CONTROL LINE AEROBATICS FOR THE LAST SIX MONTHS George Aldrich have working Willie Wylie develop turned-pipe Stunt engine based Willies very successful Fast Combat engines engines examples finest craftsmanship path really good Stunt engine direct translation 20-25000 rpm Combat engine started basic timing OPS SPA very first flight prototype showed some very nice characteristics airplane used tests well-tested competitive model have used initial pipe testing large model 710 square inches 63-inch span 61 ounces associated equipment such pipe header fuel prop etc well known engine variable test program goal develop engine least equal sweetrunning OPS 40 beginning flying engine fun characteristics really nice two/four break well power bit soft front end wet Measuring internals showed front end far too loose problem took two interactions cure because wasnt just bearings-to-case shaft shaft-to-case fit cylinder/piston fit too much taper hard compression went away after six eight runs problem also took several interactions correct situations stemmed high-rpm setup Combat approach worked 25000 rpm projects 10-12000rpm fits just considerably tighter ran other situations such cylinder head shape subpiston induction free porting some rearranging wrist pin location received first engine noted head small chamber very wide squish band Before flew engine changed shape line other successful pipe engines OPS PA 40s As narrowed other factors varied deck height tu find apprupriate setting subpiston induction present initial engines really couldnt tell affected characteristics power Eliminating free porting required changing wrist pin location However coincident improvements fits everything got better did some unintentional destruction testing pressure line come off several times during later testing causing some extremely lean runs did correct problem everything returned normal engine can tolerate rough handling come back Wylie excellent tuned-pipe Stunt engine workmanship outstanding tolerances have fine-tuned Stunt Although tested 40 46 also available engine supplied ABC configuration weighs approximately 10 ounces Contact Willie Wylie Shilen Inc Box 1300 Ennis TX 75119 Tel 214 875-5318 J-B Weld readily available high-strength high-temperature epoxy Ive used times often repairing carbon/epoxy pipes normal use mixed epoxy quite thickalmost puttylike consistencyand slow set found easy use very durable especially around high-stress areas such maintaining seal around pressure tap pipe However repairing some seepage required just thin coat thought Id try heat gun thin epoxy really worked well epoxy changed liquid easily spread acid brush penetrated well some cautions Heat small area work area go heat drastically increases set epoxy giving about minute working time no thickening give warningit just sets characteristics really handy certain situations thin heated epoxy wets glass carbon well spreads form thin coat sets after being heated forms very glossy hard surface retains excellent characteristics unheated epoxy use heat essentially have set-on-demand epoxy has excellent characteristics can used immediately after July1995 113 Bill Richs new SV-11 weighs 60 ounces has Aero 40 Smith Werwage pipe First years King Orange Dave Midgelys latest Cardinal Mirror Image SuperTigre 51 power Daves own tuned pipe #2 prototype Willie Wylie 40 tuned-pipe engine See column information testing results GIANTSCALE PITS PLAr Rubber Ek Engine Powei Free Flight Display Control Un. Electric Power RJC Airplanes Ceoena 150 n Valley Hobby Canter iant II837-A W Main St Lanadale PA 19440 Caners GST - 368-0770 4302N 750W UmnIa H 46767 2193 894-3370 KIT $11995DELUXE KIT $15995 SPECIFICATIONS 4ec M416rX6OOI Engine 25-402 cycle 40 48 4-Cycle Rado 3- Channel Learn fly planes private field B&rvl MODEL CO Five 6 day course $350 Open year round 290W tosoN LAYrON lIT 84041 Send SASE complete info Southwest RO PHONE 801544-5689 Call arSend 53 00 foe ColorBrochuee 3mCdoaOder Flying 2818 Carolina NE Albuquerque NM ADD $1393 SHIPPINGIIAANDLING liT RES ADD 625% TAX87110505-832-6394 PRODUCTS FOR ThE ERNING MODELER Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exheust Systems Unsurpasr Woinship 8 Pedormance Introduces NEW SUPER COOL Plug Hi Temp Insulator $209 addition FIREBALL RIO IDLE BAR plug $209 Hot & Standard Non-Idle Bar plugs still $169 Swanson Associates P0 Box 151 Sane 1848 Wayne NJ 07470 heat-activated set sanded filed etc Most commercial epoxies just dont react quite same way Give tryI really like options provides last time discussed painting made point changing OSHA regulations would eventually impact normal finishing procedures other day heard potential problem commonly used thinner has changed formulas DuPont 3608S has modified reduce volatile compounds designator changed V36085 problem concerns use thinner Sig Dope normally compatible Ive told V-series thinner caused clotting stringing Sig dope rendering unusable Since process finishing new Caudron thought Id find out just what situation mixed V thinner both dope acrylic previously thinned material no effect tried mixing thinner unthinned dope two different cansagain no discernible effect somewhat surprised possible informant new variant Sig dope too have responsive same regulations new formula could cause incompatibility About time probably thinking mention firsthand evidence wanted highlight paints using changing compatibility definite concern As basis manufacturers going insure products maintain compatibility Sig will work Sig DuPont thinner will work acrylic So best thing stick what manufacturer recommends nice able use thinner Check compatibility before getting point no return Ive requests information Al Rabe semiscale airplanes Although have some information Al real source past few years Al has flying Royal Saudi Airlines Saudi Arabia contact has rather infrequent called recently mentioned would reply requestsif youre great huny Contact Al Rabe Box 154346 Irving TX 75015-4346 Im sure Al would enjoy hearing time get latest issue Stunt News marvel quality Tom Morris puts out world community Precision Aerobatics fliers truly debt Stunt News publication Precision Aerobatics Pilots Association PAMPA published other month What astonishing consistently contains excellent technical information news about realm hobby nominally 100 pages Contact Tom PAMPA 327 Pueblo Pass Anniston AL 36206 US membership $20 will disappointed Model Aviation Giant Scale Jets & Warbirds 94 Catapult Jet94 $1995 EACH S&lhI SEND TO AMR PRODUCTIONS P0 BOX 1813 TOMS RiVER NJ 08754 MACHINERY & TOOLSLathes ing Machines Supplies s Books lsill Conytlete Macinn Shop Supplied FREE CATALOG304 562-3639 -11 li7ribqil Glow Plugs
Edition: Model Aviation - 1995/07
Page Numbers: 113, 114
Edition: Model Aviation - 1995/07
Page Numbers: 113, 114
CONTROL LINE AEROBATICS FOR THE LAST SIX MONTHS George Aldrich have working Willie Wylie develop turned-pipe Stunt engine based Willies very successful Fast Combat engines engines examples finest craftsmanship path really good Stunt engine direct translation 20-25000 rpm Combat engine started basic timing OPS SPA very first flight prototype showed some very nice characteristics airplane used tests well-tested competitive model have used initial pipe testing large model 710 square inches 63-inch span 61 ounces associated equipment such pipe header fuel prop etc well known engine variable test program goal develop engine least equal sweetrunning OPS 40 beginning flying engine fun characteristics really nice two/four break well power bit soft front end wet Measuring internals showed front end far too loose problem took two interactions cure because wasnt just bearings-to-case shaft shaft-to-case fit cylinder/piston fit too much taper hard compression went away after six eight runs problem also took several interactions correct situations stemmed high-rpm setup Combat approach worked 25000 rpm projects 10-12000rpm fits just considerably tighter ran other situations such cylinder head shape subpiston induction free porting some rearranging wrist pin location received first engine noted head small chamber very wide squish band Before flew engine changed shape line other successful pipe engines OPS PA 40s As narrowed other factors varied deck height tu find apprupriate setting subpiston induction present initial engines really couldnt tell affected characteristics power Eliminating free porting required changing wrist pin location However coincident improvements fits everything got better did some unintentional destruction testing pressure line come off several times during later testing causing some extremely lean runs did correct problem everything returned normal engine can tolerate rough handling come back Wylie excellent tuned-pipe Stunt engine workmanship outstanding tolerances have fine-tuned Stunt Although tested 40 46 also available engine supplied ABC configuration weighs approximately 10 ounces Contact Willie Wylie Shilen Inc Box 1300 Ennis TX 75119 Tel 214 875-5318 J-B Weld readily available high-strength high-temperature epoxy Ive used times often repairing carbon/epoxy pipes normal use mixed epoxy quite thickalmost puttylike consistencyand slow set found easy use very durable especially around high-stress areas such maintaining seal around pressure tap pipe However repairing some seepage required just thin coat thought Id try heat gun thin epoxy really worked well epoxy changed liquid easily spread acid brush penetrated well some cautions Heat small area work area go heat drastically increases set epoxy giving about minute working time no thickening give warningit just sets characteristics really handy certain situations thin heated epoxy wets glass carbon well spreads form thin coat sets after being heated forms very glossy hard surface retains excellent characteristics unheated epoxy use heat essentially have set-on-demand epoxy has excellent characteristics can used immediately after July1995 113 Bill Richs new SV-11 weighs 60 ounces has Aero 40 Smith Werwage pipe First years King Orange Dave Midgelys latest Cardinal Mirror Image SuperTigre 51 power Daves own tuned pipe #2 prototype Willie Wylie 40 tuned-pipe engine See column information testing results GIANTSCALE PITS PLAr Rubber Ek Engine Powei Free Flight Display Control Un. Electric Power RJC Airplanes Ceoena 150 n Valley Hobby Canter iant II837-A W Main St Lanadale PA 19440 Caners GST - 368-0770 4302N 750W UmnIa H 46767 2193 894-3370 KIT $11995DELUXE KIT $15995 SPECIFICATIONS 4ec M416rX6OOI Engine 25-402 cycle 40 48 4-Cycle Rado 3- Channel Learn fly planes private field B&rvl MODEL CO Five 6 day course $350 Open year round 290W tosoN LAYrON lIT 84041 Send SASE complete info Southwest RO PHONE 801544-5689 Call arSend 53 00 foe ColorBrochuee 3mCdoaOder Flying 2818 Carolina NE Albuquerque NM ADD $1393 SHIPPINGIIAANDLING liT RES ADD 625% TAX87110505-832-6394 PRODUCTS FOR ThE ERNING MODELER Complete Line Exhaust Systems Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exheust Systems Unsurpasr Woinship 8 Pedormance Introduces NEW SUPER COOL Plug Hi Temp Insulator $209 addition FIREBALL RIO IDLE BAR plug $209 Hot & Standard Non-Idle Bar plugs still $169 Swanson Associates P0 Box 151 Sane 1848 Wayne NJ 07470 heat-activated set sanded filed etc Most commercial epoxies just dont react quite same way Give tryI really like options provides last time discussed painting made point changing OSHA regulations would eventually impact normal finishing procedures other day heard potential problem commonly used thinner has changed formulas DuPont 3608S has modified reduce volatile compounds designator changed V36085 problem concerns use thinner Sig Dope normally compatible Ive told V-series thinner caused clotting stringing Sig dope rendering unusable Since process finishing new Caudron thought Id find out just what situation mixed V thinner both dope acrylic previously thinned material no effect tried mixing thinner unthinned dope two different cansagain no discernible effect somewhat surprised possible informant new variant Sig dope too have responsive same regulations new formula could cause incompatibility About time probably thinking mention firsthand evidence wanted highlight paints using changing compatibility definite concern As basis manufacturers going insure products maintain compatibility Sig will work Sig DuPont thinner will work acrylic So best thing stick what manufacturer recommends nice able use thinner Check compatibility before getting point no return Ive requests information Al Rabe semiscale airplanes Although have some information Al real source past few years Al has flying Royal Saudi Airlines Saudi Arabia contact has rather infrequent called recently mentioned would reply requestsif youre great huny Contact Al Rabe Box 154346 Irving TX 75015-4346 Im sure Al would enjoy hearing time get latest issue Stunt News marvel quality Tom Morris puts out world community Precision Aerobatics fliers truly debt Stunt News publication Precision Aerobatics Pilots Association PAMPA published other month What astonishing consistently contains excellent technical information news about realm hobby nominally 100 pages Contact Tom PAMPA 327 Pueblo Pass Anniston AL 36206 US membership $20 will disappointed Model Aviation Giant Scale Jets & Warbirds 94 Catapult Jet94 $1995 EACH S&lhI SEND TO AMR PRODUCTIONS P0 BOX 1813 TOMS RiVER NJ 08754 MACHINERY & TOOLSLathes ing Machines Supplies s Books lsill Conytlete Macinn Shop Supplied FREE CATALOG304 562-3639 -11 li7ribqil Glow Plugs
