George M Mye D Radio Thchnque 70 Froeblich Farm Rd Hkksvllle NY 11801 Front view World Engines Expert transmitter L includes neck strap George likes Rear view Expert transmitter R showing RCMA Gold sticker AMA Airplanes Only red sticker cavity housing servo function switches potentiometers cover cavity has removed rests diagonally atop case George later added tether cover prevent its loss ABSTRACT World Engines Inc Expert sevenchannel FM system described field tested compared Polks Challenger 720 Transmit ter found meet AMA Guidelines 1991 RC systems World Engines trade-in policy old systems described WORLD ENGINES Expert FM radio simi larities Polks Challenger World Engines Expert RC systems inescapable see fact made same company Hi Tec Korea identical Both came market 1986 very low priced systems feature-loaded narrow-band transmitters low-priced servos inferior re ceivers Both have come back year later truly excellent receivers program trade good receivers bad described Polks ex change program page 35 March 1988 sue Heres World Engines exchange policy 1 Send back ANY old World Engines system 27 MHz receive complete new Gold-stickered seven-channel World En gines Expert FM system $135 2 Send back 1986-87 World Expert FM system receive new receiver tuned up dated gold-stickered transmitter $40 3 Exchange additional receivers Ex pert FM $25 4 Move updated Expert FM channel RC18-RC34 group $25 World Engines has found crystal-swapping module-swapping field bad news Thats put RF module metal can under back cover screwed down stead making simple plug-in device World Engines doesnt want blamed poor sys tem performance because bought cheap crystal somewhere think new sys tem good want people have good experiences look various circuit boards World Engines Polks RC systems look similar identicalsimilar World Engines has different transmitter case has made some changes components eliminate tem perature voltage sensitivities transmit ter tighten dead band servos receivers two sets examined identi cal day radio manufacturer seems have its own peculiar servo plug Polks World Engines use same plug wiring signments servos can interchanged World Engines S-25X servo looks identical Polks Hi Tec HS 402 supposed have different chip motor Both have same performance specifications 35 in-oz stall torque 8 mA idle 6 VDC 024 sec/600 rota tion positive pulse 155 ms neutral Servo motors pots gears interchange able components other servos such Indys some Futabas However World Engines alone offers American-made 5-16 big servo Expert FM Quarter-Scalers use servo advised purchase heavyduty switch harness larger battery pack Inci dentally no need add ferrite beads chokes etc using servo extension leads receiver Both systems show dramatically better per formance ALL tests last years systems four samples tested two Experts two Challenger 720s show significantly better per formance systems have testing since 1982 Polks Challenger 720 shows best resis tance adjacent channels World En gines Expert shows best resistance thirdorder interference found interesting see both systems show variation perform ance between samples variation 32 Model Aviation Flight packs Polks Challenger 720 L World Engines Expert R depict similari ties Battery packs switch harnesses different same Korean company makes both sets similar identical George says subject column shows up tradeoff between optimizing adja cent-channel optimizing third-order interfer ence resistances Let note small thing use transmitter neck strap former saxophone player have never fan A-in plastic things provided sets World Engines neck strap big /16 1 soft woven cloth strap should comfortable hours time sliding cover back set conceals servo reversing switches well poten tiometers dual rates mixing auxiliary channel control throws pet peeves easy way such covers manage get lost attached cord have done years other transmitters must remove back cover adjust con trol stick centering force Bu must first remove two small screws Since screws have very fine metric thread held plastic youre ready reinstall cover again really great idea turn counterclockwise until feel threads drop engagement before turning clockwise fasten back Once back off stick spring adjustments found behind windows cut transmitter circuit board mention sticks because transmitter thicker usual fly thumbs using tips thumbs stick stick little tall hand solved problem remov ing top part adjustable stick run ning bottom jam nut now new thumb pad up top threaded part stick remained fastened drop Zap World Engines Expert system adver tised being available either AM FM can look over transmitter finding out type have look very carefully through window back will notice FCC ID EVI 7VXWETFM1-7 transmitter module FM 1-7 tells you have FM transmitter module think about way should system came R/CMA Gold seal affixed Koreans put four quality control QC stamps case World Engines added Gold sticker after checking trans mitter see qualified AMA Air planes Only sticker also attached sticker situation can provide good things hobby long isnt abused case tells someone United States checked system after got off boatand before hit dealers shelf radio came old-style flag old channels listed instruction manual fitted Best Frequency Flags see February 1988 column page 38 flag antenna cause it showed correct number Butch Lanterman World Engines long conversation about matters related ra dio told correct flag improved instruction book will found future deliveries wanted new low-end channels writing still boat month World Expert FM radio systems will available RC18 through RC34 six meters 531-538 MHz mixing situation transmitter bit strange 1-4 mixer can mix aileron rud der well rudder aileron can both same time Ive never used either Continued page 128 Best Europe s leading manufacturer Pilots supply fully post anal f gures National Scale Champs dress pilots known apparel Accessories include Helmets Goggles Sun Glasses Bobble Hats Baseball Caps Floppy Hats Bone Domes Oxygen Masks Maewests popular types WW WW II sports one-piece suit stripes lall colorsl NATO one-piece suit map pockets lolive greenl glider pilots turtle neck sweaters floppy hat sun glasses Standard pilot tan pants simulated leather jacket fur collar baseball cap sun glasses pilots lightest ever come painted dressed ready fly 1/4 Scale Plus $500 postage handling % Scale irmail Have fun / Scale parachutist ram chute rip-stop nylon ready servos Takes standard flight pack makes $9O Plus $10 Easy Ordering st delivery Postage Handling send phone VISA MasterCard Number AH DESIGNS BI OLD WORKSHOPS FFORDDDERWEN CLWYD UK 2YR B&P Associates Gives Total Fligbt Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric s arter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have NiCads virtually size imaginable cut experimenter free design whatever takes make yours best setup f field Adjustable side frames free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included Wraparound frame fits comfortably over prescription glasses mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work S1325 Amber overcast days & late afternoons S1455 Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range lip blade struck Safety Plus glasses saved him serious iniury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club 2 I See hobby dealer first inin If doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 Ph 601 924-9640 Shipping & handling included lisa MasterCard accepted July 1988 33 Scale 0 % Scale Tel 0745-53987 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 32, 33, 128
George M Mye D Radio Thchnque 70 Froeblich Farm Rd Hkksvllle NY 11801 Front view World Engines Expert transmitter L includes neck strap George likes Rear view Expert transmitter R showing RCMA Gold sticker AMA Airplanes Only red sticker cavity housing servo function switches potentiometers cover cavity has removed rests diagonally atop case George later added tether cover prevent its loss ABSTRACT World Engines Inc Expert sevenchannel FM system described field tested compared Polks Challenger 720 Transmit ter found meet AMA Guidelines 1991 RC systems World Engines trade-in policy old systems described WORLD ENGINES Expert FM radio simi larities Polks Challenger World Engines Expert RC systems inescapable see fact made same company Hi Tec Korea identical Both came market 1986 very low priced systems feature-loaded narrow-band transmitters low-priced servos inferior re ceivers Both have come back year later truly excellent receivers program trade good receivers bad described Polks ex change program page 35 March 1988 sue Heres World Engines exchange policy 1 Send back ANY old World Engines system 27 MHz receive complete new Gold-stickered seven-channel World En gines Expert FM system $135 2 Send back 1986-87 World Expert FM system receive new receiver tuned up dated gold-stickered transmitter $40 3 Exchange additional receivers Ex pert FM $25 4 Move updated Expert FM channel RC18-RC34 group $25 World Engines has found crystal-swapping module-swapping field bad news Thats put RF module metal can under back cover screwed down stead making simple plug-in device World Engines doesnt want blamed poor sys tem performance because bought cheap crystal somewhere think new sys tem good want people have good experiences look various circuit boards World Engines Polks RC systems look similar identicalsimilar World Engines has different transmitter case has made some changes components eliminate tem perature voltage sensitivities transmit ter tighten dead band servos receivers two sets examined identi cal day radio manufacturer seems have its own peculiar servo plug Polks World Engines use same plug wiring signments servos can interchanged World Engines S-25X servo looks identical Polks Hi Tec HS 402 supposed have different chip motor Both have same performance specifications 35 in-oz stall torque 8 mA idle 6 VDC 024 sec/600 rota tion positive pulse 155 ms neutral Servo motors pots gears interchange able components other servos such Indys some Futabas However World Engines alone offers American-made 5-16 big servo Expert FM Quarter-Scalers use servo advised purchase heavyduty switch harness larger battery pack Inci dentally no need add ferrite beads chokes etc using servo extension leads receiver Both systems show dramatically better per formance ALL tests last years systems four samples tested two Experts two Challenger 720s show significantly better per formance systems have testing since 1982 Polks Challenger 720 shows best resis tance adjacent channels World En gines Expert shows best resistance thirdorder interference found interesting see both systems show variation perform ance between samples variation 32 Model Aviation Flight packs Polks Challenger 720 L World Engines Expert R depict similari ties Battery packs switch harnesses different same Korean company makes both sets similar identical George says subject column shows up tradeoff between optimizing adja cent-channel optimizing third-order interfer ence resistances Let note small thing use transmitter neck strap former saxophone player have never fan A-in plastic things provided sets World Engines neck strap big /16 1 soft woven cloth strap should comfortable hours time sliding cover back set conceals servo reversing switches well poten tiometers dual rates mixing auxiliary channel control throws pet peeves easy way such covers manage get lost attached cord have done years other transmitters must remove back cover adjust con trol stick centering force Bu must first remove two small screws Since screws have very fine metric thread held plastic youre ready reinstall cover again really great idea turn counterclockwise until feel threads drop engagement before turning clockwise fasten back Once back off stick spring adjustments found behind windows cut transmitter circuit board mention sticks because transmitter thicker usual fly thumbs using tips thumbs stick stick little tall hand solved problem remov ing top part adjustable stick run ning bottom jam nut now new thumb pad up top threaded part stick remained fastened drop Zap World Engines Expert system adver tised being available either AM FM can look over transmitter finding out type have look very carefully through window back will notice FCC ID EVI 7VXWETFM1-7 transmitter module FM 1-7 tells you have FM transmitter module think about way should system came R/CMA Gold seal affixed Koreans put four quality control QC stamps case World Engines added Gold sticker after checking trans mitter see qualified AMA Air planes Only sticker also attached sticker situation can provide good things hobby long isnt abused case tells someone United States checked system after got off boatand before hit dealers shelf radio came old-style flag old channels listed instruction manual fitted Best Frequency Flags see February 1988 column page 38 flag antenna cause it showed correct number Butch Lanterman World Engines long conversation about matters related ra dio told correct flag improved instruction book will found future deliveries wanted new low-end channels writing still boat month World Expert FM radio systems will available RC18 through RC34 six meters 531-538 MHz mixing situation transmitter bit strange 1-4 mixer can mix aileron rud der well rudder aileron can both same time Ive never used either Continued page 128 Best Europe s leading manufacturer Pilots supply fully post anal f gures National Scale Champs dress pilots known apparel Accessories include Helmets Goggles Sun Glasses Bobble Hats Baseball Caps Floppy Hats Bone Domes Oxygen Masks Maewests popular types WW WW II sports one-piece suit stripes lall colorsl NATO one-piece suit map pockets lolive greenl glider pilots turtle neck sweaters floppy hat sun glasses Standard pilot tan pants simulated leather jacket fur collar baseball cap sun glasses pilots lightest ever come painted dressed ready fly 1/4 Scale Plus $500 postage handling % Scale irmail Have fun / Scale parachutist ram chute rip-stop nylon ready servos Takes standard flight pack makes $9O Plus $10 Easy Ordering st delivery Postage Handling send phone VISA MasterCard Number AH DESIGNS BI OLD WORKSHOPS FFORDDDERWEN CLWYD UK 2YR B&P Associates Gives Total Fligbt Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric s arter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have NiCads virtually size imaginable cut experimenter free design whatever takes make yours best setup f field Adjustable side frames free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included Wraparound frame fits comfortably over prescription glasses mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work S1325 Amber overcast days & late afternoons S1455 Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range lip blade struck Safety Plus glasses saved him serious iniury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club 2 I See hobby dealer first inin If doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 Ph 601 924-9640 Shipping & handling included lisa MasterCard accepted July 1988 33 Scale 0 % Scale Tel 0745-53987 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 32, 33, 128
George M Mye D Radio Thchnque 70 Froeblich Farm Rd Hkksvllle NY 11801 Front view World Engines Expert transmitter L includes neck strap George likes Rear view Expert transmitter R showing RCMA Gold sticker AMA Airplanes Only red sticker cavity housing servo function switches potentiometers cover cavity has removed rests diagonally atop case George later added tether cover prevent its loss ABSTRACT World Engines Inc Expert sevenchannel FM system described field tested compared Polks Challenger 720 Transmit ter found meet AMA Guidelines 1991 RC systems World Engines trade-in policy old systems described WORLD ENGINES Expert FM radio simi larities Polks Challenger World Engines Expert RC systems inescapable see fact made same company Hi Tec Korea identical Both came market 1986 very low priced systems feature-loaded narrow-band transmitters low-priced servos inferior re ceivers Both have come back year later truly excellent receivers program trade good receivers bad described Polks ex change program page 35 March 1988 sue Heres World Engines exchange policy 1 Send back ANY old World Engines system 27 MHz receive complete new Gold-stickered seven-channel World En gines Expert FM system $135 2 Send back 1986-87 World Expert FM system receive new receiver tuned up dated gold-stickered transmitter $40 3 Exchange additional receivers Ex pert FM $25 4 Move updated Expert FM channel RC18-RC34 group $25 World Engines has found crystal-swapping module-swapping field bad news Thats put RF module metal can under back cover screwed down stead making simple plug-in device World Engines doesnt want blamed poor sys tem performance because bought cheap crystal somewhere think new sys tem good want people have good experiences look various circuit boards World Engines Polks RC systems look similar identicalsimilar World Engines has different transmitter case has made some changes components eliminate tem perature voltage sensitivities transmit ter tighten dead band servos receivers two sets examined identi cal day radio manufacturer seems have its own peculiar servo plug Polks World Engines use same plug wiring signments servos can interchanged World Engines S-25X servo looks identical Polks Hi Tec HS 402 supposed have different chip motor Both have same performance specifications 35 in-oz stall torque 8 mA idle 6 VDC 024 sec/600 rota tion positive pulse 155 ms neutral Servo motors pots gears interchange able components other servos such Indys some Futabas However World Engines alone offers American-made 5-16 big servo Expert FM Quarter-Scalers use servo advised purchase heavyduty switch harness larger battery pack Inci dentally no need add ferrite beads chokes etc using servo extension leads receiver Both systems show dramatically better per formance ALL tests last years systems four samples tested two Experts two Challenger 720s show significantly better per formance systems have testing since 1982 Polks Challenger 720 shows best resis tance adjacent channels World En gines Expert shows best resistance thirdorder interference found interesting see both systems show variation perform ance between samples variation 32 Model Aviation Flight packs Polks Challenger 720 L World Engines Expert R depict similari ties Battery packs switch harnesses different same Korean company makes both sets similar identical George says subject column shows up tradeoff between optimizing adja cent-channel optimizing third-order interfer ence resistances Let note small thing use transmitter neck strap former saxophone player have never fan A-in plastic things provided sets World Engines neck strap big /16 1 soft woven cloth strap should comfortable hours time sliding cover back set conceals servo reversing switches well poten tiometers dual rates mixing auxiliary channel control throws pet peeves easy way such covers manage get lost attached cord have done years other transmitters must remove back cover adjust con trol stick centering force Bu must first remove two small screws Since screws have very fine metric thread held plastic youre ready reinstall cover again really great idea turn counterclockwise until feel threads drop engagement before turning clockwise fasten back Once back off stick spring adjustments found behind windows cut transmitter circuit board mention sticks because transmitter thicker usual fly thumbs using tips thumbs stick stick little tall hand solved problem remov ing top part adjustable stick run ning bottom jam nut now new thumb pad up top threaded part stick remained fastened drop Zap World Engines Expert system adver tised being available either AM FM can look over transmitter finding out type have look very carefully through window back will notice FCC ID EVI 7VXWETFM1-7 transmitter module FM 1-7 tells you have FM transmitter module think about way should system came R/CMA Gold seal affixed Koreans put four quality control QC stamps case World Engines added Gold sticker after checking trans mitter see qualified AMA Air planes Only sticker also attached sticker situation can provide good things hobby long isnt abused case tells someone United States checked system after got off boatand before hit dealers shelf radio came old-style flag old channels listed instruction manual fitted Best Frequency Flags see February 1988 column page 38 flag antenna cause it showed correct number Butch Lanterman World Engines long conversation about matters related ra dio told correct flag improved instruction book will found future deliveries wanted new low-end channels writing still boat month World Expert FM radio systems will available RC18 through RC34 six meters 531-538 MHz mixing situation transmitter bit strange 1-4 mixer can mix aileron rud der well rudder aileron can both same time Ive never used either Continued page 128 Best Europe s leading manufacturer Pilots supply fully post anal f gures National Scale Champs dress pilots known apparel Accessories include Helmets Goggles Sun Glasses Bobble Hats Baseball Caps Floppy Hats Bone Domes Oxygen Masks Maewests popular types WW WW II sports one-piece suit stripes lall colorsl NATO one-piece suit map pockets lolive greenl glider pilots turtle neck sweaters floppy hat sun glasses Standard pilot tan pants simulated leather jacket fur collar baseball cap sun glasses pilots lightest ever come painted dressed ready fly 1/4 Scale Plus $500 postage handling % Scale irmail Have fun / Scale parachutist ram chute rip-stop nylon ready servos Takes standard flight pack makes $9O Plus $10 Easy Ordering st delivery Postage Handling send phone VISA MasterCard Number AH DESIGNS BI OLD WORKSHOPS FFORDDDERWEN CLWYD UK 2YR B&P Associates Gives Total Fligbt Line FREEDOM battery needs call write B&P Associates PO Box 22054 Waco TX 76702-2054 817662-5587 new electric s arter battery pack cuts cord has always tied starter power panel Discover freedom being able start plane wherever added safety less wire get caught prop charge hefty 4 Amp/hour pack will take through weekend flying power enough spare dont stop have NiCads virtually size imaginable cut experimenter free design whatever takes make yours best setup f field Adjustable side frames free-flow ventilation Extremely light weight added comfort Blocks harmful ultraviolet radiation Attractive case included Wraparound frame fits comfortably over prescription glasses mist coated scratch resistance Made entirely Polycarbonate impact protection ANSI Z871 specifications Available in Clear shop work S1325 Amber overcast days & late afternoons S1455 Gray S14~ & Mirror S19~ sunny days CA Mask S15~ Paint Mask S2O~ member club hit prop blade thrown 60 engine close range lip blade struck Safety Plus glasses saved him serious iniury possibly loss eye incident convinced everyone should wear safety glasses near model airplane engines being run upEd Saul Secretary Treasurer Pikes Peak RC Club 2 I See hobby dealer first inin If doesnt have what need order direct SAFETY PLUS PO Box 1173 Dept iM Clinton MS 39056 Ph 601 924-9640 Shipping & handling included lisa MasterCard accepted July 1988 33 Scale 0 % Scale Tel 0745-53987 PILOT GLASSES. HOW VALUABLE IS YOUR EYESIGHT WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC