Control S IC Navy Carrier Richard Perry THE ORIGINAL Carrier scoring system proposed change will voted September placed primary emphasis high-speed portion flight Because emphasis no alternative high speed longtime Thus top places went almost exclusively best engines current scoring system devised place emphasis low speed require balanced performance consistently high scores multipliers used ratio method lowspeed scoring achieve objective low speeds can reached stalling model about 15 mph possible achieve roughtly equivalent scores small light clean model capable about 18 mph slowor heavier, complex flapped model capable about 15 mph People tended adapt models flying styles suit personal philosophies regarding high-performance engines High-speed performance reached plateau high 80s low 90s plain-bearing con versions really good ST 35 engines became common Since engine line drag limiting high speed greater extent model weight wing flaps could added incurring significant high-speed penalty Flapped models became prominent winners circles major meets high speed limited engine perfor mance low speed limited wing stall about 15 mph logical avenue improve ment abandon aerodynamic flight low speed pursue exaggerated nose-high stalled configuraton engine providing malor portion lift type flying became prominent factor event 1976 Dayton Nats Dick Davis amazed spectators caused quite bit concern among Carrier fliers near-vertical prophanging rule later adopted would limit low-speed flight 600 nose-high attitude model used Dick Davis un flapped symmetrical airfoil configuration very well suited prop-hanging flight because propwash over wing produces no notice able forces model pitching force Martin AM-i Mauler well suiteu . Carrier events Class II model built Jerry West wing flaps two sections because dihedral joints wing panel due propwash force caused stabil izer elevator 600 rule however unflapped model cant slowed below about 13 mph adding flaps propwash over wing can made produce lift can slow model 8 12 mph range flaps addition producing lift also produce strong nose-down pitching moment varies engine thrust pitching moment can cause serious problems maintaining constant pitch attitude pacesetter solving prob lems has Dave Wallick 1980 Nats win Profile Carrier record attest success Daves models employ number techniques ensure adequate line tension controlability during low-speed flight extremely low speeds centrifugal force sufficient overcome weight lines Since engine providing lift thrust line offset outside circle engine can also provide additional line tension Five degrees offset appears about minimum Dave uses ailerons help keep outboard wing down during transition low speed outboard aileron raised bellcrank pushrods flaps lowered Adjustable devises flap aileron horns allow adjusting aileron throw neutral point relation flap As additional aid line tension outboard wing should weighted least three ouncesmore variable line sweep used Daves flaps operated pushrods tail hook Adjustable devises used too aid flight trimming Dave deflects Iit Jerry Wests Class Airabonita modeled alter experimental Bt XFL-1 attempt adapt Airacobra configuration carrier opera tions before Navy switched trike gear October1981 67 Class model Fairey Barracuda torpedo carrier flown Jim West chin-mounted radiator provides efficient cowling inverted engine nia u--u- igercas Dy iea rraver acnieves ex cellent low speed propwash over large portion flapped wing Ted responsible photos month APPROX 5 oz per revolution HAND CRANKED FOR SAFE RELIABLE USE SIX SHOOTER FUEL PUMP NOW AVAILABLE FOR GASOLINE & DIESEL FUEL EITHER VERSION $1095 THE ONLY PUMP AVAILABLE FOR USE WITH DIESEL FUEL SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0144 far West thanks WAM Doug Dahike Oshkosh WI primary mover Midwest OTS Old Time flown using Stunt pattern 195 1-52 AMA rules omitting appearance points bonus 20 points awarded use operating spark ignition system 1951-52 Stunt pattern includes starting takeoff level flight climb dive upright wingover inside outside round loops five inverted flight horizontal vertical overhead eights inside square loop landing Aircraft selection OTS limited available kit plan form prior December 31 1952 No modifications per mitted other structural changes strengthen model Any modifications opinion judges significantly change appearance and/or performance aircraft originally designed allowed can obtain latest up-to-date list kits magazine article plans etc qualify 015 John Miske 415 Clifton Blvd Clifton NJ 07013 telephone 201 472-2752 John also has plans available over 130 designs eligible Most OTS devotees use modern engine reliability often old faithfuls show up after spending half-hour getting started owner proceeds have good time flying old pattern HObbY Born OLD TIMER KITS Full Partial Kits P & W Semi-Kits--Rib Tip Former Ktts 1941 Playboy Jr 54 Span Plan Extra $1450 Plan--$2 50 companion Stripanod Kit--$13 12 Combination Playboy Jr abova itemaSSlO 00 1941 Playboy Sr 00 Span Plan Extra$1925 Plan--$3 00 Companion Stripwood Kil--$20 30 Combination Playboy Sr three items $4500 1939 zipper Comet 54 Span Plan Inci $3350 Companion Stripanod Kit--$1572 Combination zipper Both above ilems--$4500 1932 Dallaire Sportater 100 Span Plan ES $2600 Plan--$500 Companion Stripwood Ki-$3000 Combination Daltaire Kit three items$5000 1930 Powerhouse 04 Span Plan Extra$2100 Plan--S4 00 Companion Slripwood Kit--$17 70 Combination Powerhouse Kit sIt 3 above $3000 Other combinations available- 1930 Buccaneer$4000 1930 Clipper ME $3000 1939 Mercury $5500 1935 Miss America $5900 1040 Ranger $2700 1940 Sailplane $7000 1940 So Long $2000 1930 Trenton Terror $3000 Korda Wake $1000 MIDWAY MODEL COMPANY Partial Kits 1030 Plying Quaker 04 Span Plan tort $3150 Companion Stripwood Kit--$3140 Combination Flying Quaker Kit Both items540 00 1037 Quaker Flash 07 Span Plan torI $1750 Companion Stripaood Kil--$2345 Combination Quaker Flash Kit Both items $3000 1037 Long Cabin 70 Span Plan Extra $1510 Plan--SI 00 Companion Stcspaood Kit--024 06 Combination Long Cabin Kit three--$4000 MIDWAY MODEL COMPANY Full Kilo 1039 Air Trails Sportster 50 1015 R/C $3190 1038 Powerhouse 50 Span N/C$3590 1040 Buzzard Bombshell 30 Span 020$1195 1040 Playboy Sr. 30 Span 020 engines$5205 1035 Miss America 30 Span 020 engines$1295 1040 Clipper MKII 30 Span 020 engines$1405 5040 New Ruler 31 Span 020 engines$1395 1040 Mercury Scientifics 30 Span 020 $1305 1941 Request 30 Span 020 engines $1295 SHIPPING AND HANDLING 50 Page CATALOGUE Lip $800 add 91100100 PP copy mill $801 $2900 add $221 sent free upon $2001 $0000 add $300 request order $0501 $7000 add $310 a y am over $7000 add 0400 PO Sax 3000 CA Addressees add 0% Tax Seal Beach Ca 90700 Send MOVisafttC 0-s Eap 714 8990223[Best CE COD--Exact Chg mornings recorder--I 00 Hdl Cash Only activates 0 rIngs CL Aerobatics/Paul Continued page 66 18000 rpm ground before launching Try 25 30% nitro fuel Cox 6-3 prop Fly 008 lines 38 45 ft long will need SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS LETS REPLA-TECI-4 1INTERNATIONAL CATALOGS $200 48500 MC KBNZIE HWy VIDA 0REGDN 87488 handle much smaller spacing somewhere neighborhood one-half can order custom fuel tank above-mentioned suppliers should 125 175 oz. depending upon com bination engine prop fuel line length little care should turn Out plane weighs 100 18 oz need some inspiration design may want obtain following airplane articles about Half-A Freedom Fighter jettype trike gear Richard Byron Flying Models April 1981 Half-A Mirage Lou Wolgast Flying Models August 1980 Foxy Lady pylon racer prototype Don Winfree Flying Models De cember 1979 Sunspot Chris Lella ModelAir plane News October 1977 Tercel Keith Trosfie Model Aviation September 1976 Gremlin Tom Dixon Model Builder May 1975 Pinto Dick Mathis Flying Models December 1972 may also want check over column devoted buildings Half-A Stunter ModelAviation March 1978 Probably fun event three off shoots Old Time Stunt really catching particularly East thanks John Miske Garden State Circle Burners IWhen writing advertisen mention rind about Model Aviation has lot talk contests around country about somehow incorporating PAMPA category system flying classes Nationals involves rules change thereby comes hard part will very difficult define divide fliers present honor system picking class using present scoring average works fine cases local level heat ex citement National Championships could some outlandish rhubarbs overjus should flying dont use scoring averages determine categories need use placing local contests neces sitates mountain paper work keep records Some have suggested three categories Nationals Expert Advanced Sportsman Expert would open anyone Advanced would limited have qualified Nationals within last 10 years Sports man would limited profile airplanes and/or fliers have never Nationals before No matter direction take will mean certain amount record keeping and/or paper work someone will have undertake maintain Ideas proposition welcome inform ation Stunt orPAMPA contact Wynn Paul J640MaywickDr Lexington KY 40504 CL Carrier/Perry Continued page 67 board flap slightly outboard setting hook deflected 300 down extended position Dave has accurate visual reference hook vertical avoid exceeding 600 nose-high limit order overcome nose-down pitching moment flaps model must balanced farther aft usual CL models tends make model less stable pitch sensitive elevator imputs tendency can partially overcome increasing tail area extending tail moment arm both Reducing elevator travel given amount 1 36 Model Aviation CURTISS P-40 CARD KIT emember Well Flew tauir R EXACT REPRODUCTION U150 1001 Al Musesm $10 aa SM Flite Ma4el Re eallie MI 48008 Oeqa Nastelga 005C handle deflection can aid maintaining com fortable high-speed stability Richard L Peny 416 Woodhill Dr Golds boro NC 27530 CL Speed/Hempel Continued page 69 formed entirely sheet aluminum material like D Speed entry have see models appreciate amount work time required build Don has exper imenting different head configurations discussed using small ID longer head dimension present 3-in head length Class fellows off usual fast pace Nick Sher Langhorne PA turning 17588mph Open Speed G D Hooke James Van Santturned 14593 mph 12539 mph respectively David Hooke turned 12547 mph capture first Junior Speed FAI Speed Sam Burke Cambridge Ont Canada member Canadian FAI Team taking first 14621 mph Ed Gifford Newfield NJ second 13315 mph Close behind Stewart Henderson Missis sauga Ont 13081 mph flight FAI Speed appears attracting fliers hope trend continues need modelers participate FAI speed Open Formula 40 record number entries total 10 Glenn Lee Batavia IL set pace 15458 mph flight 1st Close behind Carl Shaefer Glen Van Sant flights 14846mph 14712mph respectively Formula 40 fuel restriction specifies mixture 40% nitro 40% alcohol 20% oil has slowed speeds down some what Speed fliers indicated head configuration very important make engine perform low-nitro fuel Formula 40 really fun event fly engines powered F-40 models split between Supertigre X-40 K&B 65 engines Glenn Lee used K&B 65 Carl Shaefer used X-40 use glass props F-40 D Speed has really increased experience has mph advantage glass props over wood Team Race fliers tends prove using glass carbon-fiber props Open Speed rough Al Stegens Cleveland OH pushed open-faced TD up 12417 mph Close behind Nick Sher tuned pipe TD flight 12297 mph Sam Burke placed 3rd beautiful asymmetrical model flight 10723 mph Formula 21 Junior provisional event two entries Robin Shaw Clemmons NC turned 10413 mph flight 1st Sheldon Ybanez Roanoke VA turning 8786 mph 2nd have several request blank Cox cylinders chromed crankshafts information mail SASE P&G Metal Shop 301 North Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Solar Challenger/Cowley Continued page 75 FEATURES INCLUDE Space battery & meter panel Transmitter compartment Room gallon fuel MASTER AIRSCREW FLIGHTBOX KIT Master Airscrew Flight Box has features larger boxes compact handy arrangement parts cut imported mahogany plywood will take stain varnish paint finishes overall size 19Y2x9Wx 12 high $3495 dealer postpaid California add 6% Sales Tax Propeller storage Gravity closed small parts storage 7/8 aluminum handle Complete instructions & fasteners WINDSOR PROPELLER CO PO Box 112 Windsor CA 95492 LEISURE WIME EXTRAGraphics ~PresentsforyourHolidayPleasure VWITH FREE CARDS Hobby_Card EACH BOX *2OCARDS &ENV/BOX II LIST PRICE $1200 BOX II *ALL CARDS 5x 7 Y * FULL COLOR Special $995 Box 11 TV EDESCRIPTI NRICE/BC NFLGRC IRC_ C 735 R/C BIPLANE SKYWRITING HAPPY HOLIDAYS_______ __ •CO IDER & SANTA CHASING FREE FLIGHT ON MOTOR BIKE $995 S R IC 7501 R/C BOAT PULLING SANTA uN WATER SKIS I 5 NT OPRTINGRCCRAROUNDCH STM R C 6 XED BOX. 0 35 MAKE CHECK OR MONEY ORDER PAYABLE TO HOW TO ORDER ~FR BOX FOR POSTAGE HANDLING AND INSURANCE LEISURE 1JIME GraphIcsNY STATE ADD 7% TAX POST OFFICE BOX 108NY CITY ADD 8% TAX STATEN ISLAND NEW YORK 10306 No Cash Stamps Please_ RIC Free-Flight Assist Friendly Giant SUPER BUCCANEERpian Set se Win span 5 En inc. Original design dates1937$1795 wgt i s wlo radio 25 chef/C #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 tor Mailing Tube Send Brochure Details new designs & great thin9s come Send $100 refundable information 4 .u ru r 4in I2 r October1981 137 damaged shaded does pro duce its share power can degrade power entire string accounts part configuration Challenger
Edition: Model Aviation - 1981/10
Page Numbers: 67, 136, 137
Control S IC Navy Carrier Richard Perry THE ORIGINAL Carrier scoring system proposed change will voted September placed primary emphasis high-speed portion flight Because emphasis no alternative high speed longtime Thus top places went almost exclusively best engines current scoring system devised place emphasis low speed require balanced performance consistently high scores multipliers used ratio method lowspeed scoring achieve objective low speeds can reached stalling model about 15 mph possible achieve roughtly equivalent scores small light clean model capable about 18 mph slowor heavier, complex flapped model capable about 15 mph People tended adapt models flying styles suit personal philosophies regarding high-performance engines High-speed performance reached plateau high 80s low 90s plain-bearing con versions really good ST 35 engines became common Since engine line drag limiting high speed greater extent model weight wing flaps could added incurring significant high-speed penalty Flapped models became prominent winners circles major meets high speed limited engine perfor mance low speed limited wing stall about 15 mph logical avenue improve ment abandon aerodynamic flight low speed pursue exaggerated nose-high stalled configuraton engine providing malor portion lift type flying became prominent factor event 1976 Dayton Nats Dick Davis amazed spectators caused quite bit concern among Carrier fliers near-vertical prophanging rule later adopted would limit low-speed flight 600 nose-high attitude model used Dick Davis un flapped symmetrical airfoil configuration very well suited prop-hanging flight because propwash over wing produces no notice able forces model pitching force Martin AM-i Mauler well suiteu . Carrier events Class II model built Jerry West wing flaps two sections because dihedral joints wing panel due propwash force caused stabil izer elevator 600 rule however unflapped model cant slowed below about 13 mph adding flaps propwash over wing can made produce lift can slow model 8 12 mph range flaps addition producing lift also produce strong nose-down pitching moment varies engine thrust pitching moment can cause serious problems maintaining constant pitch attitude pacesetter solving prob lems has Dave Wallick 1980 Nats win Profile Carrier record attest success Daves models employ number techniques ensure adequate line tension controlability during low-speed flight extremely low speeds centrifugal force sufficient overcome weight lines Since engine providing lift thrust line offset outside circle engine can also provide additional line tension Five degrees offset appears about minimum Dave uses ailerons help keep outboard wing down during transition low speed outboard aileron raised bellcrank pushrods flaps lowered Adjustable devises flap aileron horns allow adjusting aileron throw neutral point relation flap As additional aid line tension outboard wing should weighted least three ouncesmore variable line sweep used Daves flaps operated pushrods tail hook Adjustable devises used too aid flight trimming Dave deflects Iit Jerry Wests Class Airabonita modeled alter experimental Bt XFL-1 attempt adapt Airacobra configuration carrier opera tions before Navy switched trike gear October1981 67 Class model Fairey Barracuda torpedo carrier flown Jim West chin-mounted radiator provides efficient cowling inverted engine nia u--u- igercas Dy iea rraver acnieves ex cellent low speed propwash over large portion flapped wing Ted responsible photos month APPROX 5 oz per revolution HAND CRANKED FOR SAFE RELIABLE USE SIX SHOOTER FUEL PUMP NOW AVAILABLE FOR GASOLINE & DIESEL FUEL EITHER VERSION $1095 THE ONLY PUMP AVAILABLE FOR USE WITH DIESEL FUEL SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0144 far West thanks WAM Doug Dahike Oshkosh WI primary mover Midwest OTS Old Time flown using Stunt pattern 195 1-52 AMA rules omitting appearance points bonus 20 points awarded use operating spark ignition system 1951-52 Stunt pattern includes starting takeoff level flight climb dive upright wingover inside outside round loops five inverted flight horizontal vertical overhead eights inside square loop landing Aircraft selection OTS limited available kit plan form prior December 31 1952 No modifications per mitted other structural changes strengthen model Any modifications opinion judges significantly change appearance and/or performance aircraft originally designed allowed can obtain latest up-to-date list kits magazine article plans etc qualify 015 John Miske 415 Clifton Blvd Clifton NJ 07013 telephone 201 472-2752 John also has plans available over 130 designs eligible Most OTS devotees use modern engine reliability often old faithfuls show up after spending half-hour getting started owner proceeds have good time flying old pattern HObbY Born OLD TIMER KITS Full Partial Kits P & W Semi-Kits--Rib Tip Former Ktts 1941 Playboy Jr 54 Span Plan Extra $1450 Plan--$2 50 companion Stripanod Kit--$13 12 Combination Playboy Jr abova itemaSSlO 00 1941 Playboy Sr 00 Span Plan Extra$1925 Plan--$3 00 Companion Stripwood Kil--$20 30 Combination Playboy Sr three items $4500 1939 zipper Comet 54 Span Plan Inci $3350 Companion Stripanod Kit--$1572 Combination zipper Both above ilems--$4500 1932 Dallaire Sportater 100 Span Plan ES $2600 Plan--$500 Companion Stripwood Ki-$3000 Combination Daltaire Kit three items$5000 1930 Powerhouse 04 Span Plan Extra$2100 Plan--S4 00 Companion Slripwood Kit--$17 70 Combination Powerhouse Kit sIt 3 above $3000 Other combinations available- 1930 Buccaneer$4000 1930 Clipper ME $3000 1939 Mercury $5500 1935 Miss America $5900 1040 Ranger $2700 1940 Sailplane $7000 1940 So Long $2000 1930 Trenton Terror $3000 Korda Wake $1000 MIDWAY MODEL COMPANY Partial Kits 1030 Plying Quaker 04 Span Plan tort $3150 Companion Stripwood Kit--$3140 Combination Flying Quaker Kit Both items540 00 1037 Quaker Flash 07 Span Plan torI $1750 Companion Stripaood Kil--$2345 Combination Quaker Flash Kit Both items $3000 1037 Long Cabin 70 Span Plan Extra $1510 Plan--SI 00 Companion Stcspaood Kit--024 06 Combination Long Cabin Kit three--$4000 MIDWAY MODEL COMPANY Full Kilo 1039 Air Trails Sportster 50 1015 R/C $3190 1038 Powerhouse 50 Span N/C$3590 1040 Buzzard Bombshell 30 Span 020$1195 1040 Playboy Sr. 30 Span 020 engines$5205 1035 Miss America 30 Span 020 engines$1295 1040 Clipper MKII 30 Span 020 engines$1405 5040 New Ruler 31 Span 020 engines$1395 1040 Mercury Scientifics 30 Span 020 $1305 1941 Request 30 Span 020 engines $1295 SHIPPING AND HANDLING 50 Page CATALOGUE Lip $800 add 91100100 PP copy mill $801 $2900 add $221 sent free upon $2001 $0000 add $300 request order $0501 $7000 add $310 a y am over $7000 add 0400 PO Sax 3000 CA Addressees add 0% Tax Seal Beach Ca 90700 Send MOVisafttC 0-s Eap 714 8990223[Best CE COD--Exact Chg mornings recorder--I 00 Hdl Cash Only activates 0 rIngs CL Aerobatics/Paul Continued page 66 18000 rpm ground before launching Try 25 30% nitro fuel Cox 6-3 prop Fly 008 lines 38 45 ft long will need SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS LETS REPLA-TECI-4 1INTERNATIONAL CATALOGS $200 48500 MC KBNZIE HWy VIDA 0REGDN 87488 handle much smaller spacing somewhere neighborhood one-half can order custom fuel tank above-mentioned suppliers should 125 175 oz. depending upon com bination engine prop fuel line length little care should turn Out plane weighs 100 18 oz need some inspiration design may want obtain following airplane articles about Half-A Freedom Fighter jettype trike gear Richard Byron Flying Models April 1981 Half-A Mirage Lou Wolgast Flying Models August 1980 Foxy Lady pylon racer prototype Don Winfree Flying Models De cember 1979 Sunspot Chris Lella ModelAir plane News October 1977 Tercel Keith Trosfie Model Aviation September 1976 Gremlin Tom Dixon Model Builder May 1975 Pinto Dick Mathis Flying Models December 1972 may also want check over column devoted buildings Half-A Stunter ModelAviation March 1978 Probably fun event three off shoots Old Time Stunt really catching particularly East thanks John Miske Garden State Circle Burners IWhen writing advertisen mention rind about Model Aviation has lot talk contests around country about somehow incorporating PAMPA category system flying classes Nationals involves rules change thereby comes hard part will very difficult define divide fliers present honor system picking class using present scoring average works fine cases local level heat ex citement National Championships could some outlandish rhubarbs overjus should flying dont use scoring averages determine categories need use placing local contests neces sitates mountain paper work keep records Some have suggested three categories Nationals Expert Advanced Sportsman Expert would open anyone Advanced would limited have qualified Nationals within last 10 years Sports man would limited profile airplanes and/or fliers have never Nationals before No matter direction take will mean certain amount record keeping and/or paper work someone will have undertake maintain Ideas proposition welcome inform ation Stunt orPAMPA contact Wynn Paul J640MaywickDr Lexington KY 40504 CL Carrier/Perry Continued page 67 board flap slightly outboard setting hook deflected 300 down extended position Dave has accurate visual reference hook vertical avoid exceeding 600 nose-high limit order overcome nose-down pitching moment flaps model must balanced farther aft usual CL models tends make model less stable pitch sensitive elevator imputs tendency can partially overcome increasing tail area extending tail moment arm both Reducing elevator travel given amount 1 36 Model Aviation CURTISS P-40 CARD KIT emember Well Flew tauir R EXACT REPRODUCTION U150 1001 Al Musesm $10 aa SM Flite Ma4el Re eallie MI 48008 Oeqa Nastelga 005C handle deflection can aid maintaining com fortable high-speed stability Richard L Peny 416 Woodhill Dr Golds boro NC 27530 CL Speed/Hempel Continued page 69 formed entirely sheet aluminum material like D Speed entry have see models appreciate amount work time required build Don has exper imenting different head configurations discussed using small ID longer head dimension present 3-in head length Class fellows off usual fast pace Nick Sher Langhorne PA turning 17588mph Open Speed G D Hooke James Van Santturned 14593 mph 12539 mph respectively David Hooke turned 12547 mph capture first Junior Speed FAI Speed Sam Burke Cambridge Ont Canada member Canadian FAI Team taking first 14621 mph Ed Gifford Newfield NJ second 13315 mph Close behind Stewart Henderson Missis sauga Ont 13081 mph flight FAI Speed appears attracting fliers hope trend continues need modelers participate FAI speed Open Formula 40 record number entries total 10 Glenn Lee Batavia IL set pace 15458 mph flight 1st Close behind Carl Shaefer Glen Van Sant flights 14846mph 14712mph respectively Formula 40 fuel restriction specifies mixture 40% nitro 40% alcohol 20% oil has slowed speeds down some what Speed fliers indicated head configuration very important make engine perform low-nitro fuel Formula 40 really fun event fly engines powered F-40 models split between Supertigre X-40 K&B 65 engines Glenn Lee used K&B 65 Carl Shaefer used X-40 use glass props F-40 D Speed has really increased experience has mph advantage glass props over wood Team Race fliers tends prove using glass carbon-fiber props Open Speed rough Al Stegens Cleveland OH pushed open-faced TD up 12417 mph Close behind Nick Sher tuned pipe TD flight 12297 mph Sam Burke placed 3rd beautiful asymmetrical model flight 10723 mph Formula 21 Junior provisional event two entries Robin Shaw Clemmons NC turned 10413 mph flight 1st Sheldon Ybanez Roanoke VA turning 8786 mph 2nd have several request blank Cox cylinders chromed crankshafts information mail SASE P&G Metal Shop 301 North Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Solar Challenger/Cowley Continued page 75 FEATURES INCLUDE Space battery & meter panel Transmitter compartment Room gallon fuel MASTER AIRSCREW FLIGHTBOX KIT Master Airscrew Flight Box has features larger boxes compact handy arrangement parts cut imported mahogany plywood will take stain varnish paint finishes overall size 19Y2x9Wx 12 high $3495 dealer postpaid California add 6% Sales Tax Propeller storage Gravity closed small parts storage 7/8 aluminum handle Complete instructions & fasteners WINDSOR PROPELLER CO PO Box 112 Windsor CA 95492 LEISURE WIME EXTRAGraphics ~PresentsforyourHolidayPleasure VWITH FREE CARDS Hobby_Card EACH BOX *2OCARDS &ENV/BOX II LIST PRICE $1200 BOX II *ALL CARDS 5x 7 Y * FULL COLOR Special $995 Box 11 TV EDESCRIPTI NRICE/BC NFLGRC IRC_ C 735 R/C BIPLANE SKYWRITING HAPPY HOLIDAYS_______ __ •CO IDER & SANTA CHASING FREE FLIGHT ON MOTOR BIKE $995 S R IC 7501 R/C BOAT PULLING SANTA uN WATER SKIS I 5 NT OPRTINGRCCRAROUNDCH STM R C 6 XED BOX. 0 35 MAKE CHECK OR MONEY ORDER PAYABLE TO HOW TO ORDER ~FR BOX FOR POSTAGE HANDLING AND INSURANCE LEISURE 1JIME GraphIcsNY STATE ADD 7% TAX POST OFFICE BOX 108NY CITY ADD 8% TAX STATEN ISLAND NEW YORK 10306 No Cash Stamps Please_ RIC Free-Flight Assist Friendly Giant SUPER BUCCANEERpian Set se Win span 5 En inc. Original design dates1937$1795 wgt i s wlo radio 25 chef/C #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 tor Mailing Tube Send Brochure Details new designs & great thin9s come Send $100 refundable information 4 .u ru r 4in I2 r October1981 137 damaged shaded does pro duce its share power can degrade power entire string accounts part configuration Challenger
Edition: Model Aviation - 1981/10
Page Numbers: 67, 136, 137
Control S IC Navy Carrier Richard Perry THE ORIGINAL Carrier scoring system proposed change will voted September placed primary emphasis high-speed portion flight Because emphasis no alternative high speed longtime Thus top places went almost exclusively best engines current scoring system devised place emphasis low speed require balanced performance consistently high scores multipliers used ratio method lowspeed scoring achieve objective low speeds can reached stalling model about 15 mph possible achieve roughtly equivalent scores small light clean model capable about 18 mph slowor heavier, complex flapped model capable about 15 mph People tended adapt models flying styles suit personal philosophies regarding high-performance engines High-speed performance reached plateau high 80s low 90s plain-bearing con versions really good ST 35 engines became common Since engine line drag limiting high speed greater extent model weight wing flaps could added incurring significant high-speed penalty Flapped models became prominent winners circles major meets high speed limited engine perfor mance low speed limited wing stall about 15 mph logical avenue improve ment abandon aerodynamic flight low speed pursue exaggerated nose-high stalled configuraton engine providing malor portion lift type flying became prominent factor event 1976 Dayton Nats Dick Davis amazed spectators caused quite bit concern among Carrier fliers near-vertical prophanging rule later adopted would limit low-speed flight 600 nose-high attitude model used Dick Davis un flapped symmetrical airfoil configuration very well suited prop-hanging flight because propwash over wing produces no notice able forces model pitching force Martin AM-i Mauler well suiteu . Carrier events Class II model built Jerry West wing flaps two sections because dihedral joints wing panel due propwash force caused stabil izer elevator 600 rule however unflapped model cant slowed below about 13 mph adding flaps propwash over wing can made produce lift can slow model 8 12 mph range flaps addition producing lift also produce strong nose-down pitching moment varies engine thrust pitching moment can cause serious problems maintaining constant pitch attitude pacesetter solving prob lems has Dave Wallick 1980 Nats win Profile Carrier record attest success Daves models employ number techniques ensure adequate line tension controlability during low-speed flight extremely low speeds centrifugal force sufficient overcome weight lines Since engine providing lift thrust line offset outside circle engine can also provide additional line tension Five degrees offset appears about minimum Dave uses ailerons help keep outboard wing down during transition low speed outboard aileron raised bellcrank pushrods flaps lowered Adjustable devises flap aileron horns allow adjusting aileron throw neutral point relation flap As additional aid line tension outboard wing should weighted least three ouncesmore variable line sweep used Daves flaps operated pushrods tail hook Adjustable devises used too aid flight trimming Dave deflects Iit Jerry Wests Class Airabonita modeled alter experimental Bt XFL-1 attempt adapt Airacobra configuration carrier opera tions before Navy switched trike gear October1981 67 Class model Fairey Barracuda torpedo carrier flown Jim West chin-mounted radiator provides efficient cowling inverted engine nia u--u- igercas Dy iea rraver acnieves ex cellent low speed propwash over large portion flapped wing Ted responsible photos month APPROX 5 oz per revolution HAND CRANKED FOR SAFE RELIABLE USE SIX SHOOTER FUEL PUMP NOW AVAILABLE FOR GASOLINE & DIESEL FUEL EITHER VERSION $1095 THE ONLY PUMP AVAILABLE FOR USE WITH DIESEL FUEL SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 8534 HUDDLESTON CINCINNATI OHIO 45236 AREA CODE 513 791 0144 far West thanks WAM Doug Dahike Oshkosh WI primary mover Midwest OTS Old Time flown using Stunt pattern 195 1-52 AMA rules omitting appearance points bonus 20 points awarded use operating spark ignition system 1951-52 Stunt pattern includes starting takeoff level flight climb dive upright wingover inside outside round loops five inverted flight horizontal vertical overhead eights inside square loop landing Aircraft selection OTS limited available kit plan form prior December 31 1952 No modifications per mitted other structural changes strengthen model Any modifications opinion judges significantly change appearance and/or performance aircraft originally designed allowed can obtain latest up-to-date list kits magazine article plans etc qualify 015 John Miske 415 Clifton Blvd Clifton NJ 07013 telephone 201 472-2752 John also has plans available over 130 designs eligible Most OTS devotees use modern engine reliability often old faithfuls show up after spending half-hour getting started owner proceeds have good time flying old pattern HObbY Born OLD TIMER KITS Full Partial Kits P & W Semi-Kits--Rib Tip Former Ktts 1941 Playboy Jr 54 Span Plan Extra $1450 Plan--$2 50 companion Stripanod Kit--$13 12 Combination Playboy Jr abova itemaSSlO 00 1941 Playboy Sr 00 Span Plan Extra$1925 Plan--$3 00 Companion Stripwood Kil--$20 30 Combination Playboy Sr three items $4500 1939 zipper Comet 54 Span Plan Inci $3350 Companion Stripanod Kit--$1572 Combination zipper Both above ilems--$4500 1932 Dallaire Sportater 100 Span Plan ES $2600 Plan--$500 Companion Stripwood Ki-$3000 Combination Daltaire Kit three items$5000 1930 Powerhouse 04 Span Plan Extra$2100 Plan--S4 00 Companion Slripwood Kit--$17 70 Combination Powerhouse Kit sIt 3 above $3000 Other combinations available- 1930 Buccaneer$4000 1930 Clipper ME $3000 1939 Mercury $5500 1935 Miss America $5900 1040 Ranger $2700 1940 Sailplane $7000 1940 So Long $2000 1930 Trenton Terror $3000 Korda Wake $1000 MIDWAY MODEL COMPANY Partial Kits 1030 Plying Quaker 04 Span Plan tort $3150 Companion Stripwood Kit--$3140 Combination Flying Quaker Kit Both items540 00 1037 Quaker Flash 07 Span Plan torI $1750 Companion Stripaood Kil--$2345 Combination Quaker Flash Kit Both items $3000 1037 Long Cabin 70 Span Plan Extra $1510 Plan--SI 00 Companion Stcspaood Kit--024 06 Combination Long Cabin Kit three--$4000 MIDWAY MODEL COMPANY Full Kilo 1039 Air Trails Sportster 50 1015 R/C $3190 1038 Powerhouse 50 Span N/C$3590 1040 Buzzard Bombshell 30 Span 020$1195 1040 Playboy Sr. 30 Span 020 engines$5205 1035 Miss America 30 Span 020 engines$1295 1040 Clipper MKII 30 Span 020 engines$1405 5040 New Ruler 31 Span 020 engines$1395 1040 Mercury Scientifics 30 Span 020 $1305 1941 Request 30 Span 020 engines $1295 SHIPPING AND HANDLING 50 Page CATALOGUE Lip $800 add 91100100 PP copy mill $801 $2900 add $221 sent free upon $2001 $0000 add $300 request order $0501 $7000 add $310 a y am over $7000 add 0400 PO Sax 3000 CA Addressees add 0% Tax Seal Beach Ca 90700 Send MOVisafttC 0-s Eap 714 8990223[Best CE COD--Exact Chg mornings recorder--I 00 Hdl Cash Only activates 0 rIngs CL Aerobatics/Paul Continued page 66 18000 rpm ground before launching Try 25 30% nitro fuel Cox 6-3 prop Fly 008 lines 38 45 ft long will need SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS LETS REPLA-TECI-4 1INTERNATIONAL CATALOGS $200 48500 MC KBNZIE HWy VIDA 0REGDN 87488 handle much smaller spacing somewhere neighborhood one-half can order custom fuel tank above-mentioned suppliers should 125 175 oz. depending upon com bination engine prop fuel line length little care should turn Out plane weighs 100 18 oz need some inspiration design may want obtain following airplane articles about Half-A Freedom Fighter jettype trike gear Richard Byron Flying Models April 1981 Half-A Mirage Lou Wolgast Flying Models August 1980 Foxy Lady pylon racer prototype Don Winfree Flying Models De cember 1979 Sunspot Chris Lella ModelAir plane News October 1977 Tercel Keith Trosfie Model Aviation September 1976 Gremlin Tom Dixon Model Builder May 1975 Pinto Dick Mathis Flying Models December 1972 may also want check over column devoted buildings Half-A Stunter ModelAviation March 1978 Probably fun event three off shoots Old Time Stunt really catching particularly East thanks John Miske Garden State Circle Burners IWhen writing advertisen mention rind about Model Aviation has lot talk contests around country about somehow incorporating PAMPA category system flying classes Nationals involves rules change thereby comes hard part will very difficult define divide fliers present honor system picking class using present scoring average works fine cases local level heat ex citement National Championships could some outlandish rhubarbs overjus should flying dont use scoring averages determine categories need use placing local contests neces sitates mountain paper work keep records Some have suggested three categories Nationals Expert Advanced Sportsman Expert would open anyone Advanced would limited have qualified Nationals within last 10 years Sports man would limited profile airplanes and/or fliers have never Nationals before No matter direction take will mean certain amount record keeping and/or paper work someone will have undertake maintain Ideas proposition welcome inform ation Stunt orPAMPA contact Wynn Paul J640MaywickDr Lexington KY 40504 CL Carrier/Perry Continued page 67 board flap slightly outboard setting hook deflected 300 down extended position Dave has accurate visual reference hook vertical avoid exceeding 600 nose-high limit order overcome nose-down pitching moment flaps model must balanced farther aft usual CL models tends make model less stable pitch sensitive elevator imputs tendency can partially overcome increasing tail area extending tail moment arm both Reducing elevator travel given amount 1 36 Model Aviation CURTISS P-40 CARD KIT emember Well Flew tauir R EXACT REPRODUCTION U150 1001 Al Musesm $10 aa SM Flite Ma4el Re eallie MI 48008 Oeqa Nastelga 005C handle deflection can aid maintaining com fortable high-speed stability Richard L Peny 416 Woodhill Dr Golds boro NC 27530 CL Speed/Hempel Continued page 69 formed entirely sheet aluminum material like D Speed entry have see models appreciate amount work time required build Don has exper imenting different head configurations discussed using small ID longer head dimension present 3-in head length Class fellows off usual fast pace Nick Sher Langhorne PA turning 17588mph Open Speed G D Hooke James Van Santturned 14593 mph 12539 mph respectively David Hooke turned 12547 mph capture first Junior Speed FAI Speed Sam Burke Cambridge Ont Canada member Canadian FAI Team taking first 14621 mph Ed Gifford Newfield NJ second 13315 mph Close behind Stewart Henderson Missis sauga Ont 13081 mph flight FAI Speed appears attracting fliers hope trend continues need modelers participate FAI speed Open Formula 40 record number entries total 10 Glenn Lee Batavia IL set pace 15458 mph flight 1st Close behind Carl Shaefer Glen Van Sant flights 14846mph 14712mph respectively Formula 40 fuel restriction specifies mixture 40% nitro 40% alcohol 20% oil has slowed speeds down some what Speed fliers indicated head configuration very important make engine perform low-nitro fuel Formula 40 really fun event fly engines powered F-40 models split between Supertigre X-40 K&B 65 engines Glenn Lee used K&B 65 Carl Shaefer used X-40 use glass props F-40 D Speed has really increased experience has mph advantage glass props over wood Team Race fliers tends prove using glass carbon-fiber props Open Speed rough Al Stegens Cleveland OH pushed open-faced TD up 12417 mph Close behind Nick Sher tuned pipe TD flight 12297 mph Sam Burke placed 3rd beautiful asymmetrical model flight 10723 mph Formula 21 Junior provisional event two entries Robin Shaw Clemmons NC turned 10413 mph flight 1st Sheldon Ybanez Roanoke VA turning 8786 mph 2nd have several request blank Cox cylinders chromed crankshafts information mail SASE P&G Metal Shop 301 North Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Solar Challenger/Cowley Continued page 75 FEATURES INCLUDE Space battery & meter panel Transmitter compartment Room gallon fuel MASTER AIRSCREW FLIGHTBOX KIT Master Airscrew Flight Box has features larger boxes compact handy arrangement parts cut imported mahogany plywood will take stain varnish paint finishes overall size 19Y2x9Wx 12 high $3495 dealer postpaid California add 6% Sales Tax Propeller storage Gravity closed small parts storage 7/8 aluminum handle Complete instructions & fasteners WINDSOR PROPELLER CO PO Box 112 Windsor CA 95492 LEISURE WIME EXTRAGraphics ~PresentsforyourHolidayPleasure VWITH FREE CARDS Hobby_Card EACH BOX *2OCARDS &ENV/BOX II LIST PRICE $1200 BOX II *ALL CARDS 5x 7 Y * FULL COLOR Special $995 Box 11 TV EDESCRIPTI NRICE/BC NFLGRC IRC_ C 735 R/C BIPLANE SKYWRITING HAPPY HOLIDAYS_______ __ •CO IDER & SANTA CHASING FREE FLIGHT ON MOTOR BIKE $995 S R IC 7501 R/C BOAT PULLING SANTA uN WATER SKIS I 5 NT OPRTINGRCCRAROUNDCH STM R C 6 XED BOX. 0 35 MAKE CHECK OR MONEY ORDER PAYABLE TO HOW TO ORDER ~FR BOX FOR POSTAGE HANDLING AND INSURANCE LEISURE 1JIME GraphIcsNY STATE ADD 7% TAX POST OFFICE BOX 108NY CITY ADD 8% TAX STATEN ISLAND NEW YORK 10306 No Cash Stamps Please_ RIC Free-Flight Assist Friendly Giant SUPER BUCCANEERpian Set se Win span 5 En inc. Original design dates1937$1795 wgt i s wlo radio 25 chef/C #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 tor Mailing Tube Send Brochure Details new designs & great thin9s come Send $100 refundable information 4 .u ru r 4in I2 r October1981 137 damaged shaded does pro duce its share power can degrade power entire string accounts part configuration Challenger