can lowered bomb doors opened maximum nosedown angle dropping bombs Some bomb-dropping exhibitions have seen should receive low scores lack authenticity because according book wasnt safe descend steep angle model flaps lowered too high speed ballooning result Prototype flaps would tom hinges Model weight obviously going have effect low speed performance Nats contestant claimed 1/6-scale model could weigh 1/6 prototypes gross weight mathematically incorrect models fly land gross weight nor did proto type One-third gross weight could fuel six-hour flight Models carry ounces 20-minute flight 1/6-scale model di mensionally reduced length width height therefore prototype empty weight should divided 216 6 cube scale ratio Models military planes usually fly less half scale weight cant reach scale speed building light throttling back will help simulation Now see effect scale speed dissidence contests everyone flies through routine wide open throttle unlikely local regional meets judges find no reason down grading anyone contestant feels secure flight style normal andaccepted first encounter judge contest director finds fault pattern-type flying complaints begin appear argues style accepted elsewhere should continue has continuous up-grading model quality since beginning RC scale Shouldnt also escalation flight quality respect realism threatened boycott contests tough stand taken realism may cause loss attendance Will some multitude rally type fliers come over contests find no longer expected compete against pattern flying Have opinion Lets hear Needle Valve Adjustment Having fly part throttle maximum realism means engines needle valve must easily adjustable meet varying conditions altitude temper ature humidity Maxey Hester once offered admonition never build scale model no means adjusting carburetor Scale modelers reluctant pierce adjustment hole smooth cowl finely finished plane properly modified needle hole need very large eter hole will accept slender screwdriver real problem find ing screwdriver slot hidden inside cowl especially engine vibrating Probing slot can made less irksome driver can guided standard needle right angle end bent portion removed cylindri cal steel brass part made screwdriver slot filed end hole fit needle drilled opposite end soldered needle short piece brass tube soldered over slotted end forms guide prevents screwdriver slipping out slot small hole cowl needs lined up tube quite accurately maximum effectiveness cowls have cooling air outlets rear flexible shaft needle valve extension can made its adjustment knob just inside opening can reached certainly safest arrangement removes adjust ment vicinity prop No unsightly holes blemish smooth cowL find ideal use left-over short lengths cable type pushrods metal core Salvage knurled end old damaged needle valves press Out needle solder shaft end knob short length brass tube joins flexible shafts opposite end needle outer plastic sleeve must anchored some convenient point near carburetor use aluminum bracket epoxy flat spring detents carb will need loosened bending needle rotate quite freely avoid excessive twist flexible cable cable itself becomes effective brake place flat springs difficult make small adjustments cable windup causes jumpy rotation Report Paris Six proposals concerning scale modeling rules included plenary session agenda Committee Interna tional AeromodelingCIAM Paris Novem ber 29-30 attended Proposals first examined Scale Sub-Committee makes recommendations full session 29 nations represented committee votes proposals general discussion about trends scale competition proposal Czechoslovakia contained long list sweeping changes would have drastically affected basis scoring such 104 Model Aviation IFlIhNe 1/5 Scale Size 80 Wingspan 1126 Wing Area Price $12995 CHIPSHIP 90 Sleek Fast Super Aerobatic -I TWO EASY Truly Aerobatic Twin 40 Model High Quality Throughout Price $8995 Ohio EASY 90 NEW HIGH-WING SPORT 90 1/5 Scale 80 Wingspan Flying Weight 10 lbs Fast Building no die-cut parts 15 hrs Inc custom Alum landing Gear$12995 Ultimate Flying Boat GRUMMAN WIDGEON Heres equipment need give props very best balance--balance directions Carefully crafted top grade materials BUBBLE BALANCER accomudates 3/161/49/32 prop holes Other zes available special order Dealers igyited $1495 Add 1150 fur HOWARD B HUEBL DEPT 005 pttstage hardletg bt Mess add 4% sales las ctos Boo 193 Route 4 Mankato Mn 56001 THE TRIPLE THREAT U RN AD MSIWS AJ33AUT IAOUL CO INC N 500 features multi-engines flaps retracts bomb drop Scores would lowered because considered flight operations Anyone has noted trim change during operations aware flight affected proposal rejected because would virtually replace whole present rules system developed over years world champion ships proposal US permit increase engine displacement lOcc61 15cc 91 single-engine planes rejected because increased motive power should restricted multi-engined models rule permit 15cc total twins became effective 1979 hoped follow same displacement single engine because reasoned models adequate power safer flight proposal originating Switzerland asked change ratio scoring between static flight present 5 0-50 57-43 favor flight omission craftsman ship points static scores proposal rejected originally written resubmitted change fidelity scoring side plan end views means model will viewed three-view drawing including top bottom views applicable Precision well Stand-off Scale models Judges will now see bottom plane done 1979 Nats Sport Scale complexity flight bonus system formerly applied Precision F4C Scale models will now applied also Stand-off Scale FAI competition flight schedule both classes same French delegate Jules Reggiore informed us judges Metz Stand-off Scale meet first viewed models three meters fidelity close-up crafts manship trend future meets Because Precision Stand-off now closely comparable quality US world wide committee members reasoned may eventually class type judging technique committee recommended earlier proposal clarification offlight bonus points accepted awards 5% bonus biplane 10% biplane under-cambered wings prototype model rather 10% two-bay biplane No bonus points awarded mono-wheel models retracts Complexity points awarded contestant reproduces feature modeL Bob Dolly Wischer RL 1 S-221 Laphani Peak Rd Delafiela WI 53018 RC Helicopters/Chesney continued page 29 probability Bob feels spacer suffi cient fix problem hardest landing spacer inserted below swash plate ball resting top main shaft bearing raises ball additional torque may applied ball set screw socket head screw nut through ball shaft may used replace set screw addi tional security Drill hole through shaft 900 pitch change slot spacer can made cutting 5 mm landing gear tubing Cut tubing squarely carefully avoid getting spacer Out round See drawing detail mod locks main shaft between bearing blocks raises ball appropriate position within swash plate finally Walt Schoonard sent copy set-up tape mentioned last month think begin ners will benefit particularly March 1980 105 QUIKRAY-500 hss en~eered meet need model could built fast very strong meet requirements AMA Sport Pylon Events Quicky 500 Pylon Racing Fun Fly Events around Sport Flying Trainer general Pattern Flying baby strong BuD bul lightandfast baby will turn Pylon tighter anything have seen will snap stali out. QUIICRAY-500 can built complete air Twelve Fifteen hours covered materials such SUPER MONOKOTE other covering same family U T AND QUIK ITS FULL OF TIGER EATING GRINS!! FAST IS WHAT SHE IS DOCILE Winpspan 50 Area 503 sq Engine 1945Weight 3 lbs Material AU Bales Ply needed p \ This AAmco Inc humbly say no more
Edition: Model Aviation - 1980/03
Page Numbers: 28, 104, 105
SCALE Bob & Dolly Wischer FLIGHT Realism estimated tiny percentage readers competitors column should kept interesting Sport Sunday fliers try achieve balance material satisfy everyone subject realism flight prime impor tance contestants casual interest scale modelers whether compete same natural desire achieve realism air needed produce model competitors viewpoint recent team selections 1980 World Cham pionships realism plays important part determining winners earnest effort approach mythical scale speed essential international meet flight score sheet has space top contestant must specify scale model built cruising speed prototype Note cruise specified maximum speed modeler expects impress knowledgable judges World Championship better know use throttle control transmitter Dashing through sky constant high throttle done full-scale practice fast WW II military fighters limited short periods full engine output experience four World Championships have observed European teams adept use throttle giving edge flight scoring Contestants judges engaged team selection process Nats should aware what expected flight performance international meets Showmanship alone team asset Competitors sport fliers alike want know what can done enhance realism factor closely connected speed know experience true scale speed cannot attained due variety reasons can hope reach illusion scale performance speed can done can use throttle used full-scale flight particularly during aerobatics Pilots abuse engines aircraft full-scale aero batics throttle position changed constantly coordination speed altitude can determine transmitter throttle level setting will result safe minimum speed model can maneuvered risk stalling models will near mid-point level travel usually half throttle engine because non linearity setting exhaust sound much subdued aiding illusion reduced speed surprising smoothly model will fly lower throttle setting approaching stalling speed Practice will soon tell whether limitations maneuverability speed Knowing setting safe open throttle fully aerobatics return mid-range afterward model flying speed twice scale illusion has created Judges contest will recog nize effort being made reward higher points Realism points applied aspects flight speed alone speed major contributing factor down-grading performing snappy aerobatic gyra tions should kept mind prototypes capable violent actions Heavy military ships subject high speed stalls ending disaster low altitudes have watched Mustang P-5 1 diving turn headed straight toward us amountofmushingis frighten ing Prolonged inverted flight invited dead engine Mustang models can flown inverted through complete flight prototype could positive-G barrel rolls starving engine helps find pilot flew original can tell maneuvers authentic read pilots operating instructions find good descriptive book older planes long low inverted passes realistic prototypes contained inverted fuel system Judges justified flight realism downgrading models impossible unable furnish proof prototype capabilities key success flight realism discipline Pilots operating instructions available planes built last 40 years often contain some interesting items well surprises catalog manuals everything J-3 Cubs B-17 bombers available Essco Akron Municipal Airport Akron OH 44306 Pilots flight manuals operating instructions realiable source information improv ing flight technique tell interested modeler such items throttle position Continued page 104 28 Model Aviation er-vvaerluo p, ouasc nay dellavillano led Rick Ethier Curtiss Heildiver SB2C Joe Datri 01 LuuIIa Scale Squadron model plane crew man WW II Landry pic Skip Maat holds Hal Stein flips the2O-8 prop Quadra- powered Fleet biplane constructed Bukolt plans IanEI ic Wdb red witn polyester oreas liner material butyrate dope 18-lb plane slightly over scale Swept wings look pretty air MR Gs PRODUCTS 1100 Michigan Box 161 Marvsville MI 48040 GET ORGANIZED s set 4 sturdy tries holds over 4 years favorite er, Ii magazines 4 MAG FILES $495 Send $485 plus $100 postage handhrrg DON INDUSThIES PO BOX 388-K DOVER NH 03820 RC Scale Wischers continued page 28 diving speeds flaps can lowered bomb doors opened maximum nosedown angle dropping bombs Some bomb-dropping exhibitions have seen should receive low scores lack authenticity because according book wasnt safe descend steep angle model flaps lowered too high speed ballooning result Prototype flaps would tom hinges Model weight obviously going have effect low speed performance Nats contestant claimed 1/6-scale model could weigh 1/6 prototypes gross weight mathematically incorrect models fly land gross weight nor did proto type One-third gross weight could fuel six-hour flight Models carry ounces 20-minute flight 1/6-scale model di mensionally reduced length width height therefore prototype empty weight should divided 216 6 cube scale ratio Models military planes usually fly less half scale weight cant reach scale speed building light throttling back will help simulation Now see effect scale speed dissidence contests everyone flies through routine wide open throttle unlikely local regional meets judges find no reason down grading anyone contestant feels secure flight style normal andaccepted first encounter judge contest director finds fault pattern-type flying complaints begin appear argues style accepted elsewhere should continue has continuous up-grading model quality since beginning RC scale Shouldnt also escalation flight quality respect realism threatened boycott contests tough stand taken realism may cause loss attendance Will some multitude rally type fliers come over contests find no longer expected compete against pattern flying Have opinion Lets hear Needle Valve Adjustment Having fly part throttle maximum realism means engines needle valve must easily adjustable meet varying conditions altitude temper ature humidity Maxey Hester once offered admonition never build scale model no means adjusting carburetor Scale modelers reluctant pierce adjustment hole smooth cowl finely finished plane properly modified needle hole need very large eter hole will accept slender screwdriver real problem find ing screwdriver slot hidden inside cowl especially engine vibrating Probing slot can made less irksome driver can guided standard needle right angle end bent portion removed cylindri cal steel brass part made screwdriver slot filed end hole fit needle drilled opposite end soldered needle short piece brass tube soldered over slotted end forms guide prevents screwdriver slipping out slot small hole cowl needs lined up tube quite accurately maximum effectiveness cowls have cooling air outlets rear flexible shaft needle valve extension can made its adjustment knob just inside opening can reached certainly safest arrangement removes adjust ment vicinity prop No unsightly holes blemish smooth cowL find ideal use left-over short lengths cable type pushrods metal core Salvage knurled end old damaged needle valves press Out needle solder shaft end knob short length brass tube joins flexible shafts opposite end needle outer plastic sleeve must anchored some convenient point near carburetor use aluminum bracket epoxy flat spring detents carb will need loosened bending needle rotate quite freely avoid excessive twist flexible cable cable itself becomes effective brake place flat springs difficult make small adjustments cable windup causes jumpy rotation Report Paris Six proposals concerning scale modeling rules included plenary session agenda Committee Interna tional AeromodelingCIAM Paris Novem ber 29-30 attended Proposals first examined Scale Sub-Committee makes recommendations full session 29 nations represented committee votes proposals general discussion about trends scale competition proposal Czechoslovakia contained long list sweeping changes would have drastically affected basis scoring such 104 Model Aviation IFlIhNe 1/5 Scale Size 80 Wingspan 1126 Wing Area Price $12995 CHIPSHIP 90 Sleek Fast Super Aerobatic -I TWO EASY Truly Aerobatic Twin 40 Model High Quality Throughout Price $8995 Ohio EASY 90 NEW HIGH-WING SPORT 90 1/5 Scale 80 Wingspan Flying Weight 10 lbs Fast Building no die-cut parts 15 hrs Inc custom Alum landing Gear$12995 Ultimate Flying Boat GRUMMAN WIDGEON Heres equipment need give props very best balance--balance directions Carefully crafted top grade materials BUBBLE BALANCER accomudates 3/161/49/32 prop holes Other zes available special order Dealers igyited $1495 Add 1150 fur HOWARD B HUEBL DEPT 005 pttstage hardletg bt Mess add 4% sales las ctos Boo 193 Route 4 Mankato Mn 56001 THE TRIPLE THREAT U RN AD MSIWS AJ33AUT IAOUL CO INC N 500 features multi-engines flaps retracts bomb drop Scores would lowered because considered flight operations Anyone has noted trim change during operations aware flight affected proposal rejected because would virtually replace whole present rules system developed over years world champion ships proposal US permit increase engine displacement lOcc61 15cc 91 single-engine planes rejected because increased motive power should restricted multi-engined models rule permit 15cc total twins became effective 1979 hoped follow same displacement single engine because reasoned models adequate power safer flight proposal originating Switzerland asked change ratio scoring between static flight present 5 0-50 57-43 favor flight omission craftsman ship points static scores proposal rejected originally written resubmitted change fidelity scoring side plan end views means model will viewed three-view drawing including top bottom views applicable Precision well Stand-off Scale models Judges will now see bottom plane done 1979 Nats Sport Scale complexity flight bonus system formerly applied Precision F4C Scale models will now applied also Stand-off Scale FAI competition flight schedule both classes same French delegate Jules Reggiore informed us judges Metz Stand-off Scale meet first viewed models three meters fidelity close-up crafts manship trend future meets Because Precision Stand-off now closely comparable quality US world wide committee members reasoned may eventually class type judging technique committee recommended earlier proposal clarification offlight bonus points accepted awards 5% bonus biplane 10% biplane under-cambered wings prototype model rather 10% two-bay biplane No bonus points awarded mono-wheel models retracts Complexity points awarded contestant reproduces feature modeL Bob Dolly Wischer RL 1 S-221 Laphani Peak Rd Delafiela WI 53018 RC Helicopters/Chesney continued page 29 probability Bob feels spacer suffi cient fix problem hardest landing spacer inserted below swash plate ball resting top main shaft bearing raises ball additional torque may applied ball set screw socket head screw nut through ball shaft may used replace set screw addi tional security Drill hole through shaft 900 pitch change slot spacer can made cutting 5 mm landing gear tubing Cut tubing squarely carefully avoid getting spacer Out round See drawing detail mod locks main shaft between bearing blocks raises ball appropriate position within swash plate finally Walt Schoonard sent copy set-up tape mentioned last month think begin ners will benefit particularly March 1980 105 QUIKRAY-500 hss en~eered meet need model could built fast very strong meet requirements AMA Sport Pylon Events Quicky 500 Pylon Racing Fun Fly Events around Sport Flying Trainer general Pattern Flying baby strong BuD bul lightandfast baby will turn Pylon tighter anything have seen will snap stali out. QUIICRAY-500 can built complete air Twelve Fifteen hours covered materials such SUPER MONOKOTE other covering same family U T AND QUIK ITS FULL OF TIGER EATING GRINS!! FAST IS WHAT SHE IS DOCILE Winpspan 50 Area 503 sq Engine 1945Weight 3 lbs Material AU Bales Ply needed p \ This AAmco Inc humbly say no more