CONTROL LINE RACING Bill Bisohoffs Barracuda Texas Quickie Rat engine tank shutoff setup Fuel feed passes through shutoff hoop PROPELLER BALANCING continued May issue discussed prop balancers pitch gauges two types balancing Now get cleaning preliminary shaping following may seem like lot trouble first However times properly prepare racing propellers see advantage has youll realize important beneficial process cleaning dont mean getting out soap water Most high-performance props need major surgery get close proper shape few high performance prop manufacturers APC Bolly provide props nearly ready use require bit cleaning very good props compromise product due manufacturing restraints Most high-performance specialty props hand laid up garage shop facilities highly developed one-prop-at-a-time molds made masters have perfected specific event need lot cleanup first step cleaning up prop remove flashing down mold line molding process leaves distinct sometimes distinct outline master prop mold line Use coarse file rotary file belt sander disk sander other quick method remove excess flashing down can just still make out mold line will get very messy well-ventilated area use paint mask respirator keep breathing carbon glass resin dust finish cleanup job should have couple mediumsize files fine cutting surfaces tapered rat-tail file 1/4. inch maximum diameter will work around prop hub/blade joint half-round file flat side curved other good shaping thinning should also have various grits 200 400 wet-or-dry sandpaper small six 12 inches square 1/4-inch plate glass shaping finishing work should get set very fine jewelers files Now lets finish clean-up work Using fine files carefully file leading trailing edges blades mold line Use prop reamer Fox has nice clean up prop shaft hole Round hub/blade joint area smooth rounded fillet between hub blade Dont take too much material out hub/blade joint areajust remove excess resin File blade tips proper length Measure edge prop shaft hole scribe mark tip proper distance Remember measuring edge hole mark should /2 desired prop diameter minus /2 hole diameter File carefully marks shape tip desired clip carbon fiber fiberglass props scissors side Lmump mu Right Figure 1 xyx IY xshould equaly Figure 2 Two conditions can cause dynamic imbalance propstext outlines causes gives solutions cutters have tendency cause fine splits fiber will become large splits later Now ready balance prop go racing right Wrong know some just want extra performance youll properly shape finish prop Now July 1995 117 Overflow piping Bischoffs Barracuda Tube bolted engine lug provides ram air pressure well overflow Barracuda shutoff pull-off type activated cable elevator pulls release spring down elevator Featured Model Airplane News Model Aviation Flying Models RC Modeler RC product club needs interference frequency control $825 includes S&H contiguous US CO residents add sales tax Call write Dr Jim Hauser Aero Spectra corporation Post Office Box 3021 Boulder Colorado 80307 Tel Fax 303-499-2584 COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT separate racers wannabes overlooked phases propeller preparation hub base spinner nut surface front hub must perpendicular prop shaft hole hub base smooth perpendicular crankshaft same prop shaft two things can happen prop perpendicular looking side prop blades left right see Figure 1 blade tips will track different circles hub base perpendicular looking blade tip end see figure 2 blades will different pitch angles Either case will cause dynamic imbalance spinner nut surface smooth perpendicular crankshaft tighten nut will apply pressure area rest could cause hub failure area Note conditions may repairable manufacturer produced prop prop shaft hole out alignment blades slight misalignment can corrected adjusting shown Use prop mount washer spinner nut centering collar enlarge prop shaft hole fit collar Both surfaces checked corrected same way will need pitch gauge checker sandpaper plate glass correctors Lay plate glass smooth surface lay piece 220-grit sandpaper glass put couple drops water paper smooth prop hub base using circular motion careful smooth surface evenly Try put tilt now Wipe prop clean mount pitch gauge holding fixture Insert fixture slot gauge Hold fixture down gauge surface rotate prop until blade over gauge surface Measure surface blade tip Rotate next blade over surface measure surface tip blade tip should same distance gauge surface make corrections time Move prop holding fixture slot can check pitch center stations wont go use pitch gauge thats get instructions gauge Check pitch both blades should same Now can make corrections Using sandpaper plate glass start working down high side hub base Take small steps sand circular motion get base correct proper blade tracking pitches equal turn prop over repeat above steps front surface Match pitch angles blades small fine file remove bumps imperfections bottom blade Dont take material off leading trailing edges unless definite irregularities Smooth flatten underside blade changing molded pitch angles Using pitch gauge following instructions put lines across bottoms off blade pitch station fine felttip pen works well Make up pitch chart space record start finish pitch figures station blade may want additional recording space interim figures Check record pitch angle station figures probably wont too far off blade other Now need decide pitch angles want have five choices can match lowest-pitch blade highest can match highest-pitch blade lowest can set both blades somewhere between highest lowest can go slightly higher pitch highest maybe probably due thinness trailing edge can pitch slightly lower lowest fine half-round file carefully start removing materialfrom trailing edge decreasing pitch leading edge increasing pitch Keep checking pitch until get want About pitching Props usually set up decreasing pitch move hub tip thin somewhat flexible Racing props might find advantage having 1/412 pitch angle higher usual DDIDI fPCAMPDELL TOOL5 Obechi Large Sheets 2100-M Saline RdPlease call 509-548-5201 Springfield OH 45505 d SASE 1513 322-8562 6 Bergstrasse AeA~ zz Leavenworth WA 98826 118 Model Aviation HANNEL ANALYZER r IN UUIUM .UA TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER $1000 PLUS iiir wrnnElectric RTP rts BALLARDS 1996 Catalog r SupplieaOnly $2 Ducted FansRefundable Controllers ns5527C SKONK WORKS MotorsWrite s1890 Forestdale Avenue s KitsBeavercreek OH 45432 tips because high speeds props turn have tendency flatten out tip Stunt guys finding out get pulling power high-revving piped models engine under load props pitched higher tips Next time well get blade shaping matching Fast-fills shutoffs hot gloves etc Looking local control line Racing rules around country see allow fast-fill systems fuel shutoffs hot gloves pressure fuel systems questioning event organizers about feel necessary outlaw items get pretty much same answers equipment too difficult make equipment too difficult use equipment isnt available event Beginners event dont want bother lot racers still believe control line Racing has difficult As Ive said before secret control line Racing no secrets None items harder fabricate new set racing control lines preparing racing propeller Building light strong airframe much difficult making up hot glove shutoff some real good reasons allowing some cases requiring use special equipment Shutoffs should required events except possibly Mouse racing Safety number-one reason line tangle get caught behind model cant catch up need able shut down go up get needle wouldnt nice able shut off happen go off lean far off setting just waste fuel staying airborne possibly ruining good engine too rich setting runs hot also know dont waste lot time going up setting having spend 30 50 laps waiting fuel run out shutoff can reset needle three four times amount time takes make setting change shutoff takes little bit brass sheeting aluminum channel some music wire couple bolts nuts make shutoff want drawing simple brass sheet music wire shutoff send #10 SASE Ill happy send copy Dale Long Riverside CA uses photo shows shut-off Bill Bischoff Dallas TX uses Barracuda Texas Quickie Rat racer attaches aluminum engine mount made pieces aluminum angle Bills TQR plumbing also shown think fast-fills hard make use takes make fast-fill piece 1/3 brass tubing rubber duckbill fast-fill valve fueler bottle also really difficult Using regular fueler bulb bottle plug end brass tube solder drill three four holes just above solder solder round disk brass tube just far enough up brass fill tube keep end tube hitting bottom tank tube fill system have repipe tank can route fill tube accessible area usually over top engine mount lug attach brass strap mount lug tube dont bend tube refueling Which easier Now about using fast-fill versus 1/ tube fill fast-fill plunge 5/33 tube fueler bottle /2 fill hole till disk bottoms squeeze till fuel pucks out pull out fueler go /s tube fill have hook up silicon tubing mate up nylon fitting tank tube keeping aligned squeeze fuel through 1/ tube actually 3/33 ID takes forever fill heat race especially youre beginner difficult make connection let alone squeeze fuel Which easier What about hot gloves hot thumbs versus clip flip-it think safety prime reason using hot gloves Ever see model released clip still attached cylinder head Unless -JUTES FREE COLOR CATALOG Choose over 200 exc t ng k tes 6 unusual & innovative des gns Call write catalog todayf Into Wind 541-0314 1408 MA Pearl St. Boulder CO 80302 m RJC Combat Gremlin RCM 12/92 Affondubi Coeopeel. oree Cueseom Cone Ion Model,, Model, Combul Geeenliew Coneo $12 Shoe hire 100 peonron no wood Full kim cli oood preruC $35- Comber oeeoele03n enilh nech nirornifull kir Upgncdn glidnn Co ireernrndiern 101 wOk enew wing 530Cr SlImly Gnnrle ledy orSyinil CM full jouluden cli wood wing kile $35 Dodgenur Leroon CS Quick, 500 core $8 pen peir PeOeroconee 3 rIrluk wirrgn rodS peoni $50 4 rhick $05 irrcfudne erebe Lnruerur neor club preject Menufecrunen inquinine innired ondene odd IS S&H CODe add $0 eddiriooel Conrecrue onrlrnicrerner furcunrnnrndcuerooinfwrecunee@worldnrdcoo RA Cores PO $63 Socelrbnidge MA 015500504 7050998 THE LEADER IN COMPETITION NEW DIA 15 IS $1___ 1I PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION lOTO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIA PITCH 5e/434 634 72833456 8334568 8/e45r667 94566Yz77/ 104566/,7 106W8W 10SEW 1146777/e78 11sw 116EW 11/67 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 7 5N 5N SERIES 400C 8/e6r/e61/e77r/e7e/ 977r/7e/ W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS 4 CYCLE THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW PITCH THP 66/e 77 8 677 8 677 Ic S 67 678 July1995 119 iriugiisium ngins oiigni iesoed recommended Dave Patrick 33 44 60 73 88 twin avadabe Call 800-531-1784 WORLDS WIDEST VARIETY OF AUTHENTIC FLYING //* MODEL PLANS * IONLY SMALL ASSORT // MENT LITTED BELOW REGULAR INSTOCE PLANS GD5 OUR FAMOUS ORLSSMOSTAUTSENTICMOD PLAN RIABDDEVTATDO BARER 1/2iiiIiJZ 37 OeHov COSLeL RAGS 22 40 VoOght COOS P40 20 L15516 27 L6Bdbeogs BX21115 29 MALLS TAPSBMIBRLS91422 92045 934 60 54855 962 36 MeStISLE LySndo259L837 92475938 I32 35 BORg 046A ObEr23924349326G946 29 DOS ES 100 SpUrt2249344593616&958j9U9 2 33 GElD T510OLOS3U93G4593890 6212097 LOSIT LLZ6LoH P38275L939 92678 945lTW256 CoD P36A FIghts1H49L528 92056934.I1 55 Vgt CODS 0201/4189202792054544 172T55D 009 3D COD Catino FBTSa52948 7D9651U4574 19 CODOISS 541462496694989 17 Fo61S5 D7 PLO14912219L6i93U a4949 31 DaylaS 000HASLL49121749143593247544 70936 13 SoperrLoo S6DLS9102249L3444926160 38 89 52 36 OSSIS GolObaub4449142149484334 SCALE FLAIL 35 Lock Elocts #L1279254193255938 Lock Eloc 94 43 COSTS AVSSDSO TBF3092840 9388U92 Ford 3M 4AT6 42 DOS D17G FlyPortS194077 952te9 DOS DI7G 96 38 NA bTItGholI B25364937 55932~T 96 34 RRaccL-CaotolHC7215991323 922444935 HOC H 8-26 6 37 COD Navy 00311199182892457936 SILo ToL 4 25 CDacor R3C1 &211 915L649203133T HndlyFSgS 6 34 OSOg Traoop GC34794071 930 oo 0 -3 6 33 Cost Hawk P6EL59L523492247$44 409 32 OSOlLttlSS OHALl12 91718492237935 49946 74958 31 DOS P4k3M P12BI5916224920444932 594844 89 958 32 Upofid DollDog1349162092040932 53 80958 32 Howard IkeADLIk10491215491531926 62945 34 Tooser HM Racer13912190L639528 IS 940k 78952 35 HOw Ho D6LlllgaB16 915239 2047932 64944 94956 33 P26A Low TdogL491521 2042932 630451 84958 35 Stinsor TAd SE204916319 25625431 82955123S66 42 RH EDosqolto Doak37492441 3581950408965 37 Stearmo PT1716 918241 224553 43 N Elk 956405 PSI33940499 559S975~ 30 TAILS HwkS TeA 13144913210 1843936 42 CHSlIiOLvr SB2C42592537 35 26 Ford TejaSOr 4AT3893D57 48 31 HAllarca Air DM532 92248 3086 952 33 Gooao J2F Dock19492829 40189551 78968j 27 CSakawk P71i154918239 2457938 8 950 949D5 28 516 ALephIk 53D369 16 HP 0400 Doak509 31 LI y LSLrLoo2L9 31 Howard DacPte109 31 C Sparhwk P9C-21249 33 ASOOSGA C3 OptL89 38 EosneoS PeScO Up12 9 03 MoIght Plies20 READ DEPORt ORDERING * S/B BlAIR 1/32 SIZE PLANS AVAILABLE AT ON H08R1841284 URGED9150G .VDOLLAR UNOERTIDS SIZE BE SURE TG ADD THE GOD- -PRICED FOR ALL DESIGNI AL lOT FOR PACKAGING FOOTAGE AND ENDURANCE ABOUT THOUSAND ADDITIGI PLANS S MANY SIZES 75 CATALOG 9200 OR PR LIST ALONE 91 DI AIR FOREIGN 53 levelana Model ana uppiyCa ~" Ld,Sd 0 P8SSAAOISIIoLLS BOO FrIeodGiOL 1910' DETROIT HOOTRUE LEVELANE 5818 44100 lIS/ULHET6OTDWJ clip has modified smooth release sometimes has model gets end cord twang jerks side other Most time model straightens out pilot toes backs up enough regain control Sometimes Maintenance high system time happens should check wire-to-clip connections compare antics have go through hook up clip versus use hot glove thumb cant see anyone would want fool around clip think real reason allowing racing equipment general lack knowledge racing community three basic questions concerning items would-be racers cant answer 1 can fabricate can get set drawings sketches 2 can buy 3 properly used answers questions come several sources Magazine articles columns probably ready source Dont just look Racing write-ups Other areas hobby have neat ideas transferable control line Racing found out about carbon-fiber construction R/C glider columns column youll find out fabricating special equipment fabricate own pans Join National Control Line Racing Association c/u Jerry Meyer 8 5 Grace St North Aurora IL 60542 get newsletter Theyve good write-ups Slow Rat tank simple pinchoff shutoff make hot thumb determine best landing gear position written guys have around long time know what talking about Two best sources control line Racing information local contests compete Go some contests develop skills Dont expect well right away Try out race gear competition conditions Get used action Above keep eyes ears open ask questions competition finds out youre going give up quit will open up bag tricks let see inside Racing kind means developing using equipment works better makes go faster Fast-fills shutoffs hot gloves work better what used use Outlawing use simple easy-to-use items like taking step backwards add much control line racing F2C Team Trials Ever watch FAI Team Racing has exciting challenging control line Racing eventoIf can get Muncie Indiana weekend September 2-3 have chance see nations top teams go head-to-head three spots United States World Championship team Youll get see three-up racing its best Write Dave McDonald Box 384 Daleville IN 47334 information packet wont regret ng control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time -- call Radio South fast economical in-house radio service can depend * 18% KLDIZ/2% CASWR *ANTIDEFOAMERS5%700 *A]SffJRIJST9JVf7 WEAl10%800 0/ThENBL41VI1EJ15%900 USEDINPROCFSS YS20%1050 #22%1100 PHONE30% 1250 ORDERS 1 800-788 -4856 TVi TINFO 909 8774066 Fax 909 8774857 Q ST COMPOSITES 12301 DseIInORdSO 01000090 CocSOOOPECG 01739 120 Model Aviation its 1 OClock E-Z Bill WWII P-38 P-4U Now 4U Uorsair Pedal Planes will have much fun building 3-6 year old will have Flyingit Kit includes full-sized patterns complete Instructions (liAr nhntn Radio SouthFuaba KAM3MVCSo 3702 N PaceILi repoir informalion 904434-0909 800-962-7802 Pensacola FL 32505'Toll Free Order Ltne Orders please Mwbufador Fud Kits Ssidodsfor JlobbvlndustrjL FOR THE Q900 RACERPER FORMA N CE PLUS WERAPON $8000 EL FUEL PW.SJMSEdHJ SRo ____________________________________ P-LO * P05 SSPS CLI Sr.O ThU 050.. 000 VWEAPON 50 As AAOr WETS V-Tail G-FORCE tRfl GO PLS065515H 0505 GoB FIB CL. add 6/o sales tax Specify plan wanted Flight Line Toys PO Box 3484 Sprinqfielc MO 65808
Edition: Model Aviation - 1995/07
Page Numbers: 117, 118, 119, 120
Edition: Model Aviation - 1995/07
Page Numbers: 117, 118, 119, 120
CONTROL LINE RACING Bill Bisohoffs Barracuda Texas Quickie Rat engine tank shutoff setup Fuel feed passes through shutoff hoop PROPELLER BALANCING continued May issue discussed prop balancers pitch gauges two types balancing Now get cleaning preliminary shaping following may seem like lot trouble first However times properly prepare racing propellers see advantage has youll realize important beneficial process cleaning dont mean getting out soap water Most high-performance props need major surgery get close proper shape few high performance prop manufacturers APC Bolly provide props nearly ready use require bit cleaning very good props compromise product due manufacturing restraints Most high-performance specialty props hand laid up garage shop facilities highly developed one-prop-at-a-time molds made masters have perfected specific event need lot cleanup first step cleaning up prop remove flashing down mold line molding process leaves distinct sometimes distinct outline master prop mold line Use coarse file rotary file belt sander disk sander other quick method remove excess flashing down can just still make out mold line will get very messy well-ventilated area use paint mask respirator keep breathing carbon glass resin dust finish cleanup job should have couple mediumsize files fine cutting surfaces tapered rat-tail file 1/4. inch maximum diameter will work around prop hub/blade joint half-round file flat side curved other good shaping thinning should also have various grits 200 400 wet-or-dry sandpaper small six 12 inches square 1/4-inch plate glass shaping finishing work should get set very fine jewelers files Now lets finish clean-up work Using fine files carefully file leading trailing edges blades mold line Use prop reamer Fox has nice clean up prop shaft hole Round hub/blade joint area smooth rounded fillet between hub blade Dont take too much material out hub/blade joint areajust remove excess resin File blade tips proper length Measure edge prop shaft hole scribe mark tip proper distance Remember measuring edge hole mark should /2 desired prop diameter minus /2 hole diameter File carefully marks shape tip desired clip carbon fiber fiberglass props scissors side Lmump mu Right Figure 1 xyx IY xshould equaly Figure 2 Two conditions can cause dynamic imbalance propstext outlines causes gives solutions cutters have tendency cause fine splits fiber will become large splits later Now ready balance prop go racing right Wrong know some just want extra performance youll properly shape finish prop Now July 1995 117 Overflow piping Bischoffs Barracuda Tube bolted engine lug provides ram air pressure well overflow Barracuda shutoff pull-off type activated cable elevator pulls release spring down elevator Featured Model Airplane News Model Aviation Flying Models RC Modeler RC product club needs interference frequency control $825 includes S&H contiguous US CO residents add sales tax Call write Dr Jim Hauser Aero Spectra corporation Post Office Box 3021 Boulder Colorado 80307 Tel Fax 303-499-2584 COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT separate racers wannabes overlooked phases propeller preparation hub base spinner nut surface front hub must perpendicular prop shaft hole hub base smooth perpendicular crankshaft same prop shaft two things can happen prop perpendicular looking side prop blades left right see Figure 1 blade tips will track different circles hub base perpendicular looking blade tip end see figure 2 blades will different pitch angles Either case will cause dynamic imbalance spinner nut surface smooth perpendicular crankshaft tighten nut will apply pressure area rest could cause hub failure area Note conditions may repairable manufacturer produced prop prop shaft hole out alignment blades slight misalignment can corrected adjusting shown Use prop mount washer spinner nut centering collar enlarge prop shaft hole fit collar Both surfaces checked corrected same way will need pitch gauge checker sandpaper plate glass correctors Lay plate glass smooth surface lay piece 220-grit sandpaper glass put couple drops water paper smooth prop hub base using circular motion careful smooth surface evenly Try put tilt now Wipe prop clean mount pitch gauge holding fixture Insert fixture slot gauge Hold fixture down gauge surface rotate prop until blade over gauge surface Measure surface blade tip Rotate next blade over surface measure surface tip blade tip should same distance gauge surface make corrections time Move prop holding fixture slot can check pitch center stations wont go use pitch gauge thats get instructions gauge Check pitch both blades should same Now can make corrections Using sandpaper plate glass start working down high side hub base Take small steps sand circular motion get base correct proper blade tracking pitches equal turn prop over repeat above steps front surface Match pitch angles blades small fine file remove bumps imperfections bottom blade Dont take material off leading trailing edges unless definite irregularities Smooth flatten underside blade changing molded pitch angles Using pitch gauge following instructions put lines across bottoms off blade pitch station fine felttip pen works well Make up pitch chart space record start finish pitch figures station blade may want additional recording space interim figures Check record pitch angle station figures probably wont too far off blade other Now need decide pitch angles want have five choices can match lowest-pitch blade highest can match highest-pitch blade lowest can set both blades somewhere between highest lowest can go slightly higher pitch highest maybe probably due thinness trailing edge can pitch slightly lower lowest fine half-round file carefully start removing materialfrom trailing edge decreasing pitch leading edge increasing pitch Keep checking pitch until get want About pitching Props usually set up decreasing pitch move hub tip thin somewhat flexible Racing props might find advantage having 1/412 pitch angle higher usual DDIDI fPCAMPDELL TOOL5 Obechi Large Sheets 2100-M Saline RdPlease call 509-548-5201 Springfield OH 45505 d SASE 1513 322-8562 6 Bergstrasse AeA~ zz Leavenworth WA 98826 118 Model Aviation HANNEL ANALYZER r IN UUIUM .UA TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER $1000 PLUS iiir wrnnElectric RTP rts BALLARDS 1996 Catalog r SupplieaOnly $2 Ducted FansRefundable Controllers ns5527C SKONK WORKS MotorsWrite s1890 Forestdale Avenue s KitsBeavercreek OH 45432 tips because high speeds props turn have tendency flatten out tip Stunt guys finding out get pulling power high-revving piped models engine under load props pitched higher tips Next time well get blade shaping matching Fast-fills shutoffs hot gloves etc Looking local control line Racing rules around country see allow fast-fill systems fuel shutoffs hot gloves pressure fuel systems questioning event organizers about feel necessary outlaw items get pretty much same answers equipment too difficult make equipment too difficult use equipment isnt available event Beginners event dont want bother lot racers still believe control line Racing has difficult As Ive said before secret control line Racing no secrets None items harder fabricate new set racing control lines preparing racing propeller Building light strong airframe much difficult making up hot glove shutoff some real good reasons allowing some cases requiring use special equipment Shutoffs should required events except possibly Mouse racing Safety number-one reason line tangle get caught behind model cant catch up need able shut down go up get needle wouldnt nice able shut off happen go off lean far off setting just waste fuel staying airborne possibly ruining good engine too rich setting runs hot also know dont waste lot time going up setting having spend 30 50 laps waiting fuel run out shutoff can reset needle three four times amount time takes make setting change shutoff takes little bit brass sheeting aluminum channel some music wire couple bolts nuts make shutoff want drawing simple brass sheet music wire shutoff send #10 SASE Ill happy send copy Dale Long Riverside CA uses photo shows shut-off Bill Bischoff Dallas TX uses Barracuda Texas Quickie Rat racer attaches aluminum engine mount made pieces aluminum angle Bills TQR plumbing also shown think fast-fills hard make use takes make fast-fill piece 1/3 brass tubing rubber duckbill fast-fill valve fueler bottle also really difficult Using regular fueler bulb bottle plug end brass tube solder drill three four holes just above solder solder round disk brass tube just far enough up brass fill tube keep end tube hitting bottom tank tube fill system have repipe tank can route fill tube accessible area usually over top engine mount lug attach brass strap mount lug tube dont bend tube refueling Which easier Now about using fast-fill versus 1/ tube fill fast-fill plunge 5/33 tube fueler bottle /2 fill hole till disk bottoms squeeze till fuel pucks out pull out fueler go /s tube fill have hook up silicon tubing mate up nylon fitting tank tube keeping aligned squeeze fuel through 1/ tube actually 3/33 ID takes forever fill heat race especially youre beginner difficult make connection let alone squeeze fuel Which easier What about hot gloves hot thumbs versus clip flip-it think safety prime reason using hot gloves Ever see model released clip still attached cylinder head Unless -JUTES FREE COLOR CATALOG Choose over 200 exc t ng k tes 6 unusual & innovative des gns Call write catalog todayf Into Wind 541-0314 1408 MA Pearl St. Boulder CO 80302 m RJC Combat Gremlin RCM 12/92 Affondubi Coeopeel. oree Cueseom Cone Ion Model,, Model, Combul Geeenliew Coneo $12 Shoe hire 100 peonron no wood Full kim cli oood preruC $35- Comber oeeoele03n enilh nech nirornifull kir Upgncdn glidnn Co ireernrndiern 101 wOk enew wing 530Cr SlImly Gnnrle ledy orSyinil CM full jouluden cli wood wing kile $35 Dodgenur Leroon CS Quick, 500 core $8 pen peir PeOeroconee 3 rIrluk wirrgn rodS peoni $50 4 rhick $05 irrcfudne erebe Lnruerur neor club preject Menufecrunen inquinine innired ondene odd IS S&H CODe add $0 eddiriooel Conrecrue onrlrnicrerner furcunrnnrndcuerooinfwrecunee@worldnrdcoo RA Cores PO $63 Socelrbnidge MA 015500504 7050998 THE LEADER IN COMPETITION NEW DIA 15 IS $1___ 1I PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION lOTO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIA PITCH 5e/434 634 72833456 8334568 8/e45r667 94566Yz77/ 104566/,7 106W8W 10SEW 1146777/e78 11sw 116EW 11/67 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 7 5N 5N SERIES 400C 8/e6r/e61/e77r/e7e/ 977r/7e/ W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS 4 CYCLE THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW PITCH THP 66/e 77 8 677 8 677 Ic S 67 678 July1995 119 iriugiisium ngins oiigni iesoed recommended Dave Patrick 33 44 60 73 88 twin avadabe Call 800-531-1784 WORLDS WIDEST VARIETY OF AUTHENTIC FLYING //* MODEL PLANS * IONLY SMALL ASSORT // MENT LITTED BELOW REGULAR INSTOCE PLANS GD5 OUR FAMOUS ORLSSMOSTAUTSENTICMOD PLAN RIABDDEVTATDO BARER 1/2iiiIiJZ 37 OeHov COSLeL RAGS 22 40 VoOght COOS P40 20 L15516 27 L6Bdbeogs BX21115 29 MALLS TAPSBMIBRLS91422 92045 934 60 54855 962 36 MeStISLE LySndo259L837 92475938 I32 35 BORg 046A ObEr23924349326G946 29 DOS ES 100 SpUrt2249344593616&958j9U9 2 33 GElD T510OLOS3U93G4593890 6212097 LOSIT LLZ6LoH P38275L939 92678 945lTW256 CoD P36A FIghts1H49L528 92056934.I1 55 Vgt CODS 0201/4189202792054544 172T55D 009 3D COD Catino FBTSa52948 7D9651U4574 19 CODOISS 541462496694989 17 Fo61S5 D7 PLO14912219L6i93U a4949 31 DaylaS 000HASLL49121749143593247544 70936 13 SoperrLoo S6DLS9102249L3444926160 38 89 52 36 OSSIS GolObaub4449142149484334 SCALE FLAIL 35 Lock Elocts #L1279254193255938 Lock Eloc 94 43 COSTS AVSSDSO TBF3092840 9388U92 Ford 3M 4AT6 42 DOS D17G FlyPortS194077 952te9 DOS DI7G 96 38 NA bTItGholI B25364937 55932~T 96 34 RRaccL-CaotolHC7215991323 922444935 HOC H 8-26 6 37 COD Navy 00311199182892457936 SILo ToL 4 25 CDacor R3C1 &211 915L649203133T HndlyFSgS 6 34 OSOg Traoop GC34794071 930 oo 0 -3 6 33 Cost Hawk P6EL59L523492247$44 409 32 OSOlLttlSS OHALl12 91718492237935 49946 74958 31 DOS P4k3M P12BI5916224920444932 594844 89 958 32 Upofid DollDog1349162092040932 53 80958 32 Howard IkeADLIk10491215491531926 62945 34 Tooser HM Racer13912190L639528 IS 940k 78952 35 HOw Ho D6LlllgaB16 915239 2047932 64944 94956 33 P26A Low TdogL491521 2042932 630451 84958 35 Stinsor TAd SE204916319 25625431 82955123S66 42 RH EDosqolto Doak37492441 3581950408965 37 Stearmo PT1716 918241 224553 43 N Elk 956405 PSI33940499 559S975~ 30 TAILS HwkS TeA 13144913210 1843936 42 CHSlIiOLvr SB2C42592537 35 26 Ford TejaSOr 4AT3893D57 48 31 HAllarca Air DM532 92248 3086 952 33 Gooao J2F Dock19492829 40189551 78968j 27 CSakawk P71i154918239 2457938 8 950 949D5 28 516 ALephIk 53D369 16 HP 0400 Doak509 31 LI y LSLrLoo2L9 31 Howard DacPte109 31 C Sparhwk P9C-21249 33 ASOOSGA C3 OptL89 38 EosneoS PeScO Up12 9 03 MoIght Plies20 READ DEPORt ORDERING * S/B BlAIR 1/32 SIZE PLANS AVAILABLE AT ON H08R1841284 URGED9150G .VDOLLAR UNOERTIDS SIZE BE SURE TG ADD THE GOD- -PRICED FOR ALL DESIGNI AL lOT FOR PACKAGING FOOTAGE AND ENDURANCE ABOUT THOUSAND ADDITIGI PLANS S MANY SIZES 75 CATALOG 9200 OR PR LIST ALONE 91 DI AIR FOREIGN 53 levelana Model ana uppiyCa ~" Ld,Sd 0 P8SSAAOISIIoLLS BOO FrIeodGiOL 1910' DETROIT HOOTRUE LEVELANE 5818 44100 lIS/ULHET6OTDWJ clip has modified smooth release sometimes has model gets end cord twang jerks side other Most time model straightens out pilot toes backs up enough regain control Sometimes Maintenance high system time happens should check wire-to-clip connections compare antics have go through hook up clip versus use hot glove thumb cant see anyone would want fool around clip think real reason allowing racing equipment general lack knowledge racing community three basic questions concerning items would-be racers cant answer 1 can fabricate can get set drawings sketches 2 can buy 3 properly used answers questions come several sources Magazine articles columns probably ready source Dont just look Racing write-ups Other areas hobby have neat ideas transferable control line Racing found out about carbon-fiber construction R/C glider columns column youll find out fabricating special equipment fabricate own pans Join National Control Line Racing Association c/u Jerry Meyer 8 5 Grace St North Aurora IL 60542 get newsletter Theyve good write-ups Slow Rat tank simple pinchoff shutoff make hot thumb determine best landing gear position written guys have around long time know what talking about Two best sources control line Racing information local contests compete Go some contests develop skills Dont expect well right away Try out race gear competition conditions Get used action Above keep eyes ears open ask questions competition finds out youre going give up quit will open up bag tricks let see inside Racing kind means developing using equipment works better makes go faster Fast-fills shutoffs hot gloves work better what used use Outlawing use simple easy-to-use items like taking step backwards add much control line racing F2C Team Trials Ever watch FAI Team Racing has exciting challenging control line Racing eventoIf can get Muncie Indiana weekend September 2-3 have chance see nations top teams go head-to-head three spots United States World Championship team Youll get see three-up racing its best Write Dave McDonald Box 384 Daleville IN 47334 information packet wont regret ng control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time -- call Radio South fast economical in-house radio service can depend * 18% KLDIZ/2% CASWR *ANTIDEFOAMERS5%700 *A]SffJRIJST9JVf7 WEAl10%800 0/ThENBL41VI1EJ15%900 USEDINPROCFSS YS20%1050 #22%1100 PHONE30% 1250 ORDERS 1 800-788 -4856 TVi TINFO 909 8774066 Fax 909 8774857 Q ST COMPOSITES 12301 DseIInORdSO 01000090 CocSOOOPECG 01739 120 Model Aviation its 1 OClock E-Z Bill WWII P-38 P-4U Now 4U Uorsair Pedal Planes will have much fun building 3-6 year old will have Flyingit Kit includes full-sized patterns complete Instructions (liAr nhntn Radio SouthFuaba KAM3MVCSo 3702 N PaceILi repoir informalion 904434-0909 800-962-7802 Pensacola FL 32505'Toll Free Order Ltne Orders please Mwbufador Fud Kits Ssidodsfor JlobbvlndustrjL FOR THE Q900 RACERPER FORMA N CE PLUS WERAPON $8000 EL FUEL PW.SJMSEdHJ SRo ____________________________________ P-LO * P05 SSPS CLI Sr.O ThU 050.. 000 VWEAPON 50 As AAOr WETS V-Tail G-FORCE tRfl GO PLS065515H 0505 GoB FIB CL. add 6/o sales tax Specify plan wanted Flight Line Toys PO Box 3484 Sprinqfielc MO 65808
Edition: Model Aviation - 1995/07
Page Numbers: 117, 118, 119, 120
CONTROL LINE RACING Bill Bisohoffs Barracuda Texas Quickie Rat engine tank shutoff setup Fuel feed passes through shutoff hoop PROPELLER BALANCING continued May issue discussed prop balancers pitch gauges two types balancing Now get cleaning preliminary shaping following may seem like lot trouble first However times properly prepare racing propellers see advantage has youll realize important beneficial process cleaning dont mean getting out soap water Most high-performance props need major surgery get close proper shape few high performance prop manufacturers APC Bolly provide props nearly ready use require bit cleaning very good props compromise product due manufacturing restraints Most high-performance specialty props hand laid up garage shop facilities highly developed one-prop-at-a-time molds made masters have perfected specific event need lot cleanup first step cleaning up prop remove flashing down mold line molding process leaves distinct sometimes distinct outline master prop mold line Use coarse file rotary file belt sander disk sander other quick method remove excess flashing down can just still make out mold line will get very messy well-ventilated area use paint mask respirator keep breathing carbon glass resin dust finish cleanup job should have couple mediumsize files fine cutting surfaces tapered rat-tail file 1/4. inch maximum diameter will work around prop hub/blade joint half-round file flat side curved other good shaping thinning should also have various grits 200 400 wet-or-dry sandpaper small six 12 inches square 1/4-inch plate glass shaping finishing work should get set very fine jewelers files Now lets finish clean-up work Using fine files carefully file leading trailing edges blades mold line Use prop reamer Fox has nice clean up prop shaft hole Round hub/blade joint area smooth rounded fillet between hub blade Dont take too much material out hub/blade joint areajust remove excess resin File blade tips proper length Measure edge prop shaft hole scribe mark tip proper distance Remember measuring edge hole mark should /2 desired prop diameter minus /2 hole diameter File carefully marks shape tip desired clip carbon fiber fiberglass props scissors side Lmump mu Right Figure 1 xyx IY xshould equaly Figure 2 Two conditions can cause dynamic imbalance propstext outlines causes gives solutions cutters have tendency cause fine splits fiber will become large splits later Now ready balance prop go racing right Wrong know some just want extra performance youll properly shape finish prop Now July 1995 117 Overflow piping Bischoffs Barracuda Tube bolted engine lug provides ram air pressure well overflow Barracuda shutoff pull-off type activated cable elevator pulls release spring down elevator Featured Model Airplane News Model Aviation Flying Models RC Modeler RC product club needs interference frequency control $825 includes S&H contiguous US CO residents add sales tax Call write Dr Jim Hauser Aero Spectra corporation Post Office Box 3021 Boulder Colorado 80307 Tel Fax 303-499-2584 COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT separate racers wannabes overlooked phases propeller preparation hub base spinner nut surface front hub must perpendicular prop shaft hole hub base smooth perpendicular crankshaft same prop shaft two things can happen prop perpendicular looking side prop blades left right see Figure 1 blade tips will track different circles hub base perpendicular looking blade tip end see figure 2 blades will different pitch angles Either case will cause dynamic imbalance spinner nut surface smooth perpendicular crankshaft tighten nut will apply pressure area rest could cause hub failure area Note conditions may repairable manufacturer produced prop prop shaft hole out alignment blades slight misalignment can corrected adjusting shown Use prop mount washer spinner nut centering collar enlarge prop shaft hole fit collar Both surfaces checked corrected same way will need pitch gauge checker sandpaper plate glass correctors Lay plate glass smooth surface lay piece 220-grit sandpaper glass put couple drops water paper smooth prop hub base using circular motion careful smooth surface evenly Try put tilt now Wipe prop clean mount pitch gauge holding fixture Insert fixture slot gauge Hold fixture down gauge surface rotate prop until blade over gauge surface Measure surface blade tip Rotate next blade over surface measure surface tip blade tip should same distance gauge surface make corrections time Move prop holding fixture slot can check pitch center stations wont go use pitch gauge thats get instructions gauge Check pitch both blades should same Now can make corrections Using sandpaper plate glass start working down high side hub base Take small steps sand circular motion get base correct proper blade tracking pitches equal turn prop over repeat above steps front surface Match pitch angles blades small fine file remove bumps imperfections bottom blade Dont take material off leading trailing edges unless definite irregularities Smooth flatten underside blade changing molded pitch angles Using pitch gauge following instructions put lines across bottoms off blade pitch station fine felttip pen works well Make up pitch chart space record start finish pitch figures station blade may want additional recording space interim figures Check record pitch angle station figures probably wont too far off blade other Now need decide pitch angles want have five choices can match lowest-pitch blade highest can match highest-pitch blade lowest can set both blades somewhere between highest lowest can go slightly higher pitch highest maybe probably due thinness trailing edge can pitch slightly lower lowest fine half-round file carefully start removing materialfrom trailing edge decreasing pitch leading edge increasing pitch Keep checking pitch until get want About pitching Props usually set up decreasing pitch move hub tip thin somewhat flexible Racing props might find advantage having 1/412 pitch angle higher usual DDIDI fPCAMPDELL TOOL5 Obechi Large Sheets 2100-M Saline RdPlease call 509-548-5201 Springfield OH 45505 d SASE 1513 322-8562 6 Bergstrasse AeA~ zz Leavenworth WA 98826 118 Model Aviation HANNEL ANALYZER r IN UUIUM .UA TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER $1000 PLUS iiir wrnnElectric RTP rts BALLARDS 1996 Catalog r SupplieaOnly $2 Ducted FansRefundable Controllers ns5527C SKONK WORKS MotorsWrite s1890 Forestdale Avenue s KitsBeavercreek OH 45432 tips because high speeds props turn have tendency flatten out tip Stunt guys finding out get pulling power high-revving piped models engine under load props pitched higher tips Next time well get blade shaping matching Fast-fills shutoffs hot gloves etc Looking local control line Racing rules around country see allow fast-fill systems fuel shutoffs hot gloves pressure fuel systems questioning event organizers about feel necessary outlaw items get pretty much same answers equipment too difficult make equipment too difficult use equipment isnt available event Beginners event dont want bother lot racers still believe control line Racing has difficult As Ive said before secret control line Racing no secrets None items harder fabricate new set racing control lines preparing racing propeller Building light strong airframe much difficult making up hot glove shutoff some real good reasons allowing some cases requiring use special equipment Shutoffs should required events except possibly Mouse racing Safety number-one reason line tangle get caught behind model cant catch up need able shut down go up get needle wouldnt nice able shut off happen go off lean far off setting just waste fuel staying airborne possibly ruining good engine too rich setting runs hot also know dont waste lot time going up setting having spend 30 50 laps waiting fuel run out shutoff can reset needle three four times amount time takes make setting change shutoff takes little bit brass sheeting aluminum channel some music wire couple bolts nuts make shutoff want drawing simple brass sheet music wire shutoff send #10 SASE Ill happy send copy Dale Long Riverside CA uses photo shows shut-off Bill Bischoff Dallas TX uses Barracuda Texas Quickie Rat racer attaches aluminum engine mount made pieces aluminum angle Bills TQR plumbing also shown think fast-fills hard make use takes make fast-fill piece 1/3 brass tubing rubber duckbill fast-fill valve fueler bottle also really difficult Using regular fueler bulb bottle plug end brass tube solder drill three four holes just above solder solder round disk brass tube just far enough up brass fill tube keep end tube hitting bottom tank tube fill system have repipe tank can route fill tube accessible area usually over top engine mount lug attach brass strap mount lug tube dont bend tube refueling Which easier Now about using fast-fill versus 1/ tube fill fast-fill plunge 5/33 tube fueler bottle /2 fill hole till disk bottoms squeeze till fuel pucks out pull out fueler go /s tube fill have hook up silicon tubing mate up nylon fitting tank tube keeping aligned squeeze fuel through 1/ tube actually 3/33 ID takes forever fill heat race especially youre beginner difficult make connection let alone squeeze fuel Which easier What about hot gloves hot thumbs versus clip flip-it think safety prime reason using hot gloves Ever see model released clip still attached cylinder head Unless -JUTES FREE COLOR CATALOG Choose over 200 exc t ng k tes 6 unusual & innovative des gns Call write catalog todayf Into Wind 541-0314 1408 MA Pearl St. Boulder CO 80302 m RJC Combat Gremlin RCM 12/92 Affondubi Coeopeel. oree Cueseom Cone Ion Model,, Model, Combul Geeenliew Coneo $12 Shoe hire 100 peonron no wood Full kim cli oood preruC $35- Comber oeeoele03n enilh nech nirornifull kir Upgncdn glidnn Co ireernrndiern 101 wOk enew wing 530Cr SlImly Gnnrle ledy orSyinil CM full jouluden cli wood wing kile $35 Dodgenur Leroon CS Quick, 500 core $8 pen peir PeOeroconee 3 rIrluk wirrgn rodS peoni $50 4 rhick $05 irrcfudne erebe Lnruerur neor club preject Menufecrunen inquinine innired ondene odd IS S&H CODe add $0 eddiriooel Conrecrue onrlrnicrerner furcunrnnrndcuerooinfwrecunee@worldnrdcoo RA Cores PO $63 Socelrbnidge MA 015500504 7050998 THE LEADER IN COMPETITION NEW DIA 15 IS $1___ 1I PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION lOTO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIA PITCH 5e/434 634 72833456 8334568 8/e45r667 94566Yz77/ 104566/,7 106W8W 10SEW 1146777/e78 11sw 116EW 11/67 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 7 5N 5N SERIES 400C 8/e6r/e61/e77r/e7e/ 977r/7e/ W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS 4 CYCLE THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW PITCH THP 66/e 77 8 677 8 677 Ic S 67 678 July1995 119 iriugiisium ngins oiigni iesoed recommended Dave Patrick 33 44 60 73 88 twin avadabe Call 800-531-1784 WORLDS WIDEST VARIETY OF AUTHENTIC FLYING //* MODEL PLANS * IONLY SMALL ASSORT // MENT LITTED BELOW REGULAR INSTOCE PLANS GD5 OUR FAMOUS ORLSSMOSTAUTSENTICMOD PLAN RIABDDEVTATDO BARER 1/2iiiIiJZ 37 OeHov COSLeL RAGS 22 40 VoOght COOS P40 20 L15516 27 L6Bdbeogs BX21115 29 MALLS TAPSBMIBRLS91422 92045 934 60 54855 962 36 MeStISLE LySndo259L837 92475938 I32 35 BORg 046A ObEr23924349326G946 29 DOS ES 100 SpUrt2249344593616&958j9U9 2 33 GElD T510OLOS3U93G4593890 6212097 LOSIT LLZ6LoH P38275L939 92678 945lTW256 CoD P36A FIghts1H49L528 92056934.I1 55 Vgt CODS 0201/4189202792054544 172T55D 009 3D COD Catino FBTSa52948 7D9651U4574 19 CODOISS 541462496694989 17 Fo61S5 D7 PLO14912219L6i93U a4949 31 DaylaS 000HASLL49121749143593247544 70936 13 SoperrLoo S6DLS9102249L3444926160 38 89 52 36 OSSIS GolObaub4449142149484334 SCALE FLAIL 35 Lock Elocts #L1279254193255938 Lock Eloc 94 43 COSTS AVSSDSO TBF3092840 9388U92 Ford 3M 4AT6 42 DOS D17G FlyPortS194077 952te9 DOS DI7G 96 38 NA bTItGholI B25364937 55932~T 96 34 RRaccL-CaotolHC7215991323 922444935 HOC H 8-26 6 37 COD Navy 00311199182892457936 SILo ToL 4 25 CDacor R3C1 &211 915L649203133T HndlyFSgS 6 34 OSOg Traoop GC34794071 930 oo 0 -3 6 33 Cost Hawk P6EL59L523492247$44 409 32 OSOlLttlSS OHALl12 91718492237935 49946 74958 31 DOS P4k3M P12BI5916224920444932 594844 89 958 32 Upofid DollDog1349162092040932 53 80958 32 Howard IkeADLIk10491215491531926 62945 34 Tooser HM Racer13912190L639528 IS 940k 78952 35 HOw Ho D6LlllgaB16 915239 2047932 64944 94956 33 P26A Low TdogL491521 2042932 630451 84958 35 Stinsor TAd SE204916319 25625431 82955123S66 42 RH EDosqolto Doak37492441 3581950408965 37 Stearmo PT1716 918241 224553 43 N Elk 956405 PSI33940499 559S975~ 30 TAILS HwkS TeA 13144913210 1843936 42 CHSlIiOLvr SB2C42592537 35 26 Ford TejaSOr 4AT3893D57 48 31 HAllarca Air DM532 92248 3086 952 33 Gooao J2F Dock19492829 40189551 78968j 27 CSakawk P71i154918239 2457938 8 950 949D5 28 516 ALephIk 53D369 16 HP 0400 Doak509 31 LI y LSLrLoo2L9 31 Howard DacPte109 31 C Sparhwk P9C-21249 33 ASOOSGA C3 OptL89 38 EosneoS PeScO Up12 9 03 MoIght Plies20 READ DEPORt ORDERING * S/B BlAIR 1/32 SIZE PLANS AVAILABLE AT ON H08R1841284 URGED9150G .VDOLLAR UNOERTIDS SIZE BE SURE TG ADD THE GOD- -PRICED FOR ALL DESIGNI AL lOT FOR PACKAGING FOOTAGE AND ENDURANCE ABOUT THOUSAND ADDITIGI PLANS S MANY SIZES 75 CATALOG 9200 OR PR LIST ALONE 91 DI AIR FOREIGN 53 levelana Model ana uppiyCa ~" Ld,Sd 0 P8SSAAOISIIoLLS BOO FrIeodGiOL 1910' DETROIT HOOTRUE LEVELANE 5818 44100 lIS/ULHET6OTDWJ clip has modified smooth release sometimes has model gets end cord twang jerks side other Most time model straightens out pilot toes backs up enough regain control Sometimes Maintenance high system time happens should check wire-to-clip connections compare antics have go through hook up clip versus use hot glove thumb cant see anyone would want fool around clip think real reason allowing racing equipment general lack knowledge racing community three basic questions concerning items would-be racers cant answer 1 can fabricate can get set drawings sketches 2 can buy 3 properly used answers questions come several sources Magazine articles columns probably ready source Dont just look Racing write-ups Other areas hobby have neat ideas transferable control line Racing found out about carbon-fiber construction R/C glider columns column youll find out fabricating special equipment fabricate own pans Join National Control Line Racing Association c/u Jerry Meyer 8 5 Grace St North Aurora IL 60542 get newsletter Theyve good write-ups Slow Rat tank simple pinchoff shutoff make hot thumb determine best landing gear position written guys have around long time know what talking about Two best sources control line Racing information local contests compete Go some contests develop skills Dont expect well right away Try out race gear competition conditions Get used action Above keep eyes ears open ask questions competition finds out youre going give up quit will open up bag tricks let see inside Racing kind means developing using equipment works better makes go faster Fast-fills shutoffs hot gloves work better what used use Outlawing use simple easy-to-use items like taking step backwards add much control line racing F2C Team Trials Ever watch FAI Team Racing has exciting challenging control line Racing eventoIf can get Muncie Indiana weekend September 2-3 have chance see nations top teams go head-to-head three spots United States World Championship team Youll get see three-up racing its best Write Dave McDonald Box 384 Daleville IN 47334 information packet wont regret ng control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time -- call Radio South fast economical in-house radio service can depend * 18% KLDIZ/2% CASWR *ANTIDEFOAMERS5%700 *A]SffJRIJST9JVf7 WEAl10%800 0/ThENBL41VI1EJ15%900 USEDINPROCFSS YS20%1050 #22%1100 PHONE30% 1250 ORDERS 1 800-788 -4856 TVi TINFO 909 8774066 Fax 909 8774857 Q ST COMPOSITES 12301 DseIInORdSO 01000090 CocSOOOPECG 01739 120 Model Aviation its 1 OClock E-Z Bill WWII P-38 P-4U Now 4U Uorsair Pedal Planes will have much fun building 3-6 year old will have Flyingit Kit includes full-sized patterns complete Instructions (liAr nhntn Radio SouthFuaba KAM3MVCSo 3702 N PaceILi repoir informalion 904434-0909 800-962-7802 Pensacola FL 32505'Toll Free Order Ltne Orders please Mwbufador Fud Kits Ssidodsfor JlobbvlndustrjL FOR THE Q900 RACERPER FORMA N CE PLUS WERAPON $8000 EL FUEL PW.SJMSEdHJ SRo ____________________________________ P-LO * P05 SSPS CLI Sr.O ThU 050.. 000 VWEAPON 50 As AAOr WETS V-Tail G-FORCE tRfl GO PLS065515H 0505 GoB FIB CL. add 6/o sales tax Specify plan wanted Flight Line Toys PO Box 3484 Sprinqfielc MO 65808
Edition: Model Aviation - 1995/07
Page Numbers: 117, 118, 119, 120
CONTROL LINE RACING Bill Bisohoffs Barracuda Texas Quickie Rat engine tank shutoff setup Fuel feed passes through shutoff hoop PROPELLER BALANCING continued May issue discussed prop balancers pitch gauges two types balancing Now get cleaning preliminary shaping following may seem like lot trouble first However times properly prepare racing propellers see advantage has youll realize important beneficial process cleaning dont mean getting out soap water Most high-performance props need major surgery get close proper shape few high performance prop manufacturers APC Bolly provide props nearly ready use require bit cleaning very good props compromise product due manufacturing restraints Most high-performance specialty props hand laid up garage shop facilities highly developed one-prop-at-a-time molds made masters have perfected specific event need lot cleanup first step cleaning up prop remove flashing down mold line molding process leaves distinct sometimes distinct outline master prop mold line Use coarse file rotary file belt sander disk sander other quick method remove excess flashing down can just still make out mold line will get very messy well-ventilated area use paint mask respirator keep breathing carbon glass resin dust finish cleanup job should have couple mediumsize files fine cutting surfaces tapered rat-tail file 1/4. inch maximum diameter will work around prop hub/blade joint half-round file flat side curved other good shaping thinning should also have various grits 200 400 wet-or-dry sandpaper small six 12 inches square 1/4-inch plate glass shaping finishing work should get set very fine jewelers files Now lets finish clean-up work Using fine files carefully file leading trailing edges blades mold line Use prop reamer Fox has nice clean up prop shaft hole Round hub/blade joint area smooth rounded fillet between hub blade Dont take too much material out hub/blade joint areajust remove excess resin File blade tips proper length Measure edge prop shaft hole scribe mark tip proper distance Remember measuring edge hole mark should /2 desired prop diameter minus /2 hole diameter File carefully marks shape tip desired clip carbon fiber fiberglass props scissors side Lmump mu Right Figure 1 xyx IY xshould equaly Figure 2 Two conditions can cause dynamic imbalance propstext outlines causes gives solutions cutters have tendency cause fine splits fiber will become large splits later Now ready balance prop go racing right Wrong know some just want extra performance youll properly shape finish prop Now July 1995 117 Overflow piping Bischoffs Barracuda Tube bolted engine lug provides ram air pressure well overflow Barracuda shutoff pull-off type activated cable elevator pulls release spring down elevator Featured Model Airplane News Model Aviation Flying Models RC Modeler RC product club needs interference frequency control $825 includes S&H contiguous US CO residents add sales tax Call write Dr Jim Hauser Aero Spectra corporation Post Office Box 3021 Boulder Colorado 80307 Tel Fax 303-499-2584 COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 112A TEXACO PLAYBOY SR KIT separate racers wannabes overlooked phases propeller preparation hub base spinner nut surface front hub must perpendicular prop shaft hole hub base smooth perpendicular crankshaft same prop shaft two things can happen prop perpendicular looking side prop blades left right see Figure 1 blade tips will track different circles hub base perpendicular looking blade tip end see figure 2 blades will different pitch angles Either case will cause dynamic imbalance spinner nut surface smooth perpendicular crankshaft tighten nut will apply pressure area rest could cause hub failure area Note conditions may repairable manufacturer produced prop prop shaft hole out alignment blades slight misalignment can corrected adjusting shown Use prop mount washer spinner nut centering collar enlarge prop shaft hole fit collar Both surfaces checked corrected same way will need pitch gauge checker sandpaper plate glass correctors Lay plate glass smooth surface lay piece 220-grit sandpaper glass put couple drops water paper smooth prop hub base using circular motion careful smooth surface evenly Try put tilt now Wipe prop clean mount pitch gauge holding fixture Insert fixture slot gauge Hold fixture down gauge surface rotate prop until blade over gauge surface Measure surface blade tip Rotate next blade over surface measure surface tip blade tip should same distance gauge surface make corrections time Move prop holding fixture slot can check pitch center stations wont go use pitch gauge thats get instructions gauge Check pitch both blades should same Now can make corrections Using sandpaper plate glass start working down high side hub base Take small steps sand circular motion get base correct proper blade tracking pitches equal turn prop over repeat above steps front surface Match pitch angles blades small fine file remove bumps imperfections bottom blade Dont take material off leading trailing edges unless definite irregularities Smooth flatten underside blade changing molded pitch angles Using pitch gauge following instructions put lines across bottoms off blade pitch station fine felttip pen works well Make up pitch chart space record start finish pitch figures station blade may want additional recording space interim figures Check record pitch angle station figures probably wont too far off blade other Now need decide pitch angles want have five choices can match lowest-pitch blade highest can match highest-pitch blade lowest can set both blades somewhere between highest lowest can go slightly higher pitch highest maybe probably due thinness trailing edge can pitch slightly lower lowest fine half-round file carefully start removing materialfrom trailing edge decreasing pitch leading edge increasing pitch Keep checking pitch until get want About pitching Props usually set up decreasing pitch move hub tip thin somewhat flexible Racing props might find advantage having 1/412 pitch angle higher usual DDIDI fPCAMPDELL TOOL5 Obechi Large Sheets 2100-M Saline RdPlease call 509-548-5201 Springfield OH 45505 d SASE 1513 322-8562 6 Bergstrasse AeA~ zz Leavenworth WA 98826 118 Model Aviation HANNEL ANALYZER r IN UUIUM .UA TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER $1000 PLUS iiir wrnnElectric RTP rts BALLARDS 1996 Catalog r SupplieaOnly $2 Ducted FansRefundable Controllers ns5527C SKONK WORKS MotorsWrite s1890 Forestdale Avenue s KitsBeavercreek OH 45432 tips because high speeds props turn have tendency flatten out tip Stunt guys finding out get pulling power high-revving piped models engine under load props pitched higher tips Next time well get blade shaping matching Fast-fills shutoffs hot gloves etc Looking local control line Racing rules around country see allow fast-fill systems fuel shutoffs hot gloves pressure fuel systems questioning event organizers about feel necessary outlaw items get pretty much same answers equipment too difficult make equipment too difficult use equipment isnt available event Beginners event dont want bother lot racers still believe control line Racing has difficult As Ive said before secret control line Racing no secrets None items harder fabricate new set racing control lines preparing racing propeller Building light strong airframe much difficult making up hot glove shutoff some real good reasons allowing some cases requiring use special equipment Shutoffs should required events except possibly Mouse racing Safety number-one reason line tangle get caught behind model cant catch up need able shut down go up get needle wouldnt nice able shut off happen go off lean far off setting just waste fuel staying airborne possibly ruining good engine too rich setting runs hot also know dont waste lot time going up setting having spend 30 50 laps waiting fuel run out shutoff can reset needle three four times amount time takes make setting change shutoff takes little bit brass sheeting aluminum channel some music wire couple bolts nuts make shutoff want drawing simple brass sheet music wire shutoff send #10 SASE Ill happy send copy Dale Long Riverside CA uses photo shows shut-off Bill Bischoff Dallas TX uses Barracuda Texas Quickie Rat racer attaches aluminum engine mount made pieces aluminum angle Bills TQR plumbing also shown think fast-fills hard make use takes make fast-fill piece 1/3 brass tubing rubber duckbill fast-fill valve fueler bottle also really difficult Using regular fueler bulb bottle plug end brass tube solder drill three four holes just above solder solder round disk brass tube just far enough up brass fill tube keep end tube hitting bottom tank tube fill system have repipe tank can route fill tube accessible area usually over top engine mount lug attach brass strap mount lug tube dont bend tube refueling Which easier Now about using fast-fill versus 1/ tube fill fast-fill plunge 5/33 tube fueler bottle /2 fill hole till disk bottoms squeeze till fuel pucks out pull out fueler go /s tube fill have hook up silicon tubing mate up nylon fitting tank tube keeping aligned squeeze fuel through 1/ tube actually 3/33 ID takes forever fill heat race especially youre beginner difficult make connection let alone squeeze fuel Which easier What about hot gloves hot thumbs versus clip flip-it think safety prime reason using hot gloves Ever see model released clip still attached cylinder head Unless -JUTES FREE COLOR CATALOG Choose over 200 exc t ng k tes 6 unusual & innovative des gns Call write catalog todayf Into Wind 541-0314 1408 MA Pearl St. Boulder CO 80302 m RJC Combat Gremlin RCM 12/92 Affondubi Coeopeel. oree Cueseom Cone Ion Model,, Model, Combul Geeenliew Coneo $12 Shoe hire 100 peonron no wood Full kim cli oood preruC $35- Comber oeeoele03n enilh nech nirornifull kir Upgncdn glidnn Co ireernrndiern 101 wOk enew wing 530Cr SlImly Gnnrle ledy orSyinil CM full jouluden cli wood wing kile $35 Dodgenur Leroon CS Quick, 500 core $8 pen peir PeOeroconee 3 rIrluk wirrgn rodS peoni $50 4 rhick $05 irrcfudne erebe Lnruerur neor club preject Menufecrunen inquinine innired ondene odd IS S&H CODe add $0 eddiriooel Conrecrue onrlrnicrerner furcunrnnrndcuerooinfwrecunee@worldnrdcoo RA Cores PO $63 Socelrbnidge MA 015500504 7050998 THE LEADER IN COMPETITION NEW DIA 15 IS $1___ 1I PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION lOTO 20% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIA PITCH 5e/434 634 72833456 8334568 8/e45r667 94566Yz77/ 104566/,7 106W8W 10SEW 1146777/e78 11sw 116EW 11/67 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 7 5N 5N SERIES 400C 8/e6r/e61/e77r/e7e/ 977r/7e/ W WIDE BLADE EW EXTRA WIDE N NARROW PROPELLERS 4 CYCLE THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW NEW PITCH THP 66/e 77 8 677 8 677 Ic S 67 678 July1995 119 iriugiisium ngins oiigni iesoed recommended Dave Patrick 33 44 60 73 88 twin avadabe Call 800-531-1784 WORLDS WIDEST VARIETY OF AUTHENTIC FLYING //* MODEL PLANS * IONLY SMALL ASSORT // MENT LITTED BELOW REGULAR INSTOCE PLANS GD5 OUR FAMOUS ORLSSMOSTAUTSENTICMOD PLAN RIABDDEVTATDO BARER 1/2iiiIiJZ 37 OeHov COSLeL RAGS 22 40 VoOght COOS P40 20 L15516 27 L6Bdbeogs BX21115 29 MALLS TAPSBMIBRLS91422 92045 934 60 54855 962 36 MeStISLE LySndo259L837 92475938 I32 35 BORg 046A ObEr23924349326G946 29 DOS ES 100 SpUrt2249344593616&958j9U9 2 33 GElD T510OLOS3U93G4593890 6212097 LOSIT LLZ6LoH P38275L939 92678 945lTW256 CoD P36A FIghts1H49L528 92056934.I1 55 Vgt CODS 0201/4189202792054544 172T55D 009 3D COD Catino FBTSa52948 7D9651U4574 19 CODOISS 541462496694989 17 Fo61S5 D7 PLO14912219L6i93U a4949 31 DaylaS 000HASLL49121749143593247544 70936 13 SoperrLoo S6DLS9102249L3444926160 38 89 52 36 OSSIS GolObaub4449142149484334 SCALE FLAIL 35 Lock Elocts #L1279254193255938 Lock Eloc 94 43 COSTS AVSSDSO TBF3092840 9388U92 Ford 3M 4AT6 42 DOS D17G FlyPortS194077 952te9 DOS DI7G 96 38 NA bTItGholI B25364937 55932~T 96 34 RRaccL-CaotolHC7215991323 922444935 HOC H 8-26 6 37 COD Navy 00311199182892457936 SILo ToL 4 25 CDacor R3C1 &211 915L649203133T HndlyFSgS 6 34 OSOg Traoop GC34794071 930 oo 0 -3 6 33 Cost Hawk P6EL59L523492247$44 409 32 OSOlLttlSS OHALl12 91718492237935 49946 74958 31 DOS P4k3M P12BI5916224920444932 594844 89 958 32 Upofid DollDog1349162092040932 53 80958 32 Howard IkeADLIk10491215491531926 62945 34 Tooser HM Racer13912190L639528 IS 940k 78952 35 HOw Ho D6LlllgaB16 915239 2047932 64944 94956 33 P26A Low TdogL491521 2042932 630451 84958 35 Stinsor TAd SE204916319 25625431 82955123S66 42 RH EDosqolto Doak37492441 3581950408965 37 Stearmo PT1716 918241 224553 43 N Elk 956405 PSI33940499 559S975~ 30 TAILS HwkS TeA 13144913210 1843936 42 CHSlIiOLvr SB2C42592537 35 26 Ford TejaSOr 4AT3893D57 48 31 HAllarca Air DM532 92248 3086 952 33 Gooao J2F Dock19492829 40189551 78968j 27 CSakawk P71i154918239 2457938 8 950 949D5 28 516 ALephIk 53D369 16 HP 0400 Doak509 31 LI y LSLrLoo2L9 31 Howard DacPte109 31 C Sparhwk P9C-21249 33 ASOOSGA C3 OptL89 38 EosneoS PeScO Up12 9 03 MoIght Plies20 READ DEPORt ORDERING * S/B BlAIR 1/32 SIZE PLANS AVAILABLE AT ON H08R1841284 URGED9150G .VDOLLAR UNOERTIDS SIZE BE SURE TG ADD THE GOD- -PRICED FOR ALL DESIGNI AL lOT FOR PACKAGING FOOTAGE AND ENDURANCE ABOUT THOUSAND ADDITIGI PLANS S MANY SIZES 75 CATALOG 9200 OR PR LIST ALONE 91 DI AIR FOREIGN 53 levelana Model ana uppiyCa ~" Ld,Sd 0 P8SSAAOISIIoLLS BOO FrIeodGiOL 1910' DETROIT HOOTRUE LEVELANE 5818 44100 lIS/ULHET6OTDWJ clip has modified smooth release sometimes has model gets end cord twang jerks side other Most time model straightens out pilot toes backs up enough regain control Sometimes Maintenance high system time happens should check wire-to-clip connections compare antics have go through hook up clip versus use hot glove thumb cant see anyone would want fool around clip think real reason allowing racing equipment general lack knowledge racing community three basic questions concerning items would-be racers cant answer 1 can fabricate can get set drawings sketches 2 can buy 3 properly used answers questions come several sources Magazine articles columns probably ready source Dont just look Racing write-ups Other areas hobby have neat ideas transferable control line Racing found out about carbon-fiber construction R/C glider columns column youll find out fabricating special equipment fabricate own pans Join National Control Line Racing Association c/u Jerry Meyer 8 5 Grace St North Aurora IL 60542 get newsletter Theyve good write-ups Slow Rat tank simple pinchoff shutoff make hot thumb determine best landing gear position written guys have around long time know what talking about Two best sources control line Racing information local contests compete Go some contests develop skills Dont expect well right away Try out race gear competition conditions Get used action Above keep eyes ears open ask questions competition finds out youre going give up quit will open up bag tricks let see inside Racing kind means developing using equipment works better makes go faster Fast-fills shutoffs hot gloves work better what used use Outlawing use simple easy-to-use items like taking step backwards add much control line racing F2C Team Trials Ever watch FAI Team Racing has exciting challenging control line Racing eventoIf can get Muncie Indiana weekend September 2-3 have chance see nations top teams go head-to-head three spots United States World Championship team Youll get see three-up racing its best Write Dave McDonald Box 384 Daleville IN 47334 information packet wont regret ng control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time -- call Radio South fast economical in-house radio service can depend * 18% KLDIZ/2% CASWR *ANTIDEFOAMERS5%700 *A]SffJRIJST9JVf7 WEAl10%800 0/ThENBL41VI1EJ15%900 USEDINPROCFSS YS20%1050 #22%1100 PHONE30% 1250 ORDERS 1 800-788 -4856 TVi TINFO 909 8774066 Fax 909 8774857 Q ST COMPOSITES 12301 DseIInORdSO 01000090 CocSOOOPECG 01739 120 Model Aviation its 1 OClock E-Z Bill WWII P-38 P-4U Now 4U Uorsair Pedal Planes will have much fun building 3-6 year old will have Flyingit Kit includes full-sized patterns complete Instructions (liAr nhntn Radio SouthFuaba KAM3MVCSo 3702 N PaceILi repoir informalion 904434-0909 800-962-7802 Pensacola FL 32505'Toll 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