Control Line Combat Charlie Johnson CLOSE matches have lost cause pilot second up watched closely pit work Texas teams during latest Nats may thing two us learn first step get out circle early get model ready Run engine make sure setting right needle locked down Shut engine off refill blad der necessary turn model upside down put four drops fuel exhaust Turn crankshaft normal direction rotation until piston up top its compression stroke Keep exhaust port closed dont flip prop put starting battery can leave mode minute two al though its better drill 30 sec before start time match T minus five seconds connect battery Go hit prop backwards base ball batting glove works well avoid cut fingers especially carbon-fiber props its tight fit better loose work glove engine starts isnt running cleanly immediately try drill using three drops fuel exhaust next time combination factors will start engine almost time Nothing model planes sure 12 competitors unofficial Pit Crew Contest Nats got perfectly clean start Ive never started engines backward flip always preferring blast over compressionwhich works worn-out engines like hot loose ones Sometimes engine wont start prop-flip direc tion whereas tap other direction brings life back-flipping also saves fing ers flipping old G-2 1 Supertigres very tight cold ABCs initial start critical theres some thing else weve missing boat times have engine running same time other guys seem launch first Whats happening launcher just opening up hands release model thats judge starts clock alrtime rest us have guiding model first few feet actual release point farther out though both models might exact same distance starting point clocked difference over second between two styles launchingand sometimes pit crew takes step youre going use system Id suggest pit crew kneel down aim model upward about 45 0 angle doing re lease business make release point ap parent judges looks obvious model climbs out high other cruises along low ground Continued page 168 Heres real family effort L Combat Cranfills Houston TX Sheila CL Combat pit boss Nate hubby Don R son Dennis took home enough trophies take place models demolished over six days Combat flying Minor family RAmarillo TX thick Nets Combat events Either both brothers Gary 1 Andy R won places events Thats poppa Cary background Plane Fox-powered White Lightning design December 1987 67 Heres Celebrity Slow Combat eventrun unofficial event 1987 Netsmodels sponsored Core House Taffs Tanks Pear Model Products Cipolla Master Airscrew Models built Doc Passen featured external controls end Ci polla 25 power truly slow Slow Combat preformance Theres Info column Bob Carvers company makes superb stereo equipment Bob likes Combat has resources sponsor annual Bladder Grabber Combat meet Hes very smooth end consistent flierthe person mas ter octagonal loops besides Rich Brasher ThanJ hope continue great support future may have benefited printed word havent yet told us about work column offers opportunity tell doesnt have lengthy article highly technical nature Just building tip some notes club Scale activity photo latest Scale creation will Support CL Scale column Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th Street New Hyde Park NY 11040 CL Navy Carrier/Perry Continued page 66 Once scale factor determined out lines major components model can duplicated variety ways traditional method probably accuratealthough accuracy problem methods will describe use mechanical drawing procedures enlarge three-views easiest method draw reference line through components along length fuselage across span wing etc draw perpendicular lines across refer ence line intervals convenient model wing/fuselage junctions changes contour likely former rib locations etc lines reproduced paper used draw model using scale factor selected multiplier cross lines measure distance reference line outer contour three-view Multiply dimen sion scale factor transfer draw ing model method used quite often old model mag azines enlarge parts magazine plans grid method grid drawn over three-view larger grid larger scale factor drawn paper used model outlines model drawn matching points three-view outlines cross grid lines connecting points easiest method photograph threeview 35mm slides convenient project image appropriate size Onto paper perhaps can tape wall trace outlines Care must used ensure camera line perpendicular center threeview projector must also line perpen dicular paper Using precautions dis tortion can kept minimum Three-views can also copied Onto acetate using standard office copier projected using overhead vu-graph projector details basic structure can copied kit plans model similar size class should present no particular problem long builder sticks materials con struction methods familiar sure allow thickness fuselage wing sheeting drawing formers ribs Using procedures working drawing can produced first step turning dream iffto reality Good luck Richard L Perry 10035 Deadwood Ave Ells worth AFB SD 57706 SAFE FLYING IS NO ACCIDENT technique assumes model will fly shove also enginestarter gets Out way fast Good engine men know engine will start already moving out way follow through initial flip means may way out position rare occasion engine doesnt catch first flip two little tricks trade amongst pit men won awful lot matches Nats sure cant hurt What happened wild top-speed claims around country Greg Hill ran 129 mph Money Nats Jim Jack 121 mph unofficial Top Speed event years AMA Nats sure seems slow compared high estimates weve hearing call reported times estimates because flown plane above height 15 ft upper limit official speed times season just isnt fac tor put actual speed fly some thing over 15 ft engine really has chance cleaning up event Supertigre X-40 conver sion engines did very well Slow Rat al though K&B 58 won theyre strong enough hold up against some high-nitro runs Celebrity Fun-Fly Nats turned out rather poorly number reasons con cept seems sound execution substan dard MatcheL TOP AtplaneMacne K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POSY THINNER K&B SUPER POXY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS AMA WING NUMBERS AMA number single decal y apply AMA171120 2 Black letters clear plastic peel & stick 8-1 $12 includes postage 4-2.& handling 168 Model Aviation Send 50 LVIAEWS * aSASEIo I IlrXlChemicals rlin Rd Mt Vew CA 2c International tsCVI2 q$ RC SOARING DIGEST A monlrlly publication covering International RC Soaring Scene $16/year USA US $20/yr Canada& Mexico US $24/yr elsewhere via airmail RCSD PO Box 4079 Poyson AZ 85547 CL Combat/Johnson Continued page 67 ZO NAThe SAVVS famous Bne hobby saws Razor #200 universal #500 Ideal contest ojlots Replacemens Blades available dealer FAIModel SUDlV P0 Box 3957 Torrance CA 90610 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety suppfies werent planning flying Wednesday tried rush getting couple planes ready Cipolla 25s used RC Cars cylinder heads replaced aircraft-type ones Unfortunately engines cylinder-head bolt holes crankcase wasnt tapped deep enough bolts used hold car-type heads after substituted aircraft-type heads bottomed out before clamped head down tight resultant distortion compres sion loss made engine almost impossible start did run about 3000 rpm engine proper head bolts ran perfectly pulling model truly slow Slow Combat fashion cause agony apparent once took stuff back motel really looked over Very windy weather Thursday Friday prevented further test hops Al Kelly has talking about diesel conver sion engines add little oomph Al planning using diesel conversions Rossi Cipolla engines FAI team trials 4mm venturi large 15-size diesel speeds around century mark should possi ble Diesels should carry less fuel overall weight savings also require no battery no plug burn out have broader torque curve does hyperactive glow engine doesnt everyone use diesel now 4mm venturi 10%-intro rules Well find out team trials Detroit recollection high-performance diesels 1976 Combat World Champs cranky difficult tune Al clalms thats thing past 1987 versions will easy live stinky die sels dominate new battle cry may Think stink may already have happened time read look safety thong being re quired Combat eventsand possibly en gine restraint Both rules may slight inconvenience builder/flier can save someones head minimum DQ HOBBY k outdated old ard older basic RC systems can easily update adding dual rates mixing extra channels frequency changes etc need baaic eleecrical ability simple tools Written RIC tech 10 yrs exp 142 page journal includes sources diagrams charts detailed modificationS written simple under standable cest send $1995 check money order HOBBY RADIO 3001-A Kavanaugh Rd Wilson NtJ 27893 Phone 919 291-8548 Hobby Radio also offers professional R/C repairs mode Complete systems service battery pack servos vibration testing new frequency change etc manu facturer Alt repairs guaranteed performed minimal turnaround send sase price list complete services contest safety thong requirement has ap proved Control Line Contest Board im mediate implementation reported Octobers Competition Newsletter page 123 Charlie Johnson could have aware wrote month s column RMcM best place attach engine restraint backplate boltand sure use eyelet around wire slightly longer bolt noose type arrangement restraint wire encircling engine works extremely well need change engine wire wsll put wear marks engine case think youre asking trouble attach re straint engines mounting bolts since thats usually part vibrates out part prop blade gets chewed off Another point needs looking size pilots circle AMA circle much smaller FAI variety still leaves too much room wandering tactical use area spectators treated Howard Rushs use FAt circle during eliminations ran side other avoid hav ing opponent couple cuts down line up him lot AMA fliers thought really entertaining looked PRODUCTS .Odtinhar flflrm CR Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems lJnSupaSI like good tactic use AMA events too Doing could create some problems Any time youre lined up means other engine will cut opponents lines rather streamer model extra fly-away due pilots running around circle too thong may save couple fly aways restraint sure keep metal fast ball airplane way minimize cutaways tight pilots circle Perhaps DQ could given contestant evades opponent running around circle rather flying airplane away can hear howls now Combat track meet circle marshals AMA rule book calls him center judge responsibilities very clearly defined extra duty might signal pit crew either come circle stay outside 80-ft line Nats least three incidents pit crew peo ple ran retrieve downed model opposing model still under power loop ing overhead its lines wrapped around downed model worst model under power could hit pit man nothing else pit man could pull flying model ground has hap pened times simple wave cir UecemDer 1 1o cle marshal enter hand held up signal Whoa could save someones head put careful pit man disadvantage Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Indoor/Tenny Continued page 71 freshman Aerospace Engineering Sciences stu dents University Colorado As result Ihe following tentative dates have set up Fun FlyDecember 4 18 1987 first 1988 dates January 8 22 confirma tion information Les Shaw phone 303 499-0946 John Berryman303 337-2936 New York City area December 6 1987 Ed Whitten2 12 724-0282 Bracing wrap up following material will refer column items far back May 1987 SO jazz up memory look up re ferences Lets begin multipurpose bracing fix tures described July 87 issue starting point wing bracing fixtures wing mount block will later store fin ished wing model box Figure 1 shows mount block cabane two wing posts should have pre viously assembled flat board Note sketch cabane bevel has internal overhang cabane can also glue wing spar shown Figure 2 May 87 column increases strength wing/cabane joint Insert post/cabane assembly sockets anchor block center work area second step set up adjustable stands either side cabane assembly support bars set about two inches lower top posts Slide covered wing between posts let rest two stands Raise stand bars wing until wing center section flat spars just touch ing bottom cabane shown front view Figure 2 Glue wing post cabane after mea suring verify wing perpendicular posts Note wing uses center dihe dral break dihedral should installed before putting wing fixture Next move stands Out just beyond tip dihedral used shown Figure 3 Now time install washin washout use make tiny nick bottom left lead ing edge right trailing edge spars gently crack spars required twist stalled having bending stress spars sure reinforce spars nicks allowing drop glue soak nicked area Similar techniques can used install tip dihedral Install primary bracing secondary bracing used see Figure 4 September 87 col umn Finally move stands near tip using support tip dihedral glue joints dry Once again adjust tilt sup ports install washin washout used tips Install tip bracing use Next time bracing wrap up will continue bracing philosophy weight saving bracing repair adjustment reliability etc some extra information about months photos John Brunken has built model airplaneit flawless Piper Cub weighing just about four grams really neat part its transparent plastic prop blades quite bit area John attached tissue strips plastic making look like scale prop installed took unusual camera angle show both tissue plastic clearly Meanwhile guess John thought Indoor Scale too easyhe hasnt Out another fly ing session Bud Tenny PO Box 545 Richardson 7X 75080 FF Duration/Murphy Continued page 73 events attempts pump new life hobby inventive folks came popular P-30 Outdoor rubber-powered event now comes Pew Wee-30 effort postal-proxy contest promotion accomplished well complete Pee Wee-30 rules have printed various model publications cannot put finger info send SASE John Oldenkamp 3331 Adams Ave San Diego CA 92116 copy rules may wish subscribe El Torbellino goes $10/year 12 issues Good show gang Dual Spotlight last session made ref erence Bugs Buzz newsletter Thunderbugs Free Flight Club Long Beach Continued page 173 BC PRODUCTS NEW BULLET SPINNER Made 6061 Aluminum & weighs under loz 1 diameter 1 long us nose Specify thread engine size & make $600 & pay shipping US BC PRODUCTS 111 N Starkweather Pampa TX 79065 Call 806 6658361 accept MO/VISA & Money Orders Texas add 5% sales tax MODEL PRODUCTS CORP BOX 100 Allamuchy NJ 07820 lfnotavailahlewritedirectacjds2OOls5OOoutSideUSl - * * * * * * ****** * ** ******* ****** ** * * **** * ** *** BALSA WOOD Gmie setGLIDER PLANS 0INEXPENSIvE \KY0EASY TO BUILD &0-FLYING MODELS 0-FAMOUS AIRCRAFT REPLICAS %Z 0-RUBBER BAND HAND LAUNCH erafl*Eaar DElIS EACH 5515SF FLYING TO ORDER COMPLETE STAR KRAFT MODEl FROM I/IN. SHEETSET OP 17 PLANSPS DOD 321 BALSA & 3/16 STICK BALSA SEND $750 PLUS ISP LESS THAN ONE SHEET$150 POSTAGE TO IBOUNTIFUL ST BASIS AND ONE STIIE PEA MSSFI. I 17 DIFFERENT PLANS INCLUDING F-isF-lB F-lBF-4 U-2A-6 SPAE SHUTTLE 10 OTHERS 170 Model Aviation 0
Edition: Model Aviation - 1987/12
Page Numbers: 67, 168, 169, 170
Control Line Combat Charlie Johnson CLOSE matches have lost cause pilot second up watched closely pit work Texas teams during latest Nats may thing two us learn first step get out circle early get model ready Run engine make sure setting right needle locked down Shut engine off refill blad der necessary turn model upside down put four drops fuel exhaust Turn crankshaft normal direction rotation until piston up top its compression stroke Keep exhaust port closed dont flip prop put starting battery can leave mode minute two al though its better drill 30 sec before start time match T minus five seconds connect battery Go hit prop backwards base ball batting glove works well avoid cut fingers especially carbon-fiber props its tight fit better loose work glove engine starts isnt running cleanly immediately try drill using three drops fuel exhaust next time combination factors will start engine almost time Nothing model planes sure 12 competitors unofficial Pit Crew Contest Nats got perfectly clean start Ive never started engines backward flip always preferring blast over compressionwhich works worn-out engines like hot loose ones Sometimes engine wont start prop-flip direc tion whereas tap other direction brings life back-flipping also saves fing ers flipping old G-2 1 Supertigres very tight cold ABCs initial start critical theres some thing else weve missing boat times have engine running same time other guys seem launch first Whats happening launcher just opening up hands release model thats judge starts clock alrtime rest us have guiding model first few feet actual release point farther out though both models might exact same distance starting point clocked difference over second between two styles launchingand sometimes pit crew takes step youre going use system Id suggest pit crew kneel down aim model upward about 45 0 angle doing re lease business make release point ap parent judges looks obvious model climbs out high other cruises along low ground Continued page 168 Heres real family effort L Combat Cranfills Houston TX Sheila CL Combat pit boss Nate hubby Don R son Dennis took home enough trophies take place models demolished over six days Combat flying Minor family RAmarillo TX thick Nets Combat events Either both brothers Gary 1 Andy R won places events Thats poppa Cary background Plane Fox-powered White Lightning design December 1987 67 Heres Celebrity Slow Combat eventrun unofficial event 1987 Netsmodels sponsored Core House Taffs Tanks Pear Model Products Cipolla Master Airscrew Models built Doc Passen featured external controls end Ci polla 25 power truly slow Slow Combat preformance Theres Info column Bob Carvers company makes superb stereo equipment Bob likes Combat has resources sponsor annual Bladder Grabber Combat meet Hes very smooth end consistent flierthe person mas ter octagonal loops besides Rich Brasher ThanJ hope continue great support future may have benefited printed word havent yet told us about work column offers opportunity tell doesnt have lengthy article highly technical nature Just building tip some notes club Scale activity photo latest Scale creation will Support CL Scale column Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th Street New Hyde Park NY 11040 CL Navy Carrier/Perry Continued page 66 Once scale factor determined out lines major components model can duplicated variety ways traditional method probably accuratealthough accuracy problem methods will describe use mechanical drawing procedures enlarge three-views easiest method draw reference line through components along length fuselage across span wing etc draw perpendicular lines across refer ence line intervals convenient model wing/fuselage junctions changes contour likely former rib locations etc lines reproduced paper used draw model using scale factor selected multiplier cross lines measure distance reference line outer contour three-view Multiply dimen sion scale factor transfer draw ing model method used quite often old model mag azines enlarge parts magazine plans grid method grid drawn over three-view larger grid larger scale factor drawn paper used model outlines model drawn matching points three-view outlines cross grid lines connecting points easiest method photograph threeview 35mm slides convenient project image appropriate size Onto paper perhaps can tape wall trace outlines Care must used ensure camera line perpendicular center threeview projector must also line perpen dicular paper Using precautions dis tortion can kept minimum Three-views can also copied Onto acetate using standard office copier projected using overhead vu-graph projector details basic structure can copied kit plans model similar size class should present no particular problem long builder sticks materials con struction methods familiar sure allow thickness fuselage wing sheeting drawing formers ribs Using procedures working drawing can produced first step turning dream iffto reality Good luck Richard L Perry 10035 Deadwood Ave Ells worth AFB SD 57706 SAFE FLYING IS NO ACCIDENT technique assumes model will fly shove also enginestarter gets Out way fast Good engine men know engine will start already moving out way follow through initial flip means may way out position rare occasion engine doesnt catch first flip two little tricks trade amongst pit men won awful lot matches Nats sure cant hurt What happened wild top-speed claims around country Greg Hill ran 129 mph Money Nats Jim Jack 121 mph unofficial Top Speed event years AMA Nats sure seems slow compared high estimates weve hearing call reported times estimates because flown plane above height 15 ft upper limit official speed times season just isnt fac tor put actual speed fly some thing over 15 ft engine really has chance cleaning up event Supertigre X-40 conver sion engines did very well Slow Rat al though K&B 58 won theyre strong enough hold up against some high-nitro runs Celebrity Fun-Fly Nats turned out rather poorly number reasons con cept seems sound execution substan dard MatcheL TOP AtplaneMacne K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POSY THINNER K&B SUPER POXY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS AMA WING NUMBERS AMA number single decal y apply AMA171120 2 Black letters clear plastic peel & stick 8-1 $12 includes postage 4-2.& handling 168 Model Aviation Send 50 LVIAEWS * aSASEIo I IlrXlChemicals rlin Rd Mt Vew CA 2c International tsCVI2 q$ RC SOARING DIGEST A monlrlly publication covering International RC Soaring Scene $16/year USA US $20/yr Canada& Mexico US $24/yr elsewhere via airmail RCSD PO Box 4079 Poyson AZ 85547 CL Combat/Johnson Continued page 67 ZO NAThe SAVVS famous Bne hobby saws Razor #200 universal #500 Ideal contest ojlots Replacemens Blades available dealer FAIModel SUDlV P0 Box 3957 Torrance CA 90610 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety suppfies werent planning flying Wednesday tried rush getting couple planes ready Cipolla 25s used RC Cars cylinder heads replaced aircraft-type ones Unfortunately engines cylinder-head bolt holes crankcase wasnt tapped deep enough bolts used hold car-type heads after substituted aircraft-type heads bottomed out before clamped head down tight resultant distortion compres sion loss made engine almost impossible start did run about 3000 rpm engine proper head bolts ran perfectly pulling model truly slow Slow Combat fashion cause agony apparent once took stuff back motel really looked over Very windy weather Thursday Friday prevented further test hops Al Kelly has talking about diesel conver sion engines add little oomph Al planning using diesel conversions Rossi Cipolla engines FAI team trials 4mm venturi large 15-size diesel speeds around century mark should possi ble Diesels should carry less fuel overall weight savings also require no battery no plug burn out have broader torque curve does hyperactive glow engine doesnt everyone use diesel now 4mm venturi 10%-intro rules Well find out team trials Detroit recollection high-performance diesels 1976 Combat World Champs cranky difficult tune Al clalms thats thing past 1987 versions will easy live stinky die sels dominate new battle cry may Think stink may already have happened time read look safety thong being re quired Combat eventsand possibly en gine restraint Both rules may slight inconvenience builder/flier can save someones head minimum DQ HOBBY k outdated old ard older basic RC systems can easily update adding dual rates mixing extra channels frequency changes etc need baaic eleecrical ability simple tools Written RIC tech 10 yrs exp 142 page journal includes sources diagrams charts detailed modificationS written simple under standable cest send $1995 check money order HOBBY RADIO 3001-A Kavanaugh Rd Wilson NtJ 27893 Phone 919 291-8548 Hobby Radio also offers professional R/C repairs mode Complete systems service battery pack servos vibration testing new frequency change etc manu facturer Alt repairs guaranteed performed minimal turnaround send sase price list complete services contest safety thong requirement has ap proved Control Line Contest Board im mediate implementation reported Octobers Competition Newsletter page 123 Charlie Johnson could have aware wrote month s column RMcM best place attach engine restraint backplate boltand sure use eyelet around wire slightly longer bolt noose type arrangement restraint wire encircling engine works extremely well need change engine wire wsll put wear marks engine case think youre asking trouble attach re straint engines mounting bolts since thats usually part vibrates out part prop blade gets chewed off Another point needs looking size pilots circle AMA circle much smaller FAI variety still leaves too much room wandering tactical use area spectators treated Howard Rushs use FAt circle during eliminations ran side other avoid hav ing opponent couple cuts down line up him lot AMA fliers thought really entertaining looked PRODUCTS .Odtinhar flflrm CR Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems lJnSupaSI like good tactic use AMA events too Doing could create some problems Any time youre lined up means other engine will cut opponents lines rather streamer model extra fly-away due pilots running around circle too thong may save couple fly aways restraint sure keep metal fast ball airplane way minimize cutaways tight pilots circle Perhaps DQ could given contestant evades opponent running around circle rather flying airplane away can hear howls now Combat track meet circle marshals AMA rule book calls him center judge responsibilities very clearly defined extra duty might signal pit crew either come circle stay outside 80-ft line Nats least three incidents pit crew peo ple ran retrieve downed model opposing model still under power loop ing overhead its lines wrapped around downed model worst model under power could hit pit man nothing else pit man could pull flying model ground has hap pened times simple wave cir UecemDer 1 1o cle marshal enter hand held up signal Whoa could save someones head put careful pit man disadvantage Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Indoor/Tenny Continued page 71 freshman Aerospace Engineering Sciences stu dents University Colorado As result Ihe following tentative dates have set up Fun FlyDecember 4 18 1987 first 1988 dates January 8 22 confirma tion information Les Shaw phone 303 499-0946 John Berryman303 337-2936 New York City area December 6 1987 Ed Whitten2 12 724-0282 Bracing wrap up following material will refer column items far back May 1987 SO jazz up memory look up re ferences Lets begin multipurpose bracing fix tures described July 87 issue starting point wing bracing fixtures wing mount block will later store fin ished wing model box Figure 1 shows mount block cabane two wing posts should have pre viously assembled flat board Note sketch cabane bevel has internal overhang cabane can also glue wing spar shown Figure 2 May 87 column increases strength wing/cabane joint Insert post/cabane assembly sockets anchor block center work area second step set up adjustable stands either side cabane assembly support bars set about two inches lower top posts Slide covered wing between posts let rest two stands Raise stand bars wing until wing center section flat spars just touch ing bottom cabane shown front view Figure 2 Glue wing post cabane after mea suring verify wing perpendicular posts Note wing uses center dihe dral break dihedral should installed before putting wing fixture Next move stands Out just beyond tip dihedral used shown Figure 3 Now time install washin washout use make tiny nick bottom left lead ing edge right trailing edge spars gently crack spars required twist stalled having bending stress spars sure reinforce spars nicks allowing drop glue soak nicked area Similar techniques can used install tip dihedral Install primary bracing secondary bracing used see Figure 4 September 87 col umn Finally move stands near tip using support tip dihedral glue joints dry Once again adjust tilt sup ports install washin washout used tips Install tip bracing use Next time bracing wrap up will continue bracing philosophy weight saving bracing repair adjustment reliability etc some extra information about months photos John Brunken has built model airplaneit flawless Piper Cub weighing just about four grams really neat part its transparent plastic prop blades quite bit area John attached tissue strips plastic making look like scale prop installed took unusual camera angle show both tissue plastic clearly Meanwhile guess John thought Indoor Scale too easyhe hasnt Out another fly ing session Bud Tenny PO Box 545 Richardson 7X 75080 FF Duration/Murphy Continued page 73 events attempts pump new life hobby inventive folks came popular P-30 Outdoor rubber-powered event now comes Pew Wee-30 effort postal-proxy contest promotion accomplished well complete Pee Wee-30 rules have printed various model publications cannot put finger info send SASE John Oldenkamp 3331 Adams Ave San Diego CA 92116 copy rules may wish subscribe El Torbellino goes $10/year 12 issues Good show gang Dual Spotlight last session made ref erence Bugs Buzz newsletter Thunderbugs Free Flight Club Long Beach Continued page 173 BC PRODUCTS NEW BULLET SPINNER Made 6061 Aluminum & weighs under loz 1 diameter 1 long us nose Specify thread engine size & make $600 & pay shipping US BC PRODUCTS 111 N Starkweather Pampa TX 79065 Call 806 6658361 accept MO/VISA & Money Orders Texas add 5% sales tax MODEL PRODUCTS CORP BOX 100 Allamuchy NJ 07820 lfnotavailahlewritedirectacjds2OOls5OOoutSideUSl - * * * * * * ****** * ** ******* ****** ** * * **** * ** *** BALSA WOOD Gmie setGLIDER PLANS 0INEXPENSIvE \KY0EASY TO BUILD &0-FLYING MODELS 0-FAMOUS AIRCRAFT REPLICAS %Z 0-RUBBER BAND HAND LAUNCH erafl*Eaar DElIS EACH 5515SF FLYING TO ORDER COMPLETE STAR KRAFT MODEl FROM I/IN. SHEETSET OP 17 PLANSPS DOD 321 BALSA & 3/16 STICK BALSA SEND $750 PLUS ISP LESS THAN ONE SHEET$150 POSTAGE TO IBOUNTIFUL ST BASIS AND ONE STIIE PEA MSSFI. I 17 DIFFERENT PLANS INCLUDING F-isF-lB F-lBF-4 U-2A-6 SPAE SHUTTLE 10 OTHERS 170 Model Aviation 0
Edition: Model Aviation - 1987/12
Page Numbers: 67, 168, 169, 170
Control Line Combat Charlie Johnson CLOSE matches have lost cause pilot second up watched closely pit work Texas teams during latest Nats may thing two us learn first step get out circle early get model ready Run engine make sure setting right needle locked down Shut engine off refill blad der necessary turn model upside down put four drops fuel exhaust Turn crankshaft normal direction rotation until piston up top its compression stroke Keep exhaust port closed dont flip prop put starting battery can leave mode minute two al though its better drill 30 sec before start time match T minus five seconds connect battery Go hit prop backwards base ball batting glove works well avoid cut fingers especially carbon-fiber props its tight fit better loose work glove engine starts isnt running cleanly immediately try drill using three drops fuel exhaust next time combination factors will start engine almost time Nothing model planes sure 12 competitors unofficial Pit Crew Contest Nats got perfectly clean start Ive never started engines backward flip always preferring blast over compressionwhich works worn-out engines like hot loose ones Sometimes engine wont start prop-flip direc tion whereas tap other direction brings life back-flipping also saves fing ers flipping old G-2 1 Supertigres very tight cold ABCs initial start critical theres some thing else weve missing boat times have engine running same time other guys seem launch first Whats happening launcher just opening up hands release model thats judge starts clock alrtime rest us have guiding model first few feet actual release point farther out though both models might exact same distance starting point clocked difference over second between two styles launchingand sometimes pit crew takes step youre going use system Id suggest pit crew kneel down aim model upward about 45 0 angle doing re lease business make release point ap parent judges looks obvious model climbs out high other cruises along low ground Continued page 168 Heres real family effort L Combat Cranfills Houston TX Sheila CL Combat pit boss Nate hubby Don R son Dennis took home enough trophies take place models demolished over six days Combat flying Minor family RAmarillo TX thick Nets Combat events Either both brothers Gary 1 Andy R won places events Thats poppa Cary background Plane Fox-powered White Lightning design December 1987 67 Heres Celebrity Slow Combat eventrun unofficial event 1987 Netsmodels sponsored Core House Taffs Tanks Pear Model Products Cipolla Master Airscrew Models built Doc Passen featured external controls end Ci polla 25 power truly slow Slow Combat preformance Theres Info column Bob Carvers company makes superb stereo equipment Bob likes Combat has resources sponsor annual Bladder Grabber Combat meet Hes very smooth end consistent flierthe person mas ter octagonal loops besides Rich Brasher ThanJ hope continue great support future may have benefited printed word havent yet told us about work column offers opportunity tell doesnt have lengthy article highly technical nature Just building tip some notes club Scale activity photo latest Scale creation will Support CL Scale column Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th Street New Hyde Park NY 11040 CL Navy Carrier/Perry Continued page 66 Once scale factor determined out lines major components model can duplicated variety ways traditional method probably accuratealthough accuracy problem methods will describe use mechanical drawing procedures enlarge three-views easiest method draw reference line through components along length fuselage across span wing etc draw perpendicular lines across refer ence line intervals convenient model wing/fuselage junctions changes contour likely former rib locations etc lines reproduced paper used draw model using scale factor selected multiplier cross lines measure distance reference line outer contour three-view Multiply dimen sion scale factor transfer draw ing model method used quite often old model mag azines enlarge parts magazine plans grid method grid drawn over three-view larger grid larger scale factor drawn paper used model outlines model drawn matching points three-view outlines cross grid lines connecting points easiest method photograph threeview 35mm slides convenient project image appropriate size Onto paper perhaps can tape wall trace outlines Care must used ensure camera line perpendicular center threeview projector must also line perpen dicular paper Using precautions dis tortion can kept minimum Three-views can also copied Onto acetate using standard office copier projected using overhead vu-graph projector details basic structure can copied kit plans model similar size class should present no particular problem long builder sticks materials con struction methods familiar sure allow thickness fuselage wing sheeting drawing formers ribs Using procedures working drawing can produced first step turning dream iffto reality Good luck Richard L Perry 10035 Deadwood Ave Ells worth AFB SD 57706 SAFE FLYING IS NO ACCIDENT technique assumes model will fly shove also enginestarter gets Out way fast Good engine men know engine will start already moving out way follow through initial flip means may way out position rare occasion engine doesnt catch first flip two little tricks trade amongst pit men won awful lot matches Nats sure cant hurt What happened wild top-speed claims around country Greg Hill ran 129 mph Money Nats Jim Jack 121 mph unofficial Top Speed event years AMA Nats sure seems slow compared high estimates weve hearing call reported times estimates because flown plane above height 15 ft upper limit official speed times season just isnt fac tor put actual speed fly some thing over 15 ft engine really has chance cleaning up event Supertigre X-40 conver sion engines did very well Slow Rat al though K&B 58 won theyre strong enough hold up against some high-nitro runs Celebrity Fun-Fly Nats turned out rather poorly number reasons con cept seems sound execution substan dard MatcheL TOP AtplaneMacne K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POSY THINNER K&B SUPER POXY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS AMA WING NUMBERS AMA number single decal y apply AMA171120 2 Black letters clear plastic peel & stick 8-1 $12 includes postage 4-2.& handling 168 Model Aviation Send 50 LVIAEWS * aSASEIo I IlrXlChemicals rlin Rd Mt Vew CA 2c International tsCVI2 q$ RC SOARING DIGEST A monlrlly publication covering International RC Soaring Scene $16/year USA US $20/yr Canada& Mexico US $24/yr elsewhere via airmail RCSD PO Box 4079 Poyson AZ 85547 CL Combat/Johnson Continued page 67 ZO NAThe SAVVS famous Bne hobby saws Razor #200 universal #500 Ideal contest ojlots Replacemens Blades available dealer FAIModel SUDlV P0 Box 3957 Torrance CA 90610 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety suppfies werent planning flying Wednesday tried rush getting couple planes ready Cipolla 25s used RC Cars cylinder heads replaced aircraft-type ones Unfortunately engines cylinder-head bolt holes crankcase wasnt tapped deep enough bolts used hold car-type heads after substituted aircraft-type heads bottomed out before clamped head down tight resultant distortion compres sion loss made engine almost impossible start did run about 3000 rpm engine proper head bolts ran perfectly pulling model truly slow Slow Combat fashion cause agony apparent once took stuff back motel really looked over Very windy weather Thursday Friday prevented further test hops Al Kelly has talking about diesel conver sion engines add little oomph Al planning using diesel conversions Rossi Cipolla engines FAI team trials 4mm venturi large 15-size diesel speeds around century mark should possi ble Diesels should carry less fuel overall weight savings also require no battery no plug burn out have broader torque curve does hyperactive glow engine doesnt everyone use diesel now 4mm venturi 10%-intro rules Well find out team trials Detroit recollection high-performance diesels 1976 Combat World Champs cranky difficult tune Al clalms thats thing past 1987 versions will easy live stinky die sels dominate new battle cry may Think stink may already have happened time read look safety thong being re quired Combat eventsand possibly en gine restraint Both rules may slight inconvenience builder/flier can save someones head minimum DQ HOBBY k outdated old ard older basic RC systems can easily update adding dual rates mixing extra channels frequency changes etc need baaic eleecrical ability simple tools Written RIC tech 10 yrs exp 142 page journal includes sources diagrams charts detailed modificationS written simple under standable cest send $1995 check money order HOBBY RADIO 3001-A Kavanaugh Rd Wilson NtJ 27893 Phone 919 291-8548 Hobby Radio also offers professional R/C repairs mode Complete systems service battery pack servos vibration testing new frequency change etc manu facturer Alt repairs guaranteed performed minimal turnaround send sase price list complete services contest safety thong requirement has ap proved Control Line Contest Board im mediate implementation reported Octobers Competition Newsletter page 123 Charlie Johnson could have aware wrote month s column RMcM best place attach engine restraint backplate boltand sure use eyelet around wire slightly longer bolt noose type arrangement restraint wire encircling engine works extremely well need change engine wire wsll put wear marks engine case think youre asking trouble attach re straint engines mounting bolts since thats usually part vibrates out part prop blade gets chewed off Another point needs looking size pilots circle AMA circle much smaller FAI variety still leaves too much room wandering tactical use area spectators treated Howard Rushs use FAt circle during eliminations ran side other avoid hav ing opponent couple cuts down line up him lot AMA fliers thought really entertaining looked PRODUCTS .Odtinhar flflrm CR Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems lJnSupaSI like good tactic use AMA events too Doing could create some problems Any time youre lined up means other engine will cut opponents lines rather streamer model extra fly-away due pilots running around circle too thong may save couple fly aways restraint sure keep metal fast ball airplane way minimize cutaways tight pilots circle Perhaps DQ could given contestant evades opponent running around circle rather flying airplane away can hear howls now Combat track meet circle marshals AMA rule book calls him center judge responsibilities very clearly defined extra duty might signal pit crew either come circle stay outside 80-ft line Nats least three incidents pit crew peo ple ran retrieve downed model opposing model still under power loop ing overhead its lines wrapped around downed model worst model under power could hit pit man nothing else pit man could pull flying model ground has hap pened times simple wave cir UecemDer 1 1o cle marshal enter hand held up signal Whoa could save someones head put careful pit man disadvantage Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Indoor/Tenny Continued page 71 freshman Aerospace Engineering Sciences stu dents University Colorado As result Ihe following tentative dates have set up Fun FlyDecember 4 18 1987 first 1988 dates January 8 22 confirma tion information Les Shaw phone 303 499-0946 John Berryman303 337-2936 New York City area December 6 1987 Ed Whitten2 12 724-0282 Bracing wrap up following material will refer column items far back May 1987 SO jazz up memory look up re ferences Lets begin multipurpose bracing fix tures described July 87 issue starting point wing bracing fixtures wing mount block will later store fin ished wing model box Figure 1 shows mount block cabane two wing posts should have pre viously assembled flat board Note sketch cabane bevel has internal overhang cabane can also glue wing spar shown Figure 2 May 87 column increases strength wing/cabane joint Insert post/cabane assembly sockets anchor block center work area second step set up adjustable stands either side cabane assembly support bars set about two inches lower top posts Slide covered wing between posts let rest two stands Raise stand bars wing until wing center section flat spars just touch ing bottom cabane shown front view Figure 2 Glue wing post cabane after mea suring verify wing perpendicular posts Note wing uses center dihe dral break dihedral should installed before putting wing fixture Next move stands Out just beyond tip dihedral used shown Figure 3 Now time install washin washout use make tiny nick bottom left lead ing edge right trailing edge spars gently crack spars required twist stalled having bending stress spars sure reinforce spars nicks allowing drop glue soak nicked area Similar techniques can used install tip dihedral Install primary bracing secondary bracing used see Figure 4 September 87 col umn Finally move stands near tip using support tip dihedral glue joints dry Once again adjust tilt sup ports install washin washout used tips Install tip bracing use Next time bracing wrap up will continue bracing philosophy weight saving bracing repair adjustment reliability etc some extra information about months photos John Brunken has built model airplaneit flawless Piper Cub weighing just about four grams really neat part its transparent plastic prop blades quite bit area John attached tissue strips plastic making look like scale prop installed took unusual camera angle show both tissue plastic clearly Meanwhile guess John thought Indoor Scale too easyhe hasnt Out another fly ing session Bud Tenny PO Box 545 Richardson 7X 75080 FF Duration/Murphy Continued page 73 events attempts pump new life hobby inventive folks came popular P-30 Outdoor rubber-powered event now comes Pew Wee-30 effort postal-proxy contest promotion accomplished well complete Pee Wee-30 rules have printed various model publications cannot put finger info send SASE John Oldenkamp 3331 Adams Ave San Diego CA 92116 copy rules may wish subscribe El Torbellino goes $10/year 12 issues Good show gang Dual Spotlight last session made ref erence Bugs Buzz newsletter Thunderbugs Free Flight Club Long Beach Continued page 173 BC PRODUCTS NEW BULLET SPINNER Made 6061 Aluminum & weighs under loz 1 diameter 1 long us nose Specify thread engine size & make $600 & pay shipping US BC PRODUCTS 111 N Starkweather Pampa TX 79065 Call 806 6658361 accept MO/VISA & Money Orders Texas add 5% sales tax MODEL PRODUCTS CORP BOX 100 Allamuchy NJ 07820 lfnotavailahlewritedirectacjds2OOls5OOoutSideUSl - * * * * * * ****** * ** ******* ****** ** * * **** * ** *** BALSA WOOD Gmie setGLIDER PLANS 0INEXPENSIvE \KY0EASY TO BUILD &0-FLYING MODELS 0-FAMOUS AIRCRAFT REPLICAS %Z 0-RUBBER BAND HAND LAUNCH erafl*Eaar DElIS EACH 5515SF FLYING TO ORDER COMPLETE STAR KRAFT MODEl FROM I/IN. SHEETSET OP 17 PLANSPS DOD 321 BALSA & 3/16 STICK BALSA SEND $750 PLUS ISP LESS THAN ONE SHEET$150 POSTAGE TO IBOUNTIFUL ST BASIS AND ONE STIIE PEA MSSFI. I 17 DIFFERENT PLANS INCLUDING F-isF-lB F-lBF-4 U-2A-6 SPAE SHUTTLE 10 OTHERS 170 Model Aviation 0
Edition: Model Aviation - 1987/12
Page Numbers: 67, 168, 169, 170
Control Line Combat Charlie Johnson CLOSE matches have lost cause pilot second up watched closely pit work Texas teams during latest Nats may thing two us learn first step get out circle early get model ready Run engine make sure setting right needle locked down Shut engine off refill blad der necessary turn model upside down put four drops fuel exhaust Turn crankshaft normal direction rotation until piston up top its compression stroke Keep exhaust port closed dont flip prop put starting battery can leave mode minute two al though its better drill 30 sec before start time match T minus five seconds connect battery Go hit prop backwards base ball batting glove works well avoid cut fingers especially carbon-fiber props its tight fit better loose work glove engine starts isnt running cleanly immediately try drill using three drops fuel exhaust next time combination factors will start engine almost time Nothing model planes sure 12 competitors unofficial Pit Crew Contest Nats got perfectly clean start Ive never started engines backward flip always preferring blast over compressionwhich works worn-out engines like hot loose ones Sometimes engine wont start prop-flip direc tion whereas tap other direction brings life back-flipping also saves fing ers flipping old G-2 1 Supertigres very tight cold ABCs initial start critical theres some thing else weve missing boat times have engine running same time other guys seem launch first Whats happening launcher just opening up hands release model thats judge starts clock alrtime rest us have guiding model first few feet actual release point farther out though both models might exact same distance starting point clocked difference over second between two styles launchingand sometimes pit crew takes step youre going use system Id suggest pit crew kneel down aim model upward about 45 0 angle doing re lease business make release point ap parent judges looks obvious model climbs out high other cruises along low ground Continued page 168 Heres real family effort L Combat Cranfills Houston TX Sheila CL Combat pit boss Nate hubby Don R son Dennis took home enough trophies take place models demolished over six days Combat flying Minor family RAmarillo TX thick Nets Combat events Either both brothers Gary 1 Andy R won places events Thats poppa Cary background Plane Fox-powered White Lightning design December 1987 67 Heres Celebrity Slow Combat eventrun unofficial event 1987 Netsmodels sponsored Core House Taffs Tanks Pear Model Products Cipolla Master Airscrew Models built Doc Passen featured external controls end Ci polla 25 power truly slow Slow Combat preformance Theres Info column Bob Carvers company makes superb stereo equipment Bob likes Combat has resources sponsor annual Bladder Grabber Combat meet Hes very smooth end consistent flierthe person mas ter octagonal loops besides Rich Brasher ThanJ hope continue great support future may have benefited printed word havent yet told us about work column offers opportunity tell doesnt have lengthy article highly technical nature Just building tip some notes club Scale activity photo latest Scale creation will Support CL Scale column Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th Street New Hyde Park NY 11040 CL Navy Carrier/Perry Continued page 66 Once scale factor determined out lines major components model can duplicated variety ways traditional method probably accuratealthough accuracy problem methods will describe use mechanical drawing procedures enlarge three-views easiest method draw reference line through components along length fuselage across span wing etc draw perpendicular lines across refer ence line intervals convenient model wing/fuselage junctions changes contour likely former rib locations etc lines reproduced paper used draw model using scale factor selected multiplier cross lines measure distance reference line outer contour three-view Multiply dimen sion scale factor transfer draw ing model method used quite often old model mag azines enlarge parts magazine plans grid method grid drawn over three-view larger grid larger scale factor drawn paper used model outlines model drawn matching points three-view outlines cross grid lines connecting points easiest method photograph threeview 35mm slides convenient project image appropriate size Onto paper perhaps can tape wall trace outlines Care must used ensure camera line perpendicular center threeview projector must also line perpen dicular paper Using precautions dis tortion can kept minimum Three-views can also copied Onto acetate using standard office copier projected using overhead vu-graph projector details basic structure can copied kit plans model similar size class should present no particular problem long builder sticks materials con struction methods familiar sure allow thickness fuselage wing sheeting drawing formers ribs Using procedures working drawing can produced first step turning dream iffto reality Good luck Richard L Perry 10035 Deadwood Ave Ells worth AFB SD 57706 SAFE FLYING IS NO ACCIDENT technique assumes model will fly shove also enginestarter gets Out way fast Good engine men know engine will start already moving out way follow through initial flip means may way out position rare occasion engine doesnt catch first flip two little tricks trade amongst pit men won awful lot matches Nats sure cant hurt What happened wild top-speed claims around country Greg Hill ran 129 mph Money Nats Jim Jack 121 mph unofficial Top Speed event years AMA Nats sure seems slow compared high estimates weve hearing call reported times estimates because flown plane above height 15 ft upper limit official speed times season just isnt fac tor put actual speed fly some thing over 15 ft engine really has chance cleaning up event Supertigre X-40 conver sion engines did very well Slow Rat al though K&B 58 won theyre strong enough hold up against some high-nitro runs Celebrity Fun-Fly Nats turned out rather poorly number reasons con cept seems sound execution substan dard MatcheL TOP AtplaneMacne K&B FUELSK&B GLOW PLUGS 9 Blends4 Choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESIN K&B SUPER POSY THINNER K&B SUPER POXY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS AMA WING NUMBERS AMA number single decal y apply AMA171120 2 Black letters clear plastic peel & stick 8-1 $12 includes postage 4-2.& handling 168 Model Aviation Send 50 LVIAEWS * aSASEIo I IlrXlChemicals rlin Rd Mt Vew CA 2c International tsCVI2 q$ RC SOARING DIGEST A monlrlly publication covering International RC Soaring Scene $16/year USA US $20/yr Canada& Mexico US $24/yr elsewhere via airmail RCSD PO Box 4079 Poyson AZ 85547 CL Combat/Johnson Continued page 67 ZO NAThe SAVVS famous Bne hobby saws Razor #200 universal #500 Ideal contest ojlots Replacemens Blades available dealer FAIModel SUDlV P0 Box 3957 Torrance CA 90610 CA MASK CA glue works wonders building models right Unfortunately gives enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety suppfies werent planning flying Wednesday tried rush getting couple planes ready Cipolla 25s used RC Cars cylinder heads replaced aircraft-type ones Unfortunately engines cylinder-head bolt holes crankcase wasnt tapped deep enough bolts used hold car-type heads after substituted aircraft-type heads bottomed out before clamped head down tight resultant distortion compres sion loss made engine almost impossible start did run about 3000 rpm engine proper head bolts ran perfectly pulling model truly slow Slow Combat fashion cause agony apparent once took stuff back motel really looked over Very windy weather Thursday Friday prevented further test hops Al Kelly has talking about diesel conver sion engines add little oomph Al planning using diesel conversions Rossi Cipolla engines FAI team trials 4mm venturi large 15-size diesel speeds around century mark should possi ble Diesels should carry less fuel overall weight savings also require no battery no plug burn out have broader torque curve does hyperactive glow engine doesnt everyone use diesel now 4mm venturi 10%-intro rules Well find out team trials Detroit recollection high-performance diesels 1976 Combat World Champs cranky difficult tune Al clalms thats thing past 1987 versions will easy live stinky die sels dominate new battle cry may Think stink may already have happened time read look safety thong being re quired Combat eventsand possibly en gine restraint Both rules may slight inconvenience builder/flier can save someones head minimum DQ HOBBY k outdated old ard older basic RC systems can easily update adding dual rates mixing extra channels frequency changes etc need baaic eleecrical ability simple tools Written RIC tech 10 yrs exp 142 page journal includes sources diagrams charts detailed modificationS written simple under standable cest send $1995 check money order HOBBY RADIO 3001-A Kavanaugh Rd Wilson NtJ 27893 Phone 919 291-8548 Hobby Radio also offers professional R/C repairs mode Complete systems service battery pack servos vibration testing new frequency change etc manu facturer Alt repairs guaranteed performed minimal turnaround send sase price list complete services contest safety thong requirement has ap proved Control Line Contest Board im mediate implementation reported Octobers Competition Newsletter page 123 Charlie Johnson could have aware wrote month s column RMcM best place attach engine restraint backplate boltand sure use eyelet around wire slightly longer bolt noose type arrangement restraint wire encircling engine works extremely well need change engine wire wsll put wear marks engine case think youre asking trouble attach re straint engines mounting bolts since thats usually part vibrates out part prop blade gets chewed off Another point needs looking size pilots circle AMA circle much smaller FAI variety still leaves too much room wandering tactical use area spectators treated Howard Rushs use FAt circle during eliminations ran side other avoid hav ing opponent couple cuts down line up him lot AMA fliers thought really entertaining looked PRODUCTS .Odtinhar flflrm CR Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems lJnSupaSI like good tactic use AMA events too Doing could create some problems Any time youre lined up means other engine will cut opponents lines rather streamer model extra fly-away due pilots running around circle too thong may save couple fly aways restraint sure keep metal fast ball airplane way minimize cutaways tight pilots circle Perhaps DQ could given contestant evades opponent running around circle rather flying airplane away can hear howls now Combat track meet circle marshals AMA rule book calls him center judge responsibilities very clearly defined extra duty might signal pit crew either come circle stay outside 80-ft line Nats least three incidents pit crew peo ple ran retrieve downed model opposing model still under power loop ing overhead its lines wrapped around downed model worst model under power could hit pit man nothing else pit man could pull flying model ground has hap pened times simple wave cir UecemDer 1 1o cle marshal enter hand held up signal Whoa could save someones head put careful pit man disadvantage Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Indoor/Tenny Continued page 71 freshman Aerospace Engineering Sciences stu dents University Colorado As result Ihe following tentative dates have set up Fun FlyDecember 4 18 1987 first 1988 dates January 8 22 confirma tion information Les Shaw phone 303 499-0946 John Berryman303 337-2936 New York City area December 6 1987 Ed Whitten2 12 724-0282 Bracing wrap up following material will refer column items far back May 1987 SO jazz up memory look up re ferences Lets begin multipurpose bracing fix tures described July 87 issue starting point wing bracing fixtures wing mount block will later store fin ished wing model box Figure 1 shows mount block cabane two wing posts should have pre viously assembled flat board Note sketch cabane bevel has internal overhang cabane can also glue wing spar shown Figure 2 May 87 column increases strength wing/cabane joint Insert post/cabane assembly sockets anchor block center work area second step set up adjustable stands either side cabane assembly support bars set about two inches lower top posts Slide covered wing between posts let rest two stands Raise stand bars wing until wing center section flat spars just touch ing bottom cabane shown front view Figure 2 Glue wing post cabane after mea suring verify wing perpendicular posts Note wing uses center dihe dral break dihedral should installed before putting wing fixture Next move stands Out just beyond tip dihedral used shown Figure 3 Now time install washin washout use make tiny nick bottom left lead ing edge right trailing edge spars gently crack spars required twist stalled having bending stress spars sure reinforce spars nicks allowing drop glue soak nicked area Similar techniques can used install tip dihedral Install primary bracing secondary bracing used see Figure 4 September 87 col umn Finally move stands near tip using support tip dihedral glue joints dry Once again adjust tilt sup ports install washin washout used tips Install tip bracing use Next time bracing wrap up will continue bracing philosophy weight saving bracing repair adjustment reliability etc some extra information about months photos John Brunken has built model airplaneit flawless Piper Cub weighing just about four grams really neat part its transparent plastic prop blades quite bit area John attached tissue strips plastic making look like scale prop installed took unusual camera angle show both tissue plastic clearly Meanwhile guess John thought Indoor Scale too easyhe hasnt Out another fly ing session Bud Tenny PO Box 545 Richardson 7X 75080 FF Duration/Murphy Continued page 73 events attempts pump new life hobby inventive folks came popular P-30 Outdoor rubber-powered event now comes Pew Wee-30 effort postal-proxy contest promotion accomplished well complete Pee Wee-30 rules have printed various model publications cannot put finger info send SASE John Oldenkamp 3331 Adams Ave San Diego CA 92116 copy rules may wish subscribe El Torbellino goes $10/year 12 issues Good show gang Dual Spotlight last session made ref erence Bugs Buzz newsletter Thunderbugs Free Flight Club Long Beach Continued page 173 BC PRODUCTS NEW BULLET SPINNER Made 6061 Aluminum & weighs under loz 1 diameter 1 long us nose Specify thread engine size & make $600 & pay shipping US BC PRODUCTS 111 N Starkweather Pampa TX 79065 Call 806 6658361 accept MO/VISA & Money Orders Texas add 5% sales tax MODEL PRODUCTS CORP BOX 100 Allamuchy NJ 07820 lfnotavailahlewritedirectacjds2OOls5OOoutSideUSl - * * * * * * ****** * ** ******* ****** ** * * **** * ** *** BALSA WOOD Gmie setGLIDER PLANS 0INEXPENSIvE \KY0EASY TO BUILD &0-FLYING MODELS 0-FAMOUS AIRCRAFT REPLICAS %Z 0-RUBBER BAND HAND LAUNCH erafl*Eaar DElIS EACH 5515SF FLYING TO ORDER COMPLETE STAR KRAFT MODEl FROM I/IN. SHEETSET OP 17 PLANSPS DOD 321 BALSA & 3/16 STICK BALSA SEND $750 PLUS ISP LESS THAN ONE SHEET$150 POSTAGE TO IBOUNTIFUL ST BASIS AND ONE STIIE PEA MSSFI. I 17 DIFFERENT PLANS INCLUDING F-isF-lB F-lBF-4 U-2A-6 SPAE SHUTTLE 10 OTHERS 170 Model Aviation 0