George Myers LETS TALK about exponential control call XPO Much has spoken writ ten about XPO Youve seen control vs stick curves take peek end column now should able stop talking about theory get down some real practical experiences end Ive spent last two months testing peoples reactions XPO results TEST NO 1 added pushbutton thesideof Ace RC Silver Seven transmitter controlled modeXPO LIN normal linear con trolof control response couldnt tell looking control mode use set up Aquila sailplane maximum possible control throws aft CG resulted very sensitive-flying plane took rig four different flying fields Long Island NY asked volun teer pilots guest pilot handed box after glider up trimmed level flight asked stand plane wingtip pull through tight est possible turn concentrate difficult get back slow level flight As soon accomplished asked repeat exercise opposite direc tion pushed mode-switch button asked two steep turns re coveries plane still air asked report differences preferences point put guest pilot stressful situation very unusual box hands unfamiliar difficult airplane sky friends watching nutty performance no time deliberately learn sys tem become comfortable cases no idea what up would land plane Eighteen guest pilots participated skills ranging beginner expert think put first flight situa tion test Result All pilots preferred XPO Does tell something TEST NO 2 Along came Bob Aberle foam MRC Eagle evaluate Flying Models magazine rudder/elevator airplane intended beginners Bob using Ace Silver Seven transmitter control also features XPO/LIN switching tried both control modes got some interested bystand ers try result agreed Eagle very easy plane fly excellent absolute beginner XPO made nicer 20 Model Aviation Overkill Bob Aberle tests RTF Eagle Kraft Signaturewith XPO Ernest J Zahner member Long Island Silent Fliers represents guest pilots willingly participated testing experience Ernests flying Don Dewey-designed Centurion 2-stick Logic trol did little prepare him Georges test package feet Lou Stauchs Liberty Sport showed bipes great XP0 TEST NO3 Lou Stauchs Liberty Sport biplane next very stable flight set up control throws such wide extremes plane would snap roll spin like Pitts found XPO control acted like automatic dual-rate switching plane flew very steady manner level flight landing long used half control stick range used plane became very aerobatic XPO good biplanes TEST NO 4 point wanted something strange test Tom Hunts FSX strangest thing could think ofa canard little wings front elevators con trol surfaces wings flaps aile rons elevators fin fixed tabs correct nose-down pitch force created pod-mounted engine matched Ace S7 receiver went flying first flight used XPO pitch roll Tom decided wanted LIN pitch Thats what used second flight couldnt complete flight test program Tom reported XPO real help controlling rocking tendencies herent long-bodylshort-span design really different test turned Ron Farkas ducted-fan Tommycat delta-winged airplane powered K&B 35 tuned pipe guided Kraft Signature system two control surfaces move 17i same direction pitch control elevators opposition roll aile rons dictated Vantec mixer air plane very quick roll somewhat slow loop Krafts dual-rate capability used give half much aileron elevator throw Ron uses LIN elevator XPO ailerons give best possible control characteristics really like XPO Tom mycat says Ron reached conclu sion after flying linear control four different mixers two mechanical two electrical using both single-stick dualstick transmitters Racing pilots want strong control respons 1mm Myers loves AIU land elevator switching es around pylons gentle responses tween minimize hunting loaned Novak receiver Ace transmitter Ron Farkas control Kraft servos Quickee 500 Ron found takeoffs im proved pylon turns unchanged straight away flying much smoother son Timothy No 66 came same conclusions flying Airtronics XL-equipped Q500 noticed Tim doing lot good-looking inverted flying rig must really feel confident XPO said replied case flipped plane over re versed elevator servo transmitter switch plane stayed triml few early production XL systems 72 MHz 75 MHz defective mixer coil gave adjacent-channel interference problems writing less 150 have responded recall have Airtronics XL system 72 MHz frequencies 75640 came out warranty card return repair got blue warranty card Tim did just send card set fine Bill Wardlow manufacturer Turfmas Continued page 116 60-Size Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin Symposium held 1981 Nats Papers will published 1981 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies prac tical design engineering applied models new unusual model aircraft developments historical items Both Indoor Outdoor Free Flight modelingdevelopments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible hopefully within month after publication notice editorthis yearwould like have complete list material published December 31 1980 Cargo record August 1980 issue told Roman Ramirez broke Cargo record two-flight total 8342 oz Well did again merely once three times large margin course series 12 flights score 90 oz after three flights 92 ounces after eight flights finally 9416 oz after 11 flights Does entitle him three Certificates National Record World Champs T-shirts few still available drastically reduced price $500 ea postpaid official ones issued NFFS team members managers Order Steve Geraghty 194 Vista Del Monte Los Gatos CA 95030 Bob Meuser 4200 Gregory St Oakland CA 94619 rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81h 8 3/4 lbs Revenge can sweet Revenger. pattern design can See nearest hobby shop first win with$1 full line brochure write MODEL MERCHANT 514 E Fronton St. BmwnsvlN TX 78520 S 35 30 C K C C5 Radio Technique/Myers Continued page 21 ter retracts Sonic Systems line RC goodies has flying Q500 Air tronics XL Bill reports XPO definitely superior pylon racing Continued page 120 Zo 5/0 50 es-eo IA l4ese -tesA XPO #na/zhes L/Alrn A/udra/ asd no75 %PO less 77jA0d 7O4 L4V / ese-yes6e--e else 7Aos7 / XPC1e/s e~94asi / 2/tV Ii-ei Wdrk/e1 siS / -- __ / / / / 7 7 0/0/S20 C STICK VISPLA CEMCA/7- Oe-re 116 Model Aviation REVENGER Pattern Designed Dick Russ OS MAX 61 FSR 8 delivered Exhaust Same Price Call 408-274-1915 RAC Products 3200 Knightswood way San Jose CA 95148 CUSTOM TUNED ENGINES COMPETITION CCESSORIES Special GY 014 X 60 solid lines $295 ppd Custom needle valves racing wheels quick fills fuel shut-o ffs & others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 Laguna Hills Calif 92653 Ph t7 14 830-5162 BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND S SIZES OF TANKS RHOWN ENGINES COMPLETE CATALOG $1 00 HARD TO FIND ACCESSORIES KISS AND FLANS FOR RURBER POWERED MODELS PHONE 714 469R675 Peck-Pelynuers W BOX 2498-AM LA MESA CALIF 92041 QUICK N EASY PATTE RN-PLANS % Can Cut & Assembled Evening 11Stand-up Flight Box $398 Send SELECT- A- PRODUCTS 550 E Lincoln Pomona Calif 91767 TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjJ Tools etc Legs Removable 21 x 12 x 39 NO MORE SORE BACKS OR KNEES! 416 Pages 8/sxll inches e 52 Photos Full Color 622 Black White Photos 109 Full Page Drawings Elegant Paper-Sewn Hard Cover Binding $3000 Plus $100 Postage California residents add 6% sales tax @ $180 Free Brochure SUMMARY Now Ive sold XPO can get friends loaned equip ment would able show see L-R top-bottom Ace RC Silver Seven kit option available Bob Aberles K raft Signature factory-built option Tom Connollys Royal Classic fac tory-built option Nick Zirolis Royal Omega kit option except LIN Tims Airtronics XL factory-built XPO/LIN six reversing switches span control XPQ may others available both foreign domestic Look around As can see features will vary XPO doesnt change way plane flies changes way perceive its responses control inputs general should find plane seems little less sensitive around neutral stick position setting up plane first flight XPO move pushrod hole control horn closer hinge will compensate XPO effect give more-or-less normal feel can change later after have some experience feel need fail make adjustment wont like XPO fact its very likely will scare yourself plane will feel dead unresponsive because youve got adjusted wrong Keep letters coming George M Myers 70 Froehljch Farm Road Hicksville NY 11801 Bookj documents challenge Free Flight compendium brings taste excitement view craftsmanship sense beauty Free Flight Aeromodelling D FREE FLF PRESS 7513 Sausalito Ave Canoga Park California 91307 Telephone 213 340-1704 THE ULTIMATE TEST least feel about XPO flying own models XPO defi nite help used pitch roll control Heliboy expected cause Im still beginner helicopter business Im subject fits overcon trol XPO ailerons Curare helps harmonize controls LIN thing else word harmonize mean make controls feel alike plane heavily damped pitch yaw roll XPO takes care difference U FF Sport-Scale/Warner Continued page 50 subject no has courage try yet something middle compro mise flies well has just enough difficulty make interesting Pat Daily stepping down editor DC Maxecuters newsletter Max-Fax received very nice token appreciation long worthy stint service club gave him framed D-V Albatross picture Smith sonian accompanied one-inch square fabric real D-V Flightmasters has also recently honored out standing members magnificent drawings recipients themselves done such greats Mik Mikkelson Ken Johnson Any club appreciates hard-working underpaid officers outstanding members might consider very personal much-appreciated way showing Roger Aime France comes results recent Peanut meet Flemalle Belgium Christian Frugoli Marseille took first Condor Mojave E Fillon St Raphael won second fourth Gossamer Condors Three out four top places field 50 would lead believe adoption 9-in fuselage excuse overall length has lead new problem Instead Fikes winning time now may see more MacCready designs Indoor meets another dimension however that same guys winning design used win under old rules too Hmmmmmm. Campus CO-2 motor Peanuts Bill Brown has Campus A-23 wee wonder Out mere 40 bucks make hearts penny-pinching Peanutters jump joy Sounds like lot until price RC gear Get em local supplier direct Bill PO Box 77 Pine Grove Mills PA 16868 Two bucks extra post handling course multi-engine operation could run small fortune Prop shafts hang onto motor power runs down worth weight CGs Some people try deeper throats hook no perversion implied others try ogival bendsor complicated locking gatesto prevent tired old motor leaving its place business Theres thing about keeping centered up too would nice someone came up hookup would prevent long motors climbing up front well George Von Toot Meyers sent hook guaranteed solve problems provided course pick up few new ones psycho logical nature trying bend up Pres Bruning feared Detroitten Geschwader consented help Out snapped action knotty problem result anyone follow ing Pres diagrams cant go wrong Once little steel mandrel has couple well-done hacksaw cuts rest cinch Try collection wish books rank Sig biggies legendary PeckPolymers Catalog might add Che Hobbies 10900 Eastwood Ave Ingle wood CA 90304 Lots hard-to-come-by stuff such tiny nylon screws nitrate dope Trexler airwheels rubber balsa strippers batchtested rubber special-brew lubes well-known kits Peck Flyline Micro-X 120 Model Aviation No Measuring Needed II RC gear features XPO others
Edition: Model Aviation - 1981/01
Page Numbers: 20, 21, 116, 120
George Myers LETS TALK about exponential control call XPO Much has spoken writ ten about XPO Youve seen control vs stick curves take peek end column now should able stop talking about theory get down some real practical experiences end Ive spent last two months testing peoples reactions XPO results TEST NO 1 added pushbutton thesideof Ace RC Silver Seven transmitter controlled modeXPO LIN normal linear con trolof control response couldnt tell looking control mode use set up Aquila sailplane maximum possible control throws aft CG resulted very sensitive-flying plane took rig four different flying fields Long Island NY asked volun teer pilots guest pilot handed box after glider up trimmed level flight asked stand plane wingtip pull through tight est possible turn concentrate difficult get back slow level flight As soon accomplished asked repeat exercise opposite direc tion pushed mode-switch button asked two steep turns re coveries plane still air asked report differences preferences point put guest pilot stressful situation very unusual box hands unfamiliar difficult airplane sky friends watching nutty performance no time deliberately learn sys tem become comfortable cases no idea what up would land plane Eighteen guest pilots participated skills ranging beginner expert think put first flight situa tion test Result All pilots preferred XPO Does tell something TEST NO 2 Along came Bob Aberle foam MRC Eagle evaluate Flying Models magazine rudder/elevator airplane intended beginners Bob using Ace Silver Seven transmitter control also features XPO/LIN switching tried both control modes got some interested bystand ers try result agreed Eagle very easy plane fly excellent absolute beginner XPO made nicer 20 Model Aviation Overkill Bob Aberle tests RTF Eagle Kraft Signaturewith XPO Ernest J Zahner member Long Island Silent Fliers represents guest pilots willingly participated testing experience Ernests flying Don Dewey-designed Centurion 2-stick Logic trol did little prepare him Georges test package feet Lou Stauchs Liberty Sport showed bipes great XP0 TEST NO3 Lou Stauchs Liberty Sport biplane next very stable flight set up control throws such wide extremes plane would snap roll spin like Pitts found XPO control acted like automatic dual-rate switching plane flew very steady manner level flight landing long used half control stick range used plane became very aerobatic XPO good biplanes TEST NO 4 point wanted something strange test Tom Hunts FSX strangest thing could think ofa canard little wings front elevators con trol surfaces wings flaps aile rons elevators fin fixed tabs correct nose-down pitch force created pod-mounted engine matched Ace S7 receiver went flying first flight used XPO pitch roll Tom decided wanted LIN pitch Thats what used second flight couldnt complete flight test program Tom reported XPO real help controlling rocking tendencies herent long-bodylshort-span design really different test turned Ron Farkas ducted-fan Tommycat delta-winged airplane powered K&B 35 tuned pipe guided Kraft Signature system two control surfaces move 17i same direction pitch control elevators opposition roll aile rons dictated Vantec mixer air plane very quick roll somewhat slow loop Krafts dual-rate capability used give half much aileron elevator throw Ron uses LIN elevator XPO ailerons give best possible control characteristics really like XPO Tom mycat says Ron reached conclu sion after flying linear control four different mixers two mechanical two electrical using both single-stick dualstick transmitters Racing pilots want strong control respons 1mm Myers loves AIU land elevator switching es around pylons gentle responses tween minimize hunting loaned Novak receiver Ace transmitter Ron Farkas control Kraft servos Quickee 500 Ron found takeoffs im proved pylon turns unchanged straight away flying much smoother son Timothy No 66 came same conclusions flying Airtronics XL-equipped Q500 noticed Tim doing lot good-looking inverted flying rig must really feel confident XPO said replied case flipped plane over re versed elevator servo transmitter switch plane stayed triml few early production XL systems 72 MHz 75 MHz defective mixer coil gave adjacent-channel interference problems writing less 150 have responded recall have Airtronics XL system 72 MHz frequencies 75640 came out warranty card return repair got blue warranty card Tim did just send card set fine Bill Wardlow manufacturer Turfmas Continued page 116 60-Size Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin Symposium held 1981 Nats Papers will published 1981 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies prac tical design engineering applied models new unusual model aircraft developments historical items Both Indoor Outdoor Free Flight modelingdevelopments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible hopefully within month after publication notice editorthis yearwould like have complete list material published December 31 1980 Cargo record August 1980 issue told Roman Ramirez broke Cargo record two-flight total 8342 oz Well did again merely once three times large margin course series 12 flights score 90 oz after three flights 92 ounces after eight flights finally 9416 oz after 11 flights Does entitle him three Certificates National Record World Champs T-shirts few still available drastically reduced price $500 ea postpaid official ones issued NFFS team members managers Order Steve Geraghty 194 Vista Del Monte Los Gatos CA 95030 Bob Meuser 4200 Gregory St Oakland CA 94619 rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81h 8 3/4 lbs Revenge can sweet Revenger. pattern design can See nearest hobby shop first win with$1 full line brochure write MODEL MERCHANT 514 E Fronton St. BmwnsvlN TX 78520 S 35 30 C K C C5 Radio Technique/Myers Continued page 21 ter retracts Sonic Systems line RC goodies has flying Q500 Air tronics XL Bill reports XPO definitely superior pylon racing Continued page 120 Zo 5/0 50 es-eo IA l4ese -tesA XPO #na/zhes L/Alrn A/udra/ asd no75 %PO less 77jA0d 7O4 L4V / ese-yes6e--e else 7Aos7 / XPC1e/s e~94asi / 2/tV Ii-ei Wdrk/e1 siS / -- __ / / / / 7 7 0/0/S20 C STICK VISPLA CEMCA/7- Oe-re 116 Model Aviation REVENGER Pattern Designed Dick Russ OS MAX 61 FSR 8 delivered Exhaust Same Price Call 408-274-1915 RAC Products 3200 Knightswood way San Jose CA 95148 CUSTOM TUNED ENGINES COMPETITION CCESSORIES Special GY 014 X 60 solid lines $295 ppd Custom needle valves racing wheels quick fills fuel shut-o ffs & others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 Laguna Hills Calif 92653 Ph t7 14 830-5162 BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND S SIZES OF TANKS RHOWN ENGINES COMPLETE CATALOG $1 00 HARD TO FIND ACCESSORIES KISS AND FLANS FOR RURBER POWERED MODELS PHONE 714 469R675 Peck-Pelynuers W BOX 2498-AM LA MESA CALIF 92041 QUICK N EASY PATTE RN-PLANS % Can Cut & Assembled Evening 11Stand-up Flight Box $398 Send SELECT- A- PRODUCTS 550 E Lincoln Pomona Calif 91767 TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjJ Tools etc Legs Removable 21 x 12 x 39 NO MORE SORE BACKS OR KNEES! 416 Pages 8/sxll inches e 52 Photos Full Color 622 Black White Photos 109 Full Page Drawings Elegant Paper-Sewn Hard Cover Binding $3000 Plus $100 Postage California residents add 6% sales tax @ $180 Free Brochure SUMMARY Now Ive sold XPO can get friends loaned equip ment would able show see L-R top-bottom Ace RC Silver Seven kit option available Bob Aberles K raft Signature factory-built option Tom Connollys Royal Classic fac tory-built option Nick Zirolis Royal Omega kit option except LIN Tims Airtronics XL factory-built XPO/LIN six reversing switches span control XPQ may others available both foreign domestic Look around As can see features will vary XPO doesnt change way plane flies changes way perceive its responses control inputs general should find plane seems little less sensitive around neutral stick position setting up plane first flight XPO move pushrod hole control horn closer hinge will compensate XPO effect give more-or-less normal feel can change later after have some experience feel need fail make adjustment wont like XPO fact its very likely will scare yourself plane will feel dead unresponsive because youve got adjusted wrong Keep letters coming George M Myers 70 Froehljch Farm Road Hicksville NY 11801 Bookj documents challenge Free Flight compendium brings taste excitement view craftsmanship sense beauty Free Flight Aeromodelling D FREE FLF PRESS 7513 Sausalito Ave Canoga Park California 91307 Telephone 213 340-1704 THE ULTIMATE TEST least feel about XPO flying own models XPO defi nite help used pitch roll control Heliboy expected cause Im still beginner helicopter business Im subject fits overcon trol XPO ailerons Curare helps harmonize controls LIN thing else word harmonize mean make controls feel alike plane heavily damped pitch yaw roll XPO takes care difference U FF Sport-Scale/Warner Continued page 50 subject no has courage try yet something middle compro mise flies well has just enough difficulty make interesting Pat Daily stepping down editor DC Maxecuters newsletter Max-Fax received very nice token appreciation long worthy stint service club gave him framed D-V Albatross picture Smith sonian accompanied one-inch square fabric real D-V Flightmasters has also recently honored out standing members magnificent drawings recipients themselves done such greats Mik Mikkelson Ken Johnson Any club appreciates hard-working underpaid officers outstanding members might consider very personal much-appreciated way showing Roger Aime France comes results recent Peanut meet Flemalle Belgium Christian Frugoli Marseille took first Condor Mojave E Fillon St Raphael won second fourth Gossamer Condors Three out four top places field 50 would lead believe adoption 9-in fuselage excuse overall length has lead new problem Instead Fikes winning time now may see more MacCready designs Indoor meets another dimension however that same guys winning design used win under old rules too Hmmmmmm. Campus CO-2 motor Peanuts Bill Brown has Campus A-23 wee wonder Out mere 40 bucks make hearts penny-pinching Peanutters jump joy Sounds like lot until price RC gear Get em local supplier direct Bill PO Box 77 Pine Grove Mills PA 16868 Two bucks extra post handling course multi-engine operation could run small fortune Prop shafts hang onto motor power runs down worth weight CGs Some people try deeper throats hook no perversion implied others try ogival bendsor complicated locking gatesto prevent tired old motor leaving its place business Theres thing about keeping centered up too would nice someone came up hookup would prevent long motors climbing up front well George Von Toot Meyers sent hook guaranteed solve problems provided course pick up few new ones psycho logical nature trying bend up Pres Bruning feared Detroitten Geschwader consented help Out snapped action knotty problem result anyone follow ing Pres diagrams cant go wrong Once little steel mandrel has couple well-done hacksaw cuts rest cinch Try collection wish books rank Sig biggies legendary PeckPolymers Catalog might add Che Hobbies 10900 Eastwood Ave Ingle wood CA 90304 Lots hard-to-come-by stuff such tiny nylon screws nitrate dope Trexler airwheels rubber balsa strippers batchtested rubber special-brew lubes well-known kits Peck Flyline Micro-X 120 Model Aviation No Measuring Needed II RC gear features XPO others
Edition: Model Aviation - 1981/01
Page Numbers: 20, 21, 116, 120
George Myers LETS TALK about exponential control call XPO Much has spoken writ ten about XPO Youve seen control vs stick curves take peek end column now should able stop talking about theory get down some real practical experiences end Ive spent last two months testing peoples reactions XPO results TEST NO 1 added pushbutton thesideof Ace RC Silver Seven transmitter controlled modeXPO LIN normal linear con trolof control response couldnt tell looking control mode use set up Aquila sailplane maximum possible control throws aft CG resulted very sensitive-flying plane took rig four different flying fields Long Island NY asked volun teer pilots guest pilot handed box after glider up trimmed level flight asked stand plane wingtip pull through tight est possible turn concentrate difficult get back slow level flight As soon accomplished asked repeat exercise opposite direc tion pushed mode-switch button asked two steep turns re coveries plane still air asked report differences preferences point put guest pilot stressful situation very unusual box hands unfamiliar difficult airplane sky friends watching nutty performance no time deliberately learn sys tem become comfortable cases no idea what up would land plane Eighteen guest pilots participated skills ranging beginner expert think put first flight situa tion test Result All pilots preferred XPO Does tell something TEST NO 2 Along came Bob Aberle foam MRC Eagle evaluate Flying Models magazine rudder/elevator airplane intended beginners Bob using Ace Silver Seven transmitter control also features XPO/LIN switching tried both control modes got some interested bystand ers try result agreed Eagle very easy plane fly excellent absolute beginner XPO made nicer 20 Model Aviation Overkill Bob Aberle tests RTF Eagle Kraft Signaturewith XPO Ernest J Zahner member Long Island Silent Fliers represents guest pilots willingly participated testing experience Ernests flying Don Dewey-designed Centurion 2-stick Logic trol did little prepare him Georges test package feet Lou Stauchs Liberty Sport showed bipes great XP0 TEST NO3 Lou Stauchs Liberty Sport biplane next very stable flight set up control throws such wide extremes plane would snap roll spin like Pitts found XPO control acted like automatic dual-rate switching plane flew very steady manner level flight landing long used half control stick range used plane became very aerobatic XPO good biplanes TEST NO 4 point wanted something strange test Tom Hunts FSX strangest thing could think ofa canard little wings front elevators con trol surfaces wings flaps aile rons elevators fin fixed tabs correct nose-down pitch force created pod-mounted engine matched Ace S7 receiver went flying first flight used XPO pitch roll Tom decided wanted LIN pitch Thats what used second flight couldnt complete flight test program Tom reported XPO real help controlling rocking tendencies herent long-bodylshort-span design really different test turned Ron Farkas ducted-fan Tommycat delta-winged airplane powered K&B 35 tuned pipe guided Kraft Signature system two control surfaces move 17i same direction pitch control elevators opposition roll aile rons dictated Vantec mixer air plane very quick roll somewhat slow loop Krafts dual-rate capability used give half much aileron elevator throw Ron uses LIN elevator XPO ailerons give best possible control characteristics really like XPO Tom mycat says Ron reached conclu sion after flying linear control four different mixers two mechanical two electrical using both single-stick dualstick transmitters Racing pilots want strong control respons 1mm Myers loves AIU land elevator switching es around pylons gentle responses tween minimize hunting loaned Novak receiver Ace transmitter Ron Farkas control Kraft servos Quickee 500 Ron found takeoffs im proved pylon turns unchanged straight away flying much smoother son Timothy No 66 came same conclusions flying Airtronics XL-equipped Q500 noticed Tim doing lot good-looking inverted flying rig must really feel confident XPO said replied case flipped plane over re versed elevator servo transmitter switch plane stayed triml few early production XL systems 72 MHz 75 MHz defective mixer coil gave adjacent-channel interference problems writing less 150 have responded recall have Airtronics XL system 72 MHz frequencies 75640 came out warranty card return repair got blue warranty card Tim did just send card set fine Bill Wardlow manufacturer Turfmas Continued page 116 60-Size Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin Symposium held 1981 Nats Papers will published 1981 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies prac tical design engineering applied models new unusual model aircraft developments historical items Both Indoor Outdoor Free Flight modelingdevelopments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible hopefully within month after publication notice editorthis yearwould like have complete list material published December 31 1980 Cargo record August 1980 issue told Roman Ramirez broke Cargo record two-flight total 8342 oz Well did again merely once three times large margin course series 12 flights score 90 oz after three flights 92 ounces after eight flights finally 9416 oz after 11 flights Does entitle him three Certificates National Record World Champs T-shirts few still available drastically reduced price $500 ea postpaid official ones issued NFFS team members managers Order Steve Geraghty 194 Vista Del Monte Los Gatos CA 95030 Bob Meuser 4200 Gregory St Oakland CA 94619 rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81h 8 3/4 lbs Revenge can sweet Revenger. pattern design can See nearest hobby shop first win with$1 full line brochure write MODEL MERCHANT 514 E Fronton St. BmwnsvlN TX 78520 S 35 30 C K C C5 Radio Technique/Myers Continued page 21 ter retracts Sonic Systems line RC goodies has flying Q500 Air tronics XL Bill reports XPO definitely superior pylon racing Continued page 120 Zo 5/0 50 es-eo IA l4ese -tesA XPO #na/zhes L/Alrn A/udra/ asd no75 %PO less 77jA0d 7O4 L4V / ese-yes6e--e else 7Aos7 / XPC1e/s e~94asi / 2/tV Ii-ei Wdrk/e1 siS / -- __ / / / / 7 7 0/0/S20 C STICK VISPLA CEMCA/7- Oe-re 116 Model Aviation REVENGER Pattern Designed Dick Russ OS MAX 61 FSR 8 delivered Exhaust Same Price Call 408-274-1915 RAC Products 3200 Knightswood way San Jose CA 95148 CUSTOM TUNED ENGINES COMPETITION CCESSORIES Special GY 014 X 60 solid lines $295 ppd Custom needle valves racing wheels quick fills fuel shut-o ffs & others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 Laguna Hills Calif 92653 Ph t7 14 830-5162 BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND S SIZES OF TANKS RHOWN ENGINES COMPLETE CATALOG $1 00 HARD TO FIND ACCESSORIES KISS AND FLANS FOR RURBER POWERED MODELS PHONE 714 469R675 Peck-Pelynuers W BOX 2498-AM LA MESA CALIF 92041 QUICK N EASY PATTE RN-PLANS % Can Cut & Assembled Evening 11Stand-up Flight Box $398 Send SELECT- A- PRODUCTS 550 E Lincoln Pomona Calif 91767 TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjJ Tools etc Legs Removable 21 x 12 x 39 NO MORE SORE BACKS OR KNEES! 416 Pages 8/sxll inches e 52 Photos Full Color 622 Black White Photos 109 Full Page Drawings Elegant Paper-Sewn Hard Cover Binding $3000 Plus $100 Postage California residents add 6% sales tax @ $180 Free Brochure SUMMARY Now Ive sold XPO can get friends loaned equip ment would able show see L-R top-bottom Ace RC Silver Seven kit option available Bob Aberles K raft Signature factory-built option Tom Connollys Royal Classic fac tory-built option Nick Zirolis Royal Omega kit option except LIN Tims Airtronics XL factory-built XPO/LIN six reversing switches span control XPQ may others available both foreign domestic Look around As can see features will vary XPO doesnt change way plane flies changes way perceive its responses control inputs general should find plane seems little less sensitive around neutral stick position setting up plane first flight XPO move pushrod hole control horn closer hinge will compensate XPO effect give more-or-less normal feel can change later after have some experience feel need fail make adjustment wont like XPO fact its very likely will scare yourself plane will feel dead unresponsive because youve got adjusted wrong Keep letters coming George M Myers 70 Froehljch Farm Road Hicksville NY 11801 Bookj documents challenge Free Flight compendium brings taste excitement view craftsmanship sense beauty Free Flight Aeromodelling D FREE FLF PRESS 7513 Sausalito Ave Canoga Park California 91307 Telephone 213 340-1704 THE ULTIMATE TEST least feel about XPO flying own models XPO defi nite help used pitch roll control Heliboy expected cause Im still beginner helicopter business Im subject fits overcon trol XPO ailerons Curare helps harmonize controls LIN thing else word harmonize mean make controls feel alike plane heavily damped pitch yaw roll XPO takes care difference U FF Sport-Scale/Warner Continued page 50 subject no has courage try yet something middle compro mise flies well has just enough difficulty make interesting Pat Daily stepping down editor DC Maxecuters newsletter Max-Fax received very nice token appreciation long worthy stint service club gave him framed D-V Albatross picture Smith sonian accompanied one-inch square fabric real D-V Flightmasters has also recently honored out standing members magnificent drawings recipients themselves done such greats Mik Mikkelson Ken Johnson Any club appreciates hard-working underpaid officers outstanding members might consider very personal much-appreciated way showing Roger Aime France comes results recent Peanut meet Flemalle Belgium Christian Frugoli Marseille took first Condor Mojave E Fillon St Raphael won second fourth Gossamer Condors Three out four top places field 50 would lead believe adoption 9-in fuselage excuse overall length has lead new problem Instead Fikes winning time now may see more MacCready designs Indoor meets another dimension however that same guys winning design used win under old rules too Hmmmmmm. Campus CO-2 motor Peanuts Bill Brown has Campus A-23 wee wonder Out mere 40 bucks make hearts penny-pinching Peanutters jump joy Sounds like lot until price RC gear Get em local supplier direct Bill PO Box 77 Pine Grove Mills PA 16868 Two bucks extra post handling course multi-engine operation could run small fortune Prop shafts hang onto motor power runs down worth weight CGs Some people try deeper throats hook no perversion implied others try ogival bendsor complicated locking gatesto prevent tired old motor leaving its place business Theres thing about keeping centered up too would nice someone came up hookup would prevent long motors climbing up front well George Von Toot Meyers sent hook guaranteed solve problems provided course pick up few new ones psycho logical nature trying bend up Pres Bruning feared Detroitten Geschwader consented help Out snapped action knotty problem result anyone follow ing Pres diagrams cant go wrong Once little steel mandrel has couple well-done hacksaw cuts rest cinch Try collection wish books rank Sig biggies legendary PeckPolymers Catalog might add Che Hobbies 10900 Eastwood Ave Ingle wood CA 90304 Lots hard-to-come-by stuff such tiny nylon screws nitrate dope Trexler airwheels rubber balsa strippers batchtested rubber special-brew lubes well-known kits Peck Flyline Micro-X 120 Model Aviation No Measuring Needed II RC gear features XPO others
Edition: Model Aviation - 1981/01
Page Numbers: 20, 21, 116, 120
George Myers LETS TALK about exponential control call XPO Much has spoken writ ten about XPO Youve seen control vs stick curves take peek end column now should able stop talking about theory get down some real practical experiences end Ive spent last two months testing peoples reactions XPO results TEST NO 1 added pushbutton thesideof Ace RC Silver Seven transmitter controlled modeXPO LIN normal linear con trolof control response couldnt tell looking control mode use set up Aquila sailplane maximum possible control throws aft CG resulted very sensitive-flying plane took rig four different flying fields Long Island NY asked volun teer pilots guest pilot handed box after glider up trimmed level flight asked stand plane wingtip pull through tight est possible turn concentrate difficult get back slow level flight As soon accomplished asked repeat exercise opposite direc tion pushed mode-switch button asked two steep turns re coveries plane still air asked report differences preferences point put guest pilot stressful situation very unusual box hands unfamiliar difficult airplane sky friends watching nutty performance no time deliberately learn sys tem become comfortable cases no idea what up would land plane Eighteen guest pilots participated skills ranging beginner expert think put first flight situa tion test Result All pilots preferred XPO Does tell something TEST NO 2 Along came Bob Aberle foam MRC Eagle evaluate Flying Models magazine rudder/elevator airplane intended beginners Bob using Ace Silver Seven transmitter control also features XPO/LIN switching tried both control modes got some interested bystand ers try result agreed Eagle very easy plane fly excellent absolute beginner XPO made nicer 20 Model Aviation Overkill Bob Aberle tests RTF Eagle Kraft Signaturewith XPO Ernest J Zahner member Long Island Silent Fliers represents guest pilots willingly participated testing experience Ernests flying Don Dewey-designed Centurion 2-stick Logic trol did little prepare him Georges test package feet Lou Stauchs Liberty Sport showed bipes great XP0 TEST NO3 Lou Stauchs Liberty Sport biplane next very stable flight set up control throws such wide extremes plane would snap roll spin like Pitts found XPO control acted like automatic dual-rate switching plane flew very steady manner level flight landing long used half control stick range used plane became very aerobatic XPO good biplanes TEST NO 4 point wanted something strange test Tom Hunts FSX strangest thing could think ofa canard little wings front elevators con trol surfaces wings flaps aile rons elevators fin fixed tabs correct nose-down pitch force created pod-mounted engine matched Ace S7 receiver went flying first flight used XPO pitch roll Tom decided wanted LIN pitch Thats what used second flight couldnt complete flight test program Tom reported XPO real help controlling rocking tendencies herent long-bodylshort-span design really different test turned Ron Farkas ducted-fan Tommycat delta-winged airplane powered K&B 35 tuned pipe guided Kraft Signature system two control surfaces move 17i same direction pitch control elevators opposition roll aile rons dictated Vantec mixer air plane very quick roll somewhat slow loop Krafts dual-rate capability used give half much aileron elevator throw Ron uses LIN elevator XPO ailerons give best possible control characteristics really like XPO Tom mycat says Ron reached conclu sion after flying linear control four different mixers two mechanical two electrical using both single-stick dualstick transmitters Racing pilots want strong control respons 1mm Myers loves AIU land elevator switching es around pylons gentle responses tween minimize hunting loaned Novak receiver Ace transmitter Ron Farkas control Kraft servos Quickee 500 Ron found takeoffs im proved pylon turns unchanged straight away flying much smoother son Timothy No 66 came same conclusions flying Airtronics XL-equipped Q500 noticed Tim doing lot good-looking inverted flying rig must really feel confident XPO said replied case flipped plane over re versed elevator servo transmitter switch plane stayed triml few early production XL systems 72 MHz 75 MHz defective mixer coil gave adjacent-channel interference problems writing less 150 have responded recall have Airtronics XL system 72 MHz frequencies 75640 came out warranty card return repair got blue warranty card Tim did just send card set fine Bill Wardlow manufacturer Turfmas Continued page 116 60-Size Revenge can sweet new Revenger pattern design can win 65-inch span laminar-flow wing 700 square-inch area helps perform AMA-FAI man euvers new kind smooth ness can read about May 1978 RC Modeler Revenger comes highly prefabricated balsa fuselage assembled sanded Foam wing panels stabilizer presheeted sanded vertical fin Symposium held 1981 Nats Papers will published 1981 Symposium volume whether author able present paper personally Nats Papers should cover some aspect science art Free Flight models including technical studies prac tical design engineering applied models new unusual model aircraft developments historical items Both Indoor Outdoor Free Flight modelingdevelopments included Please send proposed papers Jim Bennett 324 Helfenstein Ave St Louis MO 63119 Send title proposed paper together abstract 200 words or complete paper available Abstracts should submitted soon possible hopefully within month after publication notice editorthis yearwould like have complete list material published December 31 1980 Cargo record August 1980 issue told Roman Ramirez broke Cargo record two-flight total 8342 oz Well did again merely once three times large margin course series 12 flights score 90 oz after three flights 92 ounces after eight flights finally 9416 oz after 11 flights Does entitle him three Certificates National Record World Champs T-shirts few still available drastically reduced price $500 ea postpaid official ones issued NFFS team members managers Order Steve Geraghty 194 Vista Del Monte Los Gatos CA 95030 Bob Meuser 4200 Gregory St Oakland CA 94619 rudder presanded shape contest quality balsa Just join wing panels stab add vertical fin Install retracts engine radio mounts cover paint youre ready complete Total weight 81h 8 3/4 lbs Revenge can sweet Revenger. pattern design can See nearest hobby shop first win with$1 full line brochure write MODEL MERCHANT 514 E Fronton St. BmwnsvlN TX 78520 S 35 30 C K C C5 Radio Technique/Myers Continued page 21 ter retracts Sonic Systems line RC goodies has flying Q500 Air tronics XL Bill reports XPO definitely superior pylon racing Continued page 120 Zo 5/0 50 es-eo IA l4ese -tesA XPO #na/zhes L/Alrn A/udra/ asd no75 %PO less 77jA0d 7O4 L4V / ese-yes6e--e else 7Aos7 / XPC1e/s e~94asi / 2/tV Ii-ei Wdrk/e1 siS / -- __ / / / / 7 7 0/0/S20 C STICK VISPLA CEMCA/7- Oe-re 116 Model Aviation REVENGER Pattern Designed Dick Russ OS MAX 61 FSR 8 delivered Exhaust Same Price Call 408-274-1915 RAC Products 3200 Knightswood way San Jose CA 95148 CUSTOM TUNED ENGINES COMPETITION CCESSORIES Special GY 014 X 60 solid lines $295 ppd Custom needle valves racing wheels quick fills fuel shut-o ffs & others detailed brochure send 25 cents Kustom Kraftsmanship Box 2699 Laguna Hills Calif 92653 Ph t7 14 830-5162 BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND S SIZES OF TANKS RHOWN ENGINES COMPLETE CATALOG $1 00 HARD TO FIND ACCESSORIES KISS AND FLANS FOR RURBER POWERED MODELS PHONE 714 469R675 Peck-Pelynuers W BOX 2498-AM LA MESA CALIF 92041 QUICK N EASY PATTE RN-PLANS % Can Cut & Assembled Evening 11Stand-up Flight Box $398 Send SELECT- A- PRODUCTS 550 E Lincoln Pomona Calif 91767 TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjJ Tools etc Legs Removable 21 x 12 x 39 NO MORE SORE BACKS OR KNEES! 416 Pages 8/sxll inches e 52 Photos Full Color 622 Black White Photos 109 Full Page Drawings Elegant Paper-Sewn Hard Cover Binding $3000 Plus $100 Postage California residents add 6% sales tax @ $180 Free Brochure SUMMARY Now Ive sold XPO can get friends loaned equip ment would able show see L-R top-bottom Ace RC Silver Seven kit option available Bob Aberles K raft Signature factory-built option Tom Connollys Royal Classic fac tory-built option Nick Zirolis Royal Omega kit option except LIN Tims Airtronics XL factory-built XPO/LIN six reversing switches span control XPQ may others available both foreign domestic Look around As can see features will vary XPO doesnt change way plane flies changes way perceive its responses control inputs general should find plane seems little less sensitive around neutral stick position setting up plane first flight XPO move pushrod hole control horn closer hinge will compensate XPO effect give more-or-less normal feel can change later after have some experience feel need fail make adjustment wont like XPO fact its very likely will scare yourself plane will feel dead unresponsive because youve got adjusted wrong Keep letters coming George M Myers 70 Froehljch Farm Road Hicksville NY 11801 Bookj documents challenge Free Flight compendium brings taste excitement view craftsmanship sense beauty Free Flight Aeromodelling D FREE FLF PRESS 7513 Sausalito Ave Canoga Park California 91307 Telephone 213 340-1704 THE ULTIMATE TEST least feel about XPO flying own models XPO defi nite help used pitch roll control Heliboy expected cause Im still beginner helicopter business Im subject fits overcon trol XPO ailerons Curare helps harmonize controls LIN thing else word harmonize mean make controls feel alike plane heavily damped pitch yaw roll XPO takes care difference U FF Sport-Scale/Warner Continued page 50 subject no has courage try yet something middle compro mise flies well has just enough difficulty make interesting Pat Daily stepping down editor DC Maxecuters newsletter Max-Fax received very nice token appreciation long worthy stint service club gave him framed D-V Albatross picture Smith sonian accompanied one-inch square fabric real D-V Flightmasters has also recently honored out standing members magnificent drawings recipients themselves done such greats Mik Mikkelson Ken Johnson Any club appreciates hard-working underpaid officers outstanding members might consider very personal much-appreciated way showing Roger Aime France comes results recent Peanut meet Flemalle Belgium Christian Frugoli Marseille took first Condor Mojave E Fillon St Raphael won second fourth Gossamer Condors Three out four top places field 50 would lead believe adoption 9-in fuselage excuse overall length has lead new problem Instead Fikes winning time now may see more MacCready designs Indoor meets another dimension however that same guys winning design used win under old rules too Hmmmmmm. Campus CO-2 motor Peanuts Bill Brown has Campus A-23 wee wonder Out mere 40 bucks make hearts penny-pinching Peanutters jump joy Sounds like lot until price RC gear Get em local supplier direct Bill PO Box 77 Pine Grove Mills PA 16868 Two bucks extra post handling course multi-engine operation could run small fortune Prop shafts hang onto motor power runs down worth weight CGs Some people try deeper throats hook no perversion implied others try ogival bendsor complicated locking gatesto prevent tired old motor leaving its place business Theres thing about keeping centered up too would nice someone came up hookup would prevent long motors climbing up front well George Von Toot Meyers sent hook guaranteed solve problems provided course pick up few new ones psycho logical nature trying bend up Pres Bruning feared Detroitten Geschwader consented help Out snapped action knotty problem result anyone follow ing Pres diagrams cant go wrong Once little steel mandrel has couple well-done hacksaw cuts rest cinch Try collection wish books rank Sig biggies legendary PeckPolymers Catalog might add Che Hobbies 10900 Eastwood Ave Ingle wood CA 90304 Lots hard-to-come-by stuff such tiny nylon screws nitrate dope Trexler airwheels rubber balsa strippers batchtested rubber special-brew lubes well-known kits Peck Flyline Micro-X 120 Model Aviation No Measuring Needed II RC gear features XPO others