Solder brass 0plate bolts engine Brass block 3/8a1/2a5/8 0 C Fitting foCi Intake Drill 1/16 hole needle valve body Needle valve aeseebly roe engine Ground handling Speed model easier needle valve relocated behind en gine Heres make remote needle holding block can bolted either engine pan needle extension coming out either side fuselage ANOTHER column due springtime flying season upon us Its time get Speed jobs ready bunch props filed down balanced polished first Speed contest Midwest will Memorial Day weekend Sugar Grove IL club Treetown Modelaires has hosted show years have Control Line events including Record Ratio Speed havent photos col Glenn Lee 1989 Nets 21 Sport Speed modelit has turned 145 mph its Rossi 21 engine turning 6 x 6 prop like Scale Racers use Model design features have borrowed Bob Leuderdaics Dizzy Boy wing tail George Fongs Hell Razor fuselage Photo Mike Fiske Finger bandage Inch dia Short length neoprenethree long wrap tie end plastic tubIng both ends needle valve1t8 die plug Wrap tightly nylon fIshing lIne tie glue knot both enda ~- Surgical tubing two inches long Pressure-bladder fuel tank uses surgical tubing contain fuel finger bamdage protects long life Author Glenn Lee says will often lest him whole seasons flyingi 1 318 dIe wheel Wire wrap solder wires 1116 dia except front axle 015 bracee 015 die brace wire 1/5 00 bream tubing three piecee 2 Inch die front wheels Wrap black electricians tape Sand wires emery cloth wrap loints copper wire solder well Use electric soldering gun use torch Typical Speed model takeoff dolly mousetrap design model held doily wing clamps until going fast enough lift itself dolly off ground far enough let trIp wire drop down unlatch clamps dolly drops free umn should able take few meetthem Ill try fit bi Indianapolis contest week latermonthly pageContinued page 157 have good black-and-white Speed-related photos old new please send 7 4 -j 1 KFront axle true view -I--K#2i2 12 01e56 41 _____________________________________ Side view dolly Scale difficult part building takeoff dolly getting startedi drawing shows true flat view front axle scale side view dimensions Fabricate threewheel basic frame first add wing supports other structure Dont use torch heat parts soldering Its too easy overheat music wire take out its temper 72 Model Aviation Confrol Line Speed Glenn Lee 819 Mandrake Batavia iL 60510 30 spring steel approximately 045 thick bolted together blade spindles bolt plates followed molded nylon blade hubs also cover bearings interesting head cen ter portion rigid independent blade flap ping achieved through flexing steel plates Lead/lag controlled single-axis blade mount also spindle self can rotate slightly steel plate ship hovers does aerobatics very nicely noticeable vibration cabin very sleek racy appear ance molded what appears poly propylene makes difficult paint very high impact resistance cabin held place two small keys bottom main frame two posts rear cabin good job keeping place Since engine angled forward start ing cone accessible via top cabin access nicely laid out thing Kalt didnt think about access glow plug obscured Youll find necessary use re mote head lock some other device get elec Enforcer flies very well Since its 30size Helicopter Im certain people will look training think will well capacityas well other 30-size ships have Certainly lot new Helicopter fliers have joined fraternity through machines size However Enforcers overall lay out probably aimed pilots flying skills higher end intermediate expert regime hovers very stably also capable excellent aerobatic maneuvers Mine loops rolls ease does excellent rolling stall turn lot carry-through after roll autorotations predictable very good float Im very impressed flying characteristics lot fun fly does Enforcer exhibit lot sta bility will also perform maneuver youre going ask plenty collective throw theres ample capacity lot neg ative pitch will help lot inverted ma neuvers seems like lot rotor rpm aerobatics set ship up accordingly Speaking setup manual very explicit about all-important pitch settings youre using JR PCM 10 like am Ill give some ideas about setting pitch curves Nor mal position youre going want high stick 60 neutral low stick youre go ing want 2o Idle-Up 1 100 high stick 40 middle 20 low stick seems good combination go Idle-Up 2 youll want 100 high 40 middle 40 low stick Throttle Hold go high end 40 low end think its set up way youll want 1oops rolls second Idle-Up position Theres lot neg ative collective pitch available Enforcer really loves hold attitude per ceptible sink rolling stall turns Idle-Up 1 position summary found Enforcer its OS 32 engine JR PCM 10 radio very good combi nation ship looks good dream fly goes together very well Im very impressed quality throughout am looking ward spending lot time flying slightly negative side would like have seen Kalt supply some method glow plug ac cess machine also good idea add extra support tail boom tail rotor pushrod will stop undue flex ing resultant slop pushrod system want point out important thing remem ber youre flying Enforcer Dont let fuel level get too low tank Because tanks position fuel pickup orients itself left side Helicopter low fuel lev els one-quarter tank less right bank possible fuel will move away fuel pickup cause premature engine stoppage Look lot add-on accessories En forcer Im currently testing set Phoenix blades got Nick Nicholas Vortex Distributors Anaheim CA work well Enforcer just ticket fullhouse acrobatics point Id like thank Kalt making darn good Helicopter think company has raised state art 30-size machines con siderably release Enforcer Id also like thank Hobby Dynamics sending such fine machine test has real pleasure Next month Ill reporting 30-size con test Champaign Well see Concepts Enforcers Shuttles back back get idea people have modified ships techniques use things like Tune next month 30-size roundup CL Speed/Lee Continued page 72 months photo sent Mike Fiske Fort Worth TX along nice letter about Sport Jet flying Texas Sport Jet another lowkey Speed event designed attract us old-timers beginners would like fly Jet cannot handle 200-mph jobs Its fun event requires two lines stock jet engines exter nal controls contest-supplied 80% alco hol/20% MEK methyl ethyl ketone fuel Speeds have around 140 mph fuel has proved reliable easy starting Im building model event now will have photos information after fly Model design trim greatly affect speeds anyone has chance win Care finesse important building modAugust 1990 157 Torque About Power axi Ask FREE Engine Test Partef ComAe14e% 9mGirt4 Ae tricity glow plug THE WIREMAjII1m rhe extra large handle bends 1/8-1/4 coils 5/ 32-3116 music wire Wire creep eliminated ANTI-KREEP WIRE LOCKE catalog also has hardware accessories JOM COMPANY 114 WashIngton Terr Dept Waukegan IL 60085 10 FT B-17 PLANS$4200 EPOXY GLASS COWLS 0 PLASTIC NOSE 0 TURRETS $5500IA POWER4x40-45~/A1I\ 3 CATALOGS $900 THE SEST IN SCALE-SOS HOLMAN PO SOX 741 MA SAS pSO CA 5242 piece brass tubing retainer guide LEADER IN SMALL AIRFOIL TECHNOLOGY Greater Thrust Improved Glide Folding Propellers Longer Endurance Gain efficiency large propeller disk Master Airscrew folding propellers Featuring undercambered blades new 2 lightweight alumi num hub /4 mounting hole built-in spinner 12 x8 use 25 1 geared motors 15x12 31 through 45 1 geared motors Made tough glass-filled nylon Replacement blades available Competitively priced $895 12x8 $995 15x12 WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 el dont have worry about expensive ex otic fuels engine modifications Texas guys having great time out flying things fun Isnt what about try write column everyone begin ner 01d Pro dont get upset dwell basics quite bit Im trying increase num ber Speed fliers competition have convince tyros others think Speed too complicated technical jump try know can skip over beginners stuff OK Back 21 Sport Speed lot guys build ing airplanes event expect real blowout Nats Get busy get yours fin ishe4 dont have takeoff dolly Im sure can borrow contest potential Speed fliers intimidated thought building dolly isnt really tough can drive up wall thing doesnt work right have built dollies dur ing years some have worked great some have thrown away D Speed dolly instance big old raunchy-looking affair cant remember ever failing launch airplane 21 Sport Speed however has failed several times has dumped model out couple times has failed drop off airplane several times landed airplane safely dolly after fuel ran Out little happenings like give few gray hairs 21 SS lock-on mousetrap type Ive analyzing problem head winter error trip wire short could hang up other con struction wires didnt check time launched airplane soldered extension fix still hanging-on problem couple times think problem wing too close pivot point clamp-down wires will modified before flying season sketch dolly includes change Try keep dolly light using small wire possible Also note tail restrictor keeps model lined up dolly serves two other functions tooit prevents airplane nos ing over prevents airplane sliding back dolly starting thereby chewing up back prop Dont forget wrap inner front wheel electricians black tape has skid little dur ing takeoff run Make sure needle valve cannot hang up wires use slotted extension open needle valve since seems theres never enough room small dolly allow hands reach easily Just slot end %-in dowel glue rear-mounted needle valve assemblies shown drawings work very well use easiest fabricate like external-fill featureyou dont have take airplane apart time refuel tubing use bladders pure latex black thin-walled type comes Fisher Scientific Co Two sizes usable Speed %-in inside diameter ID %2 wall Speed classes %2 wall D Speed Fisher stock numbers 14-150-5A 14-150-5B respectively Individuals may have dif ficulty buying direct Fisher need some company order us tubing tough usually bladder tank will last season did have break last year rare occasion Fisher Scientific Co has offices cit ies 1600 W Glenlake Ave Itas ca IL 60143 finger bandage material necessary since isolates tubing hot speed pan ex tending lifetime greatly improving reli ability takes quite bit pressure fill tanks syringe almost necessity After fill ing tank fuel open needle valve lit tle look intake fuel starts dribble close needle Now engine will have fuel lubrication immediately shove starter Learn set needle valve properly poor setting will cost several mph Set first few flights rich side just backed up four-cycling lean out little flight until hit top speed interesting call modeler name forgot Memphis TN friends flying SpeedRC Speed have Pylon Racing-type airplanes full tuned pipes 40 46 engines produce speeds near 200 mph getting beaten too often needed some secrets up performance Im sure helped him out Maybe will let know reads First looking better props 8 x 8 using wasnt enough suggested try some 8 x 8 fiberglass versions crease pitch much could dont trust wood props Modern en gines put out much power break blades off forward thrust dont believe its centrifugal force blades caused high rpm makes fail looks like just snapped forward hap pens during flight airplane shaken apart RC jobs lose control instantly things turn SAVE YOUR FIELD SNuF-LER muffler low cost easy Install lightweight sound reducing muffler wish no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggeaslons SNUF-FLERTM -3 10 decIbels quieter stock muffler MUFFLER No power loss possible 300-500 RPM increase Patented Improvee engine idle s better fuel economy Easily attached 25-108 stock mufflers Heat corrosion resistant Black E coat finish No special adapters required -weighs oza Fits ASP BRAT ENYA FOX HP IRVINE K & B 05 MAX ROYAL YS SUPER OGRE mufflers available hobby obop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 25r STAMP accepted Add $250 UPS 5250 COD andt%oaleataoFOR ADDITIONAL INFO Calif residentAND YTEC CATALOG 158 Model Aviation MAStER AIRSCREW $2495 CAT NO aoo junk really fast Dont mess around Go fiber glass graphite composite now fuel using 40% nitrometh ane also suggested try 60% time used 60%-nitro fuel test flying B Speed job would give reasonable speeds Out burning blowing up engine hope 46 can take isnt easy just say what need go fast variables didnt ask him exhaust timing proper good pipe performance possibly raising exhaust opening 1850 1900 duration might help too means exhaust port open crank shaft rotates 1900 950 rotation way bottom dead centerBDCpiston position didnt ask him engine front- rearintake intake timing should also checked shouldnt make difference type intake long timing set high rpm rotary valve should open around 300 400 after BDC close about 600 after top dead center TDC approximate numbers really have test fly find out work So can see plenty things play before try such tricks single-bladed props lower oil content fuel fuel additives etc should enough month Future columns will cover Jet information other items can pick up contests Ill also tell about some new revolutionary technol ogy bearings rated above 60000 rpm can now build engine will last almost forever might also drastically improve performance tooso stay tuned RC Pylon Racing/Hager Continued page 50 last weekend topic discussion famil iar can debunk demystify whole idea competition flying general racing particular average Joe doesnt think have some kind rocket scientist get offered modest first step plane built year photos enclosed As can see plane appears half finished left side looks like normal mula right side done entirely PiC Coat ing Poxy K&B Clear wood seams visible fiberglass fuselage translucent re vealing details radio installation fire wall tank etc Before spraying final coat clear hand lettered construction lines callouts Rapidograph pen result half plane looks like set plans 3-D headline wing made rubon lettering says no secrets choice aircraft also consistent debunlring philosophy Its Formula Estrel lita kit produced Jim Gager Fort Wayne IN built light powered Quickie 500 engine uses Picco Simi lar planes using Rossi Fox engines now flying Denver area effort wean accomplished pilots away Quickie challenging events still have contend muffler rules local fields fly either stock mufflers muffled tuned pipes shown photos Either way performance surprisingly good Although concept identical mula 1-40 event several years ago find todays Quickie engines unlike old K&B 40s available have enough juice move Formula right along eleva tion 5000 ft best part about planes like fit local field half-and-half example instant conversation piece course Ive asked bring local clubs mall show honor normally bestow ed us grubby racer types FQ planes get noticed get flown lot dont intimidate Sun day flier crowd Ive overheard conversa tions field recently word racer immediately preceded word damn last months club meeting another local racing pilot gave seminar glass-andfoam technology using plane pictured starting point About half membership stayed around ask questions until hours night something dont nor mally people dont run out buy racing planes theyll least think highly us can help racing gen eral Id suggest racing pilots use little kind glasnost goes long way Boy sure great idea need people like Duane Gall promote sport Keep up good work Racing back Pueblo brief contest report taken Colorado Competition Soci ety CCS newsletter also written Duane Gall Pueblo Season Opener April 22 1990 CCS members Pueblo Sky Corral RC Club celebrated Earth Day own way Continued page 161 K TRANSMHTER TRAY Choice Champions Six Finger Advantage LAW LAND AIR & WATER Racing Products Radio Transmitter Tray ultimate radio transmitter tray flyer needs absolute control competition unqualified realism scale flight simply wants fly proficiently Ergonomically designed engineered shoulder straps Fully adjustable comfortable fit Spring tensioned easy off Lightweight ultra strong KOMATEX closed cell PVC transmitter pad UV resistant low thermal conductivity eliminates harmful static electricity Machined accept two stick transmitters Transmitter safely securely mounted tray means retention spring positive lock safety clip Shoulder straps frame assembly machined 6063-T52 grade polished anodized aluminum parts guaranteed against breakage rust warping AVAILABLE AT BETTER HOBBY STORES OR ORDER DIRECT LAWRACINEPRWDIWJI MANUFACTURING ThE WORLDS FINEST MODEL EQUIPMENT 1229 Capitol Drive Addison IL 60101 708 543-2030 Fax 708-543-6871 August 1990 159
Edition: Model Aviation - 1990/08
Page Numbers: 72, 157, 158, 159
Solder brass 0plate bolts engine Brass block 3/8a1/2a5/8 0 C Fitting foCi Intake Drill 1/16 hole needle valve body Needle valve aeseebly roe engine Ground handling Speed model easier needle valve relocated behind en gine Heres make remote needle holding block can bolted either engine pan needle extension coming out either side fuselage ANOTHER column due springtime flying season upon us Its time get Speed jobs ready bunch props filed down balanced polished first Speed contest Midwest will Memorial Day weekend Sugar Grove IL club Treetown Modelaires has hosted show years have Control Line events including Record Ratio Speed havent photos col Glenn Lee 1989 Nets 21 Sport Speed modelit has turned 145 mph its Rossi 21 engine turning 6 x 6 prop like Scale Racers use Model design features have borrowed Bob Leuderdaics Dizzy Boy wing tail George Fongs Hell Razor fuselage Photo Mike Fiske Finger bandage Inch dia Short length neoprenethree long wrap tie end plastic tubIng both ends needle valve1t8 die plug Wrap tightly nylon fIshing lIne tie glue knot both enda ~- Surgical tubing two inches long Pressure-bladder fuel tank uses surgical tubing contain fuel finger bamdage protects long life Author Glenn Lee says will often lest him whole seasons flyingi 1 318 dIe wheel Wire wrap solder wires 1116 dia except front axle 015 bracee 015 die brace wire 1/5 00 bream tubing three piecee 2 Inch die front wheels Wrap black electricians tape Sand wires emery cloth wrap loints copper wire solder well Use electric soldering gun use torch Typical Speed model takeoff dolly mousetrap design model held doily wing clamps until going fast enough lift itself dolly off ground far enough let trIp wire drop down unlatch clamps dolly drops free umn should able take few meetthem Ill try fit bi Indianapolis contest week latermonthly pageContinued page 157 have good black-and-white Speed-related photos old new please send 7 4 -j 1 KFront axle true view -I--K#2i2 12 01e56 41 _____________________________________ Side view dolly Scale difficult part building takeoff dolly getting startedi drawing shows true flat view front axle scale side view dimensions Fabricate threewheel basic frame first add wing supports other structure Dont use torch heat parts soldering Its too easy overheat music wire take out its temper 72 Model Aviation Confrol Line Speed Glenn Lee 819 Mandrake Batavia iL 60510 30 spring steel approximately 045 thick bolted together blade spindles bolt plates followed molded nylon blade hubs also cover bearings interesting head cen ter portion rigid independent blade flap ping achieved through flexing steel plates Lead/lag controlled single-axis blade mount also spindle self can rotate slightly steel plate ship hovers does aerobatics very nicely noticeable vibration cabin very sleek racy appear ance molded what appears poly propylene makes difficult paint very high impact resistance cabin held place two small keys bottom main frame two posts rear cabin good job keeping place Since engine angled forward start ing cone accessible via top cabin access nicely laid out thing Kalt didnt think about access glow plug obscured Youll find necessary use re mote head lock some other device get elec Enforcer flies very well Since its 30size Helicopter Im certain people will look training think will well capacityas well other 30-size ships have Certainly lot new Helicopter fliers have joined fraternity through machines size However Enforcers overall lay out probably aimed pilots flying skills higher end intermediate expert regime hovers very stably also capable excellent aerobatic maneuvers Mine loops rolls ease does excellent rolling stall turn lot carry-through after roll autorotations predictable very good float Im very impressed flying characteristics lot fun fly does Enforcer exhibit lot sta bility will also perform maneuver youre going ask plenty collective throw theres ample capacity lot neg ative pitch will help lot inverted ma neuvers seems like lot rotor rpm aerobatics set ship up accordingly Speaking setup manual very explicit about all-important pitch settings youre using JR PCM 10 like am Ill give some ideas about setting pitch curves Nor mal position youre going want high stick 60 neutral low stick youre go ing want 2o Idle-Up 1 100 high stick 40 middle 20 low stick seems good combination go Idle-Up 2 youll want 100 high 40 middle 40 low stick Throttle Hold go high end 40 low end think its set up way youll want 1oops rolls second Idle-Up position Theres lot neg ative collective pitch available Enforcer really loves hold attitude per ceptible sink rolling stall turns Idle-Up 1 position summary found Enforcer its OS 32 engine JR PCM 10 radio very good combi nation ship looks good dream fly goes together very well Im very impressed quality throughout am looking ward spending lot time flying slightly negative side would like have seen Kalt supply some method glow plug ac cess machine also good idea add extra support tail boom tail rotor pushrod will stop undue flex ing resultant slop pushrod system want point out important thing remem ber youre flying Enforcer Dont let fuel level get too low tank Because tanks position fuel pickup orients itself left side Helicopter low fuel lev els one-quarter tank less right bank possible fuel will move away fuel pickup cause premature engine stoppage Look lot add-on accessories En forcer Im currently testing set Phoenix blades got Nick Nicholas Vortex Distributors Anaheim CA work well Enforcer just ticket fullhouse acrobatics point Id like thank Kalt making darn good Helicopter think company has raised state art 30-size machines con siderably release Enforcer Id also like thank Hobby Dynamics sending such fine machine test has real pleasure Next month Ill reporting 30-size con test Champaign Well see Concepts Enforcers Shuttles back back get idea people have modified ships techniques use things like Tune next month 30-size roundup CL Speed/Lee Continued page 72 months photo sent Mike Fiske Fort Worth TX along nice letter about Sport Jet flying Texas Sport Jet another lowkey Speed event designed attract us old-timers beginners would like fly Jet cannot handle 200-mph jobs Its fun event requires two lines stock jet engines exter nal controls contest-supplied 80% alco hol/20% MEK methyl ethyl ketone fuel Speeds have around 140 mph fuel has proved reliable easy starting Im building model event now will have photos information after fly Model design trim greatly affect speeds anyone has chance win Care finesse important building modAugust 1990 157 Torque About Power axi Ask FREE Engine Test Partef ComAe14e% 9mGirt4 Ae tricity glow plug THE WIREMAjII1m rhe extra large handle bends 1/8-1/4 coils 5/ 32-3116 music wire Wire creep eliminated ANTI-KREEP WIRE LOCKE catalog also has hardware accessories JOM COMPANY 114 WashIngton Terr Dept Waukegan IL 60085 10 FT B-17 PLANS$4200 EPOXY GLASS COWLS 0 PLASTIC NOSE 0 TURRETS $5500IA POWER4x40-45~/A1I\ 3 CATALOGS $900 THE SEST IN SCALE-SOS HOLMAN PO SOX 741 MA SAS pSO CA 5242 piece brass tubing retainer guide LEADER IN SMALL AIRFOIL TECHNOLOGY Greater Thrust Improved Glide Folding Propellers Longer Endurance Gain efficiency large propeller disk Master Airscrew folding propellers Featuring undercambered blades new 2 lightweight alumi num hub /4 mounting hole built-in spinner 12 x8 use 25 1 geared motors 15x12 31 through 45 1 geared motors Made tough glass-filled nylon Replacement blades available Competitively priced $895 12x8 $995 15x12 WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 el dont have worry about expensive ex otic fuels engine modifications Texas guys having great time out flying things fun Isnt what about try write column everyone begin ner 01d Pro dont get upset dwell basics quite bit Im trying increase num ber Speed fliers competition have convince tyros others think Speed too complicated technical jump try know can skip over beginners stuff OK Back 21 Sport Speed lot guys build ing airplanes event expect real blowout Nats Get busy get yours fin ishe4 dont have takeoff dolly Im sure can borrow contest potential Speed fliers intimidated thought building dolly isnt really tough can drive up wall thing doesnt work right have built dollies dur ing years some have worked great some have thrown away D Speed dolly instance big old raunchy-looking affair cant remember ever failing launch airplane 21 Sport Speed however has failed several times has dumped model out couple times has failed drop off airplane several times landed airplane safely dolly after fuel ran Out little happenings like give few gray hairs 21 SS lock-on mousetrap type Ive analyzing problem head winter error trip wire short could hang up other con struction wires didnt check time launched airplane soldered extension fix still hanging-on problem couple times think problem wing too close pivot point clamp-down wires will modified before flying season sketch dolly includes change Try keep dolly light using small wire possible Also note tail restrictor keeps model lined up dolly serves two other functions tooit prevents airplane nos ing over prevents airplane sliding back dolly starting thereby chewing up back prop Dont forget wrap inner front wheel electricians black tape has skid little dur ing takeoff run Make sure needle valve cannot hang up wires use slotted extension open needle valve since seems theres never enough room small dolly allow hands reach easily Just slot end %-in dowel glue rear-mounted needle valve assemblies shown drawings work very well use easiest fabricate like external-fill featureyou dont have take airplane apart time refuel tubing use bladders pure latex black thin-walled type comes Fisher Scientific Co Two sizes usable Speed %-in inside diameter ID %2 wall Speed classes %2 wall D Speed Fisher stock numbers 14-150-5A 14-150-5B respectively Individuals may have dif ficulty buying direct Fisher need some company order us tubing tough usually bladder tank will last season did have break last year rare occasion Fisher Scientific Co has offices cit ies 1600 W Glenlake Ave Itas ca IL 60143 finger bandage material necessary since isolates tubing hot speed pan ex tending lifetime greatly improving reli ability takes quite bit pressure fill tanks syringe almost necessity After fill ing tank fuel open needle valve lit tle look intake fuel starts dribble close needle Now engine will have fuel lubrication immediately shove starter Learn set needle valve properly poor setting will cost several mph Set first few flights rich side just backed up four-cycling lean out little flight until hit top speed interesting call modeler name forgot Memphis TN friends flying SpeedRC Speed have Pylon Racing-type airplanes full tuned pipes 40 46 engines produce speeds near 200 mph getting beaten too often needed some secrets up performance Im sure helped him out Maybe will let know reads First looking better props 8 x 8 using wasnt enough suggested try some 8 x 8 fiberglass versions crease pitch much could dont trust wood props Modern en gines put out much power break blades off forward thrust dont believe its centrifugal force blades caused high rpm makes fail looks like just snapped forward hap pens during flight airplane shaken apart RC jobs lose control instantly things turn SAVE YOUR FIELD SNuF-LER muffler low cost easy Install lightweight sound reducing muffler wish no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggeaslons SNUF-FLERTM -3 10 decIbels quieter stock muffler MUFFLER No power loss possible 300-500 RPM increase Patented Improvee engine idle s better fuel economy Easily attached 25-108 stock mufflers Heat corrosion resistant Black E coat finish No special adapters required -weighs oza Fits ASP BRAT ENYA FOX HP IRVINE K & B 05 MAX ROYAL YS SUPER OGRE mufflers available hobby obop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 25r STAMP accepted Add $250 UPS 5250 COD andt%oaleataoFOR ADDITIONAL INFO Calif residentAND YTEC CATALOG 158 Model Aviation MAStER AIRSCREW $2495 CAT NO aoo junk really fast Dont mess around Go fiber glass graphite composite now fuel using 40% nitrometh ane also suggested try 60% time used 60%-nitro fuel test flying B Speed job would give reasonable speeds Out burning blowing up engine hope 46 can take isnt easy just say what need go fast variables didnt ask him exhaust timing proper good pipe performance possibly raising exhaust opening 1850 1900 duration might help too means exhaust port open crank shaft rotates 1900 950 rotation way bottom dead centerBDCpiston position didnt ask him engine front- rearintake intake timing should also checked shouldnt make difference type intake long timing set high rpm rotary valve should open around 300 400 after BDC close about 600 after top dead center TDC approximate numbers really have test fly find out work So can see plenty things play before try such tricks single-bladed props lower oil content fuel fuel additives etc should enough month Future columns will cover Jet information other items can pick up contests Ill also tell about some new revolutionary technol ogy bearings rated above 60000 rpm can now build engine will last almost forever might also drastically improve performance tooso stay tuned RC Pylon Racing/Hager Continued page 50 last weekend topic discussion famil iar can debunk demystify whole idea competition flying general racing particular average Joe doesnt think have some kind rocket scientist get offered modest first step plane built year photos enclosed As can see plane appears half finished left side looks like normal mula right side done entirely PiC Coat ing Poxy K&B Clear wood seams visible fiberglass fuselage translucent re vealing details radio installation fire wall tank etc Before spraying final coat clear hand lettered construction lines callouts Rapidograph pen result half plane looks like set plans 3-D headline wing made rubon lettering says no secrets choice aircraft also consistent debunlring philosophy Its Formula Estrel lita kit produced Jim Gager Fort Wayne IN built light powered Quickie 500 engine uses Picco Simi lar planes using Rossi Fox engines now flying Denver area effort wean accomplished pilots away Quickie challenging events still have contend muffler rules local fields fly either stock mufflers muffled tuned pipes shown photos Either way performance surprisingly good Although concept identical mula 1-40 event several years ago find todays Quickie engines unlike old K&B 40s available have enough juice move Formula right along eleva tion 5000 ft best part about planes like fit local field half-and-half example instant conversation piece course Ive asked bring local clubs mall show honor normally bestow ed us grubby racer types FQ planes get noticed get flown lot dont intimidate Sun day flier crowd Ive overheard conversa tions field recently word racer immediately preceded word damn last months club meeting another local racing pilot gave seminar glass-andfoam technology using plane pictured starting point About half membership stayed around ask questions until hours night something dont nor mally people dont run out buy racing planes theyll least think highly us can help racing gen eral Id suggest racing pilots use little kind glasnost goes long way Boy sure great idea need people like Duane Gall promote sport Keep up good work Racing back Pueblo brief contest report taken Colorado Competition Soci ety CCS newsletter also written Duane Gall Pueblo Season Opener April 22 1990 CCS members Pueblo Sky Corral RC Club celebrated Earth Day own way Continued page 161 K TRANSMHTER TRAY Choice Champions Six Finger Advantage LAW LAND AIR & WATER Racing Products Radio Transmitter Tray ultimate radio transmitter tray flyer needs absolute control competition unqualified realism scale flight simply wants fly proficiently Ergonomically designed engineered shoulder straps Fully adjustable comfortable fit Spring tensioned easy off Lightweight ultra strong KOMATEX closed cell PVC transmitter pad UV resistant low thermal conductivity eliminates harmful static electricity Machined accept two stick transmitters Transmitter safely securely mounted tray means retention spring positive lock safety clip Shoulder straps frame assembly machined 6063-T52 grade polished anodized aluminum parts guaranteed against breakage rust warping AVAILABLE AT BETTER HOBBY STORES OR ORDER DIRECT LAWRACINEPRWDIWJI MANUFACTURING ThE WORLDS FINEST MODEL EQUIPMENT 1229 Capitol Drive Addison IL 60101 708 543-2030 Fax 708-543-6871 August 1990 159
Edition: Model Aviation - 1990/08
Page Numbers: 72, 157, 158, 159
Solder brass 0plate bolts engine Brass block 3/8a1/2a5/8 0 C Fitting foCi Intake Drill 1/16 hole needle valve body Needle valve aeseebly roe engine Ground handling Speed model easier needle valve relocated behind en gine Heres make remote needle holding block can bolted either engine pan needle extension coming out either side fuselage ANOTHER column due springtime flying season upon us Its time get Speed jobs ready bunch props filed down balanced polished first Speed contest Midwest will Memorial Day weekend Sugar Grove IL club Treetown Modelaires has hosted show years have Control Line events including Record Ratio Speed havent photos col Glenn Lee 1989 Nets 21 Sport Speed modelit has turned 145 mph its Rossi 21 engine turning 6 x 6 prop like Scale Racers use Model design features have borrowed Bob Leuderdaics Dizzy Boy wing tail George Fongs Hell Razor fuselage Photo Mike Fiske Finger bandage Inch dia Short length neoprenethree long wrap tie end plastic tubIng both ends needle valve1t8 die plug Wrap tightly nylon fIshing lIne tie glue knot both enda ~- Surgical tubing two inches long Pressure-bladder fuel tank uses surgical tubing contain fuel finger bamdage protects long life Author Glenn Lee says will often lest him whole seasons flyingi 1 318 dIe wheel Wire wrap solder wires 1116 dia except front axle 015 bracee 015 die brace wire 1/5 00 bream tubing three piecee 2 Inch die front wheels Wrap black electricians tape Sand wires emery cloth wrap loints copper wire solder well Use electric soldering gun use torch Typical Speed model takeoff dolly mousetrap design model held doily wing clamps until going fast enough lift itself dolly off ground far enough let trIp wire drop down unlatch clamps dolly drops free umn should able take few meetthem Ill try fit bi Indianapolis contest week latermonthly pageContinued page 157 have good black-and-white Speed-related photos old new please send 7 4 -j 1 KFront axle true view -I--K#2i2 12 01e56 41 _____________________________________ Side view dolly Scale difficult part building takeoff dolly getting startedi drawing shows true flat view front axle scale side view dimensions Fabricate threewheel basic frame first add wing supports other structure Dont use torch heat parts soldering Its too easy overheat music wire take out its temper 72 Model Aviation Confrol Line Speed Glenn Lee 819 Mandrake Batavia iL 60510 30 spring steel approximately 045 thick bolted together blade spindles bolt plates followed molded nylon blade hubs also cover bearings interesting head cen ter portion rigid independent blade flap ping achieved through flexing steel plates Lead/lag controlled single-axis blade mount also spindle self can rotate slightly steel plate ship hovers does aerobatics very nicely noticeable vibration cabin very sleek racy appear ance molded what appears poly propylene makes difficult paint very high impact resistance cabin held place two small keys bottom main frame two posts rear cabin good job keeping place Since engine angled forward start ing cone accessible via top cabin access nicely laid out thing Kalt didnt think about access glow plug obscured Youll find necessary use re mote head lock some other device get elec Enforcer flies very well Since its 30size Helicopter Im certain people will look training think will well capacityas well other 30-size ships have Certainly lot new Helicopter fliers have joined fraternity through machines size However Enforcers overall lay out probably aimed pilots flying skills higher end intermediate expert regime hovers very stably also capable excellent aerobatic maneuvers Mine loops rolls ease does excellent rolling stall turn lot carry-through after roll autorotations predictable very good float Im very impressed flying characteristics lot fun fly does Enforcer exhibit lot sta bility will also perform maneuver youre going ask plenty collective throw theres ample capacity lot neg ative pitch will help lot inverted ma neuvers seems like lot rotor rpm aerobatics set ship up accordingly Speaking setup manual very explicit about all-important pitch settings youre using JR PCM 10 like am Ill give some ideas about setting pitch curves Nor mal position youre going want high stick 60 neutral low stick youre go ing want 2o Idle-Up 1 100 high stick 40 middle 20 low stick seems good combination go Idle-Up 2 youll want 100 high 40 middle 40 low stick Throttle Hold go high end 40 low end think its set up way youll want 1oops rolls second Idle-Up position Theres lot neg ative collective pitch available Enforcer really loves hold attitude per ceptible sink rolling stall turns Idle-Up 1 position summary found Enforcer its OS 32 engine JR PCM 10 radio very good combi nation ship looks good dream fly goes together very well Im very impressed quality throughout am looking ward spending lot time flying slightly negative side would like have seen Kalt supply some method glow plug ac cess machine also good idea add extra support tail boom tail rotor pushrod will stop undue flex ing resultant slop pushrod system want point out important thing remem ber youre flying Enforcer Dont let fuel level get too low tank Because tanks position fuel pickup orients itself left side Helicopter low fuel lev els one-quarter tank less right bank possible fuel will move away fuel pickup cause premature engine stoppage Look lot add-on accessories En forcer Im currently testing set Phoenix blades got Nick Nicholas Vortex Distributors Anaheim CA work well Enforcer just ticket fullhouse acrobatics point Id like thank Kalt making darn good Helicopter think company has raised state art 30-size machines con siderably release Enforcer Id also like thank Hobby Dynamics sending such fine machine test has real pleasure Next month Ill reporting 30-size con test Champaign Well see Concepts Enforcers Shuttles back back get idea people have modified ships techniques use things like Tune next month 30-size roundup CL Speed/Lee Continued page 72 months photo sent Mike Fiske Fort Worth TX along nice letter about Sport Jet flying Texas Sport Jet another lowkey Speed event designed attract us old-timers beginners would like fly Jet cannot handle 200-mph jobs Its fun event requires two lines stock jet engines exter nal controls contest-supplied 80% alco hol/20% MEK methyl ethyl ketone fuel Speeds have around 140 mph fuel has proved reliable easy starting Im building model event now will have photos information after fly Model design trim greatly affect speeds anyone has chance win Care finesse important building modAugust 1990 157 Torque About Power axi Ask FREE Engine Test Partef ComAe14e% 9mGirt4 Ae tricity glow plug THE WIREMAjII1m rhe extra large handle bends 1/8-1/4 coils 5/ 32-3116 music wire Wire creep eliminated ANTI-KREEP WIRE LOCKE catalog also has hardware accessories JOM COMPANY 114 WashIngton Terr Dept Waukegan IL 60085 10 FT B-17 PLANS$4200 EPOXY GLASS COWLS 0 PLASTIC NOSE 0 TURRETS $5500IA POWER4x40-45~/A1I\ 3 CATALOGS $900 THE SEST IN SCALE-SOS HOLMAN PO SOX 741 MA SAS pSO CA 5242 piece brass tubing retainer guide LEADER IN SMALL AIRFOIL TECHNOLOGY Greater Thrust Improved Glide Folding Propellers Longer Endurance Gain efficiency large propeller disk Master Airscrew folding propellers Featuring undercambered blades new 2 lightweight alumi num hub /4 mounting hole built-in spinner 12 x8 use 25 1 geared motors 15x12 31 through 45 1 geared motors Made tough glass-filled nylon Replacement blades available Competitively priced $895 12x8 $995 15x12 WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 el dont have worry about expensive ex otic fuels engine modifications Texas guys having great time out flying things fun Isnt what about try write column everyone begin ner 01d Pro dont get upset dwell basics quite bit Im trying increase num ber Speed fliers competition have convince tyros others think Speed too complicated technical jump try know can skip over beginners stuff OK Back 21 Sport Speed lot guys build ing airplanes event expect real blowout Nats Get busy get yours fin ishe4 dont have takeoff dolly Im sure can borrow contest potential Speed fliers intimidated thought building dolly isnt really tough can drive up wall thing doesnt work right have built dollies dur ing years some have worked great some have thrown away D Speed dolly instance big old raunchy-looking affair cant remember ever failing launch airplane 21 Sport Speed however has failed several times has dumped model out couple times has failed drop off airplane several times landed airplane safely dolly after fuel ran Out little happenings like give few gray hairs 21 SS lock-on mousetrap type Ive analyzing problem head winter error trip wire short could hang up other con struction wires didnt check time launched airplane soldered extension fix still hanging-on problem couple times think problem wing too close pivot point clamp-down wires will modified before flying season sketch dolly includes change Try keep dolly light using small wire possible Also note tail restrictor keeps model lined up dolly serves two other functions tooit prevents airplane nos ing over prevents airplane sliding back dolly starting thereby chewing up back prop Dont forget wrap inner front wheel electricians black tape has skid little dur ing takeoff run Make sure needle valve cannot hang up wires use slotted extension open needle valve since seems theres never enough room small dolly allow hands reach easily Just slot end %-in dowel glue rear-mounted needle valve assemblies shown drawings work very well use easiest fabricate like external-fill featureyou dont have take airplane apart time refuel tubing use bladders pure latex black thin-walled type comes Fisher Scientific Co Two sizes usable Speed %-in inside diameter ID %2 wall Speed classes %2 wall D Speed Fisher stock numbers 14-150-5A 14-150-5B respectively Individuals may have dif ficulty buying direct Fisher need some company order us tubing tough usually bladder tank will last season did have break last year rare occasion Fisher Scientific Co has offices cit ies 1600 W Glenlake Ave Itas ca IL 60143 finger bandage material necessary since isolates tubing hot speed pan ex tending lifetime greatly improving reli ability takes quite bit pressure fill tanks syringe almost necessity After fill ing tank fuel open needle valve lit tle look intake fuel starts dribble close needle Now engine will have fuel lubrication immediately shove starter Learn set needle valve properly poor setting will cost several mph Set first few flights rich side just backed up four-cycling lean out little flight until hit top speed interesting call modeler name forgot Memphis TN friends flying SpeedRC Speed have Pylon Racing-type airplanes full tuned pipes 40 46 engines produce speeds near 200 mph getting beaten too often needed some secrets up performance Im sure helped him out Maybe will let know reads First looking better props 8 x 8 using wasnt enough suggested try some 8 x 8 fiberglass versions crease pitch much could dont trust wood props Modern en gines put out much power break blades off forward thrust dont believe its centrifugal force blades caused high rpm makes fail looks like just snapped forward hap pens during flight airplane shaken apart RC jobs lose control instantly things turn SAVE YOUR FIELD SNuF-LER muffler low cost easy Install lightweight sound reducing muffler wish no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggeaslons SNUF-FLERTM -3 10 decIbels quieter stock muffler MUFFLER No power loss possible 300-500 RPM increase Patented Improvee engine idle s better fuel economy Easily attached 25-108 stock mufflers Heat corrosion resistant Black E coat finish No special adapters required -weighs oza Fits ASP BRAT ENYA FOX HP IRVINE K & B 05 MAX ROYAL YS SUPER OGRE mufflers available hobby obop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 25r STAMP accepted Add $250 UPS 5250 COD andt%oaleataoFOR ADDITIONAL INFO Calif residentAND YTEC CATALOG 158 Model Aviation MAStER AIRSCREW $2495 CAT NO aoo junk really fast Dont mess around Go fiber glass graphite composite now fuel using 40% nitrometh ane also suggested try 60% time used 60%-nitro fuel test flying B Speed job would give reasonable speeds Out burning blowing up engine hope 46 can take isnt easy just say what need go fast variables didnt ask him exhaust timing proper good pipe performance possibly raising exhaust opening 1850 1900 duration might help too means exhaust port open crank shaft rotates 1900 950 rotation way bottom dead centerBDCpiston position didnt ask him engine front- rearintake intake timing should also checked shouldnt make difference type intake long timing set high rpm rotary valve should open around 300 400 after BDC close about 600 after top dead center TDC approximate numbers really have test fly find out work So can see plenty things play before try such tricks single-bladed props lower oil content fuel fuel additives etc should enough month Future columns will cover Jet information other items can pick up contests Ill also tell about some new revolutionary technol ogy bearings rated above 60000 rpm can now build engine will last almost forever might also drastically improve performance tooso stay tuned RC Pylon Racing/Hager Continued page 50 last weekend topic discussion famil iar can debunk demystify whole idea competition flying general racing particular average Joe doesnt think have some kind rocket scientist get offered modest first step plane built year photos enclosed As can see plane appears half finished left side looks like normal mula right side done entirely PiC Coat ing Poxy K&B Clear wood seams visible fiberglass fuselage translucent re vealing details radio installation fire wall tank etc Before spraying final coat clear hand lettered construction lines callouts Rapidograph pen result half plane looks like set plans 3-D headline wing made rubon lettering says no secrets choice aircraft also consistent debunlring philosophy Its Formula Estrel lita kit produced Jim Gager Fort Wayne IN built light powered Quickie 500 engine uses Picco Simi lar planes using Rossi Fox engines now flying Denver area effort wean accomplished pilots away Quickie challenging events still have contend muffler rules local fields fly either stock mufflers muffled tuned pipes shown photos Either way performance surprisingly good Although concept identical mula 1-40 event several years ago find todays Quickie engines unlike old K&B 40s available have enough juice move Formula right along eleva tion 5000 ft best part about planes like fit local field half-and-half example instant conversation piece course Ive asked bring local clubs mall show honor normally bestow ed us grubby racer types FQ planes get noticed get flown lot dont intimidate Sun day flier crowd Ive overheard conversa tions field recently word racer immediately preceded word damn last months club meeting another local racing pilot gave seminar glass-andfoam technology using plane pictured starting point About half membership stayed around ask questions until hours night something dont nor mally people dont run out buy racing planes theyll least think highly us can help racing gen eral Id suggest racing pilots use little kind glasnost goes long way Boy sure great idea need people like Duane Gall promote sport Keep up good work Racing back Pueblo brief contest report taken Colorado Competition Soci ety CCS newsletter also written Duane Gall Pueblo Season Opener April 22 1990 CCS members Pueblo Sky Corral RC Club celebrated Earth Day own way Continued page 161 K TRANSMHTER TRAY Choice Champions Six Finger Advantage LAW LAND AIR & WATER Racing Products Radio Transmitter Tray ultimate radio transmitter tray flyer needs absolute control competition unqualified realism scale flight simply wants fly proficiently Ergonomically designed engineered shoulder straps Fully adjustable comfortable fit Spring tensioned easy off Lightweight ultra strong KOMATEX closed cell PVC transmitter pad UV resistant low thermal conductivity eliminates harmful static electricity Machined accept two stick transmitters Transmitter safely securely mounted tray means retention spring positive lock safety clip Shoulder straps frame assembly machined 6063-T52 grade polished anodized aluminum parts guaranteed against breakage rust warping AVAILABLE AT BETTER HOBBY STORES OR ORDER DIRECT LAWRACINEPRWDIWJI MANUFACTURING ThE WORLDS FINEST MODEL EQUIPMENT 1229 Capitol Drive Addison IL 60101 708 543-2030 Fax 708-543-6871 August 1990 159
Edition: Model Aviation - 1990/08
Page Numbers: 72, 157, 158, 159
Solder brass 0plate bolts engine Brass block 3/8a1/2a5/8 0 C Fitting foCi Intake Drill 1/16 hole needle valve body Needle valve aeseebly roe engine Ground handling Speed model easier needle valve relocated behind en gine Heres make remote needle holding block can bolted either engine pan needle extension coming out either side fuselage ANOTHER column due springtime flying season upon us Its time get Speed jobs ready bunch props filed down balanced polished first Speed contest Midwest will Memorial Day weekend Sugar Grove IL club Treetown Modelaires has hosted show years have Control Line events including Record Ratio Speed havent photos col Glenn Lee 1989 Nets 21 Sport Speed modelit has turned 145 mph its Rossi 21 engine turning 6 x 6 prop like Scale Racers use Model design features have borrowed Bob Leuderdaics Dizzy Boy wing tail George Fongs Hell Razor fuselage Photo Mike Fiske Finger bandage Inch dia Short length neoprenethree long wrap tie end plastic tubIng both ends needle valve1t8 die plug Wrap tightly nylon fIshing lIne tie glue knot both enda ~- Surgical tubing two inches long Pressure-bladder fuel tank uses surgical tubing contain fuel finger bamdage protects long life Author Glenn Lee says will often lest him whole seasons flyingi 1 318 dIe wheel Wire wrap solder wires 1116 dia except front axle 015 bracee 015 die brace wire 1/5 00 bream tubing three piecee 2 Inch die front wheels Wrap black electricians tape Sand wires emery cloth wrap loints copper wire solder well Use electric soldering gun use torch Typical Speed model takeoff dolly mousetrap design model held doily wing clamps until going fast enough lift itself dolly off ground far enough let trIp wire drop down unlatch clamps dolly drops free umn should able take few meetthem Ill try fit bi Indianapolis contest week latermonthly pageContinued page 157 have good black-and-white Speed-related photos old new please send 7 4 -j 1 KFront axle true view -I--K#2i2 12 01e56 41 _____________________________________ Side view dolly Scale difficult part building takeoff dolly getting startedi drawing shows true flat view front axle scale side view dimensions Fabricate threewheel basic frame first add wing supports other structure Dont use torch heat parts soldering Its too easy overheat music wire take out its temper 72 Model Aviation Confrol Line Speed Glenn Lee 819 Mandrake Batavia iL 60510 30 spring steel approximately 045 thick bolted together blade spindles bolt plates followed molded nylon blade hubs also cover bearings interesting head cen ter portion rigid independent blade flap ping achieved through flexing steel plates Lead/lag controlled single-axis blade mount also spindle self can rotate slightly steel plate ship hovers does aerobatics very nicely noticeable vibration cabin very sleek racy appear ance molded what appears poly propylene makes difficult paint very high impact resistance cabin held place two small keys bottom main frame two posts rear cabin good job keeping place Since engine angled forward start ing cone accessible via top cabin access nicely laid out thing Kalt didnt think about access glow plug obscured Youll find necessary use re mote head lock some other device get elec Enforcer flies very well Since its 30size Helicopter Im certain people will look training think will well capacityas well other 30-size ships have Certainly lot new Helicopter fliers have joined fraternity through machines size However Enforcers overall lay out probably aimed pilots flying skills higher end intermediate expert regime hovers very stably also capable excellent aerobatic maneuvers Mine loops rolls ease does excellent rolling stall turn lot carry-through after roll autorotations predictable very good float Im very impressed flying characteristics lot fun fly does Enforcer exhibit lot sta bility will also perform maneuver youre going ask plenty collective throw theres ample capacity lot neg ative pitch will help lot inverted ma neuvers seems like lot rotor rpm aerobatics set ship up accordingly Speaking setup manual very explicit about all-important pitch settings youre using JR PCM 10 like am Ill give some ideas about setting pitch curves Nor mal position youre going want high stick 60 neutral low stick youre go ing want 2o Idle-Up 1 100 high stick 40 middle 20 low stick seems good combination go Idle-Up 2 youll want 100 high 40 middle 40 low stick Throttle Hold go high end 40 low end think its set up way youll want 1oops rolls second Idle-Up position Theres lot neg ative collective pitch available Enforcer really loves hold attitude per ceptible sink rolling stall turns Idle-Up 1 position summary found Enforcer its OS 32 engine JR PCM 10 radio very good combi nation ship looks good dream fly goes together very well Im very impressed quality throughout am looking ward spending lot time flying slightly negative side would like have seen Kalt supply some method glow plug ac cess machine also good idea add extra support tail boom tail rotor pushrod will stop undue flex ing resultant slop pushrod system want point out important thing remem ber youre flying Enforcer Dont let fuel level get too low tank Because tanks position fuel pickup orients itself left side Helicopter low fuel lev els one-quarter tank less right bank possible fuel will move away fuel pickup cause premature engine stoppage Look lot add-on accessories En forcer Im currently testing set Phoenix blades got Nick Nicholas Vortex Distributors Anaheim CA work well Enforcer just ticket fullhouse acrobatics point Id like thank Kalt making darn good Helicopter think company has raised state art 30-size machines con siderably release Enforcer Id also like thank Hobby Dynamics sending such fine machine test has real pleasure Next month Ill reporting 30-size con test Champaign Well see Concepts Enforcers Shuttles back back get idea people have modified ships techniques use things like Tune next month 30-size roundup CL Speed/Lee Continued page 72 months photo sent Mike Fiske Fort Worth TX along nice letter about Sport Jet flying Texas Sport Jet another lowkey Speed event designed attract us old-timers beginners would like fly Jet cannot handle 200-mph jobs Its fun event requires two lines stock jet engines exter nal controls contest-supplied 80% alco hol/20% MEK methyl ethyl ketone fuel Speeds have around 140 mph fuel has proved reliable easy starting Im building model event now will have photos information after fly Model design trim greatly affect speeds anyone has chance win Care finesse important building modAugust 1990 157 Torque About Power axi Ask FREE Engine Test Partef ComAe14e% 9mGirt4 Ae tricity glow plug THE WIREMAjII1m rhe extra large handle bends 1/8-1/4 coils 5/ 32-3116 music wire Wire creep eliminated ANTI-KREEP WIRE LOCKE catalog also has hardware accessories JOM COMPANY 114 WashIngton Terr Dept Waukegan IL 60085 10 FT B-17 PLANS$4200 EPOXY GLASS COWLS 0 PLASTIC NOSE 0 TURRETS $5500IA POWER4x40-45~/A1I\ 3 CATALOGS $900 THE SEST IN SCALE-SOS HOLMAN PO SOX 741 MA SAS pSO CA 5242 piece brass tubing retainer guide LEADER IN SMALL AIRFOIL TECHNOLOGY Greater Thrust Improved Glide Folding Propellers Longer Endurance Gain efficiency large propeller disk Master Airscrew folding propellers Featuring undercambered blades new 2 lightweight alumi num hub /4 mounting hole built-in spinner 12 x8 use 25 1 geared motors 15x12 31 through 45 1 geared motors Made tough glass-filled nylon Replacement blades available Competitively priced $895 12x8 $995 15x12 WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 el dont have worry about expensive ex otic fuels engine modifications Texas guys having great time out flying things fun Isnt what about try write column everyone begin ner 01d Pro dont get upset dwell basics quite bit Im trying increase num ber Speed fliers competition have convince tyros others think Speed too complicated technical jump try know can skip over beginners stuff OK Back 21 Sport Speed lot guys build ing airplanes event expect real blowout Nats Get busy get yours fin ishe4 dont have takeoff dolly Im sure can borrow contest potential Speed fliers intimidated thought building dolly isnt really tough can drive up wall thing doesnt work right have built dollies dur ing years some have worked great some have thrown away D Speed dolly instance big old raunchy-looking affair cant remember ever failing launch airplane 21 Sport Speed however has failed several times has dumped model out couple times has failed drop off airplane several times landed airplane safely dolly after fuel ran Out little happenings like give few gray hairs 21 SS lock-on mousetrap type Ive analyzing problem head winter error trip wire short could hang up other con struction wires didnt check time launched airplane soldered extension fix still hanging-on problem couple times think problem wing too close pivot point clamp-down wires will modified before flying season sketch dolly includes change Try keep dolly light using small wire possible Also note tail restrictor keeps model lined up dolly serves two other functions tooit prevents airplane nos ing over prevents airplane sliding back dolly starting thereby chewing up back prop Dont forget wrap inner front wheel electricians black tape has skid little dur ing takeoff run Make sure needle valve cannot hang up wires use slotted extension open needle valve since seems theres never enough room small dolly allow hands reach easily Just slot end %-in dowel glue rear-mounted needle valve assemblies shown drawings work very well use easiest fabricate like external-fill featureyou dont have take airplane apart time refuel tubing use bladders pure latex black thin-walled type comes Fisher Scientific Co Two sizes usable Speed %-in inside diameter ID %2 wall Speed classes %2 wall D Speed Fisher stock numbers 14-150-5A 14-150-5B respectively Individuals may have dif ficulty buying direct Fisher need some company order us tubing tough usually bladder tank will last season did have break last year rare occasion Fisher Scientific Co has offices cit ies 1600 W Glenlake Ave Itas ca IL 60143 finger bandage material necessary since isolates tubing hot speed pan ex tending lifetime greatly improving reli ability takes quite bit pressure fill tanks syringe almost necessity After fill ing tank fuel open needle valve lit tle look intake fuel starts dribble close needle Now engine will have fuel lubrication immediately shove starter Learn set needle valve properly poor setting will cost several mph Set first few flights rich side just backed up four-cycling lean out little flight until hit top speed interesting call modeler name forgot Memphis TN friends flying SpeedRC Speed have Pylon Racing-type airplanes full tuned pipes 40 46 engines produce speeds near 200 mph getting beaten too often needed some secrets up performance Im sure helped him out Maybe will let know reads First looking better props 8 x 8 using wasnt enough suggested try some 8 x 8 fiberglass versions crease pitch much could dont trust wood props Modern en gines put out much power break blades off forward thrust dont believe its centrifugal force blades caused high rpm makes fail looks like just snapped forward hap pens during flight airplane shaken apart RC jobs lose control instantly things turn SAVE YOUR FIELD SNuF-LER muffler low cost easy Install lightweight sound reducing muffler wish no performance penalty answer AMA muffler rule suggestions saving flying fields Meets AMA muffler rule suggeaslons SNUF-FLERTM -3 10 decIbels quieter stock muffler MUFFLER No power loss possible 300-500 RPM increase Patented Improvee engine idle s better fuel economy Easily attached 25-108 stock mufflers Heat corrosion resistant Black E coat finish No special adapters required -weighs oza Fits ASP BRAT ENYA FOX HP IRVINE K & B 05 MAX ROYAL YS SUPER OGRE mufflers available hobby obop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 25r STAMP accepted Add $250 UPS 5250 COD andt%oaleataoFOR ADDITIONAL INFO Calif residentAND YTEC CATALOG 158 Model Aviation MAStER AIRSCREW $2495 CAT NO aoo junk really fast Dont mess around Go fiber glass graphite composite now fuel using 40% nitrometh ane also suggested try 60% time used 60%-nitro fuel test flying B Speed job would give reasonable speeds Out burning blowing up engine hope 46 can take isnt easy just say what need go fast variables didnt ask him exhaust timing proper good pipe performance possibly raising exhaust opening 1850 1900 duration might help too means exhaust port open crank shaft rotates 1900 950 rotation way bottom dead centerBDCpiston position didnt ask him engine front- rearintake intake timing should also checked shouldnt make difference type intake long timing set high rpm rotary valve should open around 300 400 after BDC close about 600 after top dead center TDC approximate numbers really have test fly find out work So can see plenty things play before try such tricks single-bladed props lower oil content fuel fuel additives etc should enough month Future columns will cover Jet information other items can pick up contests Ill also tell about some new revolutionary technol ogy bearings rated above 60000 rpm can now build engine will last almost forever might also drastically improve performance tooso stay tuned RC Pylon Racing/Hager Continued page 50 last weekend topic discussion famil iar can debunk demystify whole idea competition flying general racing particular average Joe doesnt think have some kind rocket scientist get offered modest first step plane built year photos enclosed As can see plane appears half finished left side looks like normal mula right side done entirely PiC Coat ing Poxy K&B Clear wood seams visible fiberglass fuselage translucent re vealing details radio installation fire wall tank etc Before spraying final coat clear hand lettered construction lines callouts Rapidograph pen result half plane looks like set plans 3-D headline wing made rubon lettering says no secrets choice aircraft also consistent debunlring philosophy Its Formula Estrel lita kit produced Jim Gager Fort Wayne IN built light powered Quickie 500 engine uses Picco Simi lar planes using Rossi Fox engines now flying Denver area effort wean accomplished pilots away Quickie challenging events still have contend muffler rules local fields fly either stock mufflers muffled tuned pipes shown photos Either way performance surprisingly good Although concept identical mula 1-40 event several years ago find todays Quickie engines unlike old K&B 40s available have enough juice move Formula right along eleva tion 5000 ft best part about planes like fit local field half-and-half example instant conversation piece course Ive asked bring local clubs mall show honor normally bestow ed us grubby racer types FQ planes get noticed get flown lot dont intimidate Sun day flier crowd Ive overheard conversa tions field recently word racer immediately preceded word damn last months club meeting another local racing pilot gave seminar glass-andfoam technology using plane pictured starting point About half membership stayed around ask questions until hours night something dont nor mally people dont run out buy racing planes theyll least think highly us can help racing gen eral Id suggest racing pilots use little kind glasnost goes long way Boy sure great idea need people like Duane Gall promote sport Keep up good work Racing back Pueblo brief contest report taken Colorado Competition Soci ety CCS newsletter also written Duane Gall Pueblo Season Opener April 22 1990 CCS members Pueblo Sky Corral RC Club celebrated Earth Day own way Continued page 161 K TRANSMHTER TRAY Choice Champions Six Finger Advantage LAW LAND AIR & WATER Racing Products Radio Transmitter Tray ultimate radio transmitter tray flyer needs absolute control competition unqualified realism scale flight simply wants fly proficiently Ergonomically designed engineered shoulder straps Fully adjustable comfortable fit Spring tensioned easy off Lightweight ultra strong KOMATEX closed cell PVC transmitter pad UV resistant low thermal conductivity eliminates harmful static electricity Machined accept two stick transmitters Transmitter safely securely mounted tray means retention spring positive lock safety clip Shoulder straps frame assembly machined 6063-T52 grade polished anodized aluminum parts guaranteed against breakage rust warping AVAILABLE AT BETTER HOBBY STORES OR ORDER DIRECT LAWRACINEPRWDIWJI MANUFACTURING ThE WORLDS FINEST MODEL EQUIPMENT 1229 Capitol Drive Addison IL 60101 708 543-2030 Fax 708-543-6871 August 1990 159