Control Line Aerobatics Ted Fancher LETS FLY Twister Are ready Yes Did break engine No aint ready others nature Stunt event demands proper care taken power plant Bill Werwage says engine about 90% ofa successful Stunt setup andyou wont get disagree him An engine doesnt perform predictably powerfully flight after flight will condemn carefully designed built trimmed Stunter also-ran status quickest way ensure dismal state affairs mistreat engine brand-new susceptible damage Step #1 read directions come engine built just might know about its proper operation ProStunt flying buddies proved myself Im such expert never felt necessary read directions thoughtfully supplied Merco Co 35 specified use castor oil lubricant Yours truly proceeded run same synthetic-oilbased fuel using Supertigre 46s eventually overheated Tom Dixon kind enough rebuild included another copy instructions incriminating instructions highlighted two morals story First read instructions engine choose second aware lapped-piston plainbearing engine opposed ringed piston ball-bearing-supported crankshaft will perform better better protected overheating damage run fuel containing pure castor oil lubricant bearing surfaces such engines significantly greater area produce friction therefore heat Synthetic oils break down actually vaporize temperature about 4500 5250 Once occurs lubrication ceases overheating gins same temperatures castor begins pick up oxygen molecules becomes thicker thus continues lubricate engine protects grossly overlean condition Unfortunately commercially avail able fuelsespecially available lower cost through RC-oriented mail order busi nessescontain primarily synthetic oil should avoided Take time shop fuel specifies castor oil Always run engine groundprefer ably solid mounting stand airplane OKfor half-hour until thoroughly familiar its characteristics certain wont overheat Use prop inch smaller diameter normal first few flights 9 x 6 perfect 35 40 Set needle quite rich first flight ensure adequate lubrication gradually lean out flight flight until engine shows no signs overheating Now can switch normal prop confidence arent going ruin expensive power plant foregoing important Dont muff OK Prior first flight should thorough preflight inspection bench-trim ship Heres set up worth noting very little change required after substantial flight testing Flaps elevators must checked simultaneous neutral misalignment will cause unequal turns Also check both flaps neutral same time Misalignment will cause ship bank towards elevator deflected direction away its deflected other direc tion Also check wing flaps warps because will same thing pushrods connected bellcrank-to-flap rod 3/4 pivot both ends flap-to-elevator rod Outermost hole both horns flap-to-elevator-deflection ratio thus Continued page 152 October 1987 65 Teds last two columns detailed mods Sig Twisternow lets go fly Billy Suarez White Bunny semi-Scale version Navys F4 Phantom Power isa Greenaway-tuned ST 60 Urtnowski photo Rob Nelson Clovis CA designed built Simplicity Stunter Wing has over 700 sq area power Merco 61 Tom Dixon Square sheet-balsa fuse lage RC engine mount foam wing make simple fast-building machine Bill Zimmer sent photo local flier Robert C Hazies Schaumburg IL Stunterit has Al Rabe-style wiggle-rudder Presenting Top Flite Jacket Look best flight line Top Elite RIC Pilots Jacket pay $15OOm $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue Raglan safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $15000 per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago llInois 60616 Bobs hint month concerns ability build model provide proper documenta tion static judging Sport Scale event through use plastic models threeviews available youre scratch-building trying modify kit represent partic ular model series aircraft may have trouble making formers etc right shape Bob suggests plastic models can put good use Note said plastic models plastic model idea use plastic model substitute nonexistent three-views second provide proper shape fuselage formers etc After assembling both kits set aside static judging use other model will cut up process providing former shapes second models cement fully set determine mark positions will want bulkheads flying model Using X-Acto razor saw cut halfway through side plastic models fuselage top bottom marked points Now insert piece heavy paper slot just made trace halfbulkhead scale model next step scaling bulkhead up size needed flying model producing other side bulkhead Con tinue process until have made bulkheads etc Je end result work should provide two things small pile cut up plastic wastebasket completed Sport Scale model should look exactly like plastic model presented proof scale static judging Profile model kits abundance full-bodied kits market Scale modelers choose though made RC specifically CL profile CL model kit becoming scarce time Cam Martin Virginia Beach VA tells us effort being made bring back limited quantities profile model kits Bearcat F4U-5 Corsair AD-6 Skyraider produced late Seventies J Robert Smurthwaite under GS name kits original ly produced subjects Navy Carrier Profile event sizes about 40-in wingspans good flight characteristics make excel lent models growing Profile Scale event effort point determine amount interest might exist among Control Line flieis future production profile model kits Because space limitations column will get particulars about effort except say Cam has volunteered gather data based questionnaire distributing will forward data J Robert Smurthwaite consid eration possible production kits interested possibility obtaining kits write J Campbell Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 copy questionnaire Modeler identified August 1987 column included picture great-looking Fokker DR-l Triplane flown 1973 Nats could recall builders name Nagio Forbes Glenview IL informs us builder/flier Calvin Shuniate Dixmoor IL Thanks Naglo update Please send correspondenceespecially photosrelating CL Scale Bill Boss 7706 269th Street New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 11 ie flaps go down 250 elevators go up 250 far common setup experiments Twister show no advantage alternative ratios however exper iment like learn effects setup results moderate control response coupled handle fourinch spacing between lines Almost com mercially available handles have setup nominally four inches models center-of-gravity set pre dicted inch forward sparsomewhat further forward plans showed Review comments August September issues CG placement using length ened tail youve chosen stock tail moment would still go least ard spar first flights ensure stability controllable giide Tail-heavy Stunters go light lines try come engine quits Beware tail-heavy first flights Down lead-out exited ard spar Up good rule thumb would have lead-outs always within r midpoint between inch aft CG Finetuning location should minimal during test flights few general rules lead-out location 1 must always aft CG 2 too far forward ship will light lines everywhere including level flight 3 too far aft ship will pull hard level flight get very light perhaps uncontrollable above 450 4 lead-outs can Continued page 154 152 Model Aviation r Jacket orders $250 shipping/handling Illinois redents add 6% sales tax Extra patci $200 have something care about. use best BLACK CGVETE 420 Babylon Rd Horsham Pa 19044 Electric Flight Solder terminal ON/OFF Controller coil available Lightweigtit 12 no S Adjottahie anlinhiog point2 month monoy S Solderieto terminal eacy hoohopha k goaran cc ON/OFF Controller $2495 Mo Powe Save ght 7/Very high effiolenny 006 V loca 20 Sloe 22o13n63 Ad 1100 chipping Cailfonola realdento add 6% Ton Kr41 Scud cheek uccey elder Ia Ogelec wilkHIGH SKY Jatabe canseoter3929 KANSAS StU9 other nnnoontorcSAN ore 0100 ovollohle GO CA 92104 Puzzled CALL MATTI Netlmetehuild Muttds III Ihuvtlinetim newhew 1 Complete 2 Semi-Assembled Iready 10 cover inandedl Call 9am -8pm EST 609-395-1672 Send prices Kits Engines accessories9 Muffs Model Building 1 Stsc&ten Drive CIulbmv NJ 03512 catalogs avaslable*3 Rate cards available free SASE 14-lax 9-1/2 also build Cars Boats 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dopt take word try some iudge yourselfPtces sobjoct change wthoct notte See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $3 00 MANUFACTURING CO Montezuma IA 50171 d individually trim out problems exist during inside outside turns built ounce tip weight proved too much profile-fuselage Stunter engine tank mounted outboard side fuselage has automatic tip weight built removed quarter-ounce during trimming suggest start no se 10 x 6 prop 35 40 Remember inch tmaller arent using proven engine Select plastic metal spinner depending whether CG needs shifting spinner deadweight just like lead looks lot better should definitely use muffler best Stunter world worthless get thrown off flying field being too noisy Set adjustable tank about ve centerline engine will compen sate tendency engine go rich outside maneuvers idiosyncrasy sidemounted engines predictable Bob Gieseke winning Nats Open new set 60-ft control lines measure sure properly labeled sometimes arent Attach plane handle using scissors-type connectors now avallable both Pylon Perfect dont recommend slide-connector types tend weaken will occasion ally open up flight Occasionally far too often Give reasonable pull test entire system assure everything staying put Give special attention crimping securitytube line-end eyelets As skills increase youre going want learn handwrap eyelets soft copper wire ensure against possible damage lines crimping can cause would hidden crimped tube itself now pull test before flight should assure sound last important check prior first flight tighten anything can get fingers Set aside few moments just operation Prop nut spinner engine bolts muffler bolts muffler pressure tap installed fuel tubing landing gear clips wheel collars control horn mounts pushrod keepers Heres hint Make bends pushrods away center flight circle should lose pushrod keeper centrifugal force will likely save bacon Assure wing-tip-mounted lead-out tubes secure tighten adjust able features handle arent designed inflight adjustment OK now can blast off First flights should limited cautious investigation fundamentals wings fly level both upright inverted Get some body outside circle check very critical Best place check upwind side circle tip weight excessive will show wind consistently lowering outside wing condition will vice versa insufficient weight installed wing up youre flying way down flying other either have warp flaps aligned other Improper tip weight warp would indicated wing out-of-level flying dlrection flying other would require combination cures based severity difference case eliminate warp first attack tip weight adjustments should also equalize line tension both upright inverted An airplane banked toward pilot loses line tension may fly toward pilot given Up elevator Down elevator its flying inverted its condition careful helper evaluates whether wings level have him time laps both upright inverted example lap times 55 seconds upright 51 inverted will need adjust tank height out case tank would have lowered Con tinue check lap times subsequent flights until equal turning upright inverted back youll getting feel ship turns stable opted longer tail moment probably pleasantly surprised maneuverableyet stablethe longer Twister Just stable well illus trated another story myself first flight controls started feel funny shortly after takeoff found no control thoughts starting whole series over again danced through head little old Twister just continued circulate round round until fuel ran out made firm safe landing its own turned out fancy circular bellcrank ingested burr some sort bearing frozen fortunately neutral Now thats stable models response controls can adjusted addltion nose tail weight changing line-spacing control handle good rule move CG aft tiny bit time until notice airplane beginning feel loose lines engine quits Move CG forward regain good control giide make further change response rate increasing decreasing handle spacing Continued page 156 154 Model Aviation 00 DGA Designs Designs 00 DGA Designs eg DGA Designs . DG Designs 0 *DARNED GOOD AIRMEN Lightest weight Pilots Available .. 0 * FULL BODY PILOT KIT Lifehke Vinyl latex l-obbe paos A Easy assemble finish Kit contains Pilot head hands boots helmet0 cap goggles h411 templates easy instnactions Fully positionable too.0 Height- Weight- NEW Low Proes- .k.k0 l NO206 .1/5 Scale 11c 2020 No205 /5 Scale 14a 302g59 1A%lI No 204 -1/4 Scale 17a 4 oz s ei Y13Y No203 13 Scale 23 6oz sip SPORTSMAS 0 BRNSTOHIER FULi sooY o OUST R/C Model IIAircraft need *BUST PILOT KIT Lilegie oo4 gIgs lobOll goi.Good Pilots.0 Kit contaIns PIot head nelmei spoIl Cap goggles 004 Jacket. Easy assesIbleandfihish. Height- Weight- Low PriO80 OScale 310 3 Ooa S 595 C Ne lOt- thScale3-811407Sqh*sameat 4NolOol Nt 04 cale43 811 Ppz7h NO 03 hale S34 2lgOas1499simple sewIng5 Aetassetdittg realign4reqaireda attainable pSetielea 0 Oce tO the, eatrertle light Weight 00 CompEted full body o clot0 ho-ts Wll haoe lIttle Orb cIted baled0 COol aIrcIafl0 ,t0 Send sl0O Catalog a New Slit State AesacIlts add Ph sales tas. Send Check MO.coosAllow 3 weeks tot Check clear DGA Designs OS DA @ DGA Designs flying outside corners profile dont surprised engine richens abruptly first corner common sidemounted engines generally will clear out after first corner can minimize flying first corner outside squares little soft starting little high might lose couple points such entry prevents engine loading up slowing down ship will points well spent overall maneuver Schnuerle-ported engine such OS PP series exhibits less tendency standard-ported engines such Merco Fox point should find yourself profile flying pretty well Obviously whole lot trimming could cover herea lot covered back 1985 series six columns began May issue new readers out would like copies further refine trimming knowledge Id happy send set 9 x 12-in manila envelope return address about four 22-cent stamps sent address end article will assure theyre yours Oh does Twister II fly ask Just great flew over 500 points local contest drew favorable comments about its ability fly like real Stunter Yeah does Plus its easy fly whole lot fun enjoyed Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Combat/Johnson Continued page 66 Henry also reports no trouble running castor-oil-based fuel recommends using UCON oil comparable synthetic oil test flying order retard buildup carbon engine Nelsons last line says F2D remalns same event Nelson users least FAST Henry Nelson may reached RD 2 Box 233 Ramsey Rd Zelienople PA 16063 believe current price Nelson F2D Combat Special including legal 4mm venturi around $175 engine handfitted Henry Nelson test run make sure up standard Henrys state-of-the-art machinery allows him hold such close toler ances rarely does anything need done engine anyway decide order engine engines sure knows 1 Exactly what purpose it/they will used 2 What percentage nitro will using 3 youll using 4mm venturi just flying exhibi tions stun crowd please use prop recommends wide-bladed 10 x 6 wish picture recent Bladder Grabber meet thatll have wait until next time Mike Petri placed third Money Meet undefeated through 11 rounds flyinguntil met meets CD Chuck Rudner Somehow Chuck beat red-hot Petri three straight took over $5000 Carver Corp stereo equipment stunned Petri settle second place mere $3000 Carver state-of-the-art goodies incredible contest century featured 63 entrants overthe USA Canada flying 200 matches during two-day Combat marathon Jim McFadden yeah hes Norms kid did commendable job running matches did Heather Hawley orga nized arranged everything big-time contests have really taken off recently can thank people like Heather Jim Howard Mary Lou Rushand espe cially Bob Carver donated over $10000 worth stereo equipment just because loves Combat people have done things rather grand scale workers local meets deserve pats back thanks Nationals Money Meet Bladder Grabber would never possible such dedicated people lets keep ball rolling see maybe Bladder Grabber 13 breaks 100-contestant mark pictures shows Fox15 lots extra plumbing hooked subject test see what would happen fuel line routed different ways giant fuel filter stuck its middle line filter run far enough inboard side model will cause engine sag tight maneuvers though addition ofafilterto aplan&s fuel system will smooth Out needle valve setting little bit found filter much capacity let engine merely bleed down rather stop quickly Such situation could cause few agonizing moments pilot middle match since couldnt leave pilots circle because engine still runningalthough very low power level Removing large filter produced quick en gine stops instead bleed-down moral story keep small quantity fuel inboard needle valve spray bar possible admonition includes size placement fuel filter points use smallinside-diameter fuel line biggest improvement can make engine still using either conventional spray bar two-piece bodyand-metering jet setup venturi addition remotely mounted 05 10 needle valve assembly Youll notice Fox 15 picture Sullivan Products control line clip used mount OS needle valve assembly has proved effective method mounting trick mounts have seenand its very inexpensive Adding 05 10 needle valve assembly best thing can engine run using bladder tankjust sure use filter between bladder needle valve never between needle valve venturi Youll need remove engines standard spray bar replace Fox K&B jet Jim Jack doesnt use jet system just sticks fuel tube coming remote needle valve assembly hole side venturi jet should have screwed Before screw needle valve body remote-needle system place short length fuel line tubingover threads act seal pressurized fuel piece about tn long enough Check system leaks engine running Youd surprised much fuel can blow past unsealed assemblies Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Navy Carrier Continued page 67 No tools required beyond found modelers workshops Dremel tool something similar greatly speeds work Car bide bits cutoff wheels work well forming Continued page 162 156 Model Aviation Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $ 595 Kwik Set 6 MinutelOoz $ 995 Giant Kwik Set 6 Minute1602 $1395 Half FastlOMinutelOoz$ 895 GMP AIRCRAFT INSTRUMENTS 80in3/16114318112$ 149 40in3/4andoneincl$ 149 EASY OFF PULLER proper tool removing drive washeraand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 aef dler order dkoct Post odd $150
Edition: Model Aviation - 1987/10
Page Numbers: 65, 152, 154, 156
Edition: Model Aviation - 1987/10
Page Numbers: 65, 152, 154, 156
Control Line Aerobatics Ted Fancher LETS FLY Twister Are ready Yes Did break engine No aint ready others nature Stunt event demands proper care taken power plant Bill Werwage says engine about 90% ofa successful Stunt setup andyou wont get disagree him An engine doesnt perform predictably powerfully flight after flight will condemn carefully designed built trimmed Stunter also-ran status quickest way ensure dismal state affairs mistreat engine brand-new susceptible damage Step #1 read directions come engine built just might know about its proper operation ProStunt flying buddies proved myself Im such expert never felt necessary read directions thoughtfully supplied Merco Co 35 specified use castor oil lubricant Yours truly proceeded run same synthetic-oilbased fuel using Supertigre 46s eventually overheated Tom Dixon kind enough rebuild included another copy instructions incriminating instructions highlighted two morals story First read instructions engine choose second aware lapped-piston plainbearing engine opposed ringed piston ball-bearing-supported crankshaft will perform better better protected overheating damage run fuel containing pure castor oil lubricant bearing surfaces such engines significantly greater area produce friction therefore heat Synthetic oils break down actually vaporize temperature about 4500 5250 Once occurs lubrication ceases overheating gins same temperatures castor begins pick up oxygen molecules becomes thicker thus continues lubricate engine protects grossly overlean condition Unfortunately commercially avail able fuelsespecially available lower cost through RC-oriented mail order busi nessescontain primarily synthetic oil should avoided Take time shop fuel specifies castor oil Always run engine groundprefer ably solid mounting stand airplane OKfor half-hour until thoroughly familiar its characteristics certain wont overheat Use prop inch smaller diameter normal first few flights 9 x 6 perfect 35 40 Set needle quite rich first flight ensure adequate lubrication gradually lean out flight flight until engine shows no signs overheating Now can switch normal prop confidence arent going ruin expensive power plant foregoing important Dont muff OK Prior first flight should thorough preflight inspection bench-trim ship Heres set up worth noting very little change required after substantial flight testing Flaps elevators must checked simultaneous neutral misalignment will cause unequal turns Also check both flaps neutral same time Misalignment will cause ship bank towards elevator deflected direction away its deflected other direc tion Also check wing flaps warps because will same thing pushrods connected bellcrank-to-flap rod 3/4 pivot both ends flap-to-elevator rod Outermost hole both horns flap-to-elevator-deflection ratio thus Continued page 152 October 1987 65 Teds last two columns detailed mods Sig Twisternow lets go fly Billy Suarez White Bunny semi-Scale version Navys F4 Phantom Power isa Greenaway-tuned ST 60 Urtnowski photo Rob Nelson Clovis CA designed built Simplicity Stunter Wing has over 700 sq area power Merco 61 Tom Dixon Square sheet-balsa fuse lage RC engine mount foam wing make simple fast-building machine Bill Zimmer sent photo local flier Robert C Hazies Schaumburg IL Stunterit has Al Rabe-style wiggle-rudder Presenting Top Flite Jacket Look best flight line Top Elite RIC Pilots Jacket pay $15OOm $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue Raglan safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $15000 per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago llInois 60616 Bobs hint month concerns ability build model provide proper documenta tion static judging Sport Scale event through use plastic models threeviews available youre scratch-building trying modify kit represent partic ular model series aircraft may have trouble making formers etc right shape Bob suggests plastic models can put good use Note said plastic models plastic model idea use plastic model substitute nonexistent three-views second provide proper shape fuselage formers etc After assembling both kits set aside static judging use other model will cut up process providing former shapes second models cement fully set determine mark positions will want bulkheads flying model Using X-Acto razor saw cut halfway through side plastic models fuselage top bottom marked points Now insert piece heavy paper slot just made trace halfbulkhead scale model next step scaling bulkhead up size needed flying model producing other side bulkhead Con tinue process until have made bulkheads etc Je end result work should provide two things small pile cut up plastic wastebasket completed Sport Scale model should look exactly like plastic model presented proof scale static judging Profile model kits abundance full-bodied kits market Scale modelers choose though made RC specifically CL profile CL model kit becoming scarce time Cam Martin Virginia Beach VA tells us effort being made bring back limited quantities profile model kits Bearcat F4U-5 Corsair AD-6 Skyraider produced late Seventies J Robert Smurthwaite under GS name kits original ly produced subjects Navy Carrier Profile event sizes about 40-in wingspans good flight characteristics make excel lent models growing Profile Scale event effort point determine amount interest might exist among Control Line flieis future production profile model kits Because space limitations column will get particulars about effort except say Cam has volunteered gather data based questionnaire distributing will forward data J Robert Smurthwaite consid eration possible production kits interested possibility obtaining kits write J Campbell Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 copy questionnaire Modeler identified August 1987 column included picture great-looking Fokker DR-l Triplane flown 1973 Nats could recall builders name Nagio Forbes Glenview IL informs us builder/flier Calvin Shuniate Dixmoor IL Thanks Naglo update Please send correspondenceespecially photosrelating CL Scale Bill Boss 7706 269th Street New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 11 ie flaps go down 250 elevators go up 250 far common setup experiments Twister show no advantage alternative ratios however exper iment like learn effects setup results moderate control response coupled handle fourinch spacing between lines Almost com mercially available handles have setup nominally four inches models center-of-gravity set pre dicted inch forward sparsomewhat further forward plans showed Review comments August September issues CG placement using length ened tail youve chosen stock tail moment would still go least ard spar first flights ensure stability controllable giide Tail-heavy Stunters go light lines try come engine quits Beware tail-heavy first flights Down lead-out exited ard spar Up good rule thumb would have lead-outs always within r midpoint between inch aft CG Finetuning location should minimal during test flights few general rules lead-out location 1 must always aft CG 2 too far forward ship will light lines everywhere including level flight 3 too far aft ship will pull hard level flight get very light perhaps uncontrollable above 450 4 lead-outs can Continued page 154 152 Model Aviation r Jacket orders $250 shipping/handling Illinois redents add 6% sales tax Extra patci $200 have something care about. use best BLACK CGVETE 420 Babylon Rd Horsham Pa 19044 Electric Flight Solder terminal ON/OFF Controller coil available Lightweigtit 12 no S Adjottahie anlinhiog point2 month monoy S Solderieto terminal eacy hoohopha k goaran cc ON/OFF Controller $2495 Mo Powe Save ght 7/Very high effiolenny 006 V loca 20 Sloe 22o13n63 Ad 1100 chipping Cailfonola realdento add 6% Ton Kr41 Scud cheek uccey elder Ia Ogelec wilkHIGH SKY Jatabe canseoter3929 KANSAS StU9 other nnnoontorcSAN ore 0100 ovollohle GO CA 92104 Puzzled CALL MATTI Netlmetehuild Muttds III Ihuvtlinetim newhew 1 Complete 2 Semi-Assembled Iready 10 cover inandedl Call 9am -8pm EST 609-395-1672 Send prices Kits Engines accessories9 Muffs Model Building 1 Stsc&ten Drive CIulbmv NJ 03512 catalogs avaslable*3 Rate cards available free SASE 14-lax 9-1/2 also build Cars Boats 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dopt take word try some iudge yourselfPtces sobjoct change wthoct notte See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $3 00 MANUFACTURING CO Montezuma IA 50171 d individually trim out problems exist during inside outside turns built ounce tip weight proved too much profile-fuselage Stunter engine tank mounted outboard side fuselage has automatic tip weight built removed quarter-ounce during trimming suggest start no se 10 x 6 prop 35 40 Remember inch tmaller arent using proven engine Select plastic metal spinner depending whether CG needs shifting spinner deadweight just like lead looks lot better should definitely use muffler best Stunter world worthless get thrown off flying field being too noisy Set adjustable tank about ve centerline engine will compen sate tendency engine go rich outside maneuvers idiosyncrasy sidemounted engines predictable Bob Gieseke winning Nats Open new set 60-ft control lines measure sure properly labeled sometimes arent Attach plane handle using scissors-type connectors now avallable both Pylon Perfect dont recommend slide-connector types tend weaken will occasion ally open up flight Occasionally far too often Give reasonable pull test entire system assure everything staying put Give special attention crimping securitytube line-end eyelets As skills increase youre going want learn handwrap eyelets soft copper wire ensure against possible damage lines crimping can cause would hidden crimped tube itself now pull test before flight should assure sound last important check prior first flight tighten anything can get fingers Set aside few moments just operation Prop nut spinner engine bolts muffler bolts muffler pressure tap installed fuel tubing landing gear clips wheel collars control horn mounts pushrod keepers Heres hint Make bends pushrods away center flight circle should lose pushrod keeper centrifugal force will likely save bacon Assure wing-tip-mounted lead-out tubes secure tighten adjust able features handle arent designed inflight adjustment OK now can blast off First flights should limited cautious investigation fundamentals wings fly level both upright inverted Get some body outside circle check very critical Best place check upwind side circle tip weight excessive will show wind consistently lowering outside wing condition will vice versa insufficient weight installed wing up youre flying way down flying other either have warp flaps aligned other Improper tip weight warp would indicated wing out-of-level flying dlrection flying other would require combination cures based severity difference case eliminate warp first attack tip weight adjustments should also equalize line tension both upright inverted An airplane banked toward pilot loses line tension may fly toward pilot given Up elevator Down elevator its flying inverted its condition careful helper evaluates whether wings level have him time laps both upright inverted example lap times 55 seconds upright 51 inverted will need adjust tank height out case tank would have lowered Con tinue check lap times subsequent flights until equal turning upright inverted back youll getting feel ship turns stable opted longer tail moment probably pleasantly surprised maneuverableyet stablethe longer Twister Just stable well illus trated another story myself first flight controls started feel funny shortly after takeoff found no control thoughts starting whole series over again danced through head little old Twister just continued circulate round round until fuel ran out made firm safe landing its own turned out fancy circular bellcrank ingested burr some sort bearing frozen fortunately neutral Now thats stable models response controls can adjusted addltion nose tail weight changing line-spacing control handle good rule move CG aft tiny bit time until notice airplane beginning feel loose lines engine quits Move CG forward regain good control giide make further change response rate increasing decreasing handle spacing Continued page 156 154 Model Aviation 00 DGA Designs Designs 00 DGA Designs eg DGA Designs . DG Designs 0 *DARNED GOOD AIRMEN Lightest weight Pilots Available .. 0 * FULL BODY PILOT KIT Lifehke Vinyl latex l-obbe paos A Easy assemble finish Kit contains Pilot head hands boots helmet0 cap goggles h411 templates easy instnactions Fully positionable too.0 Height- Weight- NEW Low Proes- .k.k0 l NO206 .1/5 Scale 11c 2020 No205 /5 Scale 14a 302g59 1A%lI No 204 -1/4 Scale 17a 4 oz s ei Y13Y No203 13 Scale 23 6oz sip SPORTSMAS 0 BRNSTOHIER FULi sooY o OUST R/C Model IIAircraft need *BUST PILOT KIT Lilegie oo4 gIgs lobOll goi.Good Pilots.0 Kit contaIns PIot head nelmei spoIl Cap goggles 004 Jacket. Easy assesIbleandfihish. Height- Weight- Low PriO80 OScale 310 3 Ooa S 595 C Ne lOt- thScale3-811407Sqh*sameat 4NolOol Nt 04 cale43 811 Ppz7h NO 03 hale S34 2lgOas1499simple sewIng5 Aetassetdittg realign4reqaireda attainable pSetielea 0 Oce tO the, eatrertle light Weight 00 CompEted full body o clot0 ho-ts Wll haoe lIttle Orb cIted baled0 COol aIrcIafl0 ,t0 Send sl0O Catalog a New Slit State AesacIlts add Ph sales tas. Send Check MO.coosAllow 3 weeks tot Check clear DGA Designs OS DA @ DGA Designs flying outside corners profile dont surprised engine richens abruptly first corner common sidemounted engines generally will clear out after first corner can minimize flying first corner outside squares little soft starting little high might lose couple points such entry prevents engine loading up slowing down ship will points well spent overall maneuver Schnuerle-ported engine such OS PP series exhibits less tendency standard-ported engines such Merco Fox point should find yourself profile flying pretty well Obviously whole lot trimming could cover herea lot covered back 1985 series six columns began May issue new readers out would like copies further refine trimming knowledge Id happy send set 9 x 12-in manila envelope return address about four 22-cent stamps sent address end article will assure theyre yours Oh does Twister II fly ask Just great flew over 500 points local contest drew favorable comments about its ability fly like real Stunter Yeah does Plus its easy fly whole lot fun enjoyed Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Combat/Johnson Continued page 66 Henry also reports no trouble running castor-oil-based fuel recommends using UCON oil comparable synthetic oil test flying order retard buildup carbon engine Nelsons last line says F2D remalns same event Nelson users least FAST Henry Nelson may reached RD 2 Box 233 Ramsey Rd Zelienople PA 16063 believe current price Nelson F2D Combat Special including legal 4mm venturi around $175 engine handfitted Henry Nelson test run make sure up standard Henrys state-of-the-art machinery allows him hold such close toler ances rarely does anything need done engine anyway decide order engine engines sure knows 1 Exactly what purpose it/they will used 2 What percentage nitro will using 3 youll using 4mm venturi just flying exhibi tions stun crowd please use prop recommends wide-bladed 10 x 6 wish picture recent Bladder Grabber meet thatll have wait until next time Mike Petri placed third Money Meet undefeated through 11 rounds flyinguntil met meets CD Chuck Rudner Somehow Chuck beat red-hot Petri three straight took over $5000 Carver Corp stereo equipment stunned Petri settle second place mere $3000 Carver state-of-the-art goodies incredible contest century featured 63 entrants overthe USA Canada flying 200 matches during two-day Combat marathon Jim McFadden yeah hes Norms kid did commendable job running matches did Heather Hawley orga nized arranged everything big-time contests have really taken off recently can thank people like Heather Jim Howard Mary Lou Rushand espe cially Bob Carver donated over $10000 worth stereo equipment just because loves Combat people have done things rather grand scale workers local meets deserve pats back thanks Nationals Money Meet Bladder Grabber would never possible such dedicated people lets keep ball rolling see maybe Bladder Grabber 13 breaks 100-contestant mark pictures shows Fox15 lots extra plumbing hooked subject test see what would happen fuel line routed different ways giant fuel filter stuck its middle line filter run far enough inboard side model will cause engine sag tight maneuvers though addition ofafilterto aplan&s fuel system will smooth Out needle valve setting little bit found filter much capacity let engine merely bleed down rather stop quickly Such situation could cause few agonizing moments pilot middle match since couldnt leave pilots circle because engine still runningalthough very low power level Removing large filter produced quick en gine stops instead bleed-down moral story keep small quantity fuel inboard needle valve spray bar possible admonition includes size placement fuel filter points use smallinside-diameter fuel line biggest improvement can make engine still using either conventional spray bar two-piece bodyand-metering jet setup venturi addition remotely mounted 05 10 needle valve assembly Youll notice Fox 15 picture Sullivan Products control line clip used mount OS needle valve assembly has proved effective method mounting trick mounts have seenand its very inexpensive Adding 05 10 needle valve assembly best thing can engine run using bladder tankjust sure use filter between bladder needle valve never between needle valve venturi Youll need remove engines standard spray bar replace Fox K&B jet Jim Jack doesnt use jet system just sticks fuel tube coming remote needle valve assembly hole side venturi jet should have screwed Before screw needle valve body remote-needle system place short length fuel line tubingover threads act seal pressurized fuel piece about tn long enough Check system leaks engine running Youd surprised much fuel can blow past unsealed assemblies Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Navy Carrier Continued page 67 No tools required beyond found modelers workshops Dremel tool something similar greatly speeds work Car bide bits cutoff wheels work well forming Continued page 162 156 Model Aviation Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $ 595 Kwik Set 6 MinutelOoz $ 995 Giant Kwik Set 6 Minute1602 $1395 Half FastlOMinutelOoz$ 895 GMP AIRCRAFT INSTRUMENTS 80in3/16114318112$ 149 40in3/4andoneincl$ 149 EASY OFF PULLER proper tool removing drive washeraand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 aef dler order dkoct Post odd $150
Edition: Model Aviation - 1987/10
Page Numbers: 65, 152, 154, 156
Control Line Aerobatics Ted Fancher LETS FLY Twister Are ready Yes Did break engine No aint ready others nature Stunt event demands proper care taken power plant Bill Werwage says engine about 90% ofa successful Stunt setup andyou wont get disagree him An engine doesnt perform predictably powerfully flight after flight will condemn carefully designed built trimmed Stunter also-ran status quickest way ensure dismal state affairs mistreat engine brand-new susceptible damage Step #1 read directions come engine built just might know about its proper operation ProStunt flying buddies proved myself Im such expert never felt necessary read directions thoughtfully supplied Merco Co 35 specified use castor oil lubricant Yours truly proceeded run same synthetic-oilbased fuel using Supertigre 46s eventually overheated Tom Dixon kind enough rebuild included another copy instructions incriminating instructions highlighted two morals story First read instructions engine choose second aware lapped-piston plainbearing engine opposed ringed piston ball-bearing-supported crankshaft will perform better better protected overheating damage run fuel containing pure castor oil lubricant bearing surfaces such engines significantly greater area produce friction therefore heat Synthetic oils break down actually vaporize temperature about 4500 5250 Once occurs lubrication ceases overheating gins same temperatures castor begins pick up oxygen molecules becomes thicker thus continues lubricate engine protects grossly overlean condition Unfortunately commercially avail able fuelsespecially available lower cost through RC-oriented mail order busi nessescontain primarily synthetic oil should avoided Take time shop fuel specifies castor oil Always run engine groundprefer ably solid mounting stand airplane OKfor half-hour until thoroughly familiar its characteristics certain wont overheat Use prop inch smaller diameter normal first few flights 9 x 6 perfect 35 40 Set needle quite rich first flight ensure adequate lubrication gradually lean out flight flight until engine shows no signs overheating Now can switch normal prop confidence arent going ruin expensive power plant foregoing important Dont muff OK Prior first flight should thorough preflight inspection bench-trim ship Heres set up worth noting very little change required after substantial flight testing Flaps elevators must checked simultaneous neutral misalignment will cause unequal turns Also check both flaps neutral same time Misalignment will cause ship bank towards elevator deflected direction away its deflected other direc tion Also check wing flaps warps because will same thing pushrods connected bellcrank-to-flap rod 3/4 pivot both ends flap-to-elevator rod Outermost hole both horns flap-to-elevator-deflection ratio thus Continued page 152 October 1987 65 Teds last two columns detailed mods Sig Twisternow lets go fly Billy Suarez White Bunny semi-Scale version Navys F4 Phantom Power isa Greenaway-tuned ST 60 Urtnowski photo Rob Nelson Clovis CA designed built Simplicity Stunter Wing has over 700 sq area power Merco 61 Tom Dixon Square sheet-balsa fuse lage RC engine mount foam wing make simple fast-building machine Bill Zimmer sent photo local flier Robert C Hazies Schaumburg IL Stunterit has Al Rabe-style wiggle-rudder Presenting Top Flite Jacket Look best flight line Top Elite RIC Pilots Jacket pay $15OOm $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue Raglan safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $15000 per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago llInois 60616 Bobs hint month concerns ability build model provide proper documenta tion static judging Sport Scale event through use plastic models threeviews available youre scratch-building trying modify kit represent partic ular model series aircraft may have trouble making formers etc right shape Bob suggests plastic models can put good use Note said plastic models plastic model idea use plastic model substitute nonexistent three-views second provide proper shape fuselage formers etc After assembling both kits set aside static judging use other model will cut up process providing former shapes second models cement fully set determine mark positions will want bulkheads flying model Using X-Acto razor saw cut halfway through side plastic models fuselage top bottom marked points Now insert piece heavy paper slot just made trace halfbulkhead scale model next step scaling bulkhead up size needed flying model producing other side bulkhead Con tinue process until have made bulkheads etc Je end result work should provide two things small pile cut up plastic wastebasket completed Sport Scale model should look exactly like plastic model presented proof scale static judging Profile model kits abundance full-bodied kits market Scale modelers choose though made RC specifically CL profile CL model kit becoming scarce time Cam Martin Virginia Beach VA tells us effort being made bring back limited quantities profile model kits Bearcat F4U-5 Corsair AD-6 Skyraider produced late Seventies J Robert Smurthwaite under GS name kits original ly produced subjects Navy Carrier Profile event sizes about 40-in wingspans good flight characteristics make excel lent models growing Profile Scale event effort point determine amount interest might exist among Control Line flieis future production profile model kits Because space limitations column will get particulars about effort except say Cam has volunteered gather data based questionnaire distributing will forward data J Robert Smurthwaite consid eration possible production kits interested possibility obtaining kits write J Campbell Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 copy questionnaire Modeler identified August 1987 column included picture great-looking Fokker DR-l Triplane flown 1973 Nats could recall builders name Nagio Forbes Glenview IL informs us builder/flier Calvin Shuniate Dixmoor IL Thanks Naglo update Please send correspondenceespecially photosrelating CL Scale Bill Boss 7706 269th Street New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 11 ie flaps go down 250 elevators go up 250 far common setup experiments Twister show no advantage alternative ratios however exper iment like learn effects setup results moderate control response coupled handle fourinch spacing between lines Almost com mercially available handles have setup nominally four inches models center-of-gravity set pre dicted inch forward sparsomewhat further forward plans showed Review comments August September issues CG placement using length ened tail youve chosen stock tail moment would still go least ard spar first flights ensure stability controllable giide Tail-heavy Stunters go light lines try come engine quits Beware tail-heavy first flights Down lead-out exited ard spar Up good rule thumb would have lead-outs always within r midpoint between inch aft CG Finetuning location should minimal during test flights few general rules lead-out location 1 must always aft CG 2 too far forward ship will light lines everywhere including level flight 3 too far aft ship will pull hard level flight get very light perhaps uncontrollable above 450 4 lead-outs can Continued page 154 152 Model Aviation r Jacket orders $250 shipping/handling Illinois redents add 6% sales tax Extra patci $200 have something care about. use best BLACK CGVETE 420 Babylon Rd Horsham Pa 19044 Electric Flight Solder terminal ON/OFF Controller coil available Lightweigtit 12 no S Adjottahie anlinhiog point2 month monoy S Solderieto terminal eacy hoohopha k goaran cc ON/OFF Controller $2495 Mo Powe Save ght 7/Very high effiolenny 006 V loca 20 Sloe 22o13n63 Ad 1100 chipping Cailfonola realdento add 6% Ton Kr41 Scud cheek uccey elder Ia Ogelec wilkHIGH SKY Jatabe canseoter3929 KANSAS StU9 other nnnoontorcSAN ore 0100 ovollohle GO CA 92104 Puzzled CALL MATTI Netlmetehuild Muttds III Ihuvtlinetim newhew 1 Complete 2 Semi-Assembled Iready 10 cover inandedl Call 9am -8pm EST 609-395-1672 Send prices Kits Engines accessories9 Muffs Model Building 1 Stsc&ten Drive CIulbmv NJ 03512 catalogs avaslable*3 Rate cards available free SASE 14-lax 9-1/2 also build Cars Boats 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dopt take word try some iudge yourselfPtces sobjoct change wthoct notte See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $3 00 MANUFACTURING CO Montezuma IA 50171 d individually trim out problems exist during inside outside turns built ounce tip weight proved too much profile-fuselage Stunter engine tank mounted outboard side fuselage has automatic tip weight built removed quarter-ounce during trimming suggest start no se 10 x 6 prop 35 40 Remember inch tmaller arent using proven engine Select plastic metal spinner depending whether CG needs shifting spinner deadweight just like lead looks lot better should definitely use muffler best Stunter world worthless get thrown off flying field being too noisy Set adjustable tank about ve centerline engine will compen sate tendency engine go rich outside maneuvers idiosyncrasy sidemounted engines predictable Bob Gieseke winning Nats Open new set 60-ft control lines measure sure properly labeled sometimes arent Attach plane handle using scissors-type connectors now avallable both Pylon Perfect dont recommend slide-connector types tend weaken will occasion ally open up flight Occasionally far too often Give reasonable pull test entire system assure everything staying put Give special attention crimping securitytube line-end eyelets As skills increase youre going want learn handwrap eyelets soft copper wire ensure against possible damage lines crimping can cause would hidden crimped tube itself now pull test before flight should assure sound last important check prior first flight tighten anything can get fingers Set aside few moments just operation Prop nut spinner engine bolts muffler bolts muffler pressure tap installed fuel tubing landing gear clips wheel collars control horn mounts pushrod keepers Heres hint Make bends pushrods away center flight circle should lose pushrod keeper centrifugal force will likely save bacon Assure wing-tip-mounted lead-out tubes secure tighten adjust able features handle arent designed inflight adjustment OK now can blast off First flights should limited cautious investigation fundamentals wings fly level both upright inverted Get some body outside circle check very critical Best place check upwind side circle tip weight excessive will show wind consistently lowering outside wing condition will vice versa insufficient weight installed wing up youre flying way down flying other either have warp flaps aligned other Improper tip weight warp would indicated wing out-of-level flying dlrection flying other would require combination cures based severity difference case eliminate warp first attack tip weight adjustments should also equalize line tension both upright inverted An airplane banked toward pilot loses line tension may fly toward pilot given Up elevator Down elevator its flying inverted its condition careful helper evaluates whether wings level have him time laps both upright inverted example lap times 55 seconds upright 51 inverted will need adjust tank height out case tank would have lowered Con tinue check lap times subsequent flights until equal turning upright inverted back youll getting feel ship turns stable opted longer tail moment probably pleasantly surprised maneuverableyet stablethe longer Twister Just stable well illus trated another story myself first flight controls started feel funny shortly after takeoff found no control thoughts starting whole series over again danced through head little old Twister just continued circulate round round until fuel ran out made firm safe landing its own turned out fancy circular bellcrank ingested burr some sort bearing frozen fortunately neutral Now thats stable models response controls can adjusted addltion nose tail weight changing line-spacing control handle good rule move CG aft tiny bit time until notice airplane beginning feel loose lines engine quits Move CG forward regain good control giide make further change response rate increasing decreasing handle spacing Continued page 156 154 Model Aviation 00 DGA Designs Designs 00 DGA Designs eg DGA Designs . DG Designs 0 *DARNED GOOD AIRMEN Lightest weight Pilots Available .. 0 * FULL BODY PILOT KIT Lifehke Vinyl latex l-obbe paos A Easy assemble finish Kit contains Pilot head hands boots helmet0 cap goggles h411 templates easy instnactions Fully positionable too.0 Height- Weight- NEW Low Proes- .k.k0 l NO206 .1/5 Scale 11c 2020 No205 /5 Scale 14a 302g59 1A%lI No 204 -1/4 Scale 17a 4 oz s ei Y13Y No203 13 Scale 23 6oz sip SPORTSMAS 0 BRNSTOHIER FULi sooY o OUST R/C Model IIAircraft need *BUST PILOT KIT Lilegie oo4 gIgs lobOll goi.Good Pilots.0 Kit contaIns PIot head nelmei spoIl Cap goggles 004 Jacket. Easy assesIbleandfihish. Height- Weight- Low PriO80 OScale 310 3 Ooa S 595 C Ne lOt- thScale3-811407Sqh*sameat 4NolOol Nt 04 cale43 811 Ppz7h NO 03 hale S34 2lgOas1499simple sewIng5 Aetassetdittg realign4reqaireda attainable pSetielea 0 Oce tO the, eatrertle light Weight 00 CompEted full body o clot0 ho-ts Wll haoe lIttle Orb cIted baled0 COol aIrcIafl0 ,t0 Send sl0O Catalog a New Slit State AesacIlts add Ph sales tas. Send Check MO.coosAllow 3 weeks tot Check clear DGA Designs OS DA @ DGA Designs flying outside corners profile dont surprised engine richens abruptly first corner common sidemounted engines generally will clear out after first corner can minimize flying first corner outside squares little soft starting little high might lose couple points such entry prevents engine loading up slowing down ship will points well spent overall maneuver Schnuerle-ported engine such OS PP series exhibits less tendency standard-ported engines such Merco Fox point should find yourself profile flying pretty well Obviously whole lot trimming could cover herea lot covered back 1985 series six columns began May issue new readers out would like copies further refine trimming knowledge Id happy send set 9 x 12-in manila envelope return address about four 22-cent stamps sent address end article will assure theyre yours Oh does Twister II fly ask Just great flew over 500 points local contest drew favorable comments about its ability fly like real Stunter Yeah does Plus its easy fly whole lot fun enjoyed Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Combat/Johnson Continued page 66 Henry also reports no trouble running castor-oil-based fuel recommends using UCON oil comparable synthetic oil test flying order retard buildup carbon engine Nelsons last line says F2D remalns same event Nelson users least FAST Henry Nelson may reached RD 2 Box 233 Ramsey Rd Zelienople PA 16063 believe current price Nelson F2D Combat Special including legal 4mm venturi around $175 engine handfitted Henry Nelson test run make sure up standard Henrys state-of-the-art machinery allows him hold such close toler ances rarely does anything need done engine anyway decide order engine engines sure knows 1 Exactly what purpose it/they will used 2 What percentage nitro will using 3 youll using 4mm venturi just flying exhibi tions stun crowd please use prop recommends wide-bladed 10 x 6 wish picture recent Bladder Grabber meet thatll have wait until next time Mike Petri placed third Money Meet undefeated through 11 rounds flyinguntil met meets CD Chuck Rudner Somehow Chuck beat red-hot Petri three straight took over $5000 Carver Corp stereo equipment stunned Petri settle second place mere $3000 Carver state-of-the-art goodies incredible contest century featured 63 entrants overthe USA Canada flying 200 matches during two-day Combat marathon Jim McFadden yeah hes Norms kid did commendable job running matches did Heather Hawley orga nized arranged everything big-time contests have really taken off recently can thank people like Heather Jim Howard Mary Lou Rushand espe cially Bob Carver donated over $10000 worth stereo equipment just because loves Combat people have done things rather grand scale workers local meets deserve pats back thanks Nationals Money Meet Bladder Grabber would never possible such dedicated people lets keep ball rolling see maybe Bladder Grabber 13 breaks 100-contestant mark pictures shows Fox15 lots extra plumbing hooked subject test see what would happen fuel line routed different ways giant fuel filter stuck its middle line filter run far enough inboard side model will cause engine sag tight maneuvers though addition ofafilterto aplan&s fuel system will smooth Out needle valve setting little bit found filter much capacity let engine merely bleed down rather stop quickly Such situation could cause few agonizing moments pilot middle match since couldnt leave pilots circle because engine still runningalthough very low power level Removing large filter produced quick en gine stops instead bleed-down moral story keep small quantity fuel inboard needle valve spray bar possible admonition includes size placement fuel filter points use smallinside-diameter fuel line biggest improvement can make engine still using either conventional spray bar two-piece bodyand-metering jet setup venturi addition remotely mounted 05 10 needle valve assembly Youll notice Fox 15 picture Sullivan Products control line clip used mount OS needle valve assembly has proved effective method mounting trick mounts have seenand its very inexpensive Adding 05 10 needle valve assembly best thing can engine run using bladder tankjust sure use filter between bladder needle valve never between needle valve venturi Youll need remove engines standard spray bar replace Fox K&B jet Jim Jack doesnt use jet system just sticks fuel tube coming remote needle valve assembly hole side venturi jet should have screwed Before screw needle valve body remote-needle system place short length fuel line tubingover threads act seal pressurized fuel piece about tn long enough Check system leaks engine running Youd surprised much fuel can blow past unsealed assemblies Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Navy Carrier Continued page 67 No tools required beyond found modelers workshops Dremel tool something similar greatly speeds work Car bide bits cutoff wheels work well forming Continued page 162 156 Model Aviation Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $ 595 Kwik Set 6 MinutelOoz $ 995 Giant Kwik Set 6 Minute1602 $1395 Half FastlOMinutelOoz$ 895 GMP AIRCRAFT INSTRUMENTS 80in3/16114318112$ 149 40in3/4andoneincl$ 149 EASY OFF PULLER proper tool removing drive washeraand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 aef dler order dkoct Post odd $150
Edition: Model Aviation - 1987/10
Page Numbers: 65, 152, 154, 156
Control Line Aerobatics Ted Fancher LETS FLY Twister Are ready Yes Did break engine No aint ready others nature Stunt event demands proper care taken power plant Bill Werwage says engine about 90% ofa successful Stunt setup andyou wont get disagree him An engine doesnt perform predictably powerfully flight after flight will condemn carefully designed built trimmed Stunter also-ran status quickest way ensure dismal state affairs mistreat engine brand-new susceptible damage Step #1 read directions come engine built just might know about its proper operation ProStunt flying buddies proved myself Im such expert never felt necessary read directions thoughtfully supplied Merco Co 35 specified use castor oil lubricant Yours truly proceeded run same synthetic-oilbased fuel using Supertigre 46s eventually overheated Tom Dixon kind enough rebuild included another copy instructions incriminating instructions highlighted two morals story First read instructions engine choose second aware lapped-piston plainbearing engine opposed ringed piston ball-bearing-supported crankshaft will perform better better protected overheating damage run fuel containing pure castor oil lubricant bearing surfaces such engines significantly greater area produce friction therefore heat Synthetic oils break down actually vaporize temperature about 4500 5250 Once occurs lubrication ceases overheating gins same temperatures castor begins pick up oxygen molecules becomes thicker thus continues lubricate engine protects grossly overlean condition Unfortunately commercially avail able fuelsespecially available lower cost through RC-oriented mail order busi nessescontain primarily synthetic oil should avoided Take time shop fuel specifies castor oil Always run engine groundprefer ably solid mounting stand airplane OKfor half-hour until thoroughly familiar its characteristics certain wont overheat Use prop inch smaller diameter normal first few flights 9 x 6 perfect 35 40 Set needle quite rich first flight ensure adequate lubrication gradually lean out flight flight until engine shows no signs overheating Now can switch normal prop confidence arent going ruin expensive power plant foregoing important Dont muff OK Prior first flight should thorough preflight inspection bench-trim ship Heres set up worth noting very little change required after substantial flight testing Flaps elevators must checked simultaneous neutral misalignment will cause unequal turns Also check both flaps neutral same time Misalignment will cause ship bank towards elevator deflected direction away its deflected other direc tion Also check wing flaps warps because will same thing pushrods connected bellcrank-to-flap rod 3/4 pivot both ends flap-to-elevator rod Outermost hole both horns flap-to-elevator-deflection ratio thus Continued page 152 October 1987 65 Teds last two columns detailed mods Sig Twisternow lets go fly Billy Suarez White Bunny semi-Scale version Navys F4 Phantom Power isa Greenaway-tuned ST 60 Urtnowski photo Rob Nelson Clovis CA designed built Simplicity Stunter Wing has over 700 sq area power Merco 61 Tom Dixon Square sheet-balsa fuse lage RC engine mount foam wing make simple fast-building machine Bill Zimmer sent photo local flier Robert C Hazies Schaumburg IL Stunterit has Al Rabe-style wiggle-rudder Presenting Top Flite Jacket Look best flight line Top Elite RIC Pilots Jacket pay $15OOm $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue Raglan safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $15000 per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago llInois 60616 Bobs hint month concerns ability build model provide proper documenta tion static judging Sport Scale event through use plastic models threeviews available youre scratch-building trying modify kit represent partic ular model series aircraft may have trouble making formers etc right shape Bob suggests plastic models can put good use Note said plastic models plastic model idea use plastic model substitute nonexistent three-views second provide proper shape fuselage formers etc After assembling both kits set aside static judging use other model will cut up process providing former shapes second models cement fully set determine mark positions will want bulkheads flying model Using X-Acto razor saw cut halfway through side plastic models fuselage top bottom marked points Now insert piece heavy paper slot just made trace halfbulkhead scale model next step scaling bulkhead up size needed flying model producing other side bulkhead Con tinue process until have made bulkheads etc Je end result work should provide two things small pile cut up plastic wastebasket completed Sport Scale model should look exactly like plastic model presented proof scale static judging Profile model kits abundance full-bodied kits market Scale modelers choose though made RC specifically CL profile CL model kit becoming scarce time Cam Martin Virginia Beach VA tells us effort being made bring back limited quantities profile model kits Bearcat F4U-5 Corsair AD-6 Skyraider produced late Seventies J Robert Smurthwaite under GS name kits original ly produced subjects Navy Carrier Profile event sizes about 40-in wingspans good flight characteristics make excel lent models growing Profile Scale event effort point determine amount interest might exist among Control Line flieis future production profile model kits Because space limitations column will get particulars about effort except say Cam has volunteered gather data based questionnaire distributing will forward data J Robert Smurthwaite consid eration possible production kits interested possibility obtaining kits write J Campbell Martin 1540 Bridle Creek Blvd Virginia Beach VA 23464 copy questionnaire Modeler identified August 1987 column included picture great-looking Fokker DR-l Triplane flown 1973 Nats could recall builders name Nagio Forbes Glenview IL informs us builder/flier Calvin Shuniate Dixmoor IL Thanks Naglo update Please send correspondenceespecially photosrelating CL Scale Bill Boss 7706 269th Street New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 65 11 ie flaps go down 250 elevators go up 250 far common setup experiments Twister show no advantage alternative ratios however exper iment like learn effects setup results moderate control response coupled handle fourinch spacing between lines Almost com mercially available handles have setup nominally four inches models center-of-gravity set pre dicted inch forward sparsomewhat further forward plans showed Review comments August September issues CG placement using length ened tail youve chosen stock tail moment would still go least ard spar first flights ensure stability controllable giide Tail-heavy Stunters go light lines try come engine quits Beware tail-heavy first flights Down lead-out exited ard spar Up good rule thumb would have lead-outs always within r midpoint between inch aft CG Finetuning location should minimal during test flights few general rules lead-out location 1 must always aft CG 2 too far forward ship will light lines everywhere including level flight 3 too far aft ship will pull hard level flight get very light perhaps uncontrollable above 450 4 lead-outs can Continued page 154 152 Model Aviation r Jacket orders $250 shipping/handling Illinois redents add 6% sales tax Extra patci $200 have something care about. use best BLACK CGVETE 420 Babylon Rd Horsham Pa 19044 Electric Flight Solder terminal ON/OFF Controller coil available Lightweigtit 12 no S Adjottahie anlinhiog point2 month monoy S Solderieto terminal eacy hoohopha k goaran cc ON/OFF Controller $2495 Mo Powe Save ght 7/Very high effiolenny 006 V loca 20 Sloe 22o13n63 Ad 1100 chipping Cailfonola realdento add 6% Ton Kr41 Scud cheek uccey elder Ia Ogelec wilkHIGH SKY Jatabe canseoter3929 KANSAS StU9 other nnnoontorcSAN ore 0100 ovollohle GO CA 92104 Puzzled CALL MATTI Netlmetehuild Muttds III Ihuvtlinetim newhew 1 Complete 2 Semi-Assembled Iready 10 cover inandedl Call 9am -8pm EST 609-395-1672 Send prices Kits Engines accessories9 Muffs Model Building 1 Stsc&ten Drive CIulbmv NJ 03512 catalogs avaslable*3 Rate cards available free SASE 14-lax 9-1/2 also build Cars Boats 519 GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters- Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dopt take word try some iudge yourselfPtces sobjoct change wthoct notte See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $3 00 MANUFACTURING CO Montezuma IA 50171 d individually trim out problems exist during inside outside turns built ounce tip weight proved too much profile-fuselage Stunter engine tank mounted outboard side fuselage has automatic tip weight built removed quarter-ounce during trimming suggest start no se 10 x 6 prop 35 40 Remember inch tmaller arent using proven engine Select plastic metal spinner depending whether CG needs shifting spinner deadweight just like lead looks lot better should definitely use muffler best Stunter world worthless get thrown off flying field being too noisy Set adjustable tank about ve centerline engine will compen sate tendency engine go rich outside maneuvers idiosyncrasy sidemounted engines predictable Bob Gieseke winning Nats Open new set 60-ft control lines measure sure properly labeled sometimes arent Attach plane handle using scissors-type connectors now avallable both Pylon Perfect dont recommend slide-connector types tend weaken will occasion ally open up flight Occasionally far too often Give reasonable pull test entire system assure everything staying put Give special attention crimping securitytube line-end eyelets As skills increase youre going want learn handwrap eyelets soft copper wire ensure against possible damage lines crimping can cause would hidden crimped tube itself now pull test before flight should assure sound last important check prior first flight tighten anything can get fingers Set aside few moments just operation Prop nut spinner engine bolts muffler bolts muffler pressure tap installed fuel tubing landing gear clips wheel collars control horn mounts pushrod keepers Heres hint Make bends pushrods away center flight circle should lose pushrod keeper centrifugal force will likely save bacon Assure wing-tip-mounted lead-out tubes secure tighten adjust able features handle arent designed inflight adjustment OK now can blast off First flights should limited cautious investigation fundamentals wings fly level both upright inverted Get some body outside circle check very critical Best place check upwind side circle tip weight excessive will show wind consistently lowering outside wing condition will vice versa insufficient weight installed wing up youre flying way down flying other either have warp flaps aligned other Improper tip weight warp would indicated wing out-of-level flying dlrection flying other would require combination cures based severity difference case eliminate warp first attack tip weight adjustments should also equalize line tension both upright inverted An airplane banked toward pilot loses line tension may fly toward pilot given Up elevator Down elevator its flying inverted its condition careful helper evaluates whether wings level have him time laps both upright inverted example lap times 55 seconds upright 51 inverted will need adjust tank height out case tank would have lowered Con tinue check lap times subsequent flights until equal turning upright inverted back youll getting feel ship turns stable opted longer tail moment probably pleasantly surprised maneuverableyet stablethe longer Twister Just stable well illus trated another story myself first flight controls started feel funny shortly after takeoff found no control thoughts starting whole series over again danced through head little old Twister just continued circulate round round until fuel ran out made firm safe landing its own turned out fancy circular bellcrank ingested burr some sort bearing frozen fortunately neutral Now thats stable models response controls can adjusted addltion nose tail weight changing line-spacing control handle good rule move CG aft tiny bit time until notice airplane beginning feel loose lines engine quits Move CG forward regain good control giide make further change response rate increasing decreasing handle spacing Continued page 156 154 Model Aviation 00 DGA Designs Designs 00 DGA Designs eg DGA Designs . DG Designs 0 *DARNED GOOD AIRMEN Lightest weight Pilots Available .. 0 * FULL BODY PILOT KIT Lifehke Vinyl latex l-obbe paos A Easy assemble finish Kit contains Pilot head hands boots helmet0 cap goggles h411 templates easy instnactions Fully positionable too.0 Height- Weight- NEW Low Proes- .k.k0 l NO206 .1/5 Scale 11c 2020 No205 /5 Scale 14a 302g59 1A%lI No 204 -1/4 Scale 17a 4 oz s ei Y13Y No203 13 Scale 23 6oz sip SPORTSMAS 0 BRNSTOHIER FULi sooY o OUST R/C Model IIAircraft need *BUST PILOT KIT Lilegie oo4 gIgs lobOll goi.Good Pilots.0 Kit contaIns PIot head nelmei spoIl Cap goggles 004 Jacket. Easy assesIbleandfihish. Height- Weight- Low PriO80 OScale 310 3 Ooa S 595 C Ne lOt- thScale3-811407Sqh*sameat 4NolOol Nt 04 cale43 811 Ppz7h NO 03 hale S34 2lgOas1499simple sewIng5 Aetassetdittg realign4reqaireda attainable pSetielea 0 Oce tO the, eatrertle light Weight 00 CompEted full body o clot0 ho-ts Wll haoe lIttle Orb cIted baled0 COol aIrcIafl0 ,t0 Send sl0O Catalog a New Slit State AesacIlts add Ph sales tas. Send Check MO.coosAllow 3 weeks tot Check clear DGA Designs OS DA @ DGA Designs flying outside corners profile dont surprised engine richens abruptly first corner common sidemounted engines generally will clear out after first corner can minimize flying first corner outside squares little soft starting little high might lose couple points such entry prevents engine loading up slowing down ship will points well spent overall maneuver Schnuerle-ported engine such OS PP series exhibits less tendency standard-ported engines such Merco Fox point should find yourself profile flying pretty well Obviously whole lot trimming could cover herea lot covered back 1985 series six columns began May issue new readers out would like copies further refine trimming knowledge Id happy send set 9 x 12-in manila envelope return address about four 22-cent stamps sent address end article will assure theyre yours Oh does Twister II fly ask Just great flew over 500 points local contest drew favorable comments about its ability fly like real Stunter Yeah does Plus its easy fly whole lot fun enjoyed Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Combat/Johnson Continued page 66 Henry also reports no trouble running castor-oil-based fuel recommends using UCON oil comparable synthetic oil test flying order retard buildup carbon engine Nelsons last line says F2D remalns same event Nelson users least FAST Henry Nelson may reached RD 2 Box 233 Ramsey Rd Zelienople PA 16063 believe current price Nelson F2D Combat Special including legal 4mm venturi around $175 engine handfitted Henry Nelson test run make sure up standard Henrys state-of-the-art machinery allows him hold such close toler ances rarely does anything need done engine anyway decide order engine engines sure knows 1 Exactly what purpose it/they will used 2 What percentage nitro will using 3 youll using 4mm venturi just flying exhibi tions stun crowd please use prop recommends wide-bladed 10 x 6 wish picture recent Bladder Grabber meet thatll have wait until next time Mike Petri placed third Money Meet undefeated through 11 rounds flyinguntil met meets CD Chuck Rudner Somehow Chuck beat red-hot Petri three straight took over $5000 Carver Corp stereo equipment stunned Petri settle second place mere $3000 Carver state-of-the-art goodies incredible contest century featured 63 entrants overthe USA Canada flying 200 matches during two-day Combat marathon Jim McFadden yeah hes Norms kid did commendable job running matches did Heather Hawley orga nized arranged everything big-time contests have really taken off recently can thank people like Heather Jim Howard Mary Lou Rushand espe cially Bob Carver donated over $10000 worth stereo equipment just because loves Combat people have done things rather grand scale workers local meets deserve pats back thanks Nationals Money Meet Bladder Grabber would never possible such dedicated people lets keep ball rolling see maybe Bladder Grabber 13 breaks 100-contestant mark pictures shows Fox15 lots extra plumbing hooked subject test see what would happen fuel line routed different ways giant fuel filter stuck its middle line filter run far enough inboard side model will cause engine sag tight maneuvers though addition ofafilterto aplan&s fuel system will smooth Out needle valve setting little bit found filter much capacity let engine merely bleed down rather stop quickly Such situation could cause few agonizing moments pilot middle match since couldnt leave pilots circle because engine still runningalthough very low power level Removing large filter produced quick en gine stops instead bleed-down moral story keep small quantity fuel inboard needle valve spray bar possible admonition includes size placement fuel filter points use smallinside-diameter fuel line biggest improvement can make engine still using either conventional spray bar two-piece bodyand-metering jet setup venturi addition remotely mounted 05 10 needle valve assembly Youll notice Fox 15 picture Sullivan Products control line clip used mount OS needle valve assembly has proved effective method mounting trick mounts have seenand its very inexpensive Adding 05 10 needle valve assembly best thing can engine run using bladder tankjust sure use filter between bladder needle valve never between needle valve venturi Youll need remove engines standard spray bar replace Fox K&B jet Jim Jack doesnt use jet system just sticks fuel tube coming remote needle valve assembly hole side venturi jet should have screwed Before screw needle valve body remote-needle system place short length fuel line tubingover threads act seal pressurized fuel piece about tn long enough Check system leaks engine running Youd surprised much fuel can blow past unsealed assemblies Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Navy Carrier Continued page 67 No tools required beyond found modelers workshops Dremel tool something similar greatly speeds work Car bide bits cutoff wheels work well forming Continued page 162 156 Model Aviation Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $ 595 Kwik Set 6 MinutelOoz $ 995 Giant Kwik Set 6 Minute1602 $1395 Half FastlOMinutelOoz$ 895 GMP AIRCRAFT INSTRUMENTS 80in3/16114318112$ 149 40in3/4andoneincl$ 149 EASY OFF PULLER proper tool removing drive washeraand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OH 45239 513 385-7398 aef dler order dkoct Post odd $150
