Bif isget7 Sa4p designs literally fly themselves hands-off perform ance Learn relaxed thrill flying RIC lying back Build WE Plan n Pattern Sets ACE/RULER 40 40 WIng 049 toGS Engines RCFF-11 ACE/RULER 54 RCFF-9 6 54 Wing 15 35 Engines ACE/RULER 94 iRCFF-9 6 94 Wing 79 26 Engines Fastest Climbing FF Ever SKY BUGGY 32 32 Wings 049 12 Engines RCFF-14 SKY BUGGY 42 RCFF-12 5 42 Wings 29 65 Engines SKY BUGGY 74 RCFF-10 63 74 Wings 78 26 Engines Amphibious Flying Best Two Worlds SEA KITTEN 51 Wing 049 12 Engines RCFF-16 SEACATiRCFF-13 *1996/ ing 15 40 Engines SEA LIONRCFF-16 6 102 Wing 75 26 Engines Based Henry Struck originsi Best ot Stunt Trainers Can Fly Themselves MINI HOG 48 048 12 Engines RCT-3 ASTRO HOG 94 RCT-1 94 Wing 15 40 Engines MIGHTY HOG 94 RCT-2 5 94 Wing 79 26 Engines Friendly Giant SUPER BUCCANEER 98 iRCFF-1 6 85WIng 35 78 Engines Smaller Version Super-Buccaneer SUPER BUCCANEER 66 66 Wing 15 29 Engines 4 6 Easy-to-Build Clip-Wing High Climber BUCCANEER STANDARD 66 Wing 36 60 Engines RCFF-6 Classic Beauty SNOW WHITE 68 RCFF-7 6 U Wing 19 40 Engines Soaring Beauty CUSTOM CAVALIER 79 79 Wing 12 36 Engines RCFF-6 6 Two-Meter Powered Soarer -The Very Best SINBAD 79 79 Wing 049to 12 Engines RCG-1 The Original AMA F/F Trainer Great Electric-Power Too SUPER BRIGADIER 44 ing 03 toGS Engines RCFF-3 SUPER BRIGADIER 66 IRCFF-2 N Wing 15 40 Engines 65 Ifflagar Fesediag Maai&ar AMA IUPS Hall ef Fuse Prices complete plans sub-assemblies detailed perle lIst Add $200 lee mailing tube Send tee aiechure Free Flight & Scale lans including Giant Scale Send 0100 its re/undable first order WE TECHNICAL SERVICES P 0 Box 76884-A At/anta GA 30328 Letters Editor letters will carefully considered general interest used Send Mod el AvIation 1810 Samuel Morse Dr Reston VA 22090 Disgrace cover February 1986 issue disgrace serious modelers labeling headline-type letters flying mon strosity wheels fuselage nearequal diameter split-axle gear trans parent fuselage Fokker DVIII ridiculous also object inference such 7-ft flying buzz saws scorching around skies six-year-olds controls Please relegate cutesy pictures interior pages use something like beautiful models pages 81 82 83 84 really boost model airplanes model fliers Harlan Tegt Belliugham WA author/designer/photographer construction article cover picture referred Mr Tegt James E Gilgen bach responds follows Fokker DVIII cover February 1986 issue intentionally built fusellage cross section non-scale however because features dimen sions full-size aircraft used extensively model design felt would act plagiarism refer model Fokker DVIII sympathize Mr Tegts quest fidelity-to-scale too have labored hours building true-to-scale aircraft good example SPAD XIII took close 1 OOO hours completebut after placing well several Scale contests retired old bird because following 1 large fuselage cross section scale landing gear created very high angle attack rest making takeoffs landings extremely nerve-racking 2 scale landing gear interplane would catch non-scale grass flying fields cause model flip over usually resulting appreciable dam age 3 scale camouflage paint scheme vulnerable hangar rash aforementioned accidents resulting fre quent time-consuming repairs vast majority modelers will subject themselves unique form Continued page 10 SPECIAL PRO SERIES DIA 6 7 81 9 10 10 11 11 Iii 12 13 14 15 16 PITCH 3 4 28 331456 3 3&3/4 4 5 6 8 4 56 61 7 4 56 61 7 71 4 5 6 6W* 61 7 8W 6EW 4 6 7 71 71 7&3/4 8 6EW 6 7 4W 5 5W 6 56 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 12661 7 718 136 7 718 146 7 718 1567 16678 PRICE $149 $179 $189 $1 99 $L99 $309 $219 $L29 $239 $L39 $279 $3-59 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N SIN 8&3/461 6&3/4 7 ii 7&3/4 97 71 7&3/4 W WkIe bwIe EW Extra wide $279 $289 $289 N Narrow ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ADD $100 IF YOU WANT INSURED MAIL ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INOWRIES INVITED SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS HARD-TO-FIND ITEMS SUCH AS CUSTOM NEEDLE VALVES RACING WHEELS QUICK FILLS SOLID CONTROL LINES ETC SOCIETY OF ANTIQUE MODELERS MA TERIALS CARBON FIBER COIL 5 CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES 8 Model Aviation AJH INVNIUHY ii VERA GES OVER 8000 PROPS! EWE Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500 $400 savings off regular price ad copy must accompany order S M L XL mbia Light safety sleeves polyester 35% combed cotton easy care ogo back lor embroidered patch front Top Jacket . Wear proudly order stnd ad return address quantity sizes $1 500* per jacket no cash please Top Elite FLITE MODELS INC 1903 N Narragansett Ave Dept Chicago Illinois 60639 Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit smallPlus $2 S & H elect sc boat batteriesSpecify 612 24V HEAVY DUTY MODEL $4995 sport winch large boat Plus $2 SOS & H electric power charging batteries Specify 6 1 2V CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SASE o coma Deve nqu es n ed RC System NiCd Batteries chargers need age cycler prevent memory Tester ito find bad cells Ouiclr charger 12 4 hours Trickle charger sale level Field Fast charger both Rx TX Portable charger input 1 20V 1 2V Multiple charger up 3 Tv 5 Rv Completely Automatic STANDARD MODEL *179 Fits4SVtteandg eVlvpacksPlus$5S&H Others available write call OneSpeed Dremel Tool Full variable-speed operation Retains on-ott switch inside case$ 9 Model 270or 280 only Plus $1 hOS & H I WHEELS CONTROL-UNEFREE-FLIGHT C VINTAGESMOOTHGOLDEN AGENEW sizes2hzCONTOURsizes 21/iBALLOON 343/s3424"3/ 131314133/u21/24hz 11443/i114311/4 43/i31454 PA5Ph 4hzPA 5334 17/6S/82145141/i614 CYLINDERS ENGINE KITS SCALE PILOTS MACHINE GUN KITS PLASTIC DISPLAY MODELS masochism want model can cormfortably fly take home store next flying session repairs being required Resem blance full-scale aircraft just icing cake am lucky enough have family supports becomes involved hob feel beneficial promote fact other modelers families Further having human cover model helps establish models relative size James E Gilgenbach Fond du Lac WI Computer Program Analysis Comparison Aircraft Designs Thanks article January 1986 issue did renew interest sons Commodore 64 home computer Un fortunately after two long nights onefinger typing keyboard remem bered lost interest program ming AX ERROR 40 found takes twice long debug type first place Ive decided go back pencil paper calculator time beingat least until rewrite program Commodore Basic someone starts mar keting program rate great idea Im sure computer buffs have much better understanding Basic David Parker Kent WA Some folks wrote made conversions program other sys tems offer printouts diskettes modest sums have already put Mr Parker several others touch people having modYed programs printing information others may interested responding article written Dick Sarpolus Bernie Raad January issue son enjoyed article have managed rewrite program Commodore 64 now have program transcribed have made some additions will make program available anyone would like will send diskette ready run listing Commodore 64 $500 persons interested will send diskette will copy program onto send listing $400 anyone wants type m program wants modification another format will send listing $200 costs cover just postage paper diskettes diskette mailers handling program copyprotected anyone wishing modify encouraged Jim Jim Brandon 15644 Grevillea Ave Lawndale CA 90260 Continued page 12 10 Model Aviation Jacket orders $250 shipping/handling Illinois residents add 6% sales tax Extra patci 00 OUH UNITS REMEMBER SCALE RADIO CONTROL JLLLW SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST. SAN MARCOS CA 9 12 Model Aviation Model Analysis Program Dick Sarpolus Bernie Raad excellent ported HP BASIC program Mi crosoft BASIC XT clone difficulty However conversion HP dialect Microsoft dialect required passing familiarity BASIC HP BASIC used authors contains several commands available Microsoft BASIC Therefore typing MAP requires user know BASIC programming have ported MAP over MS BASIC few changes original program possible have made simple possible Since people have micro computersnot minicomputersmy ver sion MAP much generic original should type BASIC run IBM-compatible computer alteration should also type Applesoft BASIC Commodore PET BASIC very few changes should also type BASIC XE Atari minor changes some people would prefer type program Lone Star Computer Co will make MAP available disk IBM MS BASIC Atari BASIC donation $250 cover cost disk shipping ma terials postage will also send program listing want type know program donation $125 Again commend Dick Bernie fine job probably first program have typed magazine completely bug-free lcok forward putting test building season approaches Stephen Risik Prop Lone Star Computer Co PO Box 882 Killeen TX 76540 Computer Talk reader Pete Donatelli Sewickley PA contacted us about errorbelievedto Computer Program Assist RC Canard Aircraft Design authored Dick Sarpolus Bernie Raad appeared June 1984 issue problem thought minus sign Line 760 should have plus sign asked Dick Sarpolus about response follows Since canard computer program ar tide published Ive gotten lot mail concerning Modelers have sent cop ies program have modified run variety computers Until Pete Donatelli picked up mistake no else done dont have computer yet depend programmer friend Bernie Raad input says mistake minus sign Line 760 should indeed plus sign reason can attribute Continued page 122 Consumers Guide Radio Control THIRD EDITION ished Oct 1 1985 Its Listed Need See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail 5*795 pIns $550 US dollars please Send Check MO Credit Cerd info Consumers Guide 150 Ott St Horrisonburg VA 22801 4340350 Products Address Charge Card No MC VISA CWflICFI MasterCard lB # _____________________ Expiration Dati PILOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWII MILITARY 1/3 Scale $19951/5 Navy $1395 1/4 Scale14951/6AAF1195 1 /5 Scale1295 Plus 1/12 Scale895$250 shipping 1/12 Chopper 895each figure KNIGHTS OF THE AIR 1400 Rte 22 West Friendship MD 21794 301-489-5050 Letters Editor Continued page 12 compiling error having gone undetected long quantity E1115/61 usually much smaller quantity L*S2/Sl As such little error pro duced used probably noticed attributed geometric variations actual model Mr Donatelli found error may have used design di mensions producing severe imbab ance So Line 760 should read PL*S2/SlE1/15/Gl apologies error must lot modelers out computers already getting mail about article Design Analysis Program Dick Sarpolus Shrewsbury NJ Safety Preston Continued page 20 stated experiencing prob lems some parts country RC cars buggies using frequencies reserved aircraft. Perhaps Davids label suggestion can help alleviate some problems FlutterAnother item mentioned last months Safety column suggestion modeler should man datory checks models prevent con trol surface flutter November 1985 issue Corsair newsletter Joint Military R/G Fliers Club editor Marlin Kinning article flutter written noted modeler Cliff Weirick benefit readers may know what flutter can model Im reproducing Cliffs article FLUTTER Most know what seem some fliers dontor dont care break flutter down two levels full blown FLUTTER very destructive force second BUZZ Buzz too very destructive force slightly dif ferent way Lets look FLUTTER first can destroy airplane quicker can blink eye can attack sur face plane its prime targets ailerons followed closely elevator rudder flutter starts matter time until surface itself leaves plane takes sur face attached case two wings elevator counts up three airplanes stunt job wing failure next two Formula Ones Another aileron wing other elevator Actu ally very famousor should say infamouscrash lot oldtimers will remember Nats Los Alamitos NAS Boy what mess Now know what flutter can lets think about BUZZ hard describe because cant hear power model unless engine dead can hear flutter loud est engines whining away Buzz tends destroy servosand ultimately plane tends ruin gears worse yet attacks feedback pot ser vo does wearing small area usually around level-flight neutral position happens wonder sometimes controls may act funny What causes buzz Primarily two things Loose control surfaces sloppy tail-heavy loose sloppy pushrods etc see control surfaces look ready fall off airplane yet pilots ignore Same way pushrods Some builders drill %2-in holes control horn use 46-in wire Thats really asking sum up check things time go out fly remem ber tight will wear out get loose Have safe moath John Preston 12235 Tildenwood Dr Rockville MD 20852 responding advertisers mention read aboutthem ModelAviation drivers fuel pumps rolled aisles over power panels gallon fuel cans transmitter tray must got hand-held units Field boxes heavy wacky high-techand prop can cost seven bucks about power panel under nose run engines fancy hinged lids prevent getting anything plane figure top wedding cake ends up ground crawling aroundeasier get ting up down like jive puppet Im back knees now cant get up Legs no legs question Bill H Greenhalgh man after own heart dont have ambition brains too suffering herd guy lives place called Wetumpka Alabama must have right stuff am another old coot Au Good name next modeL built first model airplane back 1920s Bill edifies us after 30 years Air Corps/Air Force another 10 years doingthings government heart problem came back modeling After building Sig Kadet bitten RC bug since have built several airplanes mostly scratch Being too old hands knees bit fueling starting airplanes put folding legs huge field box raise level permitted work standing position course field box/stand weighed much took two us move After building some plant stands PVC plastic pipe wife realized could have light field stand could handle easily comfort several months now have using stand shown enclosed photographs Built 1-in PVC pipe consists two ends two shelves supports airplane fastened ends bolts wing nuts permitting quicikly change fit different fuselages padding fuselage supports insulation sold PVC pipes 1 22 Model Aviation Plane Talk/Winter Continued page 37
Edition: Model Aviation - 1986/04
Page Numbers: 8, 10, 12, 122
Bif isget7 Sa4p designs literally fly themselves hands-off perform ance Learn relaxed thrill flying RIC lying back Build WE Plan n Pattern Sets ACE/RULER 40 40 WIng 049 toGS Engines RCFF-11 ACE/RULER 54 RCFF-9 6 54 Wing 15 35 Engines ACE/RULER 94 iRCFF-9 6 94 Wing 79 26 Engines Fastest Climbing FF Ever SKY BUGGY 32 32 Wings 049 12 Engines RCFF-14 SKY BUGGY 42 RCFF-12 5 42 Wings 29 65 Engines SKY BUGGY 74 RCFF-10 63 74 Wings 78 26 Engines Amphibious Flying Best Two Worlds SEA KITTEN 51 Wing 049 12 Engines RCFF-16 SEACATiRCFF-13 *1996/ ing 15 40 Engines SEA LIONRCFF-16 6 102 Wing 75 26 Engines Based Henry Struck originsi Best ot Stunt Trainers Can Fly Themselves MINI HOG 48 048 12 Engines RCT-3 ASTRO HOG 94 RCT-1 94 Wing 15 40 Engines MIGHTY HOG 94 RCT-2 5 94 Wing 79 26 Engines Friendly Giant SUPER BUCCANEER 98 iRCFF-1 6 85WIng 35 78 Engines Smaller Version Super-Buccaneer SUPER BUCCANEER 66 66 Wing 15 29 Engines 4 6 Easy-to-Build Clip-Wing High Climber BUCCANEER STANDARD 66 Wing 36 60 Engines RCFF-6 Classic Beauty SNOW WHITE 68 RCFF-7 6 U Wing 19 40 Engines Soaring Beauty CUSTOM CAVALIER 79 79 Wing 12 36 Engines RCFF-6 6 Two-Meter Powered Soarer -The Very Best SINBAD 79 79 Wing 049to 12 Engines RCG-1 The Original AMA F/F Trainer Great Electric-Power Too SUPER BRIGADIER 44 ing 03 toGS Engines RCFF-3 SUPER BRIGADIER 66 IRCFF-2 N Wing 15 40 Engines 65 Ifflagar Fesediag Maai&ar AMA IUPS Hall ef Fuse Prices complete plans sub-assemblies detailed perle lIst Add $200 lee mailing tube Send tee aiechure Free Flight & Scale lans including Giant Scale Send 0100 its re/undable first order WE TECHNICAL SERVICES P 0 Box 76884-A At/anta GA 30328 Letters Editor letters will carefully considered general interest used Send Mod el AvIation 1810 Samuel Morse Dr Reston VA 22090 Disgrace cover February 1986 issue disgrace serious modelers labeling headline-type letters flying mon strosity wheels fuselage nearequal diameter split-axle gear trans parent fuselage Fokker DVIII ridiculous also object inference such 7-ft flying buzz saws scorching around skies six-year-olds controls Please relegate cutesy pictures interior pages use something like beautiful models pages 81 82 83 84 really boost model airplanes model fliers Harlan Tegt Belliugham WA author/designer/photographer construction article cover picture referred Mr Tegt James E Gilgen bach responds follows Fokker DVIII cover February 1986 issue intentionally built fusellage cross section non-scale however because features dimen sions full-size aircraft used extensively model design felt would act plagiarism refer model Fokker DVIII sympathize Mr Tegts quest fidelity-to-scale too have labored hours building true-to-scale aircraft good example SPAD XIII took close 1 OOO hours completebut after placing well several Scale contests retired old bird because following 1 large fuselage cross section scale landing gear created very high angle attack rest making takeoffs landings extremely nerve-racking 2 scale landing gear interplane would catch non-scale grass flying fields cause model flip over usually resulting appreciable dam age 3 scale camouflage paint scheme vulnerable hangar rash aforementioned accidents resulting fre quent time-consuming repairs vast majority modelers will subject themselves unique form Continued page 10 SPECIAL PRO SERIES DIA 6 7 81 9 10 10 11 11 Iii 12 13 14 15 16 PITCH 3 4 28 331456 3 3&3/4 4 5 6 8 4 56 61 7 4 56 61 7 71 4 5 6 6W* 61 7 8W 6EW 4 6 7 71 71 7&3/4 8 6EW 6 7 4W 5 5W 6 56 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 12661 7 718 136 7 718 146 7 718 1567 16678 PRICE $149 $179 $189 $1 99 $L99 $309 $219 $L29 $239 $L39 $279 $3-59 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N SIN 8&3/461 6&3/4 7 ii 7&3/4 97 71 7&3/4 W WkIe bwIe EW Extra wide $279 $289 $289 N Narrow ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ADD $100 IF YOU WANT INSURED MAIL ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INOWRIES INVITED SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS HARD-TO-FIND ITEMS SUCH AS CUSTOM NEEDLE VALVES RACING WHEELS QUICK FILLS SOLID CONTROL LINES ETC SOCIETY OF ANTIQUE MODELERS MA TERIALS CARBON FIBER COIL 5 CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES 8 Model Aviation AJH INVNIUHY ii VERA GES OVER 8000 PROPS! EWE Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500 $400 savings off regular price ad copy must accompany order S M L XL mbia Light safety sleeves polyester 35% combed cotton easy care ogo back lor embroidered patch front Top Jacket . Wear proudly order stnd ad return address quantity sizes $1 500* per jacket no cash please Top Elite FLITE MODELS INC 1903 N Narragansett Ave Dept Chicago Illinois 60639 Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit smallPlus $2 S & H elect sc boat batteriesSpecify 612 24V HEAVY DUTY MODEL $4995 sport winch large boat Plus $2 SOS & H electric power charging batteries Specify 6 1 2V CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SASE o coma Deve nqu es n ed RC System NiCd Batteries chargers need age cycler prevent memory Tester ito find bad cells Ouiclr charger 12 4 hours Trickle charger sale level Field Fast charger both Rx TX Portable charger input 1 20V 1 2V Multiple charger up 3 Tv 5 Rv Completely Automatic STANDARD MODEL *179 Fits4SVtteandg eVlvpacksPlus$5S&H Others available write call OneSpeed Dremel Tool Full variable-speed operation Retains on-ott switch inside case$ 9 Model 270or 280 only Plus $1 hOS & H I WHEELS CONTROL-UNEFREE-FLIGHT C VINTAGESMOOTHGOLDEN AGENEW sizes2hzCONTOURsizes 21/iBALLOON 343/s3424"3/ 131314133/u21/24hz 11443/i114311/4 43/i31454 PA5Ph 4hzPA 5334 17/6S/82145141/i614 CYLINDERS ENGINE KITS SCALE PILOTS MACHINE GUN KITS PLASTIC DISPLAY MODELS masochism want model can cormfortably fly take home store next flying session repairs being required Resem blance full-scale aircraft just icing cake am lucky enough have family supports becomes involved hob feel beneficial promote fact other modelers families Further having human cover model helps establish models relative size James E Gilgenbach Fond du Lac WI Computer Program Analysis Comparison Aircraft Designs Thanks article January 1986 issue did renew interest sons Commodore 64 home computer Un fortunately after two long nights onefinger typing keyboard remem bered lost interest program ming AX ERROR 40 found takes twice long debug type first place Ive decided go back pencil paper calculator time beingat least until rewrite program Commodore Basic someone starts mar keting program rate great idea Im sure computer buffs have much better understanding Basic David Parker Kent WA Some folks wrote made conversions program other sys tems offer printouts diskettes modest sums have already put Mr Parker several others touch people having modYed programs printing information others may interested responding article written Dick Sarpolus Bernie Raad January issue son enjoyed article have managed rewrite program Commodore 64 now have program transcribed have made some additions will make program available anyone would like will send diskette ready run listing Commodore 64 $500 persons interested will send diskette will copy program onto send listing $400 anyone wants type m program wants modification another format will send listing $200 costs cover just postage paper diskettes diskette mailers handling program copyprotected anyone wishing modify encouraged Jim Jim Brandon 15644 Grevillea Ave Lawndale CA 90260 Continued page 12 10 Model Aviation Jacket orders $250 shipping/handling Illinois residents add 6% sales tax Extra patci 00 OUH UNITS REMEMBER SCALE RADIO CONTROL JLLLW SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST. SAN MARCOS CA 9 12 Model Aviation Model Analysis Program Dick Sarpolus Bernie Raad excellent ported HP BASIC program Mi crosoft BASIC XT clone difficulty However conversion HP dialect Microsoft dialect required passing familiarity BASIC HP BASIC used authors contains several commands available Microsoft BASIC Therefore typing MAP requires user know BASIC programming have ported MAP over MS BASIC few changes original program possible have made simple possible Since people have micro computersnot minicomputersmy ver sion MAP much generic original should type BASIC run IBM-compatible computer alteration should also type Applesoft BASIC Commodore PET BASIC very few changes should also type BASIC XE Atari minor changes some people would prefer type program Lone Star Computer Co will make MAP available disk IBM MS BASIC Atari BASIC donation $250 cover cost disk shipping ma terials postage will also send program listing want type know program donation $125 Again commend Dick Bernie fine job probably first program have typed magazine completely bug-free lcok forward putting test building season approaches Stephen Risik Prop Lone Star Computer Co PO Box 882 Killeen TX 76540 Computer Talk reader Pete Donatelli Sewickley PA contacted us about errorbelievedto Computer Program Assist RC Canard Aircraft Design authored Dick Sarpolus Bernie Raad appeared June 1984 issue problem thought minus sign Line 760 should have plus sign asked Dick Sarpolus about response follows Since canard computer program ar tide published Ive gotten lot mail concerning Modelers have sent cop ies program have modified run variety computers Until Pete Donatelli picked up mistake no else done dont have computer yet depend programmer friend Bernie Raad input says mistake minus sign Line 760 should indeed plus sign reason can attribute Continued page 122 Consumers Guide Radio Control THIRD EDITION ished Oct 1 1985 Its Listed Need See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail 5*795 pIns $550 US dollars please Send Check MO Credit Cerd info Consumers Guide 150 Ott St Horrisonburg VA 22801 4340350 Products Address Charge Card No MC VISA CWflICFI MasterCard lB # _____________________ Expiration Dati PILOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWII MILITARY 1/3 Scale $19951/5 Navy $1395 1/4 Scale14951/6AAF1195 1 /5 Scale1295 Plus 1/12 Scale895$250 shipping 1/12 Chopper 895each figure KNIGHTS OF THE AIR 1400 Rte 22 West Friendship MD 21794 301-489-5050 Letters Editor Continued page 12 compiling error having gone undetected long quantity E1115/61 usually much smaller quantity L*S2/Sl As such little error pro duced used probably noticed attributed geometric variations actual model Mr Donatelli found error may have used design di mensions producing severe imbab ance So Line 760 should read PL*S2/SlE1/15/Gl apologies error must lot modelers out computers already getting mail about article Design Analysis Program Dick Sarpolus Shrewsbury NJ Safety Preston Continued page 20 stated experiencing prob lems some parts country RC cars buggies using frequencies reserved aircraft. Perhaps Davids label suggestion can help alleviate some problems FlutterAnother item mentioned last months Safety column suggestion modeler should man datory checks models prevent con trol surface flutter November 1985 issue Corsair newsletter Joint Military R/G Fliers Club editor Marlin Kinning article flutter written noted modeler Cliff Weirick benefit readers may know what flutter can model Im reproducing Cliffs article FLUTTER Most know what seem some fliers dontor dont care break flutter down two levels full blown FLUTTER very destructive force second BUZZ Buzz too very destructive force slightly dif ferent way Lets look FLUTTER first can destroy airplane quicker can blink eye can attack sur face plane its prime targets ailerons followed closely elevator rudder flutter starts matter time until surface itself leaves plane takes sur face attached case two wings elevator counts up three airplanes stunt job wing failure next two Formula Ones Another aileron wing other elevator Actu ally very famousor should say infamouscrash lot oldtimers will remember Nats Los Alamitos NAS Boy what mess Now know what flutter can lets think about BUZZ hard describe because cant hear power model unless engine dead can hear flutter loud est engines whining away Buzz tends destroy servosand ultimately plane tends ruin gears worse yet attacks feedback pot ser vo does wearing small area usually around level-flight neutral position happens wonder sometimes controls may act funny What causes buzz Primarily two things Loose control surfaces sloppy tail-heavy loose sloppy pushrods etc see control surfaces look ready fall off airplane yet pilots ignore Same way pushrods Some builders drill %2-in holes control horn use 46-in wire Thats really asking sum up check things time go out fly remem ber tight will wear out get loose Have safe moath John Preston 12235 Tildenwood Dr Rockville MD 20852 responding advertisers mention read aboutthem ModelAviation drivers fuel pumps rolled aisles over power panels gallon fuel cans transmitter tray must got hand-held units Field boxes heavy wacky high-techand prop can cost seven bucks about power panel under nose run engines fancy hinged lids prevent getting anything plane figure top wedding cake ends up ground crawling aroundeasier get ting up down like jive puppet Im back knees now cant get up Legs no legs question Bill H Greenhalgh man after own heart dont have ambition brains too suffering herd guy lives place called Wetumpka Alabama must have right stuff am another old coot Au Good name next modeL built first model airplane back 1920s Bill edifies us after 30 years Air Corps/Air Force another 10 years doingthings government heart problem came back modeling After building Sig Kadet bitten RC bug since have built several airplanes mostly scratch Being too old hands knees bit fueling starting airplanes put folding legs huge field box raise level permitted work standing position course field box/stand weighed much took two us move After building some plant stands PVC plastic pipe wife realized could have light field stand could handle easily comfort several months now have using stand shown enclosed photographs Built 1-in PVC pipe consists two ends two shelves supports airplane fastened ends bolts wing nuts permitting quicikly change fit different fuselages padding fuselage supports insulation sold PVC pipes 1 22 Model Aviation Plane Talk/Winter Continued page 37
Edition: Model Aviation - 1986/04
Page Numbers: 8, 10, 12, 122
Bif isget7 Sa4p designs literally fly themselves hands-off perform ance Learn relaxed thrill flying RIC lying back Build WE Plan n Pattern Sets ACE/RULER 40 40 WIng 049 toGS Engines RCFF-11 ACE/RULER 54 RCFF-9 6 54 Wing 15 35 Engines ACE/RULER 94 iRCFF-9 6 94 Wing 79 26 Engines Fastest Climbing FF Ever SKY BUGGY 32 32 Wings 049 12 Engines RCFF-14 SKY BUGGY 42 RCFF-12 5 42 Wings 29 65 Engines SKY BUGGY 74 RCFF-10 63 74 Wings 78 26 Engines Amphibious Flying Best Two Worlds SEA KITTEN 51 Wing 049 12 Engines RCFF-16 SEACATiRCFF-13 *1996/ ing 15 40 Engines SEA LIONRCFF-16 6 102 Wing 75 26 Engines Based Henry Struck originsi Best ot Stunt Trainers Can Fly Themselves MINI HOG 48 048 12 Engines RCT-3 ASTRO HOG 94 RCT-1 94 Wing 15 40 Engines MIGHTY HOG 94 RCT-2 5 94 Wing 79 26 Engines Friendly Giant SUPER BUCCANEER 98 iRCFF-1 6 85WIng 35 78 Engines Smaller Version Super-Buccaneer SUPER BUCCANEER 66 66 Wing 15 29 Engines 4 6 Easy-to-Build Clip-Wing High Climber BUCCANEER STANDARD 66 Wing 36 60 Engines RCFF-6 Classic Beauty SNOW WHITE 68 RCFF-7 6 U Wing 19 40 Engines Soaring Beauty CUSTOM CAVALIER 79 79 Wing 12 36 Engines RCFF-6 6 Two-Meter Powered Soarer -The Very Best SINBAD 79 79 Wing 049to 12 Engines RCG-1 The Original AMA F/F Trainer Great Electric-Power Too SUPER BRIGADIER 44 ing 03 toGS Engines RCFF-3 SUPER BRIGADIER 66 IRCFF-2 N Wing 15 40 Engines 65 Ifflagar Fesediag Maai&ar AMA IUPS Hall ef Fuse Prices complete plans sub-assemblies detailed perle lIst Add $200 lee mailing tube Send tee aiechure Free Flight & Scale lans including Giant Scale Send 0100 its re/undable first order WE TECHNICAL SERVICES P 0 Box 76884-A At/anta GA 30328 Letters Editor letters will carefully considered general interest used Send Mod el AvIation 1810 Samuel Morse Dr Reston VA 22090 Disgrace cover February 1986 issue disgrace serious modelers labeling headline-type letters flying mon strosity wheels fuselage nearequal diameter split-axle gear trans parent fuselage Fokker DVIII ridiculous also object inference such 7-ft flying buzz saws scorching around skies six-year-olds controls Please relegate cutesy pictures interior pages use something like beautiful models pages 81 82 83 84 really boost model airplanes model fliers Harlan Tegt Belliugham WA author/designer/photographer construction article cover picture referred Mr Tegt James E Gilgen bach responds follows Fokker DVIII cover February 1986 issue intentionally built fusellage cross section non-scale however because features dimen sions full-size aircraft used extensively model design felt would act plagiarism refer model Fokker DVIII sympathize Mr Tegts quest fidelity-to-scale too have labored hours building true-to-scale aircraft good example SPAD XIII took close 1 OOO hours completebut after placing well several Scale contests retired old bird because following 1 large fuselage cross section scale landing gear created very high angle attack rest making takeoffs landings extremely nerve-racking 2 scale landing gear interplane would catch non-scale grass flying fields cause model flip over usually resulting appreciable dam age 3 scale camouflage paint scheme vulnerable hangar rash aforementioned accidents resulting fre quent time-consuming repairs vast majority modelers will subject themselves unique form Continued page 10 SPECIAL PRO SERIES DIA 6 7 81 9 10 10 11 11 Iii 12 13 14 15 16 PITCH 3 4 28 331456 3 3&3/4 4 5 6 8 4 56 61 7 4 56 61 7 71 4 5 6 6W* 61 7 8W 6EW 4 6 7 71 71 7&3/4 8 6EW 6 7 4W 5 5W 6 56 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 12661 7 718 136 7 718 146 7 718 1567 16678 PRICE $149 $179 $189 $1 99 $L99 $309 $219 $L29 $239 $L39 $279 $3-59 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N SIN 8&3/461 6&3/4 7 ii 7&3/4 97 71 7&3/4 W WkIe bwIe EW Extra wide $279 $289 $289 N Narrow ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ADD $100 IF YOU WANT INSURED MAIL ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INOWRIES INVITED SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS HARD-TO-FIND ITEMS SUCH AS CUSTOM NEEDLE VALVES RACING WHEELS QUICK FILLS SOLID CONTROL LINES ETC SOCIETY OF ANTIQUE MODELERS MA TERIALS CARBON FIBER COIL 5 CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES 8 Model Aviation AJH INVNIUHY ii VERA GES OVER 8000 PROPS! EWE Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500 $400 savings off regular price ad copy must accompany order S M L XL mbia Light safety sleeves polyester 35% combed cotton easy care ogo back lor embroidered patch front Top Jacket . Wear proudly order stnd ad return address quantity sizes $1 500* per jacket no cash please Top Elite FLITE MODELS INC 1903 N Narragansett Ave Dept Chicago Illinois 60639 Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit smallPlus $2 S & H elect sc boat batteriesSpecify 612 24V HEAVY DUTY MODEL $4995 sport winch large boat Plus $2 SOS & H electric power charging batteries Specify 6 1 2V CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SASE o coma Deve nqu es n ed RC System NiCd Batteries chargers need age cycler prevent memory Tester ito find bad cells Ouiclr charger 12 4 hours Trickle charger sale level Field Fast charger both Rx TX Portable charger input 1 20V 1 2V Multiple charger up 3 Tv 5 Rv Completely Automatic STANDARD MODEL *179 Fits4SVtteandg eVlvpacksPlus$5S&H Others available write call OneSpeed Dremel Tool Full variable-speed operation Retains on-ott switch inside case$ 9 Model 270or 280 only Plus $1 hOS & H I WHEELS CONTROL-UNEFREE-FLIGHT C VINTAGESMOOTHGOLDEN AGENEW sizes2hzCONTOURsizes 21/iBALLOON 343/s3424"3/ 131314133/u21/24hz 11443/i114311/4 43/i31454 PA5Ph 4hzPA 5334 17/6S/82145141/i614 CYLINDERS ENGINE KITS SCALE PILOTS MACHINE GUN KITS PLASTIC DISPLAY MODELS masochism want model can cormfortably fly take home store next flying session repairs being required Resem blance full-scale aircraft just icing cake am lucky enough have family supports becomes involved hob feel beneficial promote fact other modelers families Further having human cover model helps establish models relative size James E Gilgenbach Fond du Lac WI Computer Program Analysis Comparison Aircraft Designs Thanks article January 1986 issue did renew interest sons Commodore 64 home computer Un fortunately after two long nights onefinger typing keyboard remem bered lost interest program ming AX ERROR 40 found takes twice long debug type first place Ive decided go back pencil paper calculator time beingat least until rewrite program Commodore Basic someone starts mar keting program rate great idea Im sure computer buffs have much better understanding Basic David Parker Kent WA Some folks wrote made conversions program other sys tems offer printouts diskettes modest sums have already put Mr Parker several others touch people having modYed programs printing information others may interested responding article written Dick Sarpolus Bernie Raad January issue son enjoyed article have managed rewrite program Commodore 64 now have program transcribed have made some additions will make program available anyone would like will send diskette ready run listing Commodore 64 $500 persons interested will send diskette will copy program onto send listing $400 anyone wants type m program wants modification another format will send listing $200 costs cover just postage paper diskettes diskette mailers handling program copyprotected anyone wishing modify encouraged Jim Jim Brandon 15644 Grevillea Ave Lawndale CA 90260 Continued page 12 10 Model Aviation Jacket orders $250 shipping/handling Illinois residents add 6% sales tax Extra patci 00 OUH UNITS REMEMBER SCALE RADIO CONTROL JLLLW SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST. SAN MARCOS CA 9 12 Model Aviation Model Analysis Program Dick Sarpolus Bernie Raad excellent ported HP BASIC program Mi crosoft BASIC XT clone difficulty However conversion HP dialect Microsoft dialect required passing familiarity BASIC HP BASIC used authors contains several commands available Microsoft BASIC Therefore typing MAP requires user know BASIC programming have ported MAP over MS BASIC few changes original program possible have made simple possible Since people have micro computersnot minicomputersmy ver sion MAP much generic original should type BASIC run IBM-compatible computer alteration should also type Applesoft BASIC Commodore PET BASIC very few changes should also type BASIC XE Atari minor changes some people would prefer type program Lone Star Computer Co will make MAP available disk IBM MS BASIC Atari BASIC donation $250 cover cost disk shipping ma terials postage will also send program listing want type know program donation $125 Again commend Dick Bernie fine job probably first program have typed magazine completely bug-free lcok forward putting test building season approaches Stephen Risik Prop Lone Star Computer Co PO Box 882 Killeen TX 76540 Computer Talk reader Pete Donatelli Sewickley PA contacted us about errorbelievedto Computer Program Assist RC Canard Aircraft Design authored Dick Sarpolus Bernie Raad appeared June 1984 issue problem thought minus sign Line 760 should have plus sign asked Dick Sarpolus about response follows Since canard computer program ar tide published Ive gotten lot mail concerning Modelers have sent cop ies program have modified run variety computers Until Pete Donatelli picked up mistake no else done dont have computer yet depend programmer friend Bernie Raad input says mistake minus sign Line 760 should indeed plus sign reason can attribute Continued page 122 Consumers Guide Radio Control THIRD EDITION ished Oct 1 1985 Its Listed Need See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail 5*795 pIns $550 US dollars please Send Check MO Credit Cerd info Consumers Guide 150 Ott St Horrisonburg VA 22801 4340350 Products Address Charge Card No MC VISA CWflICFI MasterCard lB # _____________________ Expiration Dati PILOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWII MILITARY 1/3 Scale $19951/5 Navy $1395 1/4 Scale14951/6AAF1195 1 /5 Scale1295 Plus 1/12 Scale895$250 shipping 1/12 Chopper 895each figure KNIGHTS OF THE AIR 1400 Rte 22 West Friendship MD 21794 301-489-5050 Letters Editor Continued page 12 compiling error having gone undetected long quantity E1115/61 usually much smaller quantity L*S2/Sl As such little error pro duced used probably noticed attributed geometric variations actual model Mr Donatelli found error may have used design di mensions producing severe imbab ance So Line 760 should read PL*S2/SlE1/15/Gl apologies error must lot modelers out computers already getting mail about article Design Analysis Program Dick Sarpolus Shrewsbury NJ Safety Preston Continued page 20 stated experiencing prob lems some parts country RC cars buggies using frequencies reserved aircraft. Perhaps Davids label suggestion can help alleviate some problems FlutterAnother item mentioned last months Safety column suggestion modeler should man datory checks models prevent con trol surface flutter November 1985 issue Corsair newsletter Joint Military R/G Fliers Club editor Marlin Kinning article flutter written noted modeler Cliff Weirick benefit readers may know what flutter can model Im reproducing Cliffs article FLUTTER Most know what seem some fliers dontor dont care break flutter down two levels full blown FLUTTER very destructive force second BUZZ Buzz too very destructive force slightly dif ferent way Lets look FLUTTER first can destroy airplane quicker can blink eye can attack sur face plane its prime targets ailerons followed closely elevator rudder flutter starts matter time until surface itself leaves plane takes sur face attached case two wings elevator counts up three airplanes stunt job wing failure next two Formula Ones Another aileron wing other elevator Actu ally very famousor should say infamouscrash lot oldtimers will remember Nats Los Alamitos NAS Boy what mess Now know what flutter can lets think about BUZZ hard describe because cant hear power model unless engine dead can hear flutter loud est engines whining away Buzz tends destroy servosand ultimately plane tends ruin gears worse yet attacks feedback pot ser vo does wearing small area usually around level-flight neutral position happens wonder sometimes controls may act funny What causes buzz Primarily two things Loose control surfaces sloppy tail-heavy loose sloppy pushrods etc see control surfaces look ready fall off airplane yet pilots ignore Same way pushrods Some builders drill %2-in holes control horn use 46-in wire Thats really asking sum up check things time go out fly remem ber tight will wear out get loose Have safe moath John Preston 12235 Tildenwood Dr Rockville MD 20852 responding advertisers mention read aboutthem ModelAviation drivers fuel pumps rolled aisles over power panels gallon fuel cans transmitter tray must got hand-held units Field boxes heavy wacky high-techand prop can cost seven bucks about power panel under nose run engines fancy hinged lids prevent getting anything plane figure top wedding cake ends up ground crawling aroundeasier get ting up down like jive puppet Im back knees now cant get up Legs no legs question Bill H Greenhalgh man after own heart dont have ambition brains too suffering herd guy lives place called Wetumpka Alabama must have right stuff am another old coot Au Good name next modeL built first model airplane back 1920s Bill edifies us after 30 years Air Corps/Air Force another 10 years doingthings government heart problem came back modeling After building Sig Kadet bitten RC bug since have built several airplanes mostly scratch Being too old hands knees bit fueling starting airplanes put folding legs huge field box raise level permitted work standing position course field box/stand weighed much took two us move After building some plant stands PVC plastic pipe wife realized could have light field stand could handle easily comfort several months now have using stand shown enclosed photographs Built 1-in PVC pipe consists two ends two shelves supports airplane fastened ends bolts wing nuts permitting quicikly change fit different fuselages padding fuselage supports insulation sold PVC pipes 1 22 Model Aviation Plane Talk/Winter Continued page 37
Edition: Model Aviation - 1986/04
Page Numbers: 8, 10, 12, 122
Bif isget7 Sa4p designs literally fly themselves hands-off perform ance Learn relaxed thrill flying RIC lying back Build WE Plan n Pattern Sets ACE/RULER 40 40 WIng 049 toGS Engines RCFF-11 ACE/RULER 54 RCFF-9 6 54 Wing 15 35 Engines ACE/RULER 94 iRCFF-9 6 94 Wing 79 26 Engines Fastest Climbing FF Ever SKY BUGGY 32 32 Wings 049 12 Engines RCFF-14 SKY BUGGY 42 RCFF-12 5 42 Wings 29 65 Engines SKY BUGGY 74 RCFF-10 63 74 Wings 78 26 Engines Amphibious Flying Best Two Worlds SEA KITTEN 51 Wing 049 12 Engines RCFF-16 SEACATiRCFF-13 *1996/ ing 15 40 Engines SEA LIONRCFF-16 6 102 Wing 75 26 Engines Based Henry Struck originsi Best ot Stunt Trainers Can Fly Themselves MINI HOG 48 048 12 Engines RCT-3 ASTRO HOG 94 RCT-1 94 Wing 15 40 Engines MIGHTY HOG 94 RCT-2 5 94 Wing 79 26 Engines Friendly Giant SUPER BUCCANEER 98 iRCFF-1 6 85WIng 35 78 Engines Smaller Version Super-Buccaneer SUPER BUCCANEER 66 66 Wing 15 29 Engines 4 6 Easy-to-Build Clip-Wing High Climber BUCCANEER STANDARD 66 Wing 36 60 Engines RCFF-6 Classic Beauty SNOW WHITE 68 RCFF-7 6 U Wing 19 40 Engines Soaring Beauty CUSTOM CAVALIER 79 79 Wing 12 36 Engines RCFF-6 6 Two-Meter Powered Soarer -The Very Best SINBAD 79 79 Wing 049to 12 Engines RCG-1 The Original AMA F/F Trainer Great Electric-Power Too SUPER BRIGADIER 44 ing 03 toGS Engines RCFF-3 SUPER BRIGADIER 66 IRCFF-2 N Wing 15 40 Engines 65 Ifflagar Fesediag Maai&ar AMA IUPS Hall ef Fuse Prices complete plans sub-assemblies detailed perle lIst Add $200 lee mailing tube Send tee aiechure Free Flight & Scale lans including Giant Scale Send 0100 its re/undable first order WE TECHNICAL SERVICES P 0 Box 76884-A At/anta GA 30328 Letters Editor letters will carefully considered general interest used Send Mod el AvIation 1810 Samuel Morse Dr Reston VA 22090 Disgrace cover February 1986 issue disgrace serious modelers labeling headline-type letters flying mon strosity wheels fuselage nearequal diameter split-axle gear trans parent fuselage Fokker DVIII ridiculous also object inference such 7-ft flying buzz saws scorching around skies six-year-olds controls Please relegate cutesy pictures interior pages use something like beautiful models pages 81 82 83 84 really boost model airplanes model fliers Harlan Tegt Belliugham WA author/designer/photographer construction article cover picture referred Mr Tegt James E Gilgen bach responds follows Fokker DVIII cover February 1986 issue intentionally built fusellage cross section non-scale however because features dimen sions full-size aircraft used extensively model design felt would act plagiarism refer model Fokker DVIII sympathize Mr Tegts quest fidelity-to-scale too have labored hours building true-to-scale aircraft good example SPAD XIII took close 1 OOO hours completebut after placing well several Scale contests retired old bird because following 1 large fuselage cross section scale landing gear created very high angle attack rest making takeoffs landings extremely nerve-racking 2 scale landing gear interplane would catch non-scale grass flying fields cause model flip over usually resulting appreciable dam age 3 scale camouflage paint scheme vulnerable hangar rash aforementioned accidents resulting fre quent time-consuming repairs vast majority modelers will subject themselves unique form Continued page 10 SPECIAL PRO SERIES DIA 6 7 81 9 10 10 11 11 Iii 12 13 14 15 16 PITCH 3 4 28 331456 3 3&3/4 4 5 6 8 4 56 61 7 4 56 61 7 71 4 5 6 6W* 61 7 8W 6EW 4 6 7 71 71 7&3/4 8 6EW 6 7 4W 5 5W 6 56 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 12661 7 718 136 7 718 146 7 718 1567 16678 PRICE $149 $179 $189 $1 99 $L99 $309 $219 $L29 $239 $L39 $279 $3-59 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N SIN 8&3/461 6&3/4 7 ii 7&3/4 97 71 7&3/4 W WkIe bwIe EW Extra wide $279 $289 $289 N Narrow ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ADD $100 IF YOU WANT INSURED MAIL ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INOWRIES INVITED SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS HARD-TO-FIND ITEMS SUCH AS CUSTOM NEEDLE VALVES RACING WHEELS QUICK FILLS SOLID CONTROL LINES ETC SOCIETY OF ANTIQUE MODELERS MA TERIALS CARBON FIBER COIL 5 CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES 8 Model Aviation AJH INVNIUHY ii VERA GES OVER 8000 PROPS! EWE Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500 $400 savings off regular price ad copy must accompany order S M L XL mbia Light safety sleeves polyester 35% combed cotton easy care ogo back lor embroidered patch front Top Jacket . Wear proudly order stnd ad return address quantity sizes $1 500* per jacket no cash please Top Elite FLITE MODELS INC 1903 N Narragansett Ave Dept Chicago Illinois 60639 Wet Cell & Gelled Cell Batteries Completely automatic operation Connect forget Pays itself eries last two three times longer Two models fit size batteries REGULAR MODEL$3995 field kit smallPlus $2 S & H elect sc boat batteriesSpecify 612 24V HEAVY DUTY MODEL $4995 sport winch large boat Plus $2 SOS & H electric power charging batteries Specify 6 1 2V CaRa Products PO Box 221 Canton SD 57013 605-987-5924 SASE o coma Deve nqu es n ed RC System NiCd Batteries chargers need age cycler prevent memory Tester ito find bad cells Ouiclr charger 12 4 hours Trickle charger sale level Field Fast charger both Rx TX Portable charger input 1 20V 1 2V Multiple charger up 3 Tv 5 Rv Completely Automatic STANDARD MODEL *179 Fits4SVtteandg eVlvpacksPlus$5S&H Others available write call OneSpeed Dremel Tool Full variable-speed operation Retains on-ott switch inside case$ 9 Model 270or 280 only Plus $1 hOS & H I WHEELS CONTROL-UNEFREE-FLIGHT C VINTAGESMOOTHGOLDEN AGENEW sizes2hzCONTOURsizes 21/iBALLOON 343/s3424"3/ 131314133/u21/24hz 11443/i114311/4 43/i31454 PA5Ph 4hzPA 5334 17/6S/82145141/i614 CYLINDERS ENGINE KITS SCALE PILOTS MACHINE GUN KITS PLASTIC DISPLAY MODELS masochism want model can cormfortably fly take home store next flying session repairs being required Resem blance full-scale aircraft just icing cake am lucky enough have family supports becomes involved hob feel beneficial promote fact other modelers families Further having human cover model helps establish models relative size James E Gilgenbach Fond du Lac WI Computer Program Analysis Comparison Aircraft Designs Thanks article January 1986 issue did renew interest sons Commodore 64 home computer Un fortunately after two long nights onefinger typing keyboard remem bered lost interest program ming AX ERROR 40 found takes twice long debug type first place Ive decided go back pencil paper calculator time beingat least until rewrite program Commodore Basic someone starts mar keting program rate great idea Im sure computer buffs have much better understanding Basic David Parker Kent WA Some folks wrote made conversions program other sys tems offer printouts diskettes modest sums have already put Mr Parker several others touch people having modYed programs printing information others may interested responding article written Dick Sarpolus Bernie Raad January issue son enjoyed article have managed rewrite program Commodore 64 now have program transcribed have made some additions will make program available anyone would like will send diskette ready run listing Commodore 64 $500 persons interested will send diskette will copy program onto send listing $400 anyone wants type m program wants modification another format will send listing $200 costs cover just postage paper diskettes diskette mailers handling program copyprotected anyone wishing modify encouraged Jim Jim Brandon 15644 Grevillea Ave Lawndale CA 90260 Continued page 12 10 Model Aviation Jacket orders $250 shipping/handling Illinois residents add 6% sales tax Extra patci 00 OUH UNITS REMEMBER SCALE RADIO CONTROL JLLLW SEND $2 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA PAWNEE ST. SAN MARCOS CA 9 12 Model Aviation Model Analysis Program Dick Sarpolus Bernie Raad excellent ported HP BASIC program Mi crosoft BASIC XT clone difficulty However conversion HP dialect Microsoft dialect required passing familiarity BASIC HP BASIC used authors contains several commands available Microsoft BASIC Therefore typing MAP requires user know BASIC programming have ported MAP over MS BASIC few changes original program possible have made simple possible Since people have micro computersnot minicomputersmy ver sion MAP much generic original should type BASIC run IBM-compatible computer alteration should also type Applesoft BASIC Commodore PET BASIC very few changes should also type BASIC XE Atari minor changes some people would prefer type program Lone Star Computer Co will make MAP available disk IBM MS BASIC Atari BASIC donation $250 cover cost disk shipping ma terials postage will also send program listing want type know program donation $125 Again commend Dick Bernie fine job probably first program have typed magazine completely bug-free lcok forward putting test building season approaches Stephen Risik Prop Lone Star Computer Co PO Box 882 Killeen TX 76540 Computer Talk reader Pete Donatelli Sewickley PA contacted us about errorbelievedto Computer Program Assist RC Canard Aircraft Design authored Dick Sarpolus Bernie Raad appeared June 1984 issue problem thought minus sign Line 760 should have plus sign asked Dick Sarpolus about response follows Since canard computer program ar tide published Ive gotten lot mail concerning Modelers have sent cop ies program have modified run variety computers Until Pete Donatelli picked up mistake no else done dont have computer yet depend programmer friend Bernie Raad input says mistake minus sign Line 760 should indeed plus sign reason can attribute Continued page 122 Consumers Guide Radio Control THIRD EDITION ished Oct 1 1985 Its Listed Need See hobby shop order direct $075 Price $795 plus $180 UPS total ign air mail 5*795 pIns $550 US dollars please Send Check MO Credit Cerd info Consumers Guide 150 Ott St Horrisonburg VA 22801 4340350 Products Address Charge Card No MC VISA CWflICFI MasterCard lB # _____________________ Expiration Dati PILOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWII MILITARY 1/3 Scale $19951/5 Navy $1395 1/4 Scale14951/6AAF1195 1 /5 Scale1295 Plus 1/12 Scale895$250 shipping 1/12 Chopper 895each figure KNIGHTS OF THE AIR 1400 Rte 22 West Friendship MD 21794 301-489-5050 Letters Editor Continued page 12 compiling error having gone undetected long quantity E1115/61 usually much smaller quantity L*S2/Sl As such little error pro duced used probably noticed attributed geometric variations actual model Mr Donatelli found error may have used design di mensions producing severe imbab ance So Line 760 should read PL*S2/SlE1/15/Gl apologies error must lot modelers out computers already getting mail about article Design Analysis Program Dick Sarpolus Shrewsbury NJ Safety Preston Continued page 20 stated experiencing prob lems some parts country RC cars buggies using frequencies reserved aircraft. Perhaps Davids label suggestion can help alleviate some problems FlutterAnother item mentioned last months Safety column suggestion modeler should man datory checks models prevent con trol surface flutter November 1985 issue Corsair newsletter Joint Military R/G Fliers Club editor Marlin Kinning article flutter written noted modeler Cliff Weirick benefit readers may know what flutter can model Im reproducing Cliffs article FLUTTER Most know what seem some fliers dontor dont care break flutter down two levels full blown FLUTTER very destructive force second BUZZ Buzz too very destructive force slightly dif ferent way Lets look FLUTTER first can destroy airplane quicker can blink eye can attack sur face plane its prime targets ailerons followed closely elevator rudder flutter starts matter time until surface itself leaves plane takes sur face attached case two wings elevator counts up three airplanes stunt job wing failure next two Formula Ones Another aileron wing other elevator Actu ally very famousor should say infamouscrash lot oldtimers will remember Nats Los Alamitos NAS Boy what mess Now know what flutter can lets think about BUZZ hard describe because cant hear power model unless engine dead can hear flutter loud est engines whining away Buzz tends destroy servosand ultimately plane tends ruin gears worse yet attacks feedback pot ser vo does wearing small area usually around level-flight neutral position happens wonder sometimes controls may act funny What causes buzz Primarily two things Loose control surfaces sloppy tail-heavy loose sloppy pushrods etc see control surfaces look ready fall off airplane yet pilots ignore Same way pushrods Some builders drill %2-in holes control horn use 46-in wire Thats really asking sum up check things time go out fly remem ber tight will wear out get loose Have safe moath John Preston 12235 Tildenwood Dr Rockville MD 20852 responding advertisers mention read aboutthem ModelAviation drivers fuel pumps rolled aisles over power panels gallon fuel cans transmitter tray must got hand-held units Field boxes heavy wacky high-techand prop can cost seven bucks about power panel under nose run engines fancy hinged lids prevent getting anything plane figure top wedding cake ends up ground crawling aroundeasier get ting up down like jive puppet Im back knees now cant get up Legs no legs question Bill H Greenhalgh man after own heart dont have ambition brains too suffering herd guy lives place called Wetumpka Alabama must have right stuff am another old coot Au Good name next modeL built first model airplane back 1920s Bill edifies us after 30 years Air Corps/Air Force another 10 years doingthings government heart problem came back modeling After building Sig Kadet bitten RC bug since have built several airplanes mostly scratch Being too old hands knees bit fueling starting airplanes put folding legs huge field box raise level permitted work standing position course field box/stand weighed much took two us move After building some plant stands PVC plastic pipe wife realized could have light field stand could handle easily comfort several months now have using stand shown enclosed photographs Built 1-in PVC pipe consists two ends two shelves supports airplane fastened ends bolts wing nuts permitting quicikly change fit different fuselages padding fuselage supports insulation sold PVC pipes 1 22 Model Aviation Plane Talk/Winter Continued page 37