Control Line Aerobatics Ted Fancher BOY have lot learn about writing things can interpreted variety ways sending Out persons Stunt persua sion column November 1984 wherein discussed visit Pro Stunt group New Jersey teased readers comment found Windy Urtnowskis lightweight ship im possible fly left hanging vague promise explain following month Well last heard Pro Stunt Mafia put out contract head suggesting top hit mans pieces equipment less full Magnum rumble Wrong wrong wrong Godfather Call off troops promise col umn will rectify misconceptions appear have sown ocean ocean Listen up guys life depends flew Windys version LJ design afternoon flew exact ly did Windy trim setup lines importantly handle Therein lies crux problem airplane. ously flies just fine cause saw Windy some very flashy patterns control han dle sometimes think sim ple device design very important actuality extremely im portant part entire Stunt package significant close personal relationship flier years experi ence develops handle feel aircraft delivers neuro-muscular system Windys handle couldnt have different Whereas have since 11 years old used Hot Rock modern adjustable variation thereof Windys handle completely homegrown recall narrower line spacing significantly greater overhang grip biased achieve neutral natural hand position slightly down opposed upright grip Hot Rock neutral net result differences airplane felt totally foreign unresponsive reason being Man/Machine Interface.the control handle Lets examine handles closely see cant learn some things will enable us extract perfor mance Stunt package three separate distinct design parameters built handle interact another deliver certain feel flier Response rates function primarily line spacing slight influence Control handlestheres thea~ nien meei eye accoraing i ec mis topic line spacing affects flying qualities Stunter Fig 1 plots leadouts attach handle three different line-spacings neutral three positions Up elevator Table 2 summarizes data handle overhang Control feel primarily function handle overhang some input line spacing Neutrality vague parameter depends interplay both spacing overhang grip angle subjective pref erence part pilot start study lets define some terms state some givens Continued vase 152 Things simpler way back 19761 more-youthful Ted Fancher fires up Moby Dick Stunter friend flying coach Bill Fitzgerald holds Unfortunately name model described its weight well size color MARINE & CAR ENGINE SPECIALS P-21Car SE $6500 P21 Marine SE$6500 P65 Marine $9000 P21 Car RE $6500 P-21 Marine RE $6500 P80 Marine $11000 P21 Buggy SE $6500 P-45 Mar-Drum RV $7800 P-21Delta$7500 P-45 Mar-Disc RV $8500 P90 Marine $13000 AERO ENGINE SPECIALS P-21 SE$5000P-45 SE$6000P-SO SE$9000 P21 RE$5500P60 SE$8500P80 RE$9500 P40 v $6500 P-60 RE $9000 P80 Duct Fan $10000 P-40 SE $5800 P-45 luct Fan $7500 P-65 Duct Fan $9500 Packing & Handling $400 COD Cash Only $165 Pay UPS Charge through ribs wing tip guides little extra care thought during building models control system will produce smooth-working wellbalanced system Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 Line spacing will defined ver tical distance Up line Down line handle neutral Specific examples addressed will handles spacing two four five inches will assume handles designed such manner regardless grip angle neutral Down line will attach handle directly below Up line addition horizontal line wrist hinge-point through vertical center handle will considered plane above forces will algebraically positive below will negative Dont let last bit throw simply basis some very simple math well doing discussion handle feel will become clear discuss overhang probably next month However Id better least mention what overhang everyone will PICCO GLO PLUGS $1500 Dozen aware what Im talking about Over hang distance wrist hingepoint outermost point con trol handle leadout wires emerge confinement han dle structure have assumed dis tance wrist hinge-point front handle grip 3 inches various tables calculations will used both March columns values deflection angles forces etc will dervied measurements reasonably-accurate full-scale drawings rather being derived mathematically force meas urements will assume total line tension pull 30 lb divided equally between Up Down hues ie 15 lb per line concept may very enlightening some havent taken opportunity completely think-through control sys tem entire Stunt package true friction-free control system will result load control lines being shared equally between lines throughout control deflectionsbut holds true up point maximum control deflection reached hang airplane single line condition sure sign poorly-trimmed plane radius rotation handle de flection control inputs will measured wrist hinge-point line-attach points described discussion overhang Thus greater line spacing overhang greater radius rotation sake keeping discussion reasonable length handle positions rotationsof 0 150 300 450 will used No consideration will taken pilots ability use arm body inputs modify handles mechanically-achiev able capabilities Well assume inputs would apply equally handle can therefore reasonably ignored Finally although function handle deflect flaps eleva tors would require full study airborne control system well han dle encompass findings thereof such study beyond scope ar ticle Therefore will accept func tion handle moving leadouts wing tip Therefore lin ear measurement movement will re flect effects inputs handle set Lets discuss response rate rela tive sensitivity first Take look Figure its accom panying table figure locates posi tion Up Down lines four dif ferent rotation angles 00 150 300 450 three different line spacings two four five inches solid sym bols indicate Down line position open symbols Up llne plot Up elevator assumed Down ele vator would produce identical plots reverse figure line-attach-point differential between Up Down lines plotted measured results posted Table numbers reflect control line dis placement neutral handle therefore wing tip larger number greater line displacement resulting control deflection given airplane Clearly wider line spacing greater line displacement given angle rotation thus sensitive handle No surprises us item remember max imum line displacement available handle equal line spacing No matter what hand Model Aviation EARLY EVERY DETAIL PERFORMS ALLvs o 101 IN WINGSPAI IG 50 LETE KIT LESS WHEELS EHOINEW PROPS 22000 SHIP 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 67th Ct Tulsa OK 74133 918 250-0033 9126 E 152 PHCISIUN HAIANC m ALL UIHLI HUNS Heres eqoipmenl need give props very best balance--balance directions Carefully crafted lop grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order lalers invited $1795 AM$lSOfor HOWARD B HUEBL SEPT 005 peovep handlIng Ii Mina 6% salon Ian No CODa Oon 02 Rn 0 MankoOn MN 56001 S RETAIL $22Oin SPECIAL S14O WINGSPAN 68* GLASS FUSE/COWL & BELLYPANWINGSPAN64 WING AIlEA700* PRECISION FOAM CORE WINOWING AfiEA1320 WEIGHT 7-BUS* PRESENT T-6 ALUM GEARWEIGHT9-95 LBS 1143114390-120 4cyc* BALSA TAIL SURFACESENGINE90-120 4cyo Use IasterCard Visa 4oney Order personal check Add 1350 shipping handlingNOR RAY PRODUCTS INC 5008 OAtH BEACH RH WICHITA FALLHTEX 76310 / 8176924675 Texas 1esidents add 5 sales tax ody tax return can get nowith speed 1665mph 2680 kph nore leadout displacement 90 ofp5 PAMPA Precision Aerobatics Mod-was using Chinese-built CSG iandle rotation displacementel Pilots Association dues have in-25cc engines appeared rill equal handle line-spacingcreased $15/year Write PAMPA ProRossi copy based outward appearance [hus leadouts displaced threeStunt Headquarters 9 Union Ave LittleThe engine utilizes sand-cast case nches full Up Down areFe NJ 07643ABC cylinder assembly beautiful lanning use handle two-inchjob workmanship model utilized inc spacing can forget about dupright engine configuration instead ontrol deflection cant getCLHem peside mount other modelers rom exercise enlighteningContinued page 66used wing span 1100mm measured Celebrationing proceeded start processing theweighed 525 grams prop single Lnd learned full deflection con-F2A Speed models took longer thanblade design diameter 160mm rols resulted leadout displacement ofanticipated because calculatea pitch 145mm es have flown almost exclusivelythe wing loading mark engine second third best flights rn handles within fraction four-incheach model submitted official flyingday made Sandor Szegedi pacing recorded history Consult-Hungary speed 1658 mph 2668 ng table will see full controlWednesday September 19 firstkph Ding Yibo China 1653 mph leflection will available plane atday official flying day started with2660 kph 100 handle rotation Since prefer flyfog thick cancel 800 am Thursday September 20 weath vith primarily hand wrist inputs itstart After fog lifted 900 am theer cool 680F scattered clouds ppears combination naturalofficial fi commenced individualFlying started promptly 800 am might try similar exercise towas scheduled 10 minutes male anSandor Szegedi Hungary setting pace ee have equally harmoniousofficialflight Ifnoofficial flightwas madeat 174Omph280lokphforthebesttime onibination consider modifyinga second attempt scheduled afterof day Szegedi using Rossi 25 cc tour handle appropriatelyeveryone completed first attemptengine mounted sideways model continued next month 17 official flights out ofmodel constructed wood similar 37 attempts first day officialto basswood propeller handTed Fancher 158 Flying Cloud Isleflying Gao Guojun Peoples Repub-carved wood diameter oster City CA 94409lic China fastest time dayContinued page 156 Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 oz $995 Giant Kwik Set 6 Minute16 az$1395 Half Fast 10 Minute10 oz $895 GMP AIRCRAFT INSTRUMENTS 80 3/16l/43/8l/2$ 149 40 3/4 inch$ 149 EASY OFF PULLER proper tool removing drive weshersand flywheels$ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 sot ot yss doolur ordor dkoet Post odd $110 February 1985153 RETAIL PRICESPECIAL STDKIT$259STDKlT$175 DELUXE KIT S299 DELUXE KIT S2OS GLASS FUSE/COWL & BELLYPAN * PRECISION FOAM CORE WING * PRESENT T-6 ALUM GEAR * BALSA TAIL SURFACES MONOCOUPE 90A QUARTER SCALE QUADRA 4 CYCLE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 206941-8248
Edition: Model Aviation - 1985/02
Page Numbers: 65, 152, 153
Control Line Aerobatics Ted Fancher BOY have lot learn about writing things can interpreted variety ways sending Out persons Stunt persua sion column November 1984 wherein discussed visit Pro Stunt group New Jersey teased readers comment found Windy Urtnowskis lightweight ship im possible fly left hanging vague promise explain following month Well last heard Pro Stunt Mafia put out contract head suggesting top hit mans pieces equipment less full Magnum rumble Wrong wrong wrong Godfather Call off troops promise col umn will rectify misconceptions appear have sown ocean ocean Listen up guys life depends flew Windys version LJ design afternoon flew exact ly did Windy trim setup lines importantly handle Therein lies crux problem airplane. ously flies just fine cause saw Windy some very flashy patterns control han dle sometimes think sim ple device design very important actuality extremely im portant part entire Stunt package significant close personal relationship flier years experi ence develops handle feel aircraft delivers neuro-muscular system Windys handle couldnt have different Whereas have since 11 years old used Hot Rock modern adjustable variation thereof Windys handle completely homegrown recall narrower line spacing significantly greater overhang grip biased achieve neutral natural hand position slightly down opposed upright grip Hot Rock neutral net result differences airplane felt totally foreign unresponsive reason being Man/Machine Interface.the control handle Lets examine handles closely see cant learn some things will enable us extract perfor mance Stunt package three separate distinct design parameters built handle interact another deliver certain feel flier Response rates function primarily line spacing slight influence Control handlestheres thea~ nien meei eye accoraing i ec mis topic line spacing affects flying qualities Stunter Fig 1 plots leadouts attach handle three different line-spacings neutral three positions Up elevator Table 2 summarizes data handle overhang Control feel primarily function handle overhang some input line spacing Neutrality vague parameter depends interplay both spacing overhang grip angle subjective pref erence part pilot start study lets define some terms state some givens Continued vase 152 Things simpler way back 19761 more-youthful Ted Fancher fires up Moby Dick Stunter friend flying coach Bill Fitzgerald holds Unfortunately name model described its weight well size color MARINE & CAR ENGINE SPECIALS P-21Car SE $6500 P21 Marine SE$6500 P65 Marine $9000 P21 Car RE $6500 P-21 Marine RE $6500 P80 Marine $11000 P21 Buggy SE $6500 P-45 Mar-Drum RV $7800 P-21Delta$7500 P-45 Mar-Disc RV $8500 P90 Marine $13000 AERO ENGINE SPECIALS P-21 SE$5000P-45 SE$6000P-SO SE$9000 P21 RE$5500P60 SE$8500P80 RE$9500 P40 v $6500 P-60 RE $9000 P80 Duct Fan $10000 P-40 SE $5800 P-45 luct Fan $7500 P-65 Duct Fan $9500 Packing & Handling $400 COD Cash Only $165 Pay UPS Charge through ribs wing tip guides little extra care thought during building models control system will produce smooth-working wellbalanced system Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 Line spacing will defined ver tical distance Up line Down line handle neutral Specific examples addressed will handles spacing two four five inches will assume handles designed such manner regardless grip angle neutral Down line will attach handle directly below Up line addition horizontal line wrist hinge-point through vertical center handle will considered plane above forces will algebraically positive below will negative Dont let last bit throw simply basis some very simple math well doing discussion handle feel will become clear discuss overhang probably next month However Id better least mention what overhang everyone will PICCO GLO PLUGS $1500 Dozen aware what Im talking about Over hang distance wrist hingepoint outermost point con trol handle leadout wires emerge confinement han dle structure have assumed dis tance wrist hinge-point front handle grip 3 inches various tables calculations will used both March columns values deflection angles forces etc will dervied measurements reasonably-accurate full-scale drawings rather being derived mathematically force meas urements will assume total line tension pull 30 lb divided equally between Up Down hues ie 15 lb per line concept may very enlightening some havent taken opportunity completely think-through control sys tem entire Stunt package true friction-free control system will result load control lines being shared equally between lines throughout control deflectionsbut holds true up point maximum control deflection reached hang airplane single line condition sure sign poorly-trimmed plane radius rotation handle de flection control inputs will measured wrist hinge-point line-attach points described discussion overhang Thus greater line spacing overhang greater radius rotation sake keeping discussion reasonable length handle positions rotationsof 0 150 300 450 will used No consideration will taken pilots ability use arm body inputs modify handles mechanically-achiev able capabilities Well assume inputs would apply equally handle can therefore reasonably ignored Finally although function handle deflect flaps eleva tors would require full study airborne control system well han dle encompass findings thereof such study beyond scope ar ticle Therefore will accept func tion handle moving leadouts wing tip Therefore lin ear measurement movement will re flect effects inputs handle set Lets discuss response rate rela tive sensitivity first Take look Figure its accom panying table figure locates posi tion Up Down lines four dif ferent rotation angles 00 150 300 450 three different line spacings two four five inches solid sym bols indicate Down line position open symbols Up llne plot Up elevator assumed Down ele vator would produce identical plots reverse figure line-attach-point differential between Up Down lines plotted measured results posted Table numbers reflect control line dis placement neutral handle therefore wing tip larger number greater line displacement resulting control deflection given airplane Clearly wider line spacing greater line displacement given angle rotation thus sensitive handle No surprises us item remember max imum line displacement available handle equal line spacing No matter what hand Model Aviation EARLY EVERY DETAIL PERFORMS ALLvs o 101 IN WINGSPAI IG 50 LETE KIT LESS WHEELS EHOINEW PROPS 22000 SHIP 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 67th Ct Tulsa OK 74133 918 250-0033 9126 E 152 PHCISIUN HAIANC m ALL UIHLI HUNS Heres eqoipmenl need give props very best balance--balance directions Carefully crafted lop grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order lalers invited $1795 AM$lSOfor HOWARD B HUEBL SEPT 005 peovep handlIng Ii Mina 6% salon Ian No CODa Oon 02 Rn 0 MankoOn MN 56001 S RETAIL $22Oin SPECIAL S14O WINGSPAN 68* GLASS FUSE/COWL & BELLYPANWINGSPAN64 WING AIlEA700* PRECISION FOAM CORE WINOWING AfiEA1320 WEIGHT 7-BUS* PRESENT T-6 ALUM GEARWEIGHT9-95 LBS 1143114390-120 4cyc* BALSA TAIL SURFACESENGINE90-120 4cyo Use IasterCard Visa 4oney Order personal check Add 1350 shipping handlingNOR RAY PRODUCTS INC 5008 OAtH BEACH RH WICHITA FALLHTEX 76310 / 8176924675 Texas 1esidents add 5 sales tax ody tax return can get nowith speed 1665mph 2680 kph nore leadout displacement 90 ofp5 PAMPA Precision Aerobatics Mod-was using Chinese-built CSG iandle rotation displacementel Pilots Association dues have in-25cc engines appeared rill equal handle line-spacingcreased $15/year Write PAMPA ProRossi copy based outward appearance [hus leadouts displaced threeStunt Headquarters 9 Union Ave LittleThe engine utilizes sand-cast case nches full Up Down areFe NJ 07643ABC cylinder assembly beautiful lanning use handle two-inchjob workmanship model utilized inc spacing can forget about dupright engine configuration instead ontrol deflection cant getCLHem peside mount other modelers rom exercise enlighteningContinued page 66used wing span 1100mm measured Celebrationing proceeded start processing theweighed 525 grams prop single Lnd learned full deflection con-F2A Speed models took longer thanblade design diameter 160mm rols resulted leadout displacement ofanticipated because calculatea pitch 145mm es have flown almost exclusivelythe wing loading mark engine second third best flights rn handles within fraction four-incheach model submitted official flyingday made Sandor Szegedi pacing recorded history Consult-Hungary speed 1658 mph 2668 ng table will see full controlWednesday September 19 firstkph Ding Yibo China 1653 mph leflection will available plane atday official flying day started with2660 kph 100 handle rotation Since prefer flyfog thick cancel 800 am Thursday September 20 weath vith primarily hand wrist inputs itstart After fog lifted 900 am theer cool 680F scattered clouds ppears combination naturalofficial fi commenced individualFlying started promptly 800 am might try similar exercise towas scheduled 10 minutes male anSandor Szegedi Hungary setting pace ee have equally harmoniousofficialflight Ifnoofficial flightwas madeat 174Omph280lokphforthebesttime onibination consider modifyinga second attempt scheduled afterof day Szegedi using Rossi 25 cc tour handle appropriatelyeveryone completed first attemptengine mounted sideways model continued next month 17 official flights out ofmodel constructed wood similar 37 attempts first day officialto basswood propeller handTed Fancher 158 Flying Cloud Isleflying Gao Guojun Peoples Repub-carved wood diameter oster City CA 94409lic China fastest time dayContinued page 156 Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 oz $995 Giant Kwik Set 6 Minute16 az$1395 Half Fast 10 Minute10 oz $895 GMP AIRCRAFT INSTRUMENTS 80 3/16l/43/8l/2$ 149 40 3/4 inch$ 149 EASY OFF PULLER proper tool removing drive weshersand flywheels$ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 sot ot yss doolur ordor dkoet Post odd $110 February 1985153 RETAIL PRICESPECIAL STDKIT$259STDKlT$175 DELUXE KIT S299 DELUXE KIT S2OS GLASS FUSE/COWL & BELLYPAN * PRECISION FOAM CORE WING * PRESENT T-6 ALUM GEAR * BALSA TAIL SURFACES MONOCOUPE 90A QUARTER SCALE QUADRA 4 CYCLE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 206941-8248
Edition: Model Aviation - 1985/02
Page Numbers: 65, 152, 153
Control Line Aerobatics Ted Fancher BOY have lot learn about writing things can interpreted variety ways sending Out persons Stunt persua sion column November 1984 wherein discussed visit Pro Stunt group New Jersey teased readers comment found Windy Urtnowskis lightweight ship im possible fly left hanging vague promise explain following month Well last heard Pro Stunt Mafia put out contract head suggesting top hit mans pieces equipment less full Magnum rumble Wrong wrong wrong Godfather Call off troops promise col umn will rectify misconceptions appear have sown ocean ocean Listen up guys life depends flew Windys version LJ design afternoon flew exact ly did Windy trim setup lines importantly handle Therein lies crux problem airplane. ously flies just fine cause saw Windy some very flashy patterns control han dle sometimes think sim ple device design very important actuality extremely im portant part entire Stunt package significant close personal relationship flier years experi ence develops handle feel aircraft delivers neuro-muscular system Windys handle couldnt have different Whereas have since 11 years old used Hot Rock modern adjustable variation thereof Windys handle completely homegrown recall narrower line spacing significantly greater overhang grip biased achieve neutral natural hand position slightly down opposed upright grip Hot Rock neutral net result differences airplane felt totally foreign unresponsive reason being Man/Machine Interface.the control handle Lets examine handles closely see cant learn some things will enable us extract perfor mance Stunt package three separate distinct design parameters built handle interact another deliver certain feel flier Response rates function primarily line spacing slight influence Control handlestheres thea~ nien meei eye accoraing i ec mis topic line spacing affects flying qualities Stunter Fig 1 plots leadouts attach handle three different line-spacings neutral three positions Up elevator Table 2 summarizes data handle overhang Control feel primarily function handle overhang some input line spacing Neutrality vague parameter depends interplay both spacing overhang grip angle subjective pref erence part pilot start study lets define some terms state some givens Continued vase 152 Things simpler way back 19761 more-youthful Ted Fancher fires up Moby Dick Stunter friend flying coach Bill Fitzgerald holds Unfortunately name model described its weight well size color MARINE & CAR ENGINE SPECIALS P-21Car SE $6500 P21 Marine SE$6500 P65 Marine $9000 P21 Car RE $6500 P-21 Marine RE $6500 P80 Marine $11000 P21 Buggy SE $6500 P-45 Mar-Drum RV $7800 P-21Delta$7500 P-45 Mar-Disc RV $8500 P90 Marine $13000 AERO ENGINE SPECIALS P-21 SE$5000P-45 SE$6000P-SO SE$9000 P21 RE$5500P60 SE$8500P80 RE$9500 P40 v $6500 P-60 RE $9000 P80 Duct Fan $10000 P-40 SE $5800 P-45 luct Fan $7500 P-65 Duct Fan $9500 Packing & Handling $400 COD Cash Only $165 Pay UPS Charge through ribs wing tip guides little extra care thought during building models control system will produce smooth-working wellbalanced system Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 Line spacing will defined ver tical distance Up line Down line handle neutral Specific examples addressed will handles spacing two four five inches will assume handles designed such manner regardless grip angle neutral Down line will attach handle directly below Up line addition horizontal line wrist hinge-point through vertical center handle will considered plane above forces will algebraically positive below will negative Dont let last bit throw simply basis some very simple math well doing discussion handle feel will become clear discuss overhang probably next month However Id better least mention what overhang everyone will PICCO GLO PLUGS $1500 Dozen aware what Im talking about Over hang distance wrist hingepoint outermost point con trol handle leadout wires emerge confinement han dle structure have assumed dis tance wrist hinge-point front handle grip 3 inches various tables calculations will used both March columns values deflection angles forces etc will dervied measurements reasonably-accurate full-scale drawings rather being derived mathematically force meas urements will assume total line tension pull 30 lb divided equally between Up Down hues ie 15 lb per line concept may very enlightening some havent taken opportunity completely think-through control sys tem entire Stunt package true friction-free control system will result load control lines being shared equally between lines throughout control deflectionsbut holds true up point maximum control deflection reached hang airplane single line condition sure sign poorly-trimmed plane radius rotation handle de flection control inputs will measured wrist hinge-point line-attach points described discussion overhang Thus greater line spacing overhang greater radius rotation sake keeping discussion reasonable length handle positions rotationsof 0 150 300 450 will used No consideration will taken pilots ability use arm body inputs modify handles mechanically-achiev able capabilities Well assume inputs would apply equally handle can therefore reasonably ignored Finally although function handle deflect flaps eleva tors would require full study airborne control system well han dle encompass findings thereof such study beyond scope ar ticle Therefore will accept func tion handle moving leadouts wing tip Therefore lin ear measurement movement will re flect effects inputs handle set Lets discuss response rate rela tive sensitivity first Take look Figure its accom panying table figure locates posi tion Up Down lines four dif ferent rotation angles 00 150 300 450 three different line spacings two four five inches solid sym bols indicate Down line position open symbols Up llne plot Up elevator assumed Down ele vator would produce identical plots reverse figure line-attach-point differential between Up Down lines plotted measured results posted Table numbers reflect control line dis placement neutral handle therefore wing tip larger number greater line displacement resulting control deflection given airplane Clearly wider line spacing greater line displacement given angle rotation thus sensitive handle No surprises us item remember max imum line displacement available handle equal line spacing No matter what hand Model Aviation EARLY EVERY DETAIL PERFORMS ALLvs o 101 IN WINGSPAI IG 50 LETE KIT LESS WHEELS EHOINEW PROPS 22000 SHIP 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 67th Ct Tulsa OK 74133 918 250-0033 9126 E 152 PHCISIUN HAIANC m ALL UIHLI HUNS Heres eqoipmenl need give props very best balance--balance directions Carefully crafted lop grade materials BUBBLE BALANCER accomodates 3/161/49/32 prop holes Other sizes available special order lalers invited $1795 AM$lSOfor HOWARD B HUEBL SEPT 005 peovep handlIng Ii Mina 6% salon Ian No CODa Oon 02 Rn 0 MankoOn MN 56001 S RETAIL $22Oin SPECIAL S14O WINGSPAN 68* GLASS FUSE/COWL & BELLYPANWINGSPAN64 WING AIlEA700* PRECISION FOAM CORE WINOWING AfiEA1320 WEIGHT 7-BUS* PRESENT T-6 ALUM GEARWEIGHT9-95 LBS 1143114390-120 4cyc* BALSA TAIL SURFACESENGINE90-120 4cyo Use IasterCard Visa 4oney Order personal check Add 1350 shipping handlingNOR RAY PRODUCTS INC 5008 OAtH BEACH RH WICHITA FALLHTEX 76310 / 8176924675 Texas 1esidents add 5 sales tax ody tax return can get nowith speed 1665mph 2680 kph nore leadout displacement 90 ofp5 PAMPA Precision Aerobatics Mod-was using Chinese-built CSG iandle rotation displacementel Pilots Association dues have in-25cc engines appeared rill equal handle line-spacingcreased $15/year Write PAMPA ProRossi copy based outward appearance [hus leadouts displaced threeStunt Headquarters 9 Union Ave LittleThe engine utilizes sand-cast case nches full Up Down areFe NJ 07643ABC cylinder assembly beautiful lanning use handle two-inchjob workmanship model utilized inc spacing can forget about dupright engine configuration instead ontrol deflection cant getCLHem peside mount other modelers rom exercise enlighteningContinued page 66used wing span 1100mm measured Celebrationing proceeded start processing theweighed 525 grams prop single Lnd learned full deflection con-F2A Speed models took longer thanblade design diameter 160mm rols resulted leadout displacement ofanticipated because calculatea pitch 145mm es have flown almost exclusivelythe wing loading mark engine second third best flights rn handles within fraction four-incheach model submitted official flyingday made Sandor Szegedi pacing recorded history Consult-Hungary speed 1658 mph 2668 ng table will see full controlWednesday September 19 firstkph Ding Yibo China 1653 mph leflection will available plane atday official flying day started with2660 kph 100 handle rotation Since prefer flyfog thick cancel 800 am Thursday September 20 weath vith primarily hand wrist inputs itstart After fog lifted 900 am theer cool 680F scattered clouds ppears combination naturalofficial fi commenced individualFlying started promptly 800 am might try similar exercise towas scheduled 10 minutes male anSandor Szegedi Hungary setting pace ee have equally harmoniousofficialflight Ifnoofficial flightwas madeat 174Omph280lokphforthebesttime onibination consider modifyinga second attempt scheduled afterof day Szegedi using Rossi 25 cc tour handle appropriatelyeveryone completed first attemptengine mounted sideways model continued next month 17 official flights out ofmodel constructed wood similar 37 attempts first day officialto basswood propeller handTed Fancher 158 Flying Cloud Isleflying Gao Guojun Peoples Repub-carved wood diameter oster City CA 94409lic China fastest time dayContinued page 156 Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 oz $995 Giant Kwik Set 6 Minute16 az$1395 Half Fast 10 Minute10 oz $895 GMP AIRCRAFT INSTRUMENTS 80 3/16l/43/8l/2$ 149 40 3/4 inch$ 149 EASY OFF PULLER proper tool removing drive weshersand flywheels$ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 sot ot yss doolur ordor dkoet Post odd $110 February 1985153 RETAIL PRICESPECIAL STDKIT$259STDKlT$175 DELUXE KIT S299 DELUXE KIT S2OS GLASS FUSE/COWL & BELLYPAN * PRECISION FOAM CORE WING * PRESENT T-6 ALUM GEAR * BALSA TAIL SURFACES MONOCOUPE 90A QUARTER SCALE QUADRA 4 CYCLE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 206941-8248