NEWS FLASH Whereas detailed report pages upcoming issue please advised NFFS Free Flight Week held June 19-23 near Lawreneeville IL huge success Unofficially total 405 entrants representing 31 states Canada Most pre contest guesstimates topped around 250 contestants organizers little aghast say least tremendous turnout 165 folks attended Tuesday eveDale Mateer struggles L D Gas Rossi 61-powered Satellite 1000 preparation official flight Hes wearing ear plugsbut dont know whether deaden sound engine loud flashy CIA club shirt Zeeks come in sizes R popular Nostalgia Gas events Ohios Wright Field Bill Hale Floyd Miller have scaled-up 666-sq-in versions using OS Max Ill 35s power photo below find AMA District Ill Vice President Bob Brown 1 AMA President Don Lowe R surprise Marge Weisenbach presentation beautiful plaque memorializing 30 years outstanding performance AMA District Ill Contest Coordinator ning SAM 57 dinner represented sellout event Thursdays NFFS dinner meeting sold 190 tickets Event participation basic AMA events very good 91 entrants 86 Gas 75 P-30 Rubber being top attrac tions Flight times also quite high weather conditions perfect five days sunny skies winds light variable often nil no rain temper atures 80s Monday rose 90s Friday least five new AMA Category III records applied Payload C Gas Ornithopter both Class Class B Electric some special events saw substantial entry rosters such Pee Wee 30 drawing 35 competitors hand-held Catapult Glider 38 Embryo Endurance 25 SAM Society Antique ModelersEd Old-Timer events drew similar pleasing attend ance numbers 159 contestants sched uled three days competition last count Flying Aces Club contingent numbered 34 entries 74 Model Aviation Free Flight Duration Harry Murphy 3824 Oakwood Dlvd Aaderson IN 460 I 1-oursome ot ieee Wee 30 fliers have Basic Yellers L-R Steve Lont age 15 Joel Grasmeyer 16 Keith Vincent antique Krazy Karl Spielmaker ancient Mich igan Antique Modelers Club Grand Rapids Ml Joel later won Jr/Sr Pee Wee 30 big National Free Flight Society/US Outdoor Championships held Lawrenceville IL June its two-day schedule nent commentary affair Needless say marvelous week Free already talk about next year June 18-22 Flight participant put guys tentative date Mark calendars now stayed home really going Ill predict 500 attendees next time sorry after didnt get word year get Well much statistics An in-depth report word will forthcoming lots photos perti Silly Putty DT last column mentioned number reasons Free Flight dire need smokeless dethermalizers replace simple inexpensive lighted-fuse system especially small non-Gas models Well much surprise next issue Rick Pangells Max-Out newsletter included just such item first glance thought suggested DT sys tem someones idea spoof subject closer scan accompanying tes timonials creator Bill Gibbons indicated system may have some definite merit non-Gaspowered model useso basic principle involves pivoted fulcrum spring attached end pulls wire pawl attached other end through small trough filled Silly Putty Most toy stores sell containers Silly PuttyEd As spring pulls wire slowly through trough towards end travel release arm pops up free DT linejust mechanical DT fuel shutoff mechanism length DT run can set either adjusting tension spring changing distance wire pawl must travel through trough Silly Putty before release arm allowed pop up neat eh Bill has used system P-30s HandLaunched Gliders some years successes have included number wins US Free Flight Championships Taft CA accompa nying diagram shows typical installation HLG Bill recommends system stalled top wing putty trough dug about /6 deep reaching down finger reinforcement underneath wing panel Obviously prefer finger guard opposite inner wing panel installation will mirror image shown di agram Drill proper holes wing spac ings indicated DT line runs forward pop-up horizontal stabilizer along bottom fuselage point approximately two inches ahead leading edge wing Bill drills hole vertically through fuselage line small piece nylon tubing thus permit ting DT line proceed rearward atop fu selage wing tying line small rubberband turn hooked onto trigger end release arm Another nylon bushing cemented properly sized pivot hole Raise bushing slightly above upper surface wing permit free movement fulcrum lever BILL GIBBONS SILLY PUTTY D-T SYSTEM OT LINE HA ND LAUNCH GLIDER DIA HOLES \\J k5 RUBBER TPi ii 2 I RELEASE ARM PIVOT HOLE-\MAX-TIME POSITION 9 LI2 -PUTTY TROUGH 8 FINGER REINFORCEMENT LEVER rPAWL BUSHING PIVOT UNIT f--SPRING ANCHOR PIN picture really worth 1000 words few dozen well-chosen ones de scribing invention Murfs column month real mixture high-tech simplicity arm putty trough coated CyA glue wire pawl should trimmed clear bottom trough V32 Although too detailed original diagram fulcrum lever arm can fashioned various ways seems small piece brass sheet length brass tubing putty wire soldered gether would suffice 3A2-in-dia spring pin anchor holes wing lined short lengths aluminum tubing cemented place filed flush top bottom wings surfaces release arm nothing formed piece piano wire riding aluminum tubing pivot cemented securely top wing wire should release under lever arm putty wire about / %2 end trough rest instal lation rather self-explanatory Bill suggests flying field might wish run timer few times before flying putty will take light set after lying trough length time Also double-check DT time Silly Putty overly affected temperature may lose moisture pick up dust dirtfactors may cause putty wire move little slower through trough Adjusting spring tension changing start position putty wire trough recom mended corrections Changing Silly Putty has necessary date have Gibbons Silly Putty DT nutshellmaybe silly might seem firstCIltiluCd page 170 October 1989 75 Jack Hamilton Tulsa OK gorgeous Oliver Tiger 15 diesel-powered Gastove L Nostalgia Gas event placed 2nd Tulsa Glue Dobbers Annual 88 years Glue Dobber-sponsored meet will mark its 40th consecutive observancea record believed un equalled other US club As plane right Vitch vay dos go Duane Renkins Davis Diesel Development C02-ized Cox 020-powered delta pusher Built-up structure covered Mylar parachute drops out bottom dethermalizing Unique Catalog 14 BIGGER ever over 200 things have never seen before NEW Giant Telemaster NEW High-performance Electric Motors NEW Props accessories NEW Electric Airplanes worlds FASTEST electric plane NEW FAST boats NEW Steam boat NEW ORACOVER covering material NEW Helicopter NEW sailplanes NEW accessories Name Street Address City 0 BALSA WOOD EmIe set -7GLI DER PLANS 0 INEXPENSIVE VI0-EASY TO BUILD 0 FLYING MODELS 0 FAMOUS AIRCRAFT REPLICAS UBBER BAND HAND LAUNCH NUILII EACH UNIQUE FLYINGTO UNDER COMPLETR MOUFI FROM 1/16 SREUTSET OF7 PLANS BALSA 3/IA STICK BALSA SEND $750 PLUS USE LESS THAN ONE SHEET S ISO FOOTAGE Toll ANS ONE STII K PEE BUIIEI. I Springville CA 93265-0377 PS Charlie Neely eligible Until next time keep models out woods ticks off ankles FF Duration/Murphy Continued page 75 cover-up stuff As forewarned fi nal issue #35 Bill Bakers fine Okie Free Flight Flyer newsletter has now come gone flashbut some good information included have often passed tips about model covering re-covering thought article Walter Rozelle OFFFs swan song issue deserved relaying larger MA audience well article discusses using white glues ad hesive either silk films alternative conventional methods Walt suggests anyone still using age-old ritual predop ing frameworks followed soaking through paper silk thinner gain required ad hesive bond up date lat est model-covering techniques Applying tissue silkspan silk thinned white glue lieu nitrate/butyrate dopes particularly new personally have so-so success using white glues task Although finished covering bonded like crazy appearance suffered somewhat aom pared traditional doped-on methods Also re moving old covering real bear applied white glue Whether lack experience whatever gave up quickly returned known security aircraft dopes covering adhesive mother wouldnt let take favorite Teddy Bear first day school either ever Walter makes some interesting claims respect use white glue covering iron applying clear Micafllm says apparent disadvantage Micafllm small range exists between tem perature needed adhere film using Balsarite adhesive temperature required shrink film Another problem film will often creep periphery shrink open areas Balsarite bond does seem steadfast common solu tion situation has apply 3M 77 spray cement periphery model part apply Balsarite open-area frame work Now comes white glue method Walt says first read former Free Flighter Woody Blanchard used white glue attach Micafllm RC Electric model subsequently de STAR KRAFT PO 1100 321 BOUNTIFUL UT 84010 0 cided try himself Flying blind brushed two coats Franklin Home Shop Craft Glue thinned 50-50 water around Out line stab new model set coveringiron dial about 11 oclock drew deep breath started ironing away said learned quickly use nose iron press Cov ering periphery rest iron out side framework doing otherwise would shrink film before attached edges framework Walt says elated results Furthermore says discovered white glue will also work well overlap joints such wing polyhedral joints like Couple brushed-on thinned Coats glue will allow Micafllm overlap itself beautifully also tes tifies wasnt necessary wait until glue Completely dry temperature iron jacked up bit Walt related overjoyed first white glue iron-on project phoned fel low modeler Jim Walston distributes Frank lin products stated Jim listened patiently stifled few yawns excitedly related newfound discoverythen Jim asked Walt tried brushing white glue undercam bered wing rib surfaces applying silk covering iron well One-upmanship strikes again Walt makes white glue methods sound good shall have have another shot especially Micafllm am personally still searching worlds greatest covering stickum films have used differ ent adhesives c&ering models last few years have keep logbook what used model Now suppose shall have start new column under White Glue Dope sheet have around modeling long have familiar bet ter brands aircraft dopes have made available modelers over years such brand has weathered well Randolph brand aircraft finishes As early teen would peddle bike down road small airport toting quart jar befriended airplane mechanic would fill brim clear nitrate dope 55-gallon drum Randolph small amount loose change Since Randolph has always catered full-scale aircraft market one-gallon container about smallest quantity has avail able modelers recent years fine thinners clear dopes can used up rather quickly gallon color dope nearly impossible use up model airplane purposesand quite expensive well Continued page 174 170 Model Aviation 17 DIFFERENT PLANS INCLUDING F-15F-le F-lBF-4 U-2A-e SPAE SHUTTLE 10 OTHERS ma StateZ p HOWW BB IMTDMAT SIJA NC 0 High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RC flight performance An efficient Proportional Electronic Throttle Control enhances MA-3s supercompact size weight eliminating additional battery servo switch Because operates sep arately fmm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery Xbltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components f mm overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 Volts/Amp FET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Csrrent580 Amps Dimensions l42x l16x 067 Weight 063 oz less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size fenite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller SetThe Standard jAIRTRONICS INC Autry Irvine CA 92718714 830-8769 information about Airtmnics quality products please call write address above *Not compatible PCM Receivers FF Duration/Murphy Continued page 170 Jim Correll under ABC Hobby Shop logo Clarksville IN has remedied problem making Randolph dopes available smaller quantities s pints quarts Pricing reasonable offers clear nitrate buty rate dope thinner retarders sanding seal ers well 23 colors butyrate Send him SASE free color chart complete price listing Thats ABC Hobby Supplies PO Box 2391 Clarksville IN 47131or phone 1812/944-5557 Jim modeler himself fully understands finishing problems Tell him Duration set onto him NosGas stay As far columnist concerned Old-Timers Nostalgia Gas just much part active Free Flight scene AMA FAI activities launch radio control lines put stop watch its Duration book six NosGas events drew 197 total event en tries June NFFS/USOC event tallying 62 contestants Bob Watson logged over 17 mm best other 61 total also bested AMA Gas-winning score well Other NosGas entry totals AA25 A42 B3 1 C25 unofficial NosGas Igni tion event12 sure indication fliers seeking low-tech competitionevent alternatives FAI AMA Schnuerle powered-missile multifunction-gadgetry events say technology popular simple machine also has its place Free Flight Apparently NosGas isnt about sit back com placently five official events spe cial event now endorses caught discus sion recent WMC Potter newsletter ef fect may interest brewing early-FAI Power event John Lenderman Bob Stalick extended bait idea resurrecting FAI Power models still storage photo Jack Hamiltons Gastove local-area popularity Jerry Nolins Happy Days indicators vintage FAI Gas jobs hold interest some John Bobs idea permit models com pete other used prior day cold fuel became rule January 1970 before models became technical-andgadgetry monsters would put G15 Su pertigres K&B FAI black-cylinder Cox back use well Any takers Terry Rimert offered thought might look lumping vintage /2A B class Pan Am Payload designs single event carrying its appropriate number size weight dummy pilots some good-flying designs evolved Pan Am days Require ROG rule Pan Am stuff might fun thing once again Payload event attempted spe cial event AMA Nats couple years some five six years ago failed revive Maybe Terrys proposal has much merit Mull over next club meeting lets see what develops gumbanders turned thumbs down NosGas-type Rubber events onset NosGas movement stating Rubber models era unlike previous im mediately following Whether feel differ ently about now known writer Maybe time ask some questions again Meanwhile NosGas move Zeek chroniclesPart VI still have enough material make up about two epi sodes saga would like pause point present letter written life long friend gentleman has associate workplace over 30 years longstanding relationship has unconnected modeling shown interest kept insisting going get involved hobby someday have heard com ments before taken grain salt story involves A/B Zeek also answers some questions next nov ices might come what person gets out building flying model airplanes message gets through folks say Free Flight needs some fun events should go hang heads shame Although columnists often get mail seldom geta letter such says much between lines Let set stage Free Flight club meetings last May Les surprised showing up fin ished model A/B Zeek sported old blue-head Mccoy 19 done rather nice job considering first Free Flight Gassic previous modeling experience electric-powered RC Sailplane built RC boat showed up Wright Field June 4the second day Central Ohio Free Flight Clubs spring contest rest Les story dreading day weeks Id Zeek built months couldnt get up nerve fly test glided few times surprise went pretty well ad mittedly busted up little glided Continued page 176 174 Model Aviation r Mystery Products little-known facts about two well-known products should help take mystery out modeling projects FLEXA Ideal non-porous materials fiber glass Use sparingly plywood fiberglass dont use Zip-Kicker Results tremendous bonding power just wont vibrate loose no stronger formula available anywhere POLS ZATh Adheres plastic surface including Lexan other modern plastics Also glue canopies fogging Use couple drops just little Zip-Kickertm esellent results HE ~CY- / ADHESIVE SYsTEM POce Tech Californd USA backyard fence since repaired it ready again test under power felt go Wright Field contest get some experience already pre-entered NFFS/US Outdoor Champs held couple weeks Lawrenceville IL son-in-law arrived contest site about 1100 am. now decided going watch ran old friend Harry Murphy made go get plane said would probably would fly introduced some flying friends looked over plane commented about several strange novations said plane appeared legal flightworthy -Although extremely nervous did some thing irrational decided fly plane suggested put prop backwards some technical reasons did Harry helped get DT fuse correctly align tail section After having some trouble engine fi nally started Now really nervous un hooked battery got ready launch Zeek mind blank tossed plane air took off low half-circle right other contestants finally climbed little surprise gained altitude fast -As proudly watched fly several sec onds Harry asked set timer No Did light DT fuse No Meanwhile Zeek proudly roared higher higher way Harry commented large fuel tank thoughtfully filled very top Now Harry also panicked jumped motorbike told get car drive around outside field quickly headed downwind south took about 10 minutes get outside base around downwind fence get parked start looking plane spotted Harry riding towards motorbike stopped temporarily stuck something finally got going again rode up fence noticed gotten mud over pants told plane OK gotten stuck mud plane run out gas stalled badly came down pretty quickly got lost going back ended up taking lap around base About 15 minutes later got back plane OK Harry going have cleanine bill Harry said planes CO right move forward already holes got out tools moved engine ward about half-inch ready fly again Also Harry gave bigger prop stalled backwards another test flight think Harry may have lost some confidence because suggested move away cars little bit Several guys made sug gestions about launch wind light fuse start timer guy said seen guys forget otherbut both engine started lot quicker time tried light fuse wind off prop blew out lighter thought heck set timer away went upwind did couple twists timer shut engine off made few circles glide made nice three-point landing about quarter mile away Harry asked about fuse ex plained did work Another lesson gave piece clothesline rope keep burning light DT fuse can blow out ready flight number three put prop right way power set timer longer engine run started engine lit fuse let Zeek go noticed wind changed set off downwind again went pretty well again DT did work circled around headed other fliers Everyone started duck ing made another three-point landing middle contestants area No hurt ready flight four did everything right time flew greatstraight up high timer shut off 10 seconds Zeek circled down glided perfectly landed about 300 ards away DTd about six feet off ground shorten fuse ready flight five flight super flew high fast staying up forever praying OT pop up Shortly thereafter did pop Zeek fell gently ground made day guys congratulated good plane good flight felt like Free Flighter packed up called day watched Harry fly Pee Wee 30 brand-new some problems after two flights made some adjustments called timer got maximum flight thought would never come down get bike go about quarter-mile get Success could leave well enough alone Now expert decided make another flight did everything right sent up rolled over powered ground broken wing tip some nose damage resulted Well back reality guys said got initia tion got feet wet welcomed club wished good luck packed up quite confident before lot smarter experienced few hours earlier am looking forward next contest headed home 53-year-old Free Flight rookie Les Hallgarth June 4 1989 says doesnt thats about time See ya downwind P-51 B/Koutny Con finued page 78 flaws Though P-51H has flown racer boys prefer build warbird Cockpit panel drawn photocopied instruments pilot radio can added extra realism canopy can made thin 03mm acetate sheet heated frame before pressing shaped cockpit mold Flight trimming Check wing washout adjust necessary original model trimmed fly left-left re quired about s up elevator4 rudder bent slightly left As model turn ing left left wing should have little less washout right order crease its lift slightly Make sure thrust line 20 40 down 10 right Rubber original model flown vintage 1972 Pirelli subsequent edi tions have flown successfully Alfa Continued page 178 176 Model Aviation Stack f Immediate Slat paaaent ZEMOAH G-62 37 Cu In $26495 ZENOAN G-23 96 ZENOAM 038 $17896 SACHI 28 TCA 838000 SACHS 32 TCA 50 SACHS 37 CDI 00 SACIlS 37 TCA 00 SACHS 58 CDI 00 SACHO 58 TCA 00 JOo Me. ERCOUPEPLANS 02386 FULL KIT $23881 Jin Meaer TOMAHAWKPLANS $2386 FULL KIT 023888 Jim Meoser J3 KITTENPLANS $2886 FULL KIT $21886 FLORIO FLYER NIFTY-SO kit$9286 FLORIC FLYER40 kit 07186FF 80 kit 6 SUPER-FLEX Goline tobino /ft 38/0160050/03800 FLOATS 48114 stalenore $3186 complet kit $4786 10 WW1 WHEELS 6P1K Spring Starter 02486 PLANS supos STEARMAN lIdlGodfrey/$3886 1I3TAYLORCRAFTor1I3CuB NeIIU03881 MGA Painted Pilot Boats 1/4 so. WW1 WV12 Cit$1886 Servos H-402 42 $1295 World 518 leg. nodel $4486 Prop 11 since ER TOP FLITE OYNATHRUST 30% off US Osedro FUELTANKS180. $78633 0886 FIBERGLASS ARROW SHAFTS 6/18023 long 6 $1186 24 Hr Sorvios $286 p000g 80k Cheok MO JIM MESSERS QUALITY MODEL PRODUCTS Valley View Drive Box 43 AlIegany NY 14706
Edition: Model Aviation - 1989/10
Page Numbers: 74, 75, 170, 174, 176
NEWS FLASH Whereas detailed report pages upcoming issue please advised NFFS Free Flight Week held June 19-23 near Lawreneeville IL huge success Unofficially total 405 entrants representing 31 states Canada Most pre contest guesstimates topped around 250 contestants organizers little aghast say least tremendous turnout 165 folks attended Tuesday eveDale Mateer struggles L D Gas Rossi 61-powered Satellite 1000 preparation official flight Hes wearing ear plugsbut dont know whether deaden sound engine loud flashy CIA club shirt Zeeks come in sizes R popular Nostalgia Gas events Ohios Wright Field Bill Hale Floyd Miller have scaled-up 666-sq-in versions using OS Max Ill 35s power photo below find AMA District Ill Vice President Bob Brown 1 AMA President Don Lowe R surprise Marge Weisenbach presentation beautiful plaque memorializing 30 years outstanding performance AMA District Ill Contest Coordinator ning SAM 57 dinner represented sellout event Thursdays NFFS dinner meeting sold 190 tickets Event participation basic AMA events very good 91 entrants 86 Gas 75 P-30 Rubber being top attrac tions Flight times also quite high weather conditions perfect five days sunny skies winds light variable often nil no rain temper atures 80s Monday rose 90s Friday least five new AMA Category III records applied Payload C Gas Ornithopter both Class Class B Electric some special events saw substantial entry rosters such Pee Wee 30 drawing 35 competitors hand-held Catapult Glider 38 Embryo Endurance 25 SAM Society Antique ModelersEd Old-Timer events drew similar pleasing attend ance numbers 159 contestants sched uled three days competition last count Flying Aces Club contingent numbered 34 entries 74 Model Aviation Free Flight Duration Harry Murphy 3824 Oakwood Dlvd Aaderson IN 460 I 1-oursome ot ieee Wee 30 fliers have Basic Yellers L-R Steve Lont age 15 Joel Grasmeyer 16 Keith Vincent antique Krazy Karl Spielmaker ancient Mich igan Antique Modelers Club Grand Rapids Ml Joel later won Jr/Sr Pee Wee 30 big National Free Flight Society/US Outdoor Championships held Lawrenceville IL June its two-day schedule nent commentary affair Needless say marvelous week Free already talk about next year June 18-22 Flight participant put guys tentative date Mark calendars now stayed home really going Ill predict 500 attendees next time sorry after didnt get word year get Well much statistics An in-depth report word will forthcoming lots photos perti Silly Putty DT last column mentioned number reasons Free Flight dire need smokeless dethermalizers replace simple inexpensive lighted-fuse system especially small non-Gas models Well much surprise next issue Rick Pangells Max-Out newsletter included just such item first glance thought suggested DT sys tem someones idea spoof subject closer scan accompanying tes timonials creator Bill Gibbons indicated system may have some definite merit non-Gaspowered model useso basic principle involves pivoted fulcrum spring attached end pulls wire pawl attached other end through small trough filled Silly Putty Most toy stores sell containers Silly PuttyEd As spring pulls wire slowly through trough towards end travel release arm pops up free DT linejust mechanical DT fuel shutoff mechanism length DT run can set either adjusting tension spring changing distance wire pawl must travel through trough Silly Putty before release arm allowed pop up neat eh Bill has used system P-30s HandLaunched Gliders some years successes have included number wins US Free Flight Championships Taft CA accompa nying diagram shows typical installation HLG Bill recommends system stalled top wing putty trough dug about /6 deep reaching down finger reinforcement underneath wing panel Obviously prefer finger guard opposite inner wing panel installation will mirror image shown di agram Drill proper holes wing spac ings indicated DT line runs forward pop-up horizontal stabilizer along bottom fuselage point approximately two inches ahead leading edge wing Bill drills hole vertically through fuselage line small piece nylon tubing thus permit ting DT line proceed rearward atop fu selage wing tying line small rubberband turn hooked onto trigger end release arm Another nylon bushing cemented properly sized pivot hole Raise bushing slightly above upper surface wing permit free movement fulcrum lever BILL GIBBONS SILLY PUTTY D-T SYSTEM OT LINE HA ND LAUNCH GLIDER DIA HOLES \\J k5 RUBBER TPi ii 2 I RELEASE ARM PIVOT HOLE-\MAX-TIME POSITION 9 LI2 -PUTTY TROUGH 8 FINGER REINFORCEMENT LEVER rPAWL BUSHING PIVOT UNIT f--SPRING ANCHOR PIN picture really worth 1000 words few dozen well-chosen ones de scribing invention Murfs column month real mixture high-tech simplicity arm putty trough coated CyA glue wire pawl should trimmed clear bottom trough V32 Although too detailed original diagram fulcrum lever arm can fashioned various ways seems small piece brass sheet length brass tubing putty wire soldered gether would suffice 3A2-in-dia spring pin anchor holes wing lined short lengths aluminum tubing cemented place filed flush top bottom wings surfaces release arm nothing formed piece piano wire riding aluminum tubing pivot cemented securely top wing wire should release under lever arm putty wire about / %2 end trough rest instal lation rather self-explanatory Bill suggests flying field might wish run timer few times before flying putty will take light set after lying trough length time Also double-check DT time Silly Putty overly affected temperature may lose moisture pick up dust dirtfactors may cause putty wire move little slower through trough Adjusting spring tension changing start position putty wire trough recom mended corrections Changing Silly Putty has necessary date have Gibbons Silly Putty DT nutshellmaybe silly might seem firstCIltiluCd page 170 October 1989 75 Jack Hamilton Tulsa OK gorgeous Oliver Tiger 15 diesel-powered Gastove L Nostalgia Gas event placed 2nd Tulsa Glue Dobbers Annual 88 years Glue Dobber-sponsored meet will mark its 40th consecutive observancea record believed un equalled other US club As plane right Vitch vay dos go Duane Renkins Davis Diesel Development C02-ized Cox 020-powered delta pusher Built-up structure covered Mylar parachute drops out bottom dethermalizing Unique Catalog 14 BIGGER ever over 200 things have never seen before NEW Giant Telemaster NEW High-performance Electric Motors NEW Props accessories NEW Electric Airplanes worlds FASTEST electric plane NEW FAST boats NEW Steam boat NEW ORACOVER covering material NEW Helicopter NEW sailplanes NEW accessories Name Street Address City 0 BALSA WOOD EmIe set -7GLI DER PLANS 0 INEXPENSIVE VI0-EASY TO BUILD 0 FLYING MODELS 0 FAMOUS AIRCRAFT REPLICAS UBBER BAND HAND LAUNCH NUILII EACH UNIQUE FLYINGTO UNDER COMPLETR MOUFI FROM 1/16 SREUTSET OF7 PLANS BALSA 3/IA STICK BALSA SEND $750 PLUS USE LESS THAN ONE SHEET S ISO FOOTAGE Toll ANS ONE STII K PEE BUIIEI. I Springville CA 93265-0377 PS Charlie Neely eligible Until next time keep models out woods ticks off ankles FF Duration/Murphy Continued page 75 cover-up stuff As forewarned fi nal issue #35 Bill Bakers fine Okie Free Flight Flyer newsletter has now come gone flashbut some good information included have often passed tips about model covering re-covering thought article Walter Rozelle OFFFs swan song issue deserved relaying larger MA audience well article discusses using white glues ad hesive either silk films alternative conventional methods Walt suggests anyone still using age-old ritual predop ing frameworks followed soaking through paper silk thinner gain required ad hesive bond up date lat est model-covering techniques Applying tissue silkspan silk thinned white glue lieu nitrate/butyrate dopes particularly new personally have so-so success using white glues task Although finished covering bonded like crazy appearance suffered somewhat aom pared traditional doped-on methods Also re moving old covering real bear applied white glue Whether lack experience whatever gave up quickly returned known security aircraft dopes covering adhesive mother wouldnt let take favorite Teddy Bear first day school either ever Walter makes some interesting claims respect use white glue covering iron applying clear Micafllm says apparent disadvantage Micafllm small range exists between tem perature needed adhere film using Balsarite adhesive temperature required shrink film Another problem film will often creep periphery shrink open areas Balsarite bond does seem steadfast common solu tion situation has apply 3M 77 spray cement periphery model part apply Balsarite open-area frame work Now comes white glue method Walt says first read former Free Flighter Woody Blanchard used white glue attach Micafllm RC Electric model subsequently de STAR KRAFT PO 1100 321 BOUNTIFUL UT 84010 0 cided try himself Flying blind brushed two coats Franklin Home Shop Craft Glue thinned 50-50 water around Out line stab new model set coveringiron dial about 11 oclock drew deep breath started ironing away said learned quickly use nose iron press Cov ering periphery rest iron out side framework doing otherwise would shrink film before attached edges framework Walt says elated results Furthermore says discovered white glue will also work well overlap joints such wing polyhedral joints like Couple brushed-on thinned Coats glue will allow Micafllm overlap itself beautifully also tes tifies wasnt necessary wait until glue Completely dry temperature iron jacked up bit Walt related overjoyed first white glue iron-on project phoned fel low modeler Jim Walston distributes Frank lin products stated Jim listened patiently stifled few yawns excitedly related newfound discoverythen Jim asked Walt tried brushing white glue undercam bered wing rib surfaces applying silk covering iron well One-upmanship strikes again Walt makes white glue methods sound good shall have have another shot especially Micafllm am personally still searching worlds greatest covering stickum films have used differ ent adhesives c&ering models last few years have keep logbook what used model Now suppose shall have start new column under White Glue Dope sheet have around modeling long have familiar bet ter brands aircraft dopes have made available modelers over years such brand has weathered well Randolph brand aircraft finishes As early teen would peddle bike down road small airport toting quart jar befriended airplane mechanic would fill brim clear nitrate dope 55-gallon drum Randolph small amount loose change Since Randolph has always catered full-scale aircraft market one-gallon container about smallest quantity has avail able modelers recent years fine thinners clear dopes can used up rather quickly gallon color dope nearly impossible use up model airplane purposesand quite expensive well Continued page 174 170 Model Aviation 17 DIFFERENT PLANS INCLUDING F-15F-le F-lBF-4 U-2A-e SPAE SHUTTLE 10 OTHERS ma StateZ p HOWW BB IMTDMAT SIJA NC 0 High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RC flight performance An efficient Proportional Electronic Throttle Control enhances MA-3s supercompact size weight eliminating additional battery servo switch Because operates sep arately fmm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery Xbltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components f mm overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 Volts/Amp FET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Csrrent580 Amps Dimensions l42x l16x 067 Weight 063 oz less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size fenite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller SetThe Standard jAIRTRONICS INC Autry Irvine CA 92718714 830-8769 information about Airtmnics quality products please call write address above *Not compatible PCM Receivers FF Duration/Murphy Continued page 170 Jim Correll under ABC Hobby Shop logo Clarksville IN has remedied problem making Randolph dopes available smaller quantities s pints quarts Pricing reasonable offers clear nitrate buty rate dope thinner retarders sanding seal ers well 23 colors butyrate Send him SASE free color chart complete price listing Thats ABC Hobby Supplies PO Box 2391 Clarksville IN 47131or phone 1812/944-5557 Jim modeler himself fully understands finishing problems Tell him Duration set onto him NosGas stay As far columnist concerned Old-Timers Nostalgia Gas just much part active Free Flight scene AMA FAI activities launch radio control lines put stop watch its Duration book six NosGas events drew 197 total event en tries June NFFS/USOC event tallying 62 contestants Bob Watson logged over 17 mm best other 61 total also bested AMA Gas-winning score well Other NosGas entry totals AA25 A42 B3 1 C25 unofficial NosGas Igni tion event12 sure indication fliers seeking low-tech competitionevent alternatives FAI AMA Schnuerle powered-missile multifunction-gadgetry events say technology popular simple machine also has its place Free Flight Apparently NosGas isnt about sit back com placently five official events spe cial event now endorses caught discus sion recent WMC Potter newsletter ef fect may interest brewing early-FAI Power event John Lenderman Bob Stalick extended bait idea resurrecting FAI Power models still storage photo Jack Hamiltons Gastove local-area popularity Jerry Nolins Happy Days indicators vintage FAI Gas jobs hold interest some John Bobs idea permit models com pete other used prior day cold fuel became rule January 1970 before models became technical-andgadgetry monsters would put G15 Su pertigres K&B FAI black-cylinder Cox back use well Any takers Terry Rimert offered thought might look lumping vintage /2A B class Pan Am Payload designs single event carrying its appropriate number size weight dummy pilots some good-flying designs evolved Pan Am days Require ROG rule Pan Am stuff might fun thing once again Payload event attempted spe cial event AMA Nats couple years some five six years ago failed revive Maybe Terrys proposal has much merit Mull over next club meeting lets see what develops gumbanders turned thumbs down NosGas-type Rubber events onset NosGas movement stating Rubber models era unlike previous im mediately following Whether feel differ ently about now known writer Maybe time ask some questions again Meanwhile NosGas move Zeek chroniclesPart VI still have enough material make up about two epi sodes saga would like pause point present letter written life long friend gentleman has associate workplace over 30 years longstanding relationship has unconnected modeling shown interest kept insisting going get involved hobby someday have heard com ments before taken grain salt story involves A/B Zeek also answers some questions next nov ices might come what person gets out building flying model airplanes message gets through folks say Free Flight needs some fun events should go hang heads shame Although columnists often get mail seldom geta letter such says much between lines Let set stage Free Flight club meetings last May Les surprised showing up fin ished model A/B Zeek sported old blue-head Mccoy 19 done rather nice job considering first Free Flight Gassic previous modeling experience electric-powered RC Sailplane built RC boat showed up Wright Field June 4the second day Central Ohio Free Flight Clubs spring contest rest Les story dreading day weeks Id Zeek built months couldnt get up nerve fly test glided few times surprise went pretty well ad mittedly busted up little glided Continued page 176 174 Model Aviation r Mystery Products little-known facts about two well-known products should help take mystery out modeling projects FLEXA Ideal non-porous materials fiber glass Use sparingly plywood fiberglass dont use Zip-Kicker Results tremendous bonding power just wont vibrate loose no stronger formula available anywhere POLS ZATh Adheres plastic surface including Lexan other modern plastics Also glue canopies fogging Use couple drops just little Zip-Kickertm esellent results HE ~CY- / ADHESIVE SYsTEM POce Tech Californd USA backyard fence since repaired it ready again test under power felt go Wright Field contest get some experience already pre-entered NFFS/US Outdoor Champs held couple weeks Lawrenceville IL son-in-law arrived contest site about 1100 am. now decided going watch ran old friend Harry Murphy made go get plane said would probably would fly introduced some flying friends looked over plane commented about several strange novations said plane appeared legal flightworthy -Although extremely nervous did some thing irrational decided fly plane suggested put prop backwards some technical reasons did Harry helped get DT fuse correctly align tail section After having some trouble engine fi nally started Now really nervous un hooked battery got ready launch Zeek mind blank tossed plane air took off low half-circle right other contestants finally climbed little surprise gained altitude fast -As proudly watched fly several sec onds Harry asked set timer No Did light DT fuse No Meanwhile Zeek proudly roared higher higher way Harry commented large fuel tank thoughtfully filled very top Now Harry also panicked jumped motorbike told get car drive around outside field quickly headed downwind south took about 10 minutes get outside base around downwind fence get parked start looking plane spotted Harry riding towards motorbike stopped temporarily stuck something finally got going again rode up fence noticed gotten mud over pants told plane OK gotten stuck mud plane run out gas stalled badly came down pretty quickly got lost going back ended up taking lap around base About 15 minutes later got back plane OK Harry going have cleanine bill Harry said planes CO right move forward already holes got out tools moved engine ward about half-inch ready fly again Also Harry gave bigger prop stalled backwards another test flight think Harry may have lost some confidence because suggested move away cars little bit Several guys made sug gestions about launch wind light fuse start timer guy said seen guys forget otherbut both engine started lot quicker time tried light fuse wind off prop blew out lighter thought heck set timer away went upwind did couple twists timer shut engine off made few circles glide made nice three-point landing about quarter mile away Harry asked about fuse ex plained did work Another lesson gave piece clothesline rope keep burning light DT fuse can blow out ready flight number three put prop right way power set timer longer engine run started engine lit fuse let Zeek go noticed wind changed set off downwind again went pretty well again DT did work circled around headed other fliers Everyone started duck ing made another three-point landing middle contestants area No hurt ready flight four did everything right time flew greatstraight up high timer shut off 10 seconds Zeek circled down glided perfectly landed about 300 ards away DTd about six feet off ground shorten fuse ready flight five flight super flew high fast staying up forever praying OT pop up Shortly thereafter did pop Zeek fell gently ground made day guys congratulated good plane good flight felt like Free Flighter packed up called day watched Harry fly Pee Wee 30 brand-new some problems after two flights made some adjustments called timer got maximum flight thought would never come down get bike go about quarter-mile get Success could leave well enough alone Now expert decided make another flight did everything right sent up rolled over powered ground broken wing tip some nose damage resulted Well back reality guys said got initia tion got feet wet welcomed club wished good luck packed up quite confident before lot smarter experienced few hours earlier am looking forward next contest headed home 53-year-old Free Flight rookie Les Hallgarth June 4 1989 says doesnt thats about time See ya downwind P-51 B/Koutny Con finued page 78 flaws Though P-51H has flown racer boys prefer build warbird Cockpit panel drawn photocopied instruments pilot radio can added extra realism canopy can made thin 03mm acetate sheet heated frame before pressing shaped cockpit mold Flight trimming Check wing washout adjust necessary original model trimmed fly left-left re quired about s up elevator4 rudder bent slightly left As model turn ing left left wing should have little less washout right order crease its lift slightly Make sure thrust line 20 40 down 10 right Rubber original model flown vintage 1972 Pirelli subsequent edi tions have flown successfully Alfa Continued page 178 176 Model Aviation Stack f Immediate Slat paaaent ZEMOAH G-62 37 Cu In $26495 ZENOAN G-23 96 ZENOAM 038 $17896 SACHI 28 TCA 838000 SACHS 32 TCA 50 SACHS 37 CDI 00 SACIlS 37 TCA 00 SACHS 58 CDI 00 SACHO 58 TCA 00 JOo Me. ERCOUPEPLANS 02386 FULL KIT $23881 Jin Meaer TOMAHAWKPLANS $2386 FULL KIT 023888 Jim Meoser J3 KITTENPLANS $2886 FULL KIT $21886 FLORIO FLYER NIFTY-SO kit$9286 FLORIC FLYER40 kit 07186FF 80 kit 6 SUPER-FLEX Goline tobino /ft 38/0160050/03800 FLOATS 48114 stalenore $3186 complet kit $4786 10 WW1 WHEELS 6P1K Spring Starter 02486 PLANS supos STEARMAN lIdlGodfrey/$3886 1I3TAYLORCRAFTor1I3CuB NeIIU03881 MGA Painted Pilot Boats 1/4 so. WW1 WV12 Cit$1886 Servos H-402 42 $1295 World 518 leg. nodel $4486 Prop 11 since ER TOP FLITE OYNATHRUST 30% off US Osedro FUELTANKS180. $78633 0886 FIBERGLASS ARROW SHAFTS 6/18023 long 6 $1186 24 Hr Sorvios $286 p000g 80k Cheok MO JIM MESSERS QUALITY MODEL PRODUCTS Valley View Drive Box 43 AlIegany NY 14706
Edition: Model Aviation - 1989/10
Page Numbers: 74, 75, 170, 174, 176
NEWS FLASH Whereas detailed report pages upcoming issue please advised NFFS Free Flight Week held June 19-23 near Lawreneeville IL huge success Unofficially total 405 entrants representing 31 states Canada Most pre contest guesstimates topped around 250 contestants organizers little aghast say least tremendous turnout 165 folks attended Tuesday eveDale Mateer struggles L D Gas Rossi 61-powered Satellite 1000 preparation official flight Hes wearing ear plugsbut dont know whether deaden sound engine loud flashy CIA club shirt Zeeks come in sizes R popular Nostalgia Gas events Ohios Wright Field Bill Hale Floyd Miller have scaled-up 666-sq-in versions using OS Max Ill 35s power photo below find AMA District Ill Vice President Bob Brown 1 AMA President Don Lowe R surprise Marge Weisenbach presentation beautiful plaque memorializing 30 years outstanding performance AMA District Ill Contest Coordinator ning SAM 57 dinner represented sellout event Thursdays NFFS dinner meeting sold 190 tickets Event participation basic AMA events very good 91 entrants 86 Gas 75 P-30 Rubber being top attrac tions Flight times also quite high weather conditions perfect five days sunny skies winds light variable often nil no rain temper atures 80s Monday rose 90s Friday least five new AMA Category III records applied Payload C Gas Ornithopter both Class Class B Electric some special events saw substantial entry rosters such Pee Wee 30 drawing 35 competitors hand-held Catapult Glider 38 Embryo Endurance 25 SAM Society Antique ModelersEd Old-Timer events drew similar pleasing attend ance numbers 159 contestants sched uled three days competition last count Flying Aces Club contingent numbered 34 entries 74 Model Aviation Free Flight Duration Harry Murphy 3824 Oakwood Dlvd Aaderson IN 460 I 1-oursome ot ieee Wee 30 fliers have Basic Yellers L-R Steve Lont age 15 Joel Grasmeyer 16 Keith Vincent antique Krazy Karl Spielmaker ancient Mich igan Antique Modelers Club Grand Rapids Ml Joel later won Jr/Sr Pee Wee 30 big National Free Flight Society/US Outdoor Championships held Lawrenceville IL June its two-day schedule nent commentary affair Needless say marvelous week Free already talk about next year June 18-22 Flight participant put guys tentative date Mark calendars now stayed home really going Ill predict 500 attendees next time sorry after didnt get word year get Well much statistics An in-depth report word will forthcoming lots photos perti Silly Putty DT last column mentioned number reasons Free Flight dire need smokeless dethermalizers replace simple inexpensive lighted-fuse system especially small non-Gas models Well much surprise next issue Rick Pangells Max-Out newsletter included just such item first glance thought suggested DT sys tem someones idea spoof subject closer scan accompanying tes timonials creator Bill Gibbons indicated system may have some definite merit non-Gaspowered model useso basic principle involves pivoted fulcrum spring attached end pulls wire pawl attached other end through small trough filled Silly Putty Most toy stores sell containers Silly PuttyEd As spring pulls wire slowly through trough towards end travel release arm pops up free DT linejust mechanical DT fuel shutoff mechanism length DT run can set either adjusting tension spring changing distance wire pawl must travel through trough Silly Putty before release arm allowed pop up neat eh Bill has used system P-30s HandLaunched Gliders some years successes have included number wins US Free Flight Championships Taft CA accompa nying diagram shows typical installation HLG Bill recommends system stalled top wing putty trough dug about /6 deep reaching down finger reinforcement underneath wing panel Obviously prefer finger guard opposite inner wing panel installation will mirror image shown di agram Drill proper holes wing spac ings indicated DT line runs forward pop-up horizontal stabilizer along bottom fuselage point approximately two inches ahead leading edge wing Bill drills hole vertically through fuselage line small piece nylon tubing thus permit ting DT line proceed rearward atop fu selage wing tying line small rubberband turn hooked onto trigger end release arm Another nylon bushing cemented properly sized pivot hole Raise bushing slightly above upper surface wing permit free movement fulcrum lever BILL GIBBONS SILLY PUTTY D-T SYSTEM OT LINE HA ND LAUNCH GLIDER DIA HOLES \\J k5 RUBBER TPi ii 2 I RELEASE ARM PIVOT HOLE-\MAX-TIME POSITION 9 LI2 -PUTTY TROUGH 8 FINGER REINFORCEMENT LEVER rPAWL BUSHING PIVOT UNIT f--SPRING ANCHOR PIN picture really worth 1000 words few dozen well-chosen ones de scribing invention Murfs column month real mixture high-tech simplicity arm putty trough coated CyA glue wire pawl should trimmed clear bottom trough V32 Although too detailed original diagram fulcrum lever arm can fashioned various ways seems small piece brass sheet length brass tubing putty wire soldered gether would suffice 3A2-in-dia spring pin anchor holes wing lined short lengths aluminum tubing cemented place filed flush top bottom wings surfaces release arm nothing formed piece piano wire riding aluminum tubing pivot cemented securely top wing wire should release under lever arm putty wire about / %2 end trough rest instal lation rather self-explanatory Bill suggests flying field might wish run timer few times before flying putty will take light set after lying trough length time Also double-check DT time Silly Putty overly affected temperature may lose moisture pick up dust dirtfactors may cause putty wire move little slower through trough Adjusting spring tension changing start position putty wire trough recom mended corrections Changing Silly Putty has necessary date have Gibbons Silly Putty DT nutshellmaybe silly might seem firstCIltiluCd page 170 October 1989 75 Jack Hamilton Tulsa OK gorgeous Oliver Tiger 15 diesel-powered Gastove L Nostalgia Gas event placed 2nd Tulsa Glue Dobbers Annual 88 years Glue Dobber-sponsored meet will mark its 40th consecutive observancea record believed un equalled other US club As plane right Vitch vay dos go Duane Renkins Davis Diesel Development C02-ized Cox 020-powered delta pusher Built-up structure covered Mylar parachute drops out bottom dethermalizing Unique Catalog 14 BIGGER ever over 200 things have never seen before NEW Giant Telemaster NEW High-performance Electric Motors NEW Props accessories NEW Electric Airplanes worlds FASTEST electric plane NEW FAST boats NEW Steam boat NEW ORACOVER covering material NEW Helicopter NEW sailplanes NEW accessories Name Street Address City 0 BALSA WOOD EmIe set -7GLI DER PLANS 0 INEXPENSIVE VI0-EASY TO BUILD 0 FLYING MODELS 0 FAMOUS AIRCRAFT REPLICAS UBBER BAND HAND LAUNCH NUILII EACH UNIQUE FLYINGTO UNDER COMPLETR MOUFI FROM 1/16 SREUTSET OF7 PLANS BALSA 3/IA STICK BALSA SEND $750 PLUS USE LESS THAN ONE SHEET S ISO FOOTAGE Toll ANS ONE STII K PEE BUIIEI. I Springville CA 93265-0377 PS Charlie Neely eligible Until next time keep models out woods ticks off ankles FF Duration/Murphy Continued page 75 cover-up stuff As forewarned fi nal issue #35 Bill Bakers fine Okie Free Flight Flyer newsletter has now come gone flashbut some good information included have often passed tips about model covering re-covering thought article Walter Rozelle OFFFs swan song issue deserved relaying larger MA audience well article discusses using white glues ad hesive either silk films alternative conventional methods Walt suggests anyone still using age-old ritual predop ing frameworks followed soaking through paper silk thinner gain required ad hesive bond up date lat est model-covering techniques Applying tissue silkspan silk thinned white glue lieu nitrate/butyrate dopes particularly new personally have so-so success using white glues task Although finished covering bonded like crazy appearance suffered somewhat aom pared traditional doped-on methods Also re moving old covering real bear applied white glue Whether lack experience whatever gave up quickly returned known security aircraft dopes covering adhesive mother wouldnt let take favorite Teddy Bear first day school either ever Walter makes some interesting claims respect use white glue covering iron applying clear Micafllm says apparent disadvantage Micafllm small range exists between tem perature needed adhere film using Balsarite adhesive temperature required shrink film Another problem film will often creep periphery shrink open areas Balsarite bond does seem steadfast common solu tion situation has apply 3M 77 spray cement periphery model part apply Balsarite open-area frame work Now comes white glue method Walt says first read former Free Flighter Woody Blanchard used white glue attach Micafllm RC Electric model subsequently de STAR KRAFT PO 1100 321 BOUNTIFUL UT 84010 0 cided try himself Flying blind brushed two coats Franklin Home Shop Craft Glue thinned 50-50 water around Out line stab new model set coveringiron dial about 11 oclock drew deep breath started ironing away said learned quickly use nose iron press Cov ering periphery rest iron out side framework doing otherwise would shrink film before attached edges framework Walt says elated results Furthermore says discovered white glue will also work well overlap joints such wing polyhedral joints like Couple brushed-on thinned Coats glue will allow Micafllm overlap itself beautifully also tes tifies wasnt necessary wait until glue Completely dry temperature iron jacked up bit Walt related overjoyed first white glue iron-on project phoned fel low modeler Jim Walston distributes Frank lin products stated Jim listened patiently stifled few yawns excitedly related newfound discoverythen Jim asked Walt tried brushing white glue undercam bered wing rib surfaces applying silk covering iron well One-upmanship strikes again Walt makes white glue methods sound good shall have have another shot especially Micafllm am personally still searching worlds greatest covering stickum films have used differ ent adhesives c&ering models last few years have keep logbook what used model Now suppose shall have start new column under White Glue Dope sheet have around modeling long have familiar bet ter brands aircraft dopes have made available modelers over years such brand has weathered well Randolph brand aircraft finishes As early teen would peddle bike down road small airport toting quart jar befriended airplane mechanic would fill brim clear nitrate dope 55-gallon drum Randolph small amount loose change Since Randolph has always catered full-scale aircraft market one-gallon container about smallest quantity has avail able modelers recent years fine thinners clear dopes can used up rather quickly gallon color dope nearly impossible use up model airplane purposesand quite expensive well Continued page 174 170 Model Aviation 17 DIFFERENT PLANS INCLUDING F-15F-le F-lBF-4 U-2A-e SPAE SHUTTLE 10 OTHERS ma StateZ p HOWW BB IMTDMAT SIJA NC 0 High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RC flight performance An efficient Proportional Electronic Throttle Control enhances MA-3s supercompact size weight eliminating additional battery servo switch Because operates sep arately fmm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery Xbltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components f mm overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 Volts/Amp FET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Csrrent580 Amps Dimensions l42x l16x 067 Weight 063 oz less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size fenite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller SetThe Standard jAIRTRONICS INC Autry Irvine CA 92718714 830-8769 information about Airtmnics quality products please call write address above *Not compatible PCM Receivers FF Duration/Murphy Continued page 170 Jim Correll under ABC Hobby Shop logo Clarksville IN has remedied problem making Randolph dopes available smaller quantities s pints quarts Pricing reasonable offers clear nitrate buty rate dope thinner retarders sanding seal ers well 23 colors butyrate Send him SASE free color chart complete price listing Thats ABC Hobby Supplies PO Box 2391 Clarksville IN 47131or phone 1812/944-5557 Jim modeler himself fully understands finishing problems Tell him Duration set onto him NosGas stay As far columnist concerned Old-Timers Nostalgia Gas just much part active Free Flight scene AMA FAI activities launch radio control lines put stop watch its Duration book six NosGas events drew 197 total event en tries June NFFS/USOC event tallying 62 contestants Bob Watson logged over 17 mm best other 61 total also bested AMA Gas-winning score well Other NosGas entry totals AA25 A42 B3 1 C25 unofficial NosGas Igni tion event12 sure indication fliers seeking low-tech competitionevent alternatives FAI AMA Schnuerle powered-missile multifunction-gadgetry events say technology popular simple machine also has its place Free Flight Apparently NosGas isnt about sit back com placently five official events spe cial event now endorses caught discus sion recent WMC Potter newsletter ef fect may interest brewing early-FAI Power event John Lenderman Bob Stalick extended bait idea resurrecting FAI Power models still storage photo Jack Hamiltons Gastove local-area popularity Jerry Nolins Happy Days indicators vintage FAI Gas jobs hold interest some John Bobs idea permit models com pete other used prior day cold fuel became rule January 1970 before models became technical-andgadgetry monsters would put G15 Su pertigres K&B FAI black-cylinder Cox back use well Any takers Terry Rimert offered thought might look lumping vintage /2A B class Pan Am Payload designs single event carrying its appropriate number size weight dummy pilots some good-flying designs evolved Pan Am days Require ROG rule Pan Am stuff might fun thing once again Payload event attempted spe cial event AMA Nats couple years some five six years ago failed revive Maybe Terrys proposal has much merit Mull over next club meeting lets see what develops gumbanders turned thumbs down NosGas-type Rubber events onset NosGas movement stating Rubber models era unlike previous im mediately following Whether feel differ ently about now known writer Maybe time ask some questions again Meanwhile NosGas move Zeek chroniclesPart VI still have enough material make up about two epi sodes saga would like pause point present letter written life long friend gentleman has associate workplace over 30 years longstanding relationship has unconnected modeling shown interest kept insisting going get involved hobby someday have heard com ments before taken grain salt story involves A/B Zeek also answers some questions next nov ices might come what person gets out building flying model airplanes message gets through folks say Free Flight needs some fun events should go hang heads shame Although columnists often get mail seldom geta letter such says much between lines Let set stage Free Flight club meetings last May Les surprised showing up fin ished model A/B Zeek sported old blue-head Mccoy 19 done rather nice job considering first Free Flight Gassic previous modeling experience electric-powered RC Sailplane built RC boat showed up Wright Field June 4the second day Central Ohio Free Flight Clubs spring contest rest Les story dreading day weeks Id Zeek built months couldnt get up nerve fly test glided few times surprise went pretty well ad mittedly busted up little glided Continued page 176 174 Model Aviation r Mystery Products little-known facts about two well-known products should help take mystery out modeling projects FLEXA Ideal non-porous materials fiber glass Use sparingly plywood fiberglass dont use Zip-Kicker Results tremendous bonding power just wont vibrate loose no stronger formula available anywhere POLS ZATh Adheres plastic surface including Lexan other modern plastics Also glue canopies fogging Use couple drops just little Zip-Kickertm esellent results HE ~CY- / ADHESIVE SYsTEM POce Tech Californd USA backyard fence since repaired it ready again test under power felt go Wright Field contest get some experience already pre-entered NFFS/US Outdoor Champs held couple weeks Lawrenceville IL son-in-law arrived contest site about 1100 am. now decided going watch ran old friend Harry Murphy made go get plane said would probably would fly introduced some flying friends looked over plane commented about several strange novations said plane appeared legal flightworthy -Although extremely nervous did some thing irrational decided fly plane suggested put prop backwards some technical reasons did Harry helped get DT fuse correctly align tail section After having some trouble engine fi nally started Now really nervous un hooked battery got ready launch Zeek mind blank tossed plane air took off low half-circle right other contestants finally climbed little surprise gained altitude fast -As proudly watched fly several sec onds Harry asked set timer No Did light DT fuse No Meanwhile Zeek proudly roared higher higher way Harry commented large fuel tank thoughtfully filled very top Now Harry also panicked jumped motorbike told get car drive around outside field quickly headed downwind south took about 10 minutes get outside base around downwind fence get parked start looking plane spotted Harry riding towards motorbike stopped temporarily stuck something finally got going again rode up fence noticed gotten mud over pants told plane OK gotten stuck mud plane run out gas stalled badly came down pretty quickly got lost going back ended up taking lap around base About 15 minutes later got back plane OK Harry going have cleanine bill Harry said planes CO right move forward already holes got out tools moved engine ward about half-inch ready fly again Also Harry gave bigger prop stalled backwards another test flight think Harry may have lost some confidence because suggested move away cars little bit Several guys made sug gestions about launch wind light fuse start timer guy said seen guys forget otherbut both engine started lot quicker time tried light fuse wind off prop blew out lighter thought heck set timer away went upwind did couple twists timer shut engine off made few circles glide made nice three-point landing about quarter mile away Harry asked about fuse ex plained did work Another lesson gave piece clothesline rope keep burning light DT fuse can blow out ready flight number three put prop right way power set timer longer engine run started engine lit fuse let Zeek go noticed wind changed set off downwind again went pretty well again DT did work circled around headed other fliers Everyone started duck ing made another three-point landing middle contestants area No hurt ready flight four did everything right time flew greatstraight up high timer shut off 10 seconds Zeek circled down glided perfectly landed about 300 ards away DTd about six feet off ground shorten fuse ready flight five flight super flew high fast staying up forever praying OT pop up Shortly thereafter did pop Zeek fell gently ground made day guys congratulated good plane good flight felt like Free Flighter packed up called day watched Harry fly Pee Wee 30 brand-new some problems after two flights made some adjustments called timer got maximum flight thought would never come down get bike go about quarter-mile get Success could leave well enough alone Now expert decided make another flight did everything right sent up rolled over powered ground broken wing tip some nose damage resulted Well back reality guys said got initia tion got feet wet welcomed club wished good luck packed up quite confident before lot smarter experienced few hours earlier am looking forward next contest headed home 53-year-old Free Flight rookie Les Hallgarth June 4 1989 says doesnt thats about time See ya downwind P-51 B/Koutny Con finued page 78 flaws Though P-51H has flown racer boys prefer build warbird Cockpit panel drawn photocopied instruments pilot radio can added extra realism canopy can made thin 03mm acetate sheet heated frame before pressing shaped cockpit mold Flight trimming Check wing washout adjust necessary original model trimmed fly left-left re quired about s up elevator4 rudder bent slightly left As model turn ing left left wing should have little less washout right order crease its lift slightly Make sure thrust line 20 40 down 10 right Rubber original model flown vintage 1972 Pirelli subsequent edi tions have flown successfully Alfa Continued page 178 176 Model Aviation Stack f Immediate Slat paaaent ZEMOAH G-62 37 Cu In $26495 ZENOAN G-23 96 ZENOAM 038 $17896 SACHI 28 TCA 838000 SACHS 32 TCA 50 SACHS 37 CDI 00 SACIlS 37 TCA 00 SACHS 58 CDI 00 SACHO 58 TCA 00 JOo Me. ERCOUPEPLANS 02386 FULL KIT $23881 Jin Meaer TOMAHAWKPLANS $2386 FULL KIT 023888 Jim Meoser J3 KITTENPLANS $2886 FULL KIT $21886 FLORIO FLYER NIFTY-SO kit$9286 FLORIC FLYER40 kit 07186FF 80 kit 6 SUPER-FLEX Goline tobino /ft 38/0160050/03800 FLOATS 48114 stalenore $3186 complet kit $4786 10 WW1 WHEELS 6P1K Spring Starter 02486 PLANS supos STEARMAN lIdlGodfrey/$3886 1I3TAYLORCRAFTor1I3CuB NeIIU03881 MGA Painted Pilot Boats 1/4 so. WW1 WV12 Cit$1886 Servos H-402 42 $1295 World 518 leg. nodel $4486 Prop 11 since ER TOP FLITE OYNATHRUST 30% off US Osedro FUELTANKS180. $78633 0886 FIBERGLASS ARROW SHAFTS 6/18023 long 6 $1186 24 Hr Sorvios $286 p000g 80k Cheok MO JIM MESSERS QUALITY MODEL PRODUCTS Valley View Drive Box 43 AlIegany NY 14706
Edition: Model Aviation - 1989/10
Page Numbers: 74, 75, 170, 174, 176
NEWS FLASH Whereas detailed report pages upcoming issue please advised NFFS Free Flight Week held June 19-23 near Lawreneeville IL huge success Unofficially total 405 entrants representing 31 states Canada Most pre contest guesstimates topped around 250 contestants organizers little aghast say least tremendous turnout 165 folks attended Tuesday eveDale Mateer struggles L D Gas Rossi 61-powered Satellite 1000 preparation official flight Hes wearing ear plugsbut dont know whether deaden sound engine loud flashy CIA club shirt Zeeks come in sizes R popular Nostalgia Gas events Ohios Wright Field Bill Hale Floyd Miller have scaled-up 666-sq-in versions using OS Max Ill 35s power photo below find AMA District Ill Vice President Bob Brown 1 AMA President Don Lowe R surprise Marge Weisenbach presentation beautiful plaque memorializing 30 years outstanding performance AMA District Ill Contest Coordinator ning SAM 57 dinner represented sellout event Thursdays NFFS dinner meeting sold 190 tickets Event participation basic AMA events very good 91 entrants 86 Gas 75 P-30 Rubber being top attrac tions Flight times also quite high weather conditions perfect five days sunny skies winds light variable often nil no rain temper atures 80s Monday rose 90s Friday least five new AMA Category III records applied Payload C Gas Ornithopter both Class Class B Electric some special events saw substantial entry rosters such Pee Wee 30 drawing 35 competitors hand-held Catapult Glider 38 Embryo Endurance 25 SAM Society Antique ModelersEd Old-Timer events drew similar pleasing attend ance numbers 159 contestants sched uled three days competition last count Flying Aces Club contingent numbered 34 entries 74 Model Aviation Free Flight Duration Harry Murphy 3824 Oakwood Dlvd Aaderson IN 460 I 1-oursome ot ieee Wee 30 fliers have Basic Yellers L-R Steve Lont age 15 Joel Grasmeyer 16 Keith Vincent antique Krazy Karl Spielmaker ancient Mich igan Antique Modelers Club Grand Rapids Ml Joel later won Jr/Sr Pee Wee 30 big National Free Flight Society/US Outdoor Championships held Lawrenceville IL June its two-day schedule nent commentary affair Needless say marvelous week Free already talk about next year June 18-22 Flight participant put guys tentative date Mark calendars now stayed home really going Ill predict 500 attendees next time sorry after didnt get word year get Well much statistics An in-depth report word will forthcoming lots photos perti Silly Putty DT last column mentioned number reasons Free Flight dire need smokeless dethermalizers replace simple inexpensive lighted-fuse system especially small non-Gas models Well much surprise next issue Rick Pangells Max-Out newsletter included just such item first glance thought suggested DT sys tem someones idea spoof subject closer scan accompanying tes timonials creator Bill Gibbons indicated system may have some definite merit non-Gaspowered model useso basic principle involves pivoted fulcrum spring attached end pulls wire pawl attached other end through small trough filled Silly Putty Most toy stores sell containers Silly PuttyEd As spring pulls wire slowly through trough towards end travel release arm pops up free DT linejust mechanical DT fuel shutoff mechanism length DT run can set either adjusting tension spring changing distance wire pawl must travel through trough Silly Putty before release arm allowed pop up neat eh Bill has used system P-30s HandLaunched Gliders some years successes have included number wins US Free Flight Championships Taft CA accompa nying diagram shows typical installation HLG Bill recommends system stalled top wing putty trough dug about /6 deep reaching down finger reinforcement underneath wing panel Obviously prefer finger guard opposite inner wing panel installation will mirror image shown di agram Drill proper holes wing spac ings indicated DT line runs forward pop-up horizontal stabilizer along bottom fuselage point approximately two inches ahead leading edge wing Bill drills hole vertically through fuselage line small piece nylon tubing thus permit ting DT line proceed rearward atop fu selage wing tying line small rubberband turn hooked onto trigger end release arm Another nylon bushing cemented properly sized pivot hole Raise bushing slightly above upper surface wing permit free movement fulcrum lever BILL GIBBONS SILLY PUTTY D-T SYSTEM OT LINE HA ND LAUNCH GLIDER DIA HOLES \\J k5 RUBBER TPi ii 2 I RELEASE ARM PIVOT HOLE-\MAX-TIME POSITION 9 LI2 -PUTTY TROUGH 8 FINGER REINFORCEMENT LEVER rPAWL BUSHING PIVOT UNIT f--SPRING ANCHOR PIN picture really worth 1000 words few dozen well-chosen ones de scribing invention Murfs column month real mixture high-tech simplicity arm putty trough coated CyA glue wire pawl should trimmed clear bottom trough V32 Although too detailed original diagram fulcrum lever arm can fashioned various ways seems small piece brass sheet length brass tubing putty wire soldered gether would suffice 3A2-in-dia spring pin anchor holes wing lined short lengths aluminum tubing cemented place filed flush top bottom wings surfaces release arm nothing formed piece piano wire riding aluminum tubing pivot cemented securely top wing wire should release under lever arm putty wire about / %2 end trough rest instal lation rather self-explanatory Bill suggests flying field might wish run timer few times before flying putty will take light set after lying trough length time Also double-check DT time Silly Putty overly affected temperature may lose moisture pick up dust dirtfactors may cause putty wire move little slower through trough Adjusting spring tension changing start position putty wire trough recom mended corrections Changing Silly Putty has necessary date have Gibbons Silly Putty DT nutshellmaybe silly might seem firstCIltiluCd page 170 October 1989 75 Jack Hamilton Tulsa OK gorgeous Oliver Tiger 15 diesel-powered Gastove L Nostalgia Gas event placed 2nd Tulsa Glue Dobbers Annual 88 years Glue Dobber-sponsored meet will mark its 40th consecutive observancea record believed un equalled other US club As plane right Vitch vay dos go Duane Renkins Davis Diesel Development C02-ized Cox 020-powered delta pusher Built-up structure covered Mylar parachute drops out bottom dethermalizing Unique Catalog 14 BIGGER ever over 200 things have never seen before NEW Giant Telemaster NEW High-performance Electric Motors NEW Props accessories NEW Electric Airplanes worlds FASTEST electric plane NEW FAST boats NEW Steam boat NEW ORACOVER covering material NEW Helicopter NEW sailplanes NEW accessories Name Street Address City 0 BALSA WOOD EmIe set -7GLI DER PLANS 0 INEXPENSIVE VI0-EASY TO BUILD 0 FLYING MODELS 0 FAMOUS AIRCRAFT REPLICAS UBBER BAND HAND LAUNCH NUILII EACH UNIQUE FLYINGTO UNDER COMPLETR MOUFI FROM 1/16 SREUTSET OF7 PLANS BALSA 3/IA STICK BALSA SEND $750 PLUS USE LESS THAN ONE SHEET S ISO FOOTAGE Toll ANS ONE STII K PEE BUIIEI. I Springville CA 93265-0377 PS Charlie Neely eligible Until next time keep models out woods ticks off ankles FF Duration/Murphy Continued page 75 cover-up stuff As forewarned fi nal issue #35 Bill Bakers fine Okie Free Flight Flyer newsletter has now come gone flashbut some good information included have often passed tips about model covering re-covering thought article Walter Rozelle OFFFs swan song issue deserved relaying larger MA audience well article discusses using white glues ad hesive either silk films alternative conventional methods Walt suggests anyone still using age-old ritual predop ing frameworks followed soaking through paper silk thinner gain required ad hesive bond up date lat est model-covering techniques Applying tissue silkspan silk thinned white glue lieu nitrate/butyrate dopes particularly new personally have so-so success using white glues task Although finished covering bonded like crazy appearance suffered somewhat aom pared traditional doped-on methods Also re moving old covering real bear applied white glue Whether lack experience whatever gave up quickly returned known security aircraft dopes covering adhesive mother wouldnt let take favorite Teddy Bear first day school either ever Walter makes some interesting claims respect use white glue covering iron applying clear Micafllm says apparent disadvantage Micafllm small range exists between tem perature needed adhere film using Balsarite adhesive temperature required shrink film Another problem film will often creep periphery shrink open areas Balsarite bond does seem steadfast common solu tion situation has apply 3M 77 spray cement periphery model part apply Balsarite open-area frame work Now comes white glue method Walt says first read former Free Flighter Woody Blanchard used white glue attach Micafllm RC Electric model subsequently de STAR KRAFT PO 1100 321 BOUNTIFUL UT 84010 0 cided try himself Flying blind brushed two coats Franklin Home Shop Craft Glue thinned 50-50 water around Out line stab new model set coveringiron dial about 11 oclock drew deep breath started ironing away said learned quickly use nose iron press Cov ering periphery rest iron out side framework doing otherwise would shrink film before attached edges framework Walt says elated results Furthermore says discovered white glue will also work well overlap joints such wing polyhedral joints like Couple brushed-on thinned Coats glue will allow Micafllm overlap itself beautifully also tes tifies wasnt necessary wait until glue Completely dry temperature iron jacked up bit Walt related overjoyed first white glue iron-on project phoned fel low modeler Jim Walston distributes Frank lin products stated Jim listened patiently stifled few yawns excitedly related newfound discoverythen Jim asked Walt tried brushing white glue undercam bered wing rib surfaces applying silk covering iron well One-upmanship strikes again Walt makes white glue methods sound good shall have have another shot especially Micafllm am personally still searching worlds greatest covering stickum films have used differ ent adhesives c&ering models last few years have keep logbook what used model Now suppose shall have start new column under White Glue Dope sheet have around modeling long have familiar bet ter brands aircraft dopes have made available modelers over years such brand has weathered well Randolph brand aircraft finishes As early teen would peddle bike down road small airport toting quart jar befriended airplane mechanic would fill brim clear nitrate dope 55-gallon drum Randolph small amount loose change Since Randolph has always catered full-scale aircraft market one-gallon container about smallest quantity has avail able modelers recent years fine thinners clear dopes can used up rather quickly gallon color dope nearly impossible use up model airplane purposesand quite expensive well Continued page 174 170 Model Aviation 17 DIFFERENT PLANS INCLUDING F-15F-le F-lBF-4 U-2A-e SPAE SHUTTLE 10 OTHERS ma StateZ p HOWW BB IMTDMAT SIJA NC 0 High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RC flight performance An efficient Proportional Electronic Throttle Control enhances MA-3s supercompact size weight eliminating additional battery servo switch Because operates sep arately fmm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery Xbltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components f mm overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 Volts/Amp FET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Csrrent580 Amps Dimensions l42x l16x 067 Weight 063 oz less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size fenite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller SetThe Standard jAIRTRONICS INC Autry Irvine CA 92718714 830-8769 information about Airtmnics quality products please call write address above *Not compatible PCM Receivers FF Duration/Murphy Continued page 170 Jim Correll under ABC Hobby Shop logo Clarksville IN has remedied problem making Randolph dopes available smaller quantities s pints quarts Pricing reasonable offers clear nitrate buty rate dope thinner retarders sanding seal ers well 23 colors butyrate Send him SASE free color chart complete price listing Thats ABC Hobby Supplies PO Box 2391 Clarksville IN 47131or phone 1812/944-5557 Jim modeler himself fully understands finishing problems Tell him Duration set onto him NosGas stay As far columnist concerned Old-Timers Nostalgia Gas just much part active Free Flight scene AMA FAI activities launch radio control lines put stop watch its Duration book six NosGas events drew 197 total event en tries June NFFS/USOC event tallying 62 contestants Bob Watson logged over 17 mm best other 61 total also bested AMA Gas-winning score well Other NosGas entry totals AA25 A42 B3 1 C25 unofficial NosGas Igni tion event12 sure indication fliers seeking low-tech competitionevent alternatives FAI AMA Schnuerle powered-missile multifunction-gadgetry events say technology popular simple machine also has its place Free Flight Apparently NosGas isnt about sit back com placently five official events spe cial event now endorses caught discus sion recent WMC Potter newsletter ef fect may interest brewing early-FAI Power event John Lenderman Bob Stalick extended bait idea resurrecting FAI Power models still storage photo Jack Hamiltons Gastove local-area popularity Jerry Nolins Happy Days indicators vintage FAI Gas jobs hold interest some John Bobs idea permit models com pete other used prior day cold fuel became rule January 1970 before models became technical-andgadgetry monsters would put G15 Su pertigres K&B FAI black-cylinder Cox back use well Any takers Terry Rimert offered thought might look lumping vintage /2A B class Pan Am Payload designs single event carrying its appropriate number size weight dummy pilots some good-flying designs evolved Pan Am days Require ROG rule Pan Am stuff might fun thing once again Payload event attempted spe cial event AMA Nats couple years some five six years ago failed revive Maybe Terrys proposal has much merit Mull over next club meeting lets see what develops gumbanders turned thumbs down NosGas-type Rubber events onset NosGas movement stating Rubber models era unlike previous im mediately following Whether feel differ ently about now known writer Maybe time ask some questions again Meanwhile NosGas move Zeek chroniclesPart VI still have enough material make up about two epi sodes saga would like pause point present letter written life long friend gentleman has associate workplace over 30 years longstanding relationship has unconnected modeling shown interest kept insisting going get involved hobby someday have heard com ments before taken grain salt story involves A/B Zeek also answers some questions next nov ices might come what person gets out building flying model airplanes message gets through folks say Free Flight needs some fun events should go hang heads shame Although columnists often get mail seldom geta letter such says much between lines Let set stage Free Flight club meetings last May Les surprised showing up fin ished model A/B Zeek sported old blue-head Mccoy 19 done rather nice job considering first Free Flight Gassic previous modeling experience electric-powered RC Sailplane built RC boat showed up Wright Field June 4the second day Central Ohio Free Flight Clubs spring contest rest Les story dreading day weeks Id Zeek built months couldnt get up nerve fly test glided few times surprise went pretty well ad mittedly busted up little glided Continued page 176 174 Model Aviation r Mystery Products little-known facts about two well-known products should help take mystery out modeling projects FLEXA Ideal non-porous materials fiber glass Use sparingly plywood fiberglass dont use Zip-Kicker Results tremendous bonding power just wont vibrate loose no stronger formula available anywhere POLS ZATh Adheres plastic surface including Lexan other modern plastics Also glue canopies fogging Use couple drops just little Zip-Kickertm esellent results HE ~CY- / ADHESIVE SYsTEM POce Tech Californd USA backyard fence since repaired it ready again test under power felt go Wright Field contest get some experience already pre-entered NFFS/US Outdoor Champs held couple weeks Lawrenceville IL son-in-law arrived contest site about 1100 am. now decided going watch ran old friend Harry Murphy made go get plane said would probably would fly introduced some flying friends looked over plane commented about several strange novations said plane appeared legal flightworthy -Although extremely nervous did some thing irrational decided fly plane suggested put prop backwards some technical reasons did Harry helped get DT fuse correctly align tail section After having some trouble engine fi nally started Now really nervous un hooked battery got ready launch Zeek mind blank tossed plane air took off low half-circle right other contestants finally climbed little surprise gained altitude fast -As proudly watched fly several sec onds Harry asked set timer No Did light DT fuse No Meanwhile Zeek proudly roared higher higher way Harry commented large fuel tank thoughtfully filled very top Now Harry also panicked jumped motorbike told get car drive around outside field quickly headed downwind south took about 10 minutes get outside base around downwind fence get parked start looking plane spotted Harry riding towards motorbike stopped temporarily stuck something finally got going again rode up fence noticed gotten mud over pants told plane OK gotten stuck mud plane run out gas stalled badly came down pretty quickly got lost going back ended up taking lap around base About 15 minutes later got back plane OK Harry going have cleanine bill Harry said planes CO right move forward already holes got out tools moved engine ward about half-inch ready fly again Also Harry gave bigger prop stalled backwards another test flight think Harry may have lost some confidence because suggested move away cars little bit Several guys made sug gestions about launch wind light fuse start timer guy said seen guys forget otherbut both engine started lot quicker time tried light fuse wind off prop blew out lighter thought heck set timer away went upwind did couple twists timer shut engine off made few circles glide made nice three-point landing about quarter mile away Harry asked about fuse ex plained did work Another lesson gave piece clothesline rope keep burning light DT fuse can blow out ready flight number three put prop right way power set timer longer engine run started engine lit fuse let Zeek go noticed wind changed set off downwind again went pretty well again DT did work circled around headed other fliers Everyone started duck ing made another three-point landing middle contestants area No hurt ready flight four did everything right time flew greatstraight up high timer shut off 10 seconds Zeek circled down glided perfectly landed about 300 ards away DTd about six feet off ground shorten fuse ready flight five flight super flew high fast staying up forever praying OT pop up Shortly thereafter did pop Zeek fell gently ground made day guys congratulated good plane good flight felt like Free Flighter packed up called day watched Harry fly Pee Wee 30 brand-new some problems after two flights made some adjustments called timer got maximum flight thought would never come down get bike go about quarter-mile get Success could leave well enough alone Now expert decided make another flight did everything right sent up rolled over powered ground broken wing tip some nose damage resulted Well back reality guys said got initia tion got feet wet welcomed club wished good luck packed up quite confident before lot smarter experienced few hours earlier am looking forward next contest headed home 53-year-old Free Flight rookie Les Hallgarth June 4 1989 says doesnt thats about time See ya downwind P-51 B/Koutny Con finued page 78 flaws Though P-51H has flown racer boys prefer build warbird Cockpit panel drawn photocopied instruments pilot radio can added extra realism canopy can made thin 03mm acetate sheet heated frame before pressing shaped cockpit mold Flight trimming Check wing washout adjust necessary original model trimmed fly left-left re quired about s up elevator4 rudder bent slightly left As model turn ing left left wing should have little less washout right order crease its lift slightly Make sure thrust line 20 40 down 10 right Rubber original model flown vintage 1972 Pirelli subsequent edi tions have flown successfully Alfa Continued page 178 176 Model Aviation Stack f Immediate Slat paaaent ZEMOAH G-62 37 Cu In $26495 ZENOAN G-23 96 ZENOAM 038 $17896 SACHI 28 TCA 838000 SACHS 32 TCA 50 SACHS 37 CDI 00 SACIlS 37 TCA 00 SACHS 58 CDI 00 SACHO 58 TCA 00 JOo Me. ERCOUPEPLANS 02386 FULL KIT $23881 Jin Meaer TOMAHAWKPLANS $2386 FULL KIT 023888 Jim Meoser J3 KITTENPLANS $2886 FULL KIT $21886 FLORIO FLYER NIFTY-SO kit$9286 FLORIC FLYER40 kit 07186FF 80 kit 6 SUPER-FLEX Goline tobino /ft 38/0160050/03800 FLOATS 48114 stalenore $3186 complet kit $4786 10 WW1 WHEELS 6P1K Spring Starter 02486 PLANS supos STEARMAN lIdlGodfrey/$3886 1I3TAYLORCRAFTor1I3CuB NeIIU03881 MGA Painted Pilot Boats 1/4 so. WW1 WV12 Cit$1886 Servos H-402 42 $1295 World 518 leg. nodel $4486 Prop 11 since ER TOP FLITE OYNATHRUST 30% off US Osedro FUELTANKS180. $78633 0886 FIBERGLASS ARROW SHAFTS 6/18023 long 6 $1186 24 Hr Sorvios $286 p000g 80k Cheok MO JIM MESSERS QUALITY MODEL PRODUCTS Valley View Drive Box 43 AlIegany NY 14706
Edition: Model Aviation - 1989/10
Page Numbers: 74, 75, 170, 174, 176
NEWS FLASH Whereas detailed report pages upcoming issue please advised NFFS Free Flight Week held June 19-23 near Lawreneeville IL huge success Unofficially total 405 entrants representing 31 states Canada Most pre contest guesstimates topped around 250 contestants organizers little aghast say least tremendous turnout 165 folks attended Tuesday eveDale Mateer struggles L D Gas Rossi 61-powered Satellite 1000 preparation official flight Hes wearing ear plugsbut dont know whether deaden sound engine loud flashy CIA club shirt Zeeks come in sizes R popular Nostalgia Gas events Ohios Wright Field Bill Hale Floyd Miller have scaled-up 666-sq-in versions using OS Max Ill 35s power photo below find AMA District Ill Vice President Bob Brown 1 AMA President Don Lowe R surprise Marge Weisenbach presentation beautiful plaque memorializing 30 years outstanding performance AMA District Ill Contest Coordinator ning SAM 57 dinner represented sellout event Thursdays NFFS dinner meeting sold 190 tickets Event participation basic AMA events very good 91 entrants 86 Gas 75 P-30 Rubber being top attrac tions Flight times also quite high weather conditions perfect five days sunny skies winds light variable often nil no rain temper atures 80s Monday rose 90s Friday least five new AMA Category III records applied Payload C Gas Ornithopter both Class Class B Electric some special events saw substantial entry rosters such Pee Wee 30 drawing 35 competitors hand-held Catapult Glider 38 Embryo Endurance 25 SAM Society Antique ModelersEd Old-Timer events drew similar pleasing attend ance numbers 159 contestants sched uled three days competition last count Flying Aces Club contingent numbered 34 entries 74 Model Aviation Free Flight Duration Harry Murphy 3824 Oakwood Dlvd Aaderson IN 460 I 1-oursome ot ieee Wee 30 fliers have Basic Yellers L-R Steve Lont age 15 Joel Grasmeyer 16 Keith Vincent antique Krazy Karl Spielmaker ancient Mich igan Antique Modelers Club Grand Rapids Ml Joel later won Jr/Sr Pee Wee 30 big National Free Flight Society/US Outdoor Championships held Lawrenceville IL June its two-day schedule nent commentary affair Needless say marvelous week Free already talk about next year June 18-22 Flight participant put guys tentative date Mark calendars now stayed home really going Ill predict 500 attendees next time sorry after didnt get word year get Well much statistics An in-depth report word will forthcoming lots photos perti Silly Putty DT last column mentioned number reasons Free Flight dire need smokeless dethermalizers replace simple inexpensive lighted-fuse system especially small non-Gas models Well much surprise next issue Rick Pangells Max-Out newsletter included just such item first glance thought suggested DT sys tem someones idea spoof subject closer scan accompanying tes timonials creator Bill Gibbons indicated system may have some definite merit non-Gaspowered model useso basic principle involves pivoted fulcrum spring attached end pulls wire pawl attached other end through small trough filled Silly Putty Most toy stores sell containers Silly PuttyEd As spring pulls wire slowly through trough towards end travel release arm pops up free DT linejust mechanical DT fuel shutoff mechanism length DT run can set either adjusting tension spring changing distance wire pawl must travel through trough Silly Putty before release arm allowed pop up neat eh Bill has used system P-30s HandLaunched Gliders some years successes have included number wins US Free Flight Championships Taft CA accompa nying diagram shows typical installation HLG Bill recommends system stalled top wing putty trough dug about /6 deep reaching down finger reinforcement underneath wing panel Obviously prefer finger guard opposite inner wing panel installation will mirror image shown di agram Drill proper holes wing spac ings indicated DT line runs forward pop-up horizontal stabilizer along bottom fuselage point approximately two inches ahead leading edge wing Bill drills hole vertically through fuselage line small piece nylon tubing thus permit ting DT line proceed rearward atop fu selage wing tying line small rubberband turn hooked onto trigger end release arm Another nylon bushing cemented properly sized pivot hole Raise bushing slightly above upper surface wing permit free movement fulcrum lever BILL GIBBONS SILLY PUTTY D-T SYSTEM OT LINE HA ND LAUNCH GLIDER DIA HOLES \\J k5 RUBBER TPi ii 2 I RELEASE ARM PIVOT HOLE-\MAX-TIME POSITION 9 LI2 -PUTTY TROUGH 8 FINGER REINFORCEMENT LEVER rPAWL BUSHING PIVOT UNIT f--SPRING ANCHOR PIN picture really worth 1000 words few dozen well-chosen ones de scribing invention Murfs column month real mixture high-tech simplicity arm putty trough coated CyA glue wire pawl should trimmed clear bottom trough V32 Although too detailed original diagram fulcrum lever arm can fashioned various ways seems small piece brass sheet length brass tubing putty wire soldered gether would suffice 3A2-in-dia spring pin anchor holes wing lined short lengths aluminum tubing cemented place filed flush top bottom wings surfaces release arm nothing formed piece piano wire riding aluminum tubing pivot cemented securely top wing wire should release under lever arm putty wire about / %2 end trough rest instal lation rather self-explanatory Bill suggests flying field might wish run timer few times before flying putty will take light set after lying trough length time Also double-check DT time Silly Putty overly affected temperature may lose moisture pick up dust dirtfactors may cause putty wire move little slower through trough Adjusting spring tension changing start position putty wire trough recom mended corrections Changing Silly Putty has necessary date have Gibbons Silly Putty DT nutshellmaybe silly might seem firstCIltiluCd page 170 October 1989 75 Jack Hamilton Tulsa OK gorgeous Oliver Tiger 15 diesel-powered Gastove L Nostalgia Gas event placed 2nd Tulsa Glue Dobbers Annual 88 years Glue Dobber-sponsored meet will mark its 40th consecutive observancea record believed un equalled other US club As plane right Vitch vay dos go Duane Renkins Davis Diesel Development C02-ized Cox 020-powered delta pusher Built-up structure covered Mylar parachute drops out bottom dethermalizing Unique Catalog 14 BIGGER ever over 200 things have never seen before NEW Giant Telemaster NEW High-performance Electric Motors NEW Props accessories NEW Electric Airplanes worlds FASTEST electric plane NEW FAST boats NEW Steam boat NEW ORACOVER covering material NEW Helicopter NEW sailplanes NEW accessories Name Street Address City 0 BALSA WOOD EmIe set -7GLI DER PLANS 0 INEXPENSIVE VI0-EASY TO BUILD 0 FLYING MODELS 0 FAMOUS AIRCRAFT REPLICAS UBBER BAND HAND LAUNCH NUILII EACH UNIQUE FLYINGTO UNDER COMPLETR MOUFI FROM 1/16 SREUTSET OF7 PLANS BALSA 3/IA STICK BALSA SEND $750 PLUS USE LESS THAN ONE SHEET S ISO FOOTAGE Toll ANS ONE STII K PEE BUIIEI. I Springville CA 93265-0377 PS Charlie Neely eligible Until next time keep models out woods ticks off ankles FF Duration/Murphy Continued page 75 cover-up stuff As forewarned fi nal issue #35 Bill Bakers fine Okie Free Flight Flyer newsletter has now come gone flashbut some good information included have often passed tips about model covering re-covering thought article Walter Rozelle OFFFs swan song issue deserved relaying larger MA audience well article discusses using white glues ad hesive either silk films alternative conventional methods Walt suggests anyone still using age-old ritual predop ing frameworks followed soaking through paper silk thinner gain required ad hesive bond up date lat est model-covering techniques Applying tissue silkspan silk thinned white glue lieu nitrate/butyrate dopes particularly new personally have so-so success using white glues task Although finished covering bonded like crazy appearance suffered somewhat aom pared traditional doped-on methods Also re moving old covering real bear applied white glue Whether lack experience whatever gave up quickly returned known security aircraft dopes covering adhesive mother wouldnt let take favorite Teddy Bear first day school either ever Walter makes some interesting claims respect use white glue covering iron applying clear Micafllm says apparent disadvantage Micafllm small range exists between tem perature needed adhere film using Balsarite adhesive temperature required shrink film Another problem film will often creep periphery shrink open areas Balsarite bond does seem steadfast common solu tion situation has apply 3M 77 spray cement periphery model part apply Balsarite open-area frame work Now comes white glue method Walt says first read former Free Flighter Woody Blanchard used white glue attach Micafllm RC Electric model subsequently de STAR KRAFT PO 1100 321 BOUNTIFUL UT 84010 0 cided try himself Flying blind brushed two coats Franklin Home Shop Craft Glue thinned 50-50 water around Out line stab new model set coveringiron dial about 11 oclock drew deep breath started ironing away said learned quickly use nose iron press Cov ering periphery rest iron out side framework doing otherwise would shrink film before attached edges framework Walt says elated results Furthermore says discovered white glue will also work well overlap joints such wing polyhedral joints like Couple brushed-on thinned Coats glue will allow Micafllm overlap itself beautifully also tes tifies wasnt necessary wait until glue Completely dry temperature iron jacked up bit Walt related overjoyed first white glue iron-on project phoned fel low modeler Jim Walston distributes Frank lin products stated Jim listened patiently stifled few yawns excitedly related newfound discoverythen Jim asked Walt tried brushing white glue undercam bered wing rib surfaces applying silk covering iron well One-upmanship strikes again Walt makes white glue methods sound good shall have have another shot especially Micafllm am personally still searching worlds greatest covering stickum films have used differ ent adhesives c&ering models last few years have keep logbook what used model Now suppose shall have start new column under White Glue Dope sheet have around modeling long have familiar bet ter brands aircraft dopes have made available modelers over years such brand has weathered well Randolph brand aircraft finishes As early teen would peddle bike down road small airport toting quart jar befriended airplane mechanic would fill brim clear nitrate dope 55-gallon drum Randolph small amount loose change Since Randolph has always catered full-scale aircraft market one-gallon container about smallest quantity has avail able modelers recent years fine thinners clear dopes can used up rather quickly gallon color dope nearly impossible use up model airplane purposesand quite expensive well Continued page 174 170 Model Aviation 17 DIFFERENT PLANS INCLUDING F-15F-le F-lBF-4 U-2A-e SPAE SHUTTLE 10 OTHERS ma StateZ p HOWW BB IMTDMAT SIJA NC 0 High Speed Airtronics MA-3 electronic speed controller specially designed electric powered aircraft Solid state componentry design ensures instant throttle control response improved RC flight performance An efficient Proportional Electronic Throttle Control enhances MA-3s supercompact size weight eliminating additional battery servo switch Because operates sep arately fmm receiver MA-3 has greater flexibility integrated-type units can used variety aircraft MA-3 features Power MOS FET Amplifier Transistors low voltage loss convenient Battery Xbltage Regulator An Automatic Cut Off system reduces voltage elec tric motor whenever NiCd voltage decreases preset levels An advanced Heat Protected Amplifier interrupts current flow motor protect circuit components f mm overheating 96330 MA-3 Specifications Power Supply 4 Cell 48 7 Cell 84 Volt NiCd pack Voltage Loss 0006 Volts/Amp FET Current Ratings Continuous Maximum Current 148 Amps Instantaneous Maximum Csrrent580 Amps Dimensions l42x l16x 067 Weight 063 oz less switch connectors Continuous Current Rating 23 Amps cooling Intended Use Electric Powered Aircraft Adjustment Type Off-Position Trimmer Motor Size 280 540 Class Ferrite Motors Compatible Airtronics AM FM systems MA-3 speed controller accom modates 280 540 size fenite electric motors utilizing 4-7 cell battery packs Get high speed flight performance Airtronics MA-3 electronic speed controller SetThe Standard jAIRTRONICS INC Autry Irvine CA 92718714 830-8769 information about Airtmnics quality products please call write address above *Not compatible PCM Receivers FF Duration/Murphy Continued page 170 Jim Correll under ABC Hobby Shop logo Clarksville IN has remedied problem making Randolph dopes available smaller quantities s pints quarts Pricing reasonable offers clear nitrate buty rate dope thinner retarders sanding seal ers well 23 colors butyrate Send him SASE free color chart complete price listing Thats ABC Hobby Supplies PO Box 2391 Clarksville IN 47131or phone 1812/944-5557 Jim modeler himself fully understands finishing problems Tell him Duration set onto him NosGas stay As far columnist concerned Old-Timers Nostalgia Gas just much part active Free Flight scene AMA FAI activities launch radio control lines put stop watch its Duration book six NosGas events drew 197 total event en tries June NFFS/USOC event tallying 62 contestants Bob Watson logged over 17 mm best other 61 total also bested AMA Gas-winning score well Other NosGas entry totals AA25 A42 B3 1 C25 unofficial NosGas Igni tion event12 sure indication fliers seeking low-tech competitionevent alternatives FAI AMA Schnuerle powered-missile multifunction-gadgetry events say technology popular simple machine also has its place Free Flight Apparently NosGas isnt about sit back com placently five official events spe cial event now endorses caught discus sion recent WMC Potter newsletter ef fect may interest brewing early-FAI Power event John Lenderman Bob Stalick extended bait idea resurrecting FAI Power models still storage photo Jack Hamiltons Gastove local-area popularity Jerry Nolins Happy Days indicators vintage FAI Gas jobs hold interest some John Bobs idea permit models com pete other used prior day cold fuel became rule January 1970 before models became technical-andgadgetry monsters would put G15 Su pertigres K&B FAI black-cylinder Cox back use well Any takers Terry Rimert offered thought might look lumping vintage /2A B class Pan Am Payload designs single event carrying its appropriate number size weight dummy pilots some good-flying designs evolved Pan Am days Require ROG rule Pan Am stuff might fun thing once again Payload event attempted spe cial event AMA Nats couple years some five six years ago failed revive Maybe Terrys proposal has much merit Mull over next club meeting lets see what develops gumbanders turned thumbs down NosGas-type Rubber events onset NosGas movement stating Rubber models era unlike previous im mediately following Whether feel differ ently about now known writer Maybe time ask some questions again Meanwhile NosGas move Zeek chroniclesPart VI still have enough material make up about two epi sodes saga would like pause point present letter written life long friend gentleman has associate workplace over 30 years longstanding relationship has unconnected modeling shown interest kept insisting going get involved hobby someday have heard com ments before taken grain salt story involves A/B Zeek also answers some questions next nov ices might come what person gets out building flying model airplanes message gets through folks say Free Flight needs some fun events should go hang heads shame Although columnists often get mail seldom geta letter such says much between lines Let set stage Free Flight club meetings last May Les surprised showing up fin ished model A/B Zeek sported old blue-head Mccoy 19 done rather nice job considering first Free Flight Gassic previous modeling experience electric-powered RC Sailplane built RC boat showed up Wright Field June 4the second day Central Ohio Free Flight Clubs spring contest rest Les story dreading day weeks Id Zeek built months couldnt get up nerve fly test glided few times surprise went pretty well ad mittedly busted up little glided Continued page 176 174 Model Aviation r Mystery Products little-known facts about two well-known products should help take mystery out modeling projects FLEXA Ideal non-porous materials fiber glass Use sparingly plywood fiberglass dont use Zip-Kicker Results tremendous bonding power just wont vibrate loose no stronger formula available anywhere POLS ZATh Adheres plastic surface including Lexan other modern plastics Also glue canopies fogging Use couple drops just little Zip-Kickertm esellent results HE ~CY- / ADHESIVE SYsTEM POce Tech Californd USA backyard fence since repaired it ready again test under power felt go Wright Field contest get some experience already pre-entered NFFS/US Outdoor Champs held couple weeks Lawrenceville IL son-in-law arrived contest site about 1100 am. now decided going watch ran old friend Harry Murphy made go get plane said would probably would fly introduced some flying friends looked over plane commented about several strange novations said plane appeared legal flightworthy -Although extremely nervous did some thing irrational decided fly plane suggested put prop backwards some technical reasons did Harry helped get DT fuse correctly align tail section After having some trouble engine fi nally started Now really nervous un hooked battery got ready launch Zeek mind blank tossed plane air took off low half-circle right other contestants finally climbed little surprise gained altitude fast -As proudly watched fly several sec onds Harry asked set timer No Did light DT fuse No Meanwhile Zeek proudly roared higher higher way Harry commented large fuel tank thoughtfully filled very top Now Harry also panicked jumped motorbike told get car drive around outside field quickly headed downwind south took about 10 minutes get outside base around downwind fence get parked start looking plane spotted Harry riding towards motorbike stopped temporarily stuck something finally got going again rode up fence noticed gotten mud over pants told plane OK gotten stuck mud plane run out gas stalled badly came down pretty quickly got lost going back ended up taking lap around base About 15 minutes later got back plane OK Harry going have cleanine bill Harry said planes CO right move forward already holes got out tools moved engine ward about half-inch ready fly again Also Harry gave bigger prop stalled backwards another test flight think Harry may have lost some confidence because suggested move away cars little bit Several guys made sug gestions about launch wind light fuse start timer guy said seen guys forget otherbut both engine started lot quicker time tried light fuse wind off prop blew out lighter thought heck set timer away went upwind did couple twists timer shut engine off made few circles glide made nice three-point landing about quarter mile away Harry asked about fuse ex plained did work Another lesson gave piece clothesline rope keep burning light DT fuse can blow out ready flight number three put prop right way power set timer longer engine run started engine lit fuse let Zeek go noticed wind changed set off downwind again went pretty well again DT did work circled around headed other fliers Everyone started duck ing made another three-point landing middle contestants area No hurt ready flight four did everything right time flew greatstraight up high timer shut off 10 seconds Zeek circled down glided perfectly landed about 300 ards away DTd about six feet off ground shorten fuse ready flight five flight super flew high fast staying up forever praying OT pop up Shortly thereafter did pop Zeek fell gently ground made day guys congratulated good plane good flight felt like Free Flighter packed up called day watched Harry fly Pee Wee 30 brand-new some problems after two flights made some adjustments called timer got maximum flight thought would never come down get bike go about quarter-mile get Success could leave well enough alone Now expert decided make another flight did everything right sent up rolled over powered ground broken wing tip some nose damage resulted Well back reality guys said got initia tion got feet wet welcomed club wished good luck packed up quite confident before lot smarter experienced few hours earlier am looking forward next contest headed home 53-year-old Free Flight rookie Les Hallgarth June 4 1989 says doesnt thats about time See ya downwind P-51 B/Koutny Con finued page 78 flaws Though P-51H has flown racer boys prefer build warbird Cockpit panel drawn photocopied instruments pilot radio can added extra realism canopy can made thin 03mm acetate sheet heated frame before pressing shaped cockpit mold Flight trimming Check wing washout adjust necessary original model trimmed fly left-left re quired about s up elevator4 rudder bent slightly left As model turn ing left left wing should have little less washout right order crease its lift slightly Make sure thrust line 20 40 down 10 right Rubber original model flown vintage 1972 Pirelli subsequent edi tions have flown successfully Alfa Continued page 178 176 Model Aviation Stack f Immediate Slat paaaent ZEMOAH G-62 37 Cu In $26495 ZENOAN G-23 96 ZENOAM 038 $17896 SACHI 28 TCA 838000 SACHS 32 TCA 50 SACHS 37 CDI 00 SACIlS 37 TCA 00 SACHS 58 CDI 00 SACHO 58 TCA 00 JOo Me. 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