Radio Control PYLON RA CING Bill Hager AS WRITE Northeast having its Worst snow over 40 years about 650 Conroe TX Eat hearts out gang lost though bad weather allows plenty time build new Formula Club 500 racer Quarter Midget you might piek up extra cheek cowl Formula Oneor just modify have accept both short pipe use Formula tumed muffler pipe can compete FAI Remember FAI F3D rules have changed can fly Formula either event have talking about getting FAI Racing going again several years rules have changed changed again now have what believe US Pylon Racer wants few clubs held FAI races 1982 thats Well have something shoot now As some might already have heard going FAI event 1983 Nationals believe us just waiting something like show really wanted start FAI again AMA backing hope some clubs have races scheduled year will add FAI would nice able get few races under belts before go Nationals end July might call tune-up races have racing now about 12 years types Pylon Racing goals able get out engine Most us use tachometer lot test flying come up best prop fuel combination get maximum engine performance No know has produced dynamometer model engine expense would out sight really dont need instrument com plicated anyway However can use torque stand very simple very accurate can use torque stand gather data can compute horsepower plot torque curve Pattem flier would interested torque Pylon Racer would want prop engine run near its horsepower peak air need set props ranging size too small too large Lets say Pylon Racing 40 start 11/6 go 10/6 9/6 8/2/6 8/6 7/6 Start out 11/6 take rpm reading torque reading same props until get smallest figures can plot torque curve also figure horsepower equation finding horsepower Horsepower equals Tor que x rpm 6 must first convert torque readings inch-ounces inchpounds Example 96 inch-ounces torque equals 6 inch-pounds developed 6 inch-pounds 22000 rpm would have 22000 x 6 5 209 horsepower will find maximum torque will occur considerably lower rpm maximum horse power will have some test flying find what combination works best least will now have precise way deter mining engine performs its best know several Control Line Speed fliers have made torque stands own use know stand available market produced sold Dan E Armstrong 2123 4th Ave North Irondale AL 35210 price $195 workmanship excellent am tool-and-die maker trade would attempt produce stand price Dan has done first-rate job Dans torque stand being used Cox Hob bies Shamrock Competition Imports Drapers RC several well-known Formula Pylon Racers Im acquainted have received several letters fall peo ple have having servo failures seems though order keep weight down some us have using very small mini servos servos might right small Continued page 159 May 1983 59 Scene Smyrna Air Races Smyrna TN Bill Preis releasing Bob Onoris Toni Matt Smith holds Norm Johnsons Denight Gail Jacobson holds Dave Latshas Toni Dick Ritch holding Fred French Note use ear protectors Balancing act Tobi Grether scratches calf instead calling Greg Doe Smyrna split 750 mAh pack radio gear will fit under seat foam rubber shock mount ing 1 also find Silver Seven two-stick trans mitter great choppers PS Im still flying Cricket No 2 new fast paddles short barmakes wild Well wear out Cricket might give Hughes modification try think Ill try keeping flying long Regarding Baron 20 mixer did drop ball since friend Bailey Harris didnt pursue plans Ill try again later column after flying Baron bit See next month Dave Chesney PO Box /66 12 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 59 sport plane Sailplane no way will stand up vibrations tremendous stresses exerted used Pylon Racer Come guys lets sacrifice safety ounce weight Attention QM F-i Fliers Hey guys its rules-change time think ought take special notice results RC Contest Board Initial Vote reported March 1983 issue Model Aviation page 110 thats Competition Newsletter section seven rules change proposals dealing Pylon have passed initial vote three RC-84-4 RC-84-28 RC-84-29 opinion reflect desires Pylon Racing fraternity general know dont reflect thinking NMPRA special interest group Pylon Racing Proposal RC-84-4 authored Horrace Cain pertains alternate scoring system other two proposals authored R Wilson would require mufflers tuned pipes Quarter Midget Formula might keep eye rules change business Competition Newsletter see Cross-Proposals have submitted would impact Pylon event wont too long September 1983 exact until RC Contest Board makes its Final Vote pro posals pass theyll official rules starting 1984 Whether youre against Id advise write AMA district RC Contest Board member dis trict Vice-President too let him know feelings Pylon Racing rules proposals can make voice heard OGIANT SCALE KITS AND SEMI KITS CLEAR WHITE PINE STOCK SIZES 1/4 SCALE DUMMY RADIAL MOTORS CUSTOM KIT CUTTING SERVICE GIANT SCALE BLUE PRINTS BIG IS BETTER SEND $200 FOR OUR NEW CATALOG will some good district RC Contest Board member supposed vote accordance desires modelers district may personally feel about proposal NMPRA will also make its opinions known RC Contest Board believe rules af fecting specific class type competition like Pylon Racingshould reflect desires active competitors Im fond rules pro posals coming outside However AMA very democratic organization anyone entitled propose rules change RMcM Enough said month want sup port Racing should join NMPRAdo today Send dues $1 8/year Gary McPike 28925 Parkheath Dr Agoura CA 91301 See next month Bill Hager 706 Glen Haven Dr Conroe TX 77302 RC Soaring/Pruss Continued page 61 top view note closely inboard wing Theres good reason this par ticular model Normally other models spoilers outboard turbulence spoilers create doesnt turn disturb airflow over horizontal stab because force arrangement GAMMA found higher angles attack wingwash rendered stab ineffective slower airspeeds mov ing spoilers inboard actuated now actually turbulate airflow over stab stab found effective lower approach speeds other three-view PIRANHA Some details given last months column Note full-span flaps used mainly change airfoil shape different F3B tasks wing feature taken lightly nor answer new designs As mentioned last month designers thought winner paper PIRANHA winner became shark-by-the-tail airborne Small flap changers gave fliers feeling entirely new Sailplane whenever small flap changes made Over two years later fliers finally getting bird behave way supposed paper flaps 25% chord can positioned throughout range zero degrees minus six degrees thats six degrees above neutral Spoilers also used shown Condnuedon page 162 PEANUT SCALE MODELS 1PIETENPOL V PIPER CUB ANDRESON MUSTANGLACEY M-I0 Kite $595 MILES M-18 DRUINE COUGAR GiPSY MOTH GANAGOBIE Ribbr PoweredSPORT MODELS -BABY ACE$649 ONE NITE 28$695 ONE NilE 16$595 PRAIRIE BIRD 4STRINGLESS$495 KIT $595PECK ROG$195 RADIO BLIMPS CONTROLLED ond 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE ond YELLOW LOW PRICES ITEMS CTLOO Seo EamFe PHONE ttitt 442-4636 tOil 469-8615 BOX 2498 -MA ESA CA 92041 May1983 159 ENGINES S SSORIES Let us update old engines Sales repair services WE ALSO FEATURE OR CUSTOM CUT K COITIOLINI TEND PROFILE0COMBA 70RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities INIFLOW & TINDD Cutrn Dliii Fil Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFI N DER 8345 Delhi Road Charleston Hgts SC 29405 803553-7169 3TEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96 Span 2 Scale 60 Engines 64 Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 red
Edition: Model Aviation - 1983/05
Page Numbers: 59, 159
Radio Control PYLON RA CING Bill Hager AS WRITE Northeast having its Worst snow over 40 years about 650 Conroe TX Eat hearts out gang lost though bad weather allows plenty time build new Formula Club 500 racer Quarter Midget you might piek up extra cheek cowl Formula Oneor just modify have accept both short pipe use Formula tumed muffler pipe can compete FAI Remember FAI F3D rules have changed can fly Formula either event have talking about getting FAI Racing going again several years rules have changed changed again now have what believe US Pylon Racer wants few clubs held FAI races 1982 thats Well have something shoot now As some might already have heard going FAI event 1983 Nationals believe us just waiting something like show really wanted start FAI again AMA backing hope some clubs have races scheduled year will add FAI would nice able get few races under belts before go Nationals end July might call tune-up races have racing now about 12 years types Pylon Racing goals able get out engine Most us use tachometer lot test flying come up best prop fuel combination get maximum engine performance No know has produced dynamometer model engine expense would out sight really dont need instrument com plicated anyway However can use torque stand very simple very accurate can use torque stand gather data can compute horsepower plot torque curve Pattem flier would interested torque Pylon Racer would want prop engine run near its horsepower peak air need set props ranging size too small too large Lets say Pylon Racing 40 start 11/6 go 10/6 9/6 8/2/6 8/6 7/6 Start out 11/6 take rpm reading torque reading same props until get smallest figures can plot torque curve also figure horsepower equation finding horsepower Horsepower equals Tor que x rpm 6 must first convert torque readings inch-ounces inchpounds Example 96 inch-ounces torque equals 6 inch-pounds developed 6 inch-pounds 22000 rpm would have 22000 x 6 5 209 horsepower will find maximum torque will occur considerably lower rpm maximum horse power will have some test flying find what combination works best least will now have precise way deter mining engine performs its best know several Control Line Speed fliers have made torque stands own use know stand available market produced sold Dan E Armstrong 2123 4th Ave North Irondale AL 35210 price $195 workmanship excellent am tool-and-die maker trade would attempt produce stand price Dan has done first-rate job Dans torque stand being used Cox Hob bies Shamrock Competition Imports Drapers RC several well-known Formula Pylon Racers Im acquainted have received several letters fall peo ple have having servo failures seems though order keep weight down some us have using very small mini servos servos might right small Continued page 159 May 1983 59 Scene Smyrna Air Races Smyrna TN Bill Preis releasing Bob Onoris Toni Matt Smith holds Norm Johnsons Denight Gail Jacobson holds Dave Latshas Toni Dick Ritch holding Fred French Note use ear protectors Balancing act Tobi Grether scratches calf instead calling Greg Doe Smyrna split 750 mAh pack radio gear will fit under seat foam rubber shock mount ing 1 also find Silver Seven two-stick trans mitter great choppers PS Im still flying Cricket No 2 new fast paddles short barmakes wild Well wear out Cricket might give Hughes modification try think Ill try keeping flying long Regarding Baron 20 mixer did drop ball since friend Bailey Harris didnt pursue plans Ill try again later column after flying Baron bit See next month Dave Chesney PO Box /66 12 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 59 sport plane Sailplane no way will stand up vibrations tremendous stresses exerted used Pylon Racer Come guys lets sacrifice safety ounce weight Attention QM F-i Fliers Hey guys its rules-change time think ought take special notice results RC Contest Board Initial Vote reported March 1983 issue Model Aviation page 110 thats Competition Newsletter section seven rules change proposals dealing Pylon have passed initial vote three RC-84-4 RC-84-28 RC-84-29 opinion reflect desires Pylon Racing fraternity general know dont reflect thinking NMPRA special interest group Pylon Racing Proposal RC-84-4 authored Horrace Cain pertains alternate scoring system other two proposals authored R Wilson would require mufflers tuned pipes Quarter Midget Formula might keep eye rules change business Competition Newsletter see Cross-Proposals have submitted would impact Pylon event wont too long September 1983 exact until RC Contest Board makes its Final Vote pro posals pass theyll official rules starting 1984 Whether youre against Id advise write AMA district RC Contest Board member dis trict Vice-President too let him know feelings Pylon Racing rules proposals can make voice heard OGIANT SCALE KITS AND SEMI KITS CLEAR WHITE PINE STOCK SIZES 1/4 SCALE DUMMY RADIAL MOTORS CUSTOM KIT CUTTING SERVICE GIANT SCALE BLUE PRINTS BIG IS BETTER SEND $200 FOR OUR NEW CATALOG will some good district RC Contest Board member supposed vote accordance desires modelers district may personally feel about proposal NMPRA will also make its opinions known RC Contest Board believe rules af fecting specific class type competition like Pylon Racingshould reflect desires active competitors Im fond rules pro posals coming outside However AMA very democratic organization anyone entitled propose rules change RMcM Enough said month want sup port Racing should join NMPRAdo today Send dues $1 8/year Gary McPike 28925 Parkheath Dr Agoura CA 91301 See next month Bill Hager 706 Glen Haven Dr Conroe TX 77302 RC Soaring/Pruss Continued page 61 top view note closely inboard wing Theres good reason this par ticular model Normally other models spoilers outboard turbulence spoilers create doesnt turn disturb airflow over horizontal stab because force arrangement GAMMA found higher angles attack wingwash rendered stab ineffective slower airspeeds mov ing spoilers inboard actuated now actually turbulate airflow over stab stab found effective lower approach speeds other three-view PIRANHA Some details given last months column Note full-span flaps used mainly change airfoil shape different F3B tasks wing feature taken lightly nor answer new designs As mentioned last month designers thought winner paper PIRANHA winner became shark-by-the-tail airborne Small flap changers gave fliers feeling entirely new Sailplane whenever small flap changes made Over two years later fliers finally getting bird behave way supposed paper flaps 25% chord can positioned throughout range zero degrees minus six degrees thats six degrees above neutral Spoilers also used shown Condnuedon page 162 PEANUT SCALE MODELS 1PIETENPOL V PIPER CUB ANDRESON MUSTANGLACEY M-I0 Kite $595 MILES M-18 DRUINE COUGAR GiPSY MOTH GANAGOBIE Ribbr PoweredSPORT MODELS -BABY ACE$649 ONE NITE 28$695 ONE NilE 16$595 PRAIRIE BIRD 4STRINGLESS$495 KIT $595PECK ROG$195 RADIO BLIMPS CONTROLLED ond 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE ond YELLOW LOW PRICES ITEMS CTLOO Seo EamFe PHONE ttitt 442-4636 tOil 469-8615 BOX 2498 -MA ESA CA 92041 May1983 159 ENGINES S SSORIES Let us update old engines Sales repair services WE ALSO FEATURE OR CUSTOM CUT K COITIOLINI TEND PROFILE0COMBA 70RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities INIFLOW & TINDD Cutrn Dliii Fil Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFI N DER 8345 Delhi Road Charleston Hgts SC 29405 803553-7169 3TEARMAN PT- 17 Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96 Span 2 Scale 60 Engines 64 Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 red