Radio Control Sport Aerobatics Ron Van Putte STANDING corrected received long distance call Bob Hunt Flying Models magazine pointed out couple errors caption picture Dean Pappas Maya aircraft May column first error identifying Maya having all-balsa construction Bob claims major parts airplane cored styro foam covered balsa should know because did styrofoam work Dean second error identifying radio Futaba PCM actually flies JR PCM Now look closely picture hes right Futaba PCM wont lie flat pavement way Deans radio picture does Sorry Ive quIte few requests lately fliers interested get started Pattern competition Since started col umn 1975 Yoicks Has long Ive discussed philosophy Pattern flying several times apparently its time again Pattern flying discussion can broken down three areas tools tech niques practice tools mean airplane engine radio accessories other words things need get job Pattern flying done Techniques include way aircraft built set up Practice obvious have own way going about times past Ive told Pattern beginners field way col umn dont need latest Patternplane design get started fact sophisticated designs around probably good aircraft choose Sophistication often means complication does have payoff beginning Pattern fliers What needed aircraft capable performing Novice Sports man class maneuvers well hands competent flier must 60-size airplane because fly pattern better smaller cousins What recommend Super Kaos 60 design has around long time has proven its ability fly Novice Sportsman patterns well Its cheap uncomplicated Great Planes people have maintained Joe Bridis high standards quality control Its fine product Get good engine dont break bank get top-of-the-line engine super engines fine fliers need sub stantial vertical performance Novice Sportsman classes dont have requirement Get engine reputation good power reliability pick onethere lot around Now what about retracts Well arent allowed Novice unless used permitted Sportsman worth Retracts complication Retracts fail will louse up otherwise good flight Retracts work reliably make rolls look better improve appearance airplane its airborne have doubts about ability install retracts properly dont mess can good job installing retracts Obviously Im going tell you need expensive radio can buy Baloney What need reliable radio enough channels get job done beginning Pattern fliers radio theyve using already will just fine us wouldnt have gone near radio dual rates control mixers reversing switches few years ago wondering ever got along However truth Novice Sportsman class pattern sched ules dont require anything simple radio can afford servo reversing fine Buy it makes radio installation easier neater covers important tools Pattern flying next topIc techniques good Pattern airplane must built true Guard against warps building flat surfaces using jigs lot measuring make sure alignments correct Straight fuselages wings tails fly much better warped twisted counterparts Spend some time getting airplane true good job installing ailerons elevators Don Lowes new Phoenixe L isa new design forTurnaround Pattern Should new Pattern flierconsider itas hisflrst competition airpiane Does beginning Pattern fiier need sophisticated airplane like Dean Kraus Omega R has tuned pipe retractable landing gear detachable belly pan Ron Van Putte addresses subject column month its good food thought newcomers 44 Model Aviation instailing retractable landing gear complicated difficult task Are beginning Pattern fliers ready Photo John Kenny rudders Make sure move freely have minimum gap between adjacent wing tail surfaces radio installation extremely impor tant pushrods must move control sur faces freely positively should straight possible preclude control surface blowback during maneuvers Try move rudder elevator ailerons hands can move hands thats bad news Any sloppiness should fixed airplane will have poor trim characteristics Limit control throws what re quired perform Pattern maneuvers plus about 50% Excessive control throws will result airplane jumpy difficult fly smoothly keys Pattern flying developing smoothness proper control throws will go long way toward making airplane fly better Limit amount nose gear steering direction corrections dur ing takeoff wont end up zig-zag motion Everyone aware practIce makes perfect However recommend beginning Pattern fliers seek aid qualified observer critique fliers performance wrong kind practice wont ingrain bad habit fliers unaware performing maneuver improperly An observer can point out what flier doing wrong guide him profitable practice After judge just another observer flier must perform maneuvers please judges Practice lot long time during single flying session After five six flights fliers dont have sufficient con centration continue fruitful practice Concentrate maneuvers difficult Doing easy ones may help ego wont improve overall pattern Most people find Pattern flying eji joyablebut after theyve gone trouble making sure ready compete However saying goes best laid plans oft go astray following will show PerIodIcally publish items have ap peared club newsletters around country AMA HQ sends big envelope full month However next item wasnt sent AMA because published own club news letter Bulletin Eglin Aero Modellers BEAM edited Bob Hanson also club president Bob turns out best newsletters Ive ever read enthusiasm talent infectious has received un solicited contributions club membersan unheard-of situation club newsletter editors following contributed Dave Mittler April BEAM Blgahot Model Builder Heres bigshot airplane builder busy workshop See builds Color him intense builds care precision much fussing details See books shelf properly baptized balsa dust speak arcana like airfoils vortex form-drag glue See builder spends hours attending angles inci dence thrust line center gravity Sweat him sands sands fills sands primes sands fills sands down down through finer yet finer coats sandpaper Ah Continued page 135 2541 NE 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT 9 Munson RoadMUtOrCgd RACU MODEL SUPPLY Bethany CT 96525VISA Flight-Proven Designs2O3393Dealers Invited NEW PAC KAT 43 221ls lbs 25-Powered Sport Flyer 38 Inlroductory Price NEW Flremaster Ripe 56 611s7 lbs 60-Powered 69s IntroductOry Price Cessna 150 25-Powered 5053550 plus $250 UPS Cherokee 113 ScaleI Cessna 150 40-Powered 62All Balsa Construction 5-6 lbs Contest-Proven- 1 2 3 PlaceMooney 40-Powered 62Scale-Like Appearance Stow-Flying Capabilities Ken BarnesiEasy Constructios 10-15 hra Stable Pliers plus $8110 Cherokee 40-Powered 60*4955 ea plus $250 UPS PAC MOOEL 50w utters yass truly Ready-asia ttaisa Macall Truly Ready-re-Fly Only IS minutes tram shipping boats NOWflying field hans is sloe stab sad rudder fa fuselage cher5e baseries sad GO FLYINGI Chasne tram thres besic AVAILABLE 5018 calera iwbite Yaflom ar Orangel end add manakate trim desired choice af sur NIGH-WINO TRAINAIR 20 Sr sur PAC KAT LOW-WINO Ian Syar madels hand built American-Made sad assembled Pleas came FOUR CHANNEL AIRTRONICS RADIO FOUR SERVOS 25 05 RIC ENGINE eli installed covered Speed time field READYinstead basemesl TO FLYIIIALL THIS FOR THE SPECIAL LOw PRICE OF ONLY 5The PAC KAT else availeble Nandlin5 UPS coapes addbanel San yrur losS roObv shay Sr ruder dirac crunolerely framed pe kit 1 OO Fox 25 SPECIFICATIONS BORE680 STROKE880 DISPLACEMENT25 RPM 9-4 prop12000 WEIGHT6oz FUEL CONSUMPTION4 oz/mjn Light Powerful Big 25 light 19s packs power some 29s superb performer Fox 25 has market long enough thoroughly tried tested Its American made features MKX-type carburetor Order#Style 12500Fox 25 Bushing CL 22500Fox 25 Bushing RC Iw/muttler Cost $4995 $6995 Fox Manulatturlag Company 5305 Towson Avenue/Fort Smith AR 72001/1501646-1656 Dave Robelen5s Playmate Festured April50 POacwsns5s 3 Chennela 50 Sport-Fun Fly 25 cycle Fast assembly elI hand cut kin -US OR Pronto 45span09-25 2-4 cycle annel Easily converted electrIc ner can setup challenge expert hand cut kit$3955 Super50Spsn15-2S Pronto2- 4 cycle annel Same excellent qualities Shawls acrobatic ailerons$4995 Square Shooter a 46 span sq 26-45 2- 4 cycle nl Can customized suit taste pure hot rod rear exhaust tuned pipe docile very aerobatic Sunday Flyer 25 -40 Easy no build hand cut kit $5996 Available dealer order dfrect Add $200 shipping additional $200 COD save COD send check money order 'l IVA Res add 4% esles taal TIDEWATER HOBBY ENTERPRISES Box 241D [j~ROUt2nexa Virginia 23089 804-966-5092 July1986 45 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 l5X6r 8- $70018x6 810 0 22x8 10 $1800 14x6 16x6 8 $80020x6 8 10 0 AddLSlzesAvaltableSoon screw pressure would bleed away through tiny space between thread root tube used fine-thread screws inserted fulllength screw head sealed against tube end cut off exactly square 900 Another myth proved wrong pressure build up some mufflers homemade great enough push screw partly out tube pressure leaks away varying amounts variation fuel flow thereby introduced can cause sagging enginea condition can differ between flights worse screw has sometimes blown completely out tube end hot day tube soft Remedy use larger-diameter screw plug though easily inserted removed saves lot unnecessary needle valve tweeking before flight philosophy needle valve has set forget fact some most-often-flown models dont have convenient access needle valve setting changes look reason elsewhere fuel system plugged filter example Scale documentation source have drawings articles Scale modelers prod ucts Robert C Morrison past 50 years Repla-Tech International catalog lists sort information modelers seek Scale documentation new 1986 catalog No 1 aircraft includes three-view drawings acrobatic aircraft Reno racers civil military aircraft drawings Morrison Karl strom Donaldson Carter Aviation News Hirsch raceplane drawings MAP scale draw ings England complete line Koku-Fan drawings Japan Also listed Scale flying model plans Morrison MAP line plans England Part II catalog lists color documentation photos Repla-Tech collection photo packs Scale Model Research Bob Banka also long list blackand-white photos late raceplanes Golden Age raceplanes Golden Age commercial mili tary civil private aircraft special section lists color photos taken 1985 Reno races Unlimited-class racers well T-6 Texan class Formula class worth $3 catalog just know what avail able Roberts address Repla-Tech Interna tional 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 45 fifteenth coat primer now working way down grades jewelers rouge last several coats rubs off inside cats ear Now model sits resplendently impeccable smoother babys bottom radio installed skill comes years cold nights spent cell bately garage Pushrods straight true Servos mounted properly Battery receiver lovingly encased foam arrives flying field has flown airplanes veteran weather perfect wind just right engine starts easily gentle firm touch upon needle valve settles excellent running mixture Frequency-pin hand ribbons gaily flying antenna man steps new plane through pits toward flight line con descending envious glances behind him calm trembles neither doth quake hours labor have come fruiting consummation moment truth hand looks left looks right No landing runway clear airplane released insouciance beyond years taxis out turns about lets rest last long moment upon mother earth beautiful palpably strains fly Now rolling Faster yet faster engine fairly sings little lines around corners eyes begotten years flying models against sunny sky gently lifts runway thumbs sensuous upon sticks airborne flies flies solidly straight Now see bank gently See bank more Good heavens fool rolling thing 10 feet off deck Look roll roll roll down down thenWHAAAAP Several moments later Yeti way up Himalayas feel ground go umph under big feet still quiet wreckage retrieved studied guess what Somewhere birds will singing somewhere hearts may well light hero hooked up ailerons back wards thats fact wise man once commended notion having friend look airplane over before flies first time sober friend given late-night social rambles suffering confounded brain caused too much airplane-rubbing insides cats ears Humble pie may good moral fiber dunno about sure wont bring back smashed airplane course Ive never done anything like thanks anyway Dave Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Electrics/Kopski Continued page 49 motors latter case cooling accom plished ground before recharging battery removal using small blow er positioned air intake scoop Its amaz ing very quickly some moving air can reduce pack temperature Several minutes takes Whatever way choose go battery cooling sure go noway Hot packs must cooled before safe effective charging can done battery often expensive part power system capable hundreds flights charges discharges proper carewhich cludes among other things cooling-beforecharging task heated packs informa tion some useful photographs covering general subject area can found earlier issues Model Aviation October December 1983 January September No vember 1984 February March July 1985 Basic electricity Believe still some straggler topics remaining ongoing discussion analog moving-needle multime ters Id like wrap up before con tinuing topic digital multimeters DMMsContinued page 138 DIA PITCH 634 7283 3* 4 56 833&3/44568 8*4566* 94 566* 7 7* 104 5 6 6W 6* 7 8W 106EW II 4 6 7 7* 7* 7&3/4 8 11 6EW 11* 67 12 4W 5 5W 6 13 56 14 56 15 56 16 678 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PYLON RACING 7SN SiN 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wide biide EW ExtFa wide PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $849 $299 $389 $489 $689 $989 $279 $289 $289 H Nalyaw SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX July1986 135 OUR INVENTORY AVERAGES OVER 8000 PROPS! SPECIAL PRO SERIES
Edition: Model Aviation - 1986/07
Page Numbers: 44, 45, 135
Radio Control Sport Aerobatics Ron Van Putte STANDING corrected received long distance call Bob Hunt Flying Models magazine pointed out couple errors caption picture Dean Pappas Maya aircraft May column first error identifying Maya having all-balsa construction Bob claims major parts airplane cored styro foam covered balsa should know because did styrofoam work Dean second error identifying radio Futaba PCM actually flies JR PCM Now look closely picture hes right Futaba PCM wont lie flat pavement way Deans radio picture does Sorry Ive quIte few requests lately fliers interested get started Pattern competition Since started col umn 1975 Yoicks Has long Ive discussed philosophy Pattern flying several times apparently its time again Pattern flying discussion can broken down three areas tools tech niques practice tools mean airplane engine radio accessories other words things need get job Pattern flying done Techniques include way aircraft built set up Practice obvious have own way going about times past Ive told Pattern beginners field way col umn dont need latest Patternplane design get started fact sophisticated designs around probably good aircraft choose Sophistication often means complication does have payoff beginning Pattern fliers What needed aircraft capable performing Novice Sports man class maneuvers well hands competent flier must 60-size airplane because fly pattern better smaller cousins What recommend Super Kaos 60 design has around long time has proven its ability fly Novice Sportsman patterns well Its cheap uncomplicated Great Planes people have maintained Joe Bridis high standards quality control Its fine product Get good engine dont break bank get top-of-the-line engine super engines fine fliers need sub stantial vertical performance Novice Sportsman classes dont have requirement Get engine reputation good power reliability pick onethere lot around Now what about retracts Well arent allowed Novice unless used permitted Sportsman worth Retracts complication Retracts fail will louse up otherwise good flight Retracts work reliably make rolls look better improve appearance airplane its airborne have doubts about ability install retracts properly dont mess can good job installing retracts Obviously Im going tell you need expensive radio can buy Baloney What need reliable radio enough channels get job done beginning Pattern fliers radio theyve using already will just fine us wouldnt have gone near radio dual rates control mixers reversing switches few years ago wondering ever got along However truth Novice Sportsman class pattern sched ules dont require anything simple radio can afford servo reversing fine Buy it makes radio installation easier neater covers important tools Pattern flying next topIc techniques good Pattern airplane must built true Guard against warps building flat surfaces using jigs lot measuring make sure alignments correct Straight fuselages wings tails fly much better warped twisted counterparts Spend some time getting airplane true good job installing ailerons elevators Don Lowes new Phoenixe L isa new design forTurnaround Pattern Should new Pattern flierconsider itas hisflrst competition airpiane Does beginning Pattern fiier need sophisticated airplane like Dean Kraus Omega R has tuned pipe retractable landing gear detachable belly pan Ron Van Putte addresses subject column month its good food thought newcomers 44 Model Aviation instailing retractable landing gear complicated difficult task Are beginning Pattern fliers ready Photo John Kenny rudders Make sure move freely have minimum gap between adjacent wing tail surfaces radio installation extremely impor tant pushrods must move control sur faces freely positively should straight possible preclude control surface blowback during maneuvers Try move rudder elevator ailerons hands can move hands thats bad news Any sloppiness should fixed airplane will have poor trim characteristics Limit control throws what re quired perform Pattern maneuvers plus about 50% Excessive control throws will result airplane jumpy difficult fly smoothly keys Pattern flying developing smoothness proper control throws will go long way toward making airplane fly better Limit amount nose gear steering direction corrections dur ing takeoff wont end up zig-zag motion Everyone aware practIce makes perfect However recommend beginning Pattern fliers seek aid qualified observer critique fliers performance wrong kind practice wont ingrain bad habit fliers unaware performing maneuver improperly An observer can point out what flier doing wrong guide him profitable practice After judge just another observer flier must perform maneuvers please judges Practice lot long time during single flying session After five six flights fliers dont have sufficient con centration continue fruitful practice Concentrate maneuvers difficult Doing easy ones may help ego wont improve overall pattern Most people find Pattern flying eji joyablebut after theyve gone trouble making sure ready compete However saying goes best laid plans oft go astray following will show PerIodIcally publish items have ap peared club newsletters around country AMA HQ sends big envelope full month However next item wasnt sent AMA because published own club news letter Bulletin Eglin Aero Modellers BEAM edited Bob Hanson also club president Bob turns out best newsletters Ive ever read enthusiasm talent infectious has received un solicited contributions club membersan unheard-of situation club newsletter editors following contributed Dave Mittler April BEAM Blgahot Model Builder Heres bigshot airplane builder busy workshop See builds Color him intense builds care precision much fussing details See books shelf properly baptized balsa dust speak arcana like airfoils vortex form-drag glue See builder spends hours attending angles inci dence thrust line center gravity Sweat him sands sands fills sands primes sands fills sands down down through finer yet finer coats sandpaper Ah Continued page 135 2541 NE 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT 9 Munson RoadMUtOrCgd RACU MODEL SUPPLY Bethany CT 96525VISA Flight-Proven Designs2O3393Dealers Invited NEW PAC KAT 43 221ls lbs 25-Powered Sport Flyer 38 Inlroductory Price NEW Flremaster Ripe 56 611s7 lbs 60-Powered 69s IntroductOry Price Cessna 150 25-Powered 5053550 plus $250 UPS Cherokee 113 ScaleI Cessna 150 40-Powered 62All Balsa Construction 5-6 lbs Contest-Proven- 1 2 3 PlaceMooney 40-Powered 62Scale-Like Appearance Stow-Flying Capabilities Ken BarnesiEasy Constructios 10-15 hra Stable Pliers plus $8110 Cherokee 40-Powered 60*4955 ea plus $250 UPS PAC MOOEL 50w utters yass truly Ready-asia ttaisa Macall Truly Ready-re-Fly Only IS minutes tram shipping boats NOWflying field hans is sloe stab sad rudder fa fuselage cher5e baseries sad GO FLYINGI Chasne tram thres besic AVAILABLE 5018 calera iwbite Yaflom ar Orangel end add manakate trim desired choice af sur NIGH-WINO TRAINAIR 20 Sr sur PAC KAT LOW-WINO Ian Syar madels hand built American-Made sad assembled Pleas came FOUR CHANNEL AIRTRONICS RADIO FOUR SERVOS 25 05 RIC ENGINE eli installed covered Speed time field READYinstead basemesl TO FLYIIIALL THIS FOR THE SPECIAL LOw PRICE OF ONLY 5The PAC KAT else availeble Nandlin5 UPS coapes addbanel San yrur losS roObv shay Sr ruder dirac crunolerely framed pe kit 1 OO Fox 25 SPECIFICATIONS BORE680 STROKE880 DISPLACEMENT25 RPM 9-4 prop12000 WEIGHT6oz FUEL CONSUMPTION4 oz/mjn Light Powerful Big 25 light 19s packs power some 29s superb performer Fox 25 has market long enough thoroughly tried tested Its American made features MKX-type carburetor Order#Style 12500Fox 25 Bushing CL 22500Fox 25 Bushing RC Iw/muttler Cost $4995 $6995 Fox Manulatturlag Company 5305 Towson Avenue/Fort Smith AR 72001/1501646-1656 Dave Robelen5s Playmate Festured April50 POacwsns5s 3 Chennela 50 Sport-Fun Fly 25 cycle Fast assembly elI hand cut kin -US OR Pronto 45span09-25 2-4 cycle annel Easily converted electrIc ner can setup challenge expert hand cut kit$3955 Super50Spsn15-2S Pronto2- 4 cycle annel Same excellent qualities Shawls acrobatic ailerons$4995 Square Shooter a 46 span sq 26-45 2- 4 cycle nl Can customized suit taste pure hot rod rear exhaust tuned pipe docile very aerobatic Sunday Flyer 25 -40 Easy no build hand cut kit $5996 Available dealer order dfrect Add $200 shipping additional $200 COD save COD send check money order 'l IVA Res add 4% esles taal TIDEWATER HOBBY ENTERPRISES Box 241D [j~ROUt2nexa Virginia 23089 804-966-5092 July1986 45 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 l5X6r 8- $70018x6 810 0 22x8 10 $1800 14x6 16x6 8 $80020x6 8 10 0 AddLSlzesAvaltableSoon screw pressure would bleed away through tiny space between thread root tube used fine-thread screws inserted fulllength screw head sealed against tube end cut off exactly square 900 Another myth proved wrong pressure build up some mufflers homemade great enough push screw partly out tube pressure leaks away varying amounts variation fuel flow thereby introduced can cause sagging enginea condition can differ between flights worse screw has sometimes blown completely out tube end hot day tube soft Remedy use larger-diameter screw plug though easily inserted removed saves lot unnecessary needle valve tweeking before flight philosophy needle valve has set forget fact some most-often-flown models dont have convenient access needle valve setting changes look reason elsewhere fuel system plugged filter example Scale documentation source have drawings articles Scale modelers prod ucts Robert C Morrison past 50 years Repla-Tech International catalog lists sort information modelers seek Scale documentation new 1986 catalog No 1 aircraft includes three-view drawings acrobatic aircraft Reno racers civil military aircraft drawings Morrison Karl strom Donaldson Carter Aviation News Hirsch raceplane drawings MAP scale draw ings England complete line Koku-Fan drawings Japan Also listed Scale flying model plans Morrison MAP line plans England Part II catalog lists color documentation photos Repla-Tech collection photo packs Scale Model Research Bob Banka also long list blackand-white photos late raceplanes Golden Age raceplanes Golden Age commercial mili tary civil private aircraft special section lists color photos taken 1985 Reno races Unlimited-class racers well T-6 Texan class Formula class worth $3 catalog just know what avail able Roberts address Repla-Tech Interna tional 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 45 fifteenth coat primer now working way down grades jewelers rouge last several coats rubs off inside cats ear Now model sits resplendently impeccable smoother babys bottom radio installed skill comes years cold nights spent cell bately garage Pushrods straight true Servos mounted properly Battery receiver lovingly encased foam arrives flying field has flown airplanes veteran weather perfect wind just right engine starts easily gentle firm touch upon needle valve settles excellent running mixture Frequency-pin hand ribbons gaily flying antenna man steps new plane through pits toward flight line con descending envious glances behind him calm trembles neither doth quake hours labor have come fruiting consummation moment truth hand looks left looks right No landing runway clear airplane released insouciance beyond years taxis out turns about lets rest last long moment upon mother earth beautiful palpably strains fly Now rolling Faster yet faster engine fairly sings little lines around corners eyes begotten years flying models against sunny sky gently lifts runway thumbs sensuous upon sticks airborne flies flies solidly straight Now see bank gently See bank more Good heavens fool rolling thing 10 feet off deck Look roll roll roll down down thenWHAAAAP Several moments later Yeti way up Himalayas feel ground go umph under big feet still quiet wreckage retrieved studied guess what Somewhere birds will singing somewhere hearts may well light hero hooked up ailerons back wards thats fact wise man once commended notion having friend look airplane over before flies first time sober friend given late-night social rambles suffering confounded brain caused too much airplane-rubbing insides cats ears Humble pie may good moral fiber dunno about sure wont bring back smashed airplane course Ive never done anything like thanks anyway Dave Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Electrics/Kopski Continued page 49 motors latter case cooling accom plished ground before recharging battery removal using small blow er positioned air intake scoop Its amaz ing very quickly some moving air can reduce pack temperature Several minutes takes Whatever way choose go battery cooling sure go noway Hot packs must cooled before safe effective charging can done battery often expensive part power system capable hundreds flights charges discharges proper carewhich cludes among other things cooling-beforecharging task heated packs informa tion some useful photographs covering general subject area can found earlier issues Model Aviation October December 1983 January September No vember 1984 February March July 1985 Basic electricity Believe still some straggler topics remaining ongoing discussion analog moving-needle multime ters Id like wrap up before con tinuing topic digital multimeters DMMsContinued page 138 DIA PITCH 634 7283 3* 4 56 833&3/44568 8*4566* 94 566* 7 7* 104 5 6 6W 6* 7 8W 106EW II 4 6 7 7* 7* 7&3/4 8 11 6EW 11* 67 12 4W 5 5W 6 13 56 14 56 15 56 16 678 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PYLON RACING 7SN SiN 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wide biide EW ExtFa wide PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $849 $299 $389 $489 $689 $989 $279 $289 $289 H Nalyaw SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX July1986 135 OUR INVENTORY AVERAGES OVER 8000 PROPS! SPECIAL PRO SERIES
Edition: Model Aviation - 1986/07
Page Numbers: 44, 45, 135
Radio Control Sport Aerobatics Ron Van Putte STANDING corrected received long distance call Bob Hunt Flying Models magazine pointed out couple errors caption picture Dean Pappas Maya aircraft May column first error identifying Maya having all-balsa construction Bob claims major parts airplane cored styro foam covered balsa should know because did styrofoam work Dean second error identifying radio Futaba PCM actually flies JR PCM Now look closely picture hes right Futaba PCM wont lie flat pavement way Deans radio picture does Sorry Ive quIte few requests lately fliers interested get started Pattern competition Since started col umn 1975 Yoicks Has long Ive discussed philosophy Pattern flying several times apparently its time again Pattern flying discussion can broken down three areas tools tech niques practice tools mean airplane engine radio accessories other words things need get job Pattern flying done Techniques include way aircraft built set up Practice obvious have own way going about times past Ive told Pattern beginners field way col umn dont need latest Patternplane design get started fact sophisticated designs around probably good aircraft choose Sophistication often means complication does have payoff beginning Pattern fliers What needed aircraft capable performing Novice Sports man class maneuvers well hands competent flier must 60-size airplane because fly pattern better smaller cousins What recommend Super Kaos 60 design has around long time has proven its ability fly Novice Sportsman patterns well Its cheap uncomplicated Great Planes people have maintained Joe Bridis high standards quality control Its fine product Get good engine dont break bank get top-of-the-line engine super engines fine fliers need sub stantial vertical performance Novice Sportsman classes dont have requirement Get engine reputation good power reliability pick onethere lot around Now what about retracts Well arent allowed Novice unless used permitted Sportsman worth Retracts complication Retracts fail will louse up otherwise good flight Retracts work reliably make rolls look better improve appearance airplane its airborne have doubts about ability install retracts properly dont mess can good job installing retracts Obviously Im going tell you need expensive radio can buy Baloney What need reliable radio enough channels get job done beginning Pattern fliers radio theyve using already will just fine us wouldnt have gone near radio dual rates control mixers reversing switches few years ago wondering ever got along However truth Novice Sportsman class pattern sched ules dont require anything simple radio can afford servo reversing fine Buy it makes radio installation easier neater covers important tools Pattern flying next topIc techniques good Pattern airplane must built true Guard against warps building flat surfaces using jigs lot measuring make sure alignments correct Straight fuselages wings tails fly much better warped twisted counterparts Spend some time getting airplane true good job installing ailerons elevators Don Lowes new Phoenixe L isa new design forTurnaround Pattern Should new Pattern flierconsider itas hisflrst competition airpiane Does beginning Pattern fiier need sophisticated airplane like Dean Kraus Omega R has tuned pipe retractable landing gear detachable belly pan Ron Van Putte addresses subject column month its good food thought newcomers 44 Model Aviation instailing retractable landing gear complicated difficult task Are beginning Pattern fliers ready Photo John Kenny rudders Make sure move freely have minimum gap between adjacent wing tail surfaces radio installation extremely impor tant pushrods must move control sur faces freely positively should straight possible preclude control surface blowback during maneuvers Try move rudder elevator ailerons hands can move hands thats bad news Any sloppiness should fixed airplane will have poor trim characteristics Limit control throws what re quired perform Pattern maneuvers plus about 50% Excessive control throws will result airplane jumpy difficult fly smoothly keys Pattern flying developing smoothness proper control throws will go long way toward making airplane fly better Limit amount nose gear steering direction corrections dur ing takeoff wont end up zig-zag motion Everyone aware practIce makes perfect However recommend beginning Pattern fliers seek aid qualified observer critique fliers performance wrong kind practice wont ingrain bad habit fliers unaware performing maneuver improperly An observer can point out what flier doing wrong guide him profitable practice After judge just another observer flier must perform maneuvers please judges Practice lot long time during single flying session After five six flights fliers dont have sufficient con centration continue fruitful practice Concentrate maneuvers difficult Doing easy ones may help ego wont improve overall pattern Most people find Pattern flying eji joyablebut after theyve gone trouble making sure ready compete However saying goes best laid plans oft go astray following will show PerIodIcally publish items have ap peared club newsletters around country AMA HQ sends big envelope full month However next item wasnt sent AMA because published own club news letter Bulletin Eglin Aero Modellers BEAM edited Bob Hanson also club president Bob turns out best newsletters Ive ever read enthusiasm talent infectious has received un solicited contributions club membersan unheard-of situation club newsletter editors following contributed Dave Mittler April BEAM Blgahot Model Builder Heres bigshot airplane builder busy workshop See builds Color him intense builds care precision much fussing details See books shelf properly baptized balsa dust speak arcana like airfoils vortex form-drag glue See builder spends hours attending angles inci dence thrust line center gravity Sweat him sands sands fills sands primes sands fills sands down down through finer yet finer coats sandpaper Ah Continued page 135 2541 NE 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT 9 Munson RoadMUtOrCgd RACU MODEL SUPPLY Bethany CT 96525VISA Flight-Proven Designs2O3393Dealers Invited NEW PAC KAT 43 221ls lbs 25-Powered Sport Flyer 38 Inlroductory Price NEW Flremaster Ripe 56 611s7 lbs 60-Powered 69s IntroductOry Price Cessna 150 25-Powered 5053550 plus $250 UPS Cherokee 113 ScaleI Cessna 150 40-Powered 62All Balsa Construction 5-6 lbs Contest-Proven- 1 2 3 PlaceMooney 40-Powered 62Scale-Like Appearance Stow-Flying Capabilities Ken BarnesiEasy Constructios 10-15 hra Stable Pliers plus $8110 Cherokee 40-Powered 60*4955 ea plus $250 UPS PAC MOOEL 50w utters yass truly Ready-asia ttaisa Macall Truly Ready-re-Fly Only IS minutes tram shipping boats NOWflying field hans is sloe stab sad rudder fa fuselage cher5e baseries sad GO FLYINGI Chasne tram thres besic AVAILABLE 5018 calera iwbite Yaflom ar Orangel end add manakate trim desired choice af sur NIGH-WINO TRAINAIR 20 Sr sur PAC KAT LOW-WINO Ian Syar madels hand built American-Made sad assembled Pleas came FOUR CHANNEL AIRTRONICS RADIO FOUR SERVOS 25 05 RIC ENGINE eli installed covered Speed time field READYinstead basemesl TO FLYIIIALL THIS FOR THE SPECIAL LOw PRICE OF ONLY 5The PAC KAT else availeble Nandlin5 UPS coapes addbanel San yrur losS roObv shay Sr ruder dirac crunolerely framed pe kit 1 OO Fox 25 SPECIFICATIONS BORE680 STROKE880 DISPLACEMENT25 RPM 9-4 prop12000 WEIGHT6oz FUEL CONSUMPTION4 oz/mjn Light Powerful Big 25 light 19s packs power some 29s superb performer Fox 25 has market long enough thoroughly tried tested Its American made features MKX-type carburetor Order#Style 12500Fox 25 Bushing CL 22500Fox 25 Bushing RC Iw/muttler Cost $4995 $6995 Fox Manulatturlag Company 5305 Towson Avenue/Fort Smith AR 72001/1501646-1656 Dave Robelen5s Playmate Festured April50 POacwsns5s 3 Chennela 50 Sport-Fun Fly 25 cycle Fast assembly elI hand cut kin -US OR Pronto 45span09-25 2-4 cycle annel Easily converted electrIc ner can setup challenge expert hand cut kit$3955 Super50Spsn15-2S Pronto2- 4 cycle annel Same excellent qualities Shawls acrobatic ailerons$4995 Square Shooter a 46 span sq 26-45 2- 4 cycle nl Can customized suit taste pure hot rod rear exhaust tuned pipe docile very aerobatic Sunday Flyer 25 -40 Easy no build hand cut kit $5996 Available dealer order dfrect Add $200 shipping additional $200 COD save COD send check money order 'l IVA Res add 4% esles taal TIDEWATER HOBBY ENTERPRISES Box 241D [j~ROUt2nexa Virginia 23089 804-966-5092 July1986 45 DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 l5X6r 8- $70018x6 810 0 22x8 10 $1800 14x6 16x6 8 $80020x6 8 10 0 AddLSlzesAvaltableSoon screw pressure would bleed away through tiny space between thread root tube used fine-thread screws inserted fulllength screw head sealed against tube end cut off exactly square 900 Another myth proved wrong pressure build up some mufflers homemade great enough push screw partly out tube pressure leaks away varying amounts variation fuel flow thereby introduced can cause sagging enginea condition can differ between flights worse screw has sometimes blown completely out tube end hot day tube soft Remedy use larger-diameter screw plug though easily inserted removed saves lot unnecessary needle valve tweeking before flight philosophy needle valve has set forget fact some most-often-flown models dont have convenient access needle valve setting changes look reason elsewhere fuel system plugged filter example Scale documentation source have drawings articles Scale modelers prod ucts Robert C Morrison past 50 years Repla-Tech International catalog lists sort information modelers seek Scale documentation new 1986 catalog No 1 aircraft includes three-view drawings acrobatic aircraft Reno racers civil military aircraft drawings Morrison Karl strom Donaldson Carter Aviation News Hirsch raceplane drawings MAP scale draw ings England complete line Koku-Fan drawings Japan Also listed Scale flying model plans Morrison MAP line plans England Part II catalog lists color documentation photos Repla-Tech collection photo packs Scale Model Research Bob Banka also long list blackand-white photos late raceplanes Golden Age raceplanes Golden Age commercial mili tary civil private aircraft special section lists color photos taken 1985 Reno races Unlimited-class racers well T-6 Texan class Formula class worth $3 catalog just know what avail able Roberts address Repla-Tech Interna tional 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte Continued page 45 fifteenth coat primer now working way down grades jewelers rouge last several coats rubs off inside cats ear Now model sits resplendently impeccable smoother babys bottom radio installed skill comes years cold nights spent cell bately garage Pushrods straight true Servos mounted properly Battery receiver lovingly encased foam arrives flying field has flown airplanes veteran weather perfect wind just right engine starts easily gentle firm touch upon needle valve settles excellent running mixture Frequency-pin hand ribbons gaily flying antenna man steps new plane through pits toward flight line con descending envious glances behind him calm trembles neither doth quake hours labor have come fruiting consummation moment truth hand looks left looks right No landing runway clear airplane released insouciance beyond years taxis out turns about lets rest last long moment upon mother earth beautiful palpably strains fly Now rolling Faster yet faster engine fairly sings little lines around corners eyes begotten years flying models against sunny sky gently lifts runway thumbs sensuous upon sticks airborne flies flies solidly straight Now see bank gently See bank more Good heavens fool rolling thing 10 feet off deck Look roll roll roll down down thenWHAAAAP Several moments later Yeti way up Himalayas feel ground go umph under big feet still quiet wreckage retrieved studied guess what Somewhere birds will singing somewhere hearts may well light hero hooked up ailerons back wards thats fact wise man once commended notion having friend look airplane over before flies first time sober friend given late-night social rambles suffering confounded brain caused too much airplane-rubbing insides cats ears Humble pie may good moral fiber dunno about sure wont bring back smashed airplane course Ive never done anything like thanks anyway Dave Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Electrics/Kopski Continued page 49 motors latter case cooling accom plished ground before recharging battery removal using small blow er positioned air intake scoop Its amaz ing very quickly some moving air can reduce pack temperature Several minutes takes Whatever way choose go battery cooling sure go noway Hot packs must cooled before safe effective charging can done battery often expensive part power system capable hundreds flights charges discharges proper carewhich cludes among other things cooling-beforecharging task heated packs informa tion some useful photographs covering general subject area can found earlier issues Model Aviation October December 1983 January September No vember 1984 February March July 1985 Basic electricity Believe still some straggler topics remaining ongoing discussion analog moving-needle multime ters Id like wrap up before con tinuing topic digital multimeters DMMsContinued page 138 DIA PITCH 634 7283 3* 4 56 833&3/44568 8*4566* 94 566* 7 7* 104 5 6 6W 6* 7 8W 106EW II 4 6 7 7* 7* 7&3/4 8 11 6EW 11* 67 12 4W 5 5W 6 13 56 14 56 15 56 16 678 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PYLON RACING 7SN SiN 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wide biide EW ExtFa wide PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $849 $299 $389 $489 $689 $989 $279 $289 $289 H Nalyaw SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX July1986 135 OUR INVENTORY AVERAGES OVER 8000 PROPS! SPECIAL PRO SERIES