CONTROL LINE AEROBATICS Tm THE HUGE SUCCESS continuing series Vintage Stunt Championships has prompted its mentor Mike Keville expand format three days next years contest entries last contest trophies awarded dark 94 event scheduled March 25-27 mark calendar new format will have Old Time Ignition Old Time Friday round Classic formally called Nostalgia Saturday round Sunday J0 Ann Keville will contest director Mike doesnt foresee being able make time around expanded format should time other areas keeping spirit Vintage format havent attended Tucson contests several informal activities promoted could add fun flavor entire event first demonstration flying unusual old original examples aircraft entered main contest Past examples have Bart Klapinski former NATS champ best strange-plane flier Ive seen flying Don Hutchinsons PT-17 near-scale Bipe through modem Stunt pattern Bob Hunt Ban Flying Gordon Delanys Monstor twin Another demonstration might old Mirror Meet pattern Ive talked about before column Bob Hunt have talked about lot Ive finally got work new Reinhart Stunt wing next year So will during lunch breaks second area would expand what few people already doing informally Some cottage-industry types have showing kits tanks etc offering sale Others have brought older engines pans sale trade expand full-blown collecto such Model Engine Collectors Association MECA sponsors could focus engines kits plans pieces support Vintage era Friday night hotel would reasonable time place has done J0 Ann would probably need someone rnn idea later have thoughts drop line Several columns back talked about building SV-12 Intrepid Aero Products initial reaction plans just looked tight Well Ive finished SV-12I got bit carried away clear coats its heavy 68 ounces thought performance would probably suffer Id heard people design would carry weight skeptical Now Im believer flies extremely well nice groove very clean corner nicely suited OPS 40 piped setup good-flying proven design recommend highly fly pipe setup comments Ive read heard about props use have meaning Its analogous old saw about picture being worth thousand words Most thoughts focus going lower-pitch props pipe really didnt think too much about anything other four-inch-and-less pitches use seemed obvious get the engines turn up 10000-11000 rpm gear proper lap speeds used low-pitch props funny thing low pitch reality biggest benefits whole process Having said Id like offer some thoughts what Ive experienced discuss Continued page 102 November1993 93 Intrepid powered really excellent combination Former world champ Bob Giesekes newest winner Bear powered OS 46VF pipe weighs 52 oz 670 sq uon eianson works nara TO prepare nis Us 4U pipe v-1 tor official flight Texas championships diII HIcfl5 v-1 Intrepid powered y SV-12 us 4VI pipe Bill says NATS plane SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTR AVAIl ARI F INfliViflhlAl Y CUMrE Ill ION AUCESSUHILS RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS CL Aerobatics/McMiIIan Continued page 93 performance gains read about years ago props us knew about 10 x 6 Top Flite some other brand Well turns out good fliers Classic era using lower pitches because information wasnt well disseminated few knew hap pening addition older motors timed lower rpm sometimes match motor wasnt back higher pitches George Aldrich mentioned running four-plus pitch wide blades presswood lop Flite 10 x 5s actually under five pitch winning Noblers consensus Stunt plane ran six pitch much because sound classic mn because performance two-four break upper outside portions square eights verticals power thus line tension faded lived way because didnt see anything better low-pitch props offer per formance PAMPA newsletter Ted Fancher stated pipe same props same engines pro duced gain performance question What gain Sometimes difficult quantify C I d guess flier has realized gain simply because didnt set up plane correctly experience Before working different props need understand what relationships what Bob Hunt explained pitch relation ship best compared props gears car new cars come tachometers visualize low gear tach rpm naturally higher low gears lower shifts made same true low-pitch props rpm must higher maintain same speed lower pitch prop Let also mention another good point cars tach illustrates low gear rpm must closely controlled maintain correct speed though rpm can varied count Its torque curve speed torque match matter Back experimenting standard setup Take 60 model commonly flies lap speed 52-54 seconds 55-60 x 12-125 props want go low-pitch prop go Rev-Up 13 x 5 start Typically pitch 45-48 remember Lou Dudka recommending wind props lets make work other conditions Start getting plane up speed know comfortable Dont sound motoryou must get Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson AssocIates PO Box 151 Wayne NJ 07470 $169 S,ee 1kG 102 Model Aviation et 074 FUN TO BUILD & FLY LIVELY AEROBATIC BIPLANE $ti9 SEND FOR FREE BROCHURE 27 WINGSPAN 4-Ch .j PRE-CUT BALSA KIT LETE HARDWARE1034 River Bard Dr12M Add $4shpWI 5% tao Hartford WI 53027 Wannabe Private Pilots Comprehensive handbook reveals save time frustration money gettingyoorwings Plus other things really need know FREE DETAILS OR eeeee9d Ee&uem SEND $1275 TODAYI 1034 River Bend Dr12M $135 SIB WI 5% TAX Hartford WI 53027 OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISAIMC BUY 4 VIDEOS 1 FREE lg 93 Tep Gun InvifatI t wIEd Ins trt Fair Trtmtdale Barsstarmtrs Scalt tle Mus Flight2 Hrs.$1 995 #18 SSA. Las Vtgas t wlJim Appltby & Shetttr CarIsis '92 NW Medel taps 2 Hrs.S1 995 #17 calemaster Champs Lest Star Mus Air Met USS Alabama2 Hrs.S1995 #18 Aircraft Gonttrsville AL atal Air Mostum Ptoaicola FL2 Hrs.$1995 2 World SuIt Champs AMA InvIl Shootouf W Intl emasters2 Hrs.$1995 5 #14 92 NW Seaplant Champs to Scals Aviation Australia 2 Hrs.$1995 #13 ap Got Invitall oledo Model tapo s Air um2 Hrs.$1995 t #12 -91 Scaltmasstrs Las Vegas 91 0SAA Las Vtgas Scalemaster Aircraft 2 Hrs.$199B #11 91 NWPreview Ml g ttsit wltian Parasts '91 NW Staplant Champs 2 HJa.$1995 4 #18 91 Tsp Gun W Palm Bib Fl 90 OSAA Las Vtgas'91 NW Model taps2 Hrs.$1995 J #9 90 Scalemasters Champs Irving TX 90 Whidbey SI Scalemasters an Diegs Aersopace Mas 2 Nm. $1995 0 NW Intl Scalemasters Farragut Park-Athol ID plin Fighter Museum w/lts Proctsr W Seaplane e Champs Santa Monica Moo Flying2 Hms.$1995 Special Edition br Proctor Enterprises Albatros DVA Btfef Constr. Engine Radio lnstall& Test Flights -2 Hrs .$l995 iss JN4LI Jenny Plans FUN SCALE 109 incheo 1994 sq 11 lbs 8 aheets m/instroctions .$1 995 i 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 eFAX 503 678-1342 SEND STAMP FOR COMPLETE LIST & SECAM ORDERS e M&M CONCEPTS 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA e 03-801-3899 Faa 03887-3472 VHS-BETA IieMlI RIC Idle-Bar Glow Plugs Long Short $209 Only Rs up will have different feel what performance gain may may get first time what looking First heavy line tension below 450 severe lessening above 450 will mod erate general tension will evenly distributed especially vertical maneuvers speed changes twofour cycle break will less severe should notice nicer characteristic overall big feature will wind perform ance will able drive though pattern heavy handle pressure once made task agony no looked forward Also wind up loops will minimize reasonable amount have watched some top fliers heavy conditions wondered possible prop/engine com bination difference made using right prop absolutely astounding Some cautions testing saw words western newsletter low pitches didnt work Fox 35 sur mise thats true motor low-rpm setup wont turn up enough effec tive will need around 10500 rpm old 05 35s will turn rpm Bob Hunt showed Tucker set up depitched 11 x 5 Rev-Up about 4/4 worked well ST 60s 46s will turn up enough run 4 4 pitch pitch range will show measur able gains would really better get down under 4-inch pitch minimize wind up wind determine want go get beneficial effect want run motor similar piped motor gear/pitch unloaded just beyond peak horsepower curve rpm falls off load horse power kicks rpms come back since back side curve plane settles back unloaded condition Thats what its about can get range will very happy props themselves pitch gauge vital Check ads Prather pitch gauges Stock props can vary blade blade prop prop approach have found consistent medium-to-wide blade set constant pitch numberfour station tip props will pitch lower tip Ive found doesnt work well thing slight increase pitch very tip will help verticals test 13 x 5 Rev-Up might consider taking sanding block increasing pitch last inch prop dont until after have worked stock prop Try approach Itll take some time get right does work 1063 Lorain Ohio 44055 e 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 * Stinson 125 1795 * Piper PA-16 1795 16 Clipper rcraft L~osqlto Semi-Scale Kits G02 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * PC-6 Porter 1095 Contest-Span Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits P-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13 Span *cub895 *Stinson 125995 *Vagabond995 *Farman895 *Jodel995 *Fike995 1/2 R/O Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 r FEB 5th-6th 9 AM-6 PM SATURDAY 10 AM-S PM SUNDAY WESTERN WASHINGTON FAIRGROUNDS PUYALLUP WASHINGTON RADIO CONTROLLED MODELS OVER 80 MANUFACTURERSSWAP SHOPHUNDREDS OF MODELSCONCESSIONS AIRCRAFTBOATSCARSRAILROADS INDOOR-OUTDOOR RIC CAR RACINGBOAT DEMONSTRATIONS IN OUTDOOR POOL CONTROL LINE DEMONSTRATIONSRIC HELICOPTER DEMONSTRATIONS ELECTRIC R/C PLANE DEMONSTRATIONS November1993 103 L L ADULTS S 500 CHILDREN 6-12 $300 u/adult SENIOR CITIZENS $300
Edition: Model Aviation - 1993/11
Page Numbers: 93, 102, 103
CONTROL LINE AEROBATICS Tm THE HUGE SUCCESS continuing series Vintage Stunt Championships has prompted its mentor Mike Keville expand format three days next years contest entries last contest trophies awarded dark 94 event scheduled March 25-27 mark calendar new format will have Old Time Ignition Old Time Friday round Classic formally called Nostalgia Saturday round Sunday J0 Ann Keville will contest director Mike doesnt foresee being able make time around expanded format should time other areas keeping spirit Vintage format havent attended Tucson contests several informal activities promoted could add fun flavor entire event first demonstration flying unusual old original examples aircraft entered main contest Past examples have Bart Klapinski former NATS champ best strange-plane flier Ive seen flying Don Hutchinsons PT-17 near-scale Bipe through modem Stunt pattern Bob Hunt Ban Flying Gordon Delanys Monstor twin Another demonstration might old Mirror Meet pattern Ive talked about before column Bob Hunt have talked about lot Ive finally got work new Reinhart Stunt wing next year So will during lunch breaks second area would expand what few people already doing informally Some cottage-industry types have showing kits tanks etc offering sale Others have brought older engines pans sale trade expand full-blown collecto such Model Engine Collectors Association MECA sponsors could focus engines kits plans pieces support Vintage era Friday night hotel would reasonable time place has done J0 Ann would probably need someone rnn idea later have thoughts drop line Several columns back talked about building SV-12 Intrepid Aero Products initial reaction plans just looked tight Well Ive finished SV-12I got bit carried away clear coats its heavy 68 ounces thought performance would probably suffer Id heard people design would carry weight skeptical Now Im believer flies extremely well nice groove very clean corner nicely suited OPS 40 piped setup good-flying proven design recommend highly fly pipe setup comments Ive read heard about props use have meaning Its analogous old saw about picture being worth thousand words Most thoughts focus going lower-pitch props pipe really didnt think too much about anything other four-inch-and-less pitches use seemed obvious get the engines turn up 10000-11000 rpm gear proper lap speeds used low-pitch props funny thing low pitch reality biggest benefits whole process Having said Id like offer some thoughts what Ive experienced discuss Continued page 102 November1993 93 Intrepid powered really excellent combination Former world champ Bob Giesekes newest winner Bear powered OS 46VF pipe weighs 52 oz 670 sq uon eianson works nara TO prepare nis Us 4U pipe v-1 tor official flight Texas championships diII HIcfl5 v-1 Intrepid powered y SV-12 us 4VI pipe Bill says NATS plane SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTR AVAIl ARI F INfliViflhlAl Y CUMrE Ill ION AUCESSUHILS RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS CL Aerobatics/McMiIIan Continued page 93 performance gains read about years ago props us knew about 10 x 6 Top Flite some other brand Well turns out good fliers Classic era using lower pitches because information wasnt well disseminated few knew hap pening addition older motors timed lower rpm sometimes match motor wasnt back higher pitches George Aldrich mentioned running four-plus pitch wide blades presswood lop Flite 10 x 5s actually under five pitch winning Noblers consensus Stunt plane ran six pitch much because sound classic mn because performance two-four break upper outside portions square eights verticals power thus line tension faded lived way because didnt see anything better low-pitch props offer per formance PAMPA newsletter Ted Fancher stated pipe same props same engines pro duced gain performance question What gain Sometimes difficult quantify C I d guess flier has realized gain simply because didnt set up plane correctly experience Before working different props need understand what relationships what Bob Hunt explained pitch relation ship best compared props gears car new cars come tachometers visualize low gear tach rpm naturally higher low gears lower shifts made same true low-pitch props rpm must higher maintain same speed lower pitch prop Let also mention another good point cars tach illustrates low gear rpm must closely controlled maintain correct speed though rpm can varied count Its torque curve speed torque match matter Back experimenting standard setup Take 60 model commonly flies lap speed 52-54 seconds 55-60 x 12-125 props want go low-pitch prop go Rev-Up 13 x 5 start Typically pitch 45-48 remember Lou Dudka recommending wind props lets make work other conditions Start getting plane up speed know comfortable Dont sound motoryou must get Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson AssocIates PO Box 151 Wayne NJ 07470 $169 S,ee 1kG 102 Model Aviation et 074 FUN TO BUILD & FLY LIVELY AEROBATIC BIPLANE $ti9 SEND FOR FREE BROCHURE 27 WINGSPAN 4-Ch .j PRE-CUT BALSA KIT LETE HARDWARE1034 River Bard Dr12M Add $4shpWI 5% tao Hartford WI 53027 Wannabe Private Pilots Comprehensive handbook reveals save time frustration money gettingyoorwings Plus other things really need know FREE DETAILS OR eeeee9d Ee&uem SEND $1275 TODAYI 1034 River Bend Dr12M $135 SIB WI 5% TAX Hartford WI 53027 OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISAIMC BUY 4 VIDEOS 1 FREE lg 93 Tep Gun InvifatI t wIEd Ins trt Fair Trtmtdale Barsstarmtrs Scalt tle Mus Flight2 Hrs.$1 995 #18 SSA. Las Vtgas t wlJim Appltby & Shetttr CarIsis '92 NW Medel taps 2 Hrs.S1 995 #17 calemaster Champs Lest Star Mus Air Met USS Alabama2 Hrs.S1995 #18 Aircraft Gonttrsville AL atal Air Mostum Ptoaicola FL2 Hrs.$1995 2 World SuIt Champs AMA InvIl Shootouf W Intl emasters2 Hrs.$1995 5 #14 92 NW Seaplant Champs to Scals Aviation Australia 2 Hrs.$1995 #13 ap Got Invitall oledo Model tapo s Air um2 Hrs.$1995 t #12 -91 Scaltmasstrs Las Vegas 91 0SAA Las Vtgas Scalemaster Aircraft 2 Hrs.$199B #11 91 NWPreview Ml g ttsit wltian Parasts '91 NW Staplant Champs 2 HJa.$1995 4 #18 91 Tsp Gun W Palm Bib Fl 90 OSAA Las Vtgas'91 NW Model taps2 Hrs.$1995 J #9 90 Scalemasters Champs Irving TX 90 Whidbey SI Scalemasters an Diegs Aersopace Mas 2 Nm. $1995 0 NW Intl Scalemasters Farragut Park-Athol ID plin Fighter Museum w/lts Proctsr W Seaplane e Champs Santa Monica Moo Flying2 Hms.$1995 Special Edition br Proctor Enterprises Albatros DVA Btfef Constr. Engine Radio lnstall& Test Flights -2 Hrs .$l995 iss JN4LI Jenny Plans FUN SCALE 109 incheo 1994 sq 11 lbs 8 aheets m/instroctions .$1 995 i 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 eFAX 503 678-1342 SEND STAMP FOR COMPLETE LIST & SECAM ORDERS e M&M CONCEPTS 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA e 03-801-3899 Faa 03887-3472 VHS-BETA IieMlI RIC Idle-Bar Glow Plugs Long Short $209 Only Rs up will have different feel what performance gain may may get first time what looking First heavy line tension below 450 severe lessening above 450 will mod erate general tension will evenly distributed especially vertical maneuvers speed changes twofour cycle break will less severe should notice nicer characteristic overall big feature will wind perform ance will able drive though pattern heavy handle pressure once made task agony no looked forward Also wind up loops will minimize reasonable amount have watched some top fliers heavy conditions wondered possible prop/engine com bination difference made using right prop absolutely astounding Some cautions testing saw words western newsletter low pitches didnt work Fox 35 sur mise thats true motor low-rpm setup wont turn up enough effec tive will need around 10500 rpm old 05 35s will turn rpm Bob Hunt showed Tucker set up depitched 11 x 5 Rev-Up about 4/4 worked well ST 60s 46s will turn up enough run 4 4 pitch pitch range will show measur able gains would really better get down under 4-inch pitch minimize wind up wind determine want go get beneficial effect want run motor similar piped motor gear/pitch unloaded just beyond peak horsepower curve rpm falls off load horse power kicks rpms come back since back side curve plane settles back unloaded condition Thats what its about can get range will very happy props themselves pitch gauge vital Check ads Prather pitch gauges Stock props can vary blade blade prop prop approach have found consistent medium-to-wide blade set constant pitch numberfour station tip props will pitch lower tip Ive found doesnt work well thing slight increase pitch very tip will help verticals test 13 x 5 Rev-Up might consider taking sanding block increasing pitch last inch prop dont until after have worked stock prop Try approach Itll take some time get right does work 1063 Lorain Ohio 44055 e 216 282-8354 Big Flying Scale Kits Over Two Foot Span * PiperCub 1795 * Stinson 125 1795 * Piper PA-16 1795 16 Clipper rcraft L~osqlto Semi-Scale Kits G02 Rubber Power 22 Span * Taylorcratt 1095 * Stinson Voyager .. 1095 * PC-6 Porter 1095 Contest-Span Kits * Hornet Embryo 1095 * Hornet P-30 1695 Fits P-30 & Pee Wee Rules Outdoor Peanut Scale Kits 13 Span *cub895 *Stinson 125995 *Vagabond995 *Farman895 *Jodel995 *Fike995 1/2 R/O Gas Electric Kits Fits Astro 035 Taylorcraft3995 Stinson 1253995 HARD TO FIND ITEMS Brown 002 Motors Accessories Over 20 Sizes Rubber Strip Japanese Tissue Super Fine Balsa Sheets & Strips Add 10% Shipping $250 Minimum Shipping CATALOG $200 r FEB 5th-6th 9 AM-6 PM SATURDAY 10 AM-S PM SUNDAY WESTERN WASHINGTON FAIRGROUNDS PUYALLUP WASHINGTON RADIO CONTROLLED MODELS OVER 80 MANUFACTURERSSWAP SHOPHUNDREDS OF MODELSCONCESSIONS AIRCRAFTBOATSCARSRAILROADS INDOOR-OUTDOOR RIC CAR RACINGBOAT DEMONSTRATIONS IN OUTDOOR POOL CONTROL LINE DEMONSTRATIONSRIC HELICOPTER DEMONSTRATIONS ELECTRIC R/C PLANE DEMONSTRATIONS November1993 103 L L ADULTS S 500 CHILDREN 6-12 $300 u/adult SENIOR CITIZENS $300
Edition: Model Aviation - 1993/11
Page Numbers: 93, 102, 103
CONTROL LINE AEROBATICS Tm THE HUGE SUCCESS continuing series Vintage Stunt Championships has prompted its mentor Mike Keville expand format three days next years contest entries last contest trophies awarded dark 94 event scheduled March 25-27 mark calendar new format will have Old Time Ignition Old Time Friday round Classic formally called Nostalgia Saturday round Sunday J0 Ann Keville will contest director Mike doesnt foresee being able make time around expanded format should time other areas keeping spirit Vintage format havent attended Tucson contests several informal activities promoted could add fun flavor entire event first demonstration flying unusual old original examples aircraft entered main contest Past examples have Bart Klapinski former NATS champ best strange-plane flier Ive seen flying Don Hutchinsons PT-17 near-scale Bipe through modem Stunt pattern Bob Hunt Ban Flying Gordon Delanys Monstor twin Another demonstration might old Mirror Meet pattern Ive talked about before column Bob Hunt have talked about lot Ive finally got work new Reinhart Stunt wing next year So will during lunch breaks second area would expand what few people already doing informally Some cottage-industry types have showing kits tanks etc offering sale Others have brought older engines pans sale trade expand full-blown collecto such Model Engine Collectors Association MECA sponsors could focus engines kits plans pieces support Vintage era Friday night hotel would reasonable time place has done J0 Ann would probably need someone rnn idea later have thoughts drop line Several columns back talked about building SV-12 Intrepid Aero Products initial reaction plans just looked tight Well Ive finished SV-12I got bit carried away clear coats its heavy 68 ounces thought performance would probably suffer Id heard people design would carry weight skeptical Now Im believer flies extremely well nice groove very clean corner nicely suited OPS 40 piped setup good-flying proven design recommend highly fly pipe setup comments Ive read heard about props use have meaning Its analogous old saw about picture being worth thousand words Most thoughts focus going lower-pitch props pipe really didnt think too much about anything other four-inch-and-less pitches use seemed obvious get the engines turn up 10000-11000 rpm gear proper lap speeds used low-pitch props funny thing low pitch reality biggest benefits whole process Having said Id like offer some thoughts what Ive experienced discuss Continued page 102 November1993 93 Intrepid powered really excellent combination Former world champ Bob Giesekes newest winner Bear powered OS 46VF pipe weighs 52 oz 670 sq uon eianson works nara TO prepare nis Us 4U pipe v-1 tor official flight Texas championships diII HIcfl5 v-1 Intrepid powered y SV-12 us 4VI pipe Bill says NATS plane SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTR AVAIl ARI F INfliViflhlAl Y CUMrE Ill ION AUCESSUHILS RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS CL Aerobatics/McMiIIan Continued page 93 performance gains read about years ago props us knew about 10 x 6 Top Flite some other brand Well turns out good fliers Classic era using lower pitches because information wasnt well disseminated few knew hap pening addition older motors timed lower rpm sometimes match motor wasnt back higher pitches George Aldrich mentioned running four-plus pitch wide blades presswood lop Flite 10 x 5s actually under five pitch winning Noblers consensus Stunt plane ran six pitch much because sound classic mn because performance two-four break upper outside portions square eights verticals power thus line tension faded lived way because didnt see anything better low-pitch props offer per formance PAMPA newsletter Ted Fancher stated pipe same props same engines pro duced gain performance question What gain Sometimes difficult quantify C I d guess flier has realized gain simply because didnt set up plane correctly experience Before working different props need understand what relationships what Bob Hunt explained pitch relation ship best compared props gears car new cars come tachometers visualize low gear tach rpm naturally higher low gears lower shifts made same true low-pitch props rpm must higher maintain same speed lower pitch prop Let also mention another good point cars tach illustrates low gear rpm must closely controlled maintain correct speed though rpm can varied count Its torque curve speed torque match matter Back experimenting standard setup Take 60 model commonly flies lap speed 52-54 seconds 55-60 x 12-125 props want go low-pitch prop go Rev-Up 13 x 5 start Typically pitch 45-48 remember Lou Dudka recommending wind props lets make work other conditions Start getting plane up speed know comfortable Dont sound motoryou must get Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Swanson AssocIates PO Box 151 Wayne NJ 07470 $169 S,ee 1kG 102 Model Aviation et 074 FUN TO BUILD & FLY LIVELY AEROBATIC BIPLANE $ti9 SEND FOR FREE BROCHURE 27 WINGSPAN 4-Ch .j PRE-CUT BALSA KIT LETE HARDWARE1034 River Bard Dr12M Add $4shpWI 5% tao Hartford WI 53027 Wannabe Private Pilots Comprehensive handbook reveals save time frustration money gettingyoorwings Plus other things really need know FREE DETAILS OR eeeee9d Ee&uem SEND $1275 TODAYI 1034 River Bend Dr12M $135 SIB WI 5% TAX Hartford WI 53027 OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISAIMC BUY 4 VIDEOS 1 FREE lg 93 Tep Gun InvifatI t wIEd Ins trt Fair Trtmtdale Barsstarmtrs Scalt tle Mus Flight2 Hrs.$1 995 #18 SSA. Las Vtgas t wlJim Appltby & Shetttr CarIsis '92 NW Medel taps 2 Hrs.S1 995 #17 calemaster Champs Lest Star Mus Air Met USS Alabama2 Hrs.S1995 #18 Aircraft Gonttrsville AL atal Air Mostum Ptoaicola FL2 Hrs.$1995 2 World SuIt Champs AMA InvIl Shootouf W Intl emasters2 Hrs.$1995 5 #14 92 NW Seaplant Champs to Scals Aviation Australia 2 Hrs.$1995 #13 ap Got Invitall oledo Model tapo s Air um2 Hrs.$1995 t #12 -91 Scaltmasstrs Las Vegas 91 0SAA Las Vtgas Scalemaster Aircraft 2 Hrs.$199B #11 91 NWPreview Ml g ttsit wltian Parasts '91 NW Staplant Champs 2 HJa.$1995 4 #18 91 Tsp Gun W Palm Bib Fl 90 OSAA Las Vtgas'91 NW Model taps2 Hrs.$1995 J #9 90 Scalemasters Champs Irving TX 90 Whidbey SI Scalemasters an Diegs Aersopace Mas 2 Nm. $1995 0 NW Intl Scalemasters Farragut Park-Athol ID plin Fighter Museum w/lts Proctsr W Seaplane e Champs Santa Monica Moo Flying2 Hms.$1995 Special Edition br Proctor Enterprises Albatros DVA Btfef Constr. 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