Bill Effingr * says quarter-scale Curtiss Hawk P-i great companion Falcon first deluxe scale model kitted AMAL late 1920s P-i true classic air plane both ground air ddaddy Hawk designs followed Plan N Pattern complete instructions bill materials Curtiss Hawk P-i 88 length 94Yu wingspan 13- 23 engines 2268 sq inwing area 3-4 channel 8/CRCQSi 4$2495 Quarter Scale Curtiss Falcon For4channelfllC RCQS-13$2995 3160 sq wing ares Piper Cub J-3 1/3 Scale _______ 11 ft 9 wing span 2800 sq wing ares 90 length 4 channel 8/C 20- 30 cid engines RC3S-2$2995 Cessna Scale 81 wing span 900 sq wing ar 20 80 engines 3 -4 channel RIC8C6S-1$1495 116 Scale Puss Moth DH 80 Navy F4D-1 Skyray Ducted Fan 32Yzwingspan 3-5 channel 8/C length 1scale -_ -----.. 7 -O -1 $1995 Bill Effinger founding member AMA AMA-AFFS Hall Famer Prices complete plans sub-assembly detailed parts lists Add $200 MaIling Tube SEND FOR BROCHURE ahead crowd New brochure showing new Plan sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Dragonfly P-30 article April 1988 issue con tains small important error needs corrected help Drag onfly builders avoid misleading other P-30 fliersor Coupe fliers also use 10-gram motors listed weight 10-gram motor A6-in width being about 76 long Right after magazine appeared couple callers informed length wrong check friends industrial gram scale accurate two decimal places confirms lubricated Y16-in rubber 100 grams 91 long Apparently inexpensive gram scale led astray bad news mistake made good news 90-in-long motor instead 76 pretensioned corded fit 19 distance between hooks will deliver 18% increase duration putting model around 2-mm mark Dave Platt Plantation FL April article Model Aviation Dragonfly P-30 Dave Platt good need good article Free Flight activities would like point out lack snuffer tube plans current emphasis safety should important factor Mr Platt tended competitive airplane such snuffer tube required compe tition Bonny Jenkins Chairperson Free Flight Contest Board Memphis TN FIN ALUMINUM SNUFFER TUBE SUB Bonny right of course Designer Platt Continued page 10 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUS TOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KL017 OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HOURS 6 Model Aviation etjers o rh dito letters will carefully consIdered general Interest used Send Model AviatIon 1810 Samuel Morse Dr Reston VA 22090 OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS ! CALL FOR IMMEDIATE SHIPMENT ON WSA OR MASTERCARD u sq ji wir~ ae5 r-u 40 engines 3 channel 8/C suggested RC6S-$1495 BIG GLOW FUEL MANUCIuREi WITH THE PUREST FINEST QUALIT4 * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION PSi ROKI- FREIGHT COLLECT 55 GAL DRUM $19695 $26495 $32995 $38995 $52495 $66995 U PINTQUARTGALLON $315$450$1075 $365$525$1275 $415$550$1475 $430$635$1675 $515$795$2195 $595$925$2695 SIGPREMIUM 4-ROKE iTh $1425I$29995 $1625I$36495 THE CHOICi- over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure I Nitromethane get full measure youve paid based honest percentage-of-volume I method percentage weight SIG fuels contam 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil U for maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price take word try some judge UyourselfPrcoo bjed donge whot no~e See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 44 FREE SHIPPING ON ORDERS OVER $1500 0% Nitromethane 5% Nitromethane 10% Nitromethane 15% Nitromethane 25% Nitromethane 35% Nitromethane 10% Nitromethane 15% Nitromethane says alwninwn snuffer tube installed rudder cutout just above stabilizer per portion revised plan shown Box Floats Work Just note some pictures may interest Yes vintage old timer like can learn fly RC Helicopters No couldnt find custom floats IMP Shuttle made ugly boxes just see floats would work did What blast taxi fly off water am flying new high mast Shuttle must say great improvement 1200 mAh pack handles Futaba radio five servos gyro very nicely OS 32 engine adequate float flying model Norman Hanson Hilton Head Isle SC 1hV Batteries read great interest letter Lee Hoffman April 1988 issue regard ing lack availability 1 A-volt bat teries Id like pass idea Ive used years before going rechargeable Ni-Cd starter Simply buy 6V dry cell available almost anywhere about $3 remove case Inside four 1 AV cells can used individually re wired parallel ignition battery can last nil season Actually prefer Ni-Cd because doesnt go flat warning Gene Zdenek Berwyn IL Calhoun Smith read April 1988 issue great sadness refer Sportwagon originally designed Cal Smith opinion Cal finest human being have ever met paths crossed 1955 Daily Mirror Air Show Long Island Grumman Field both entered Navy Carrier event won Continued page 126 10 Model Aviation Al Radio South Batteries 500 ma Pack 48V1100 Futabaconn1350 800 ma Pack 48V1950 Futaba conn2275 1200 ma Pack 48V2100 Futaba conn2425 TX batt Futaba G-Series orPCM2450 RADIO SOUTH AUTHORIZED SERVICE CENTER Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Featuring fast service bybO__ qualified people the- latest equipment inciuding SPECTRUMANALYZER-- Frequency Conversions Kraft$40 FutabaAM$30 Futaba FM$40 ProLine/Ace$30 repair $10 Mode Change$35 Repair Heti Sets Gyros Orders COD VISA MC Ship Charges Only Prices subject change notice OPEN 8-5 CST904 478-6745 43 West Nine Mile Rd Pensacola FL 32514 Letters Editor Continued page 10 came home night sent away set plans Douglas Skyraider Cal used event told wanted win plane what needed forget now sold plans followed Cals advice following year met again oaly time also Skyraider just like took look plane gave big handshake withdrew plane event helped allowing win day happiest kid New York Cityonly because Cal kind guy article about him fantas tic remember him well could find other set plans would build another Skyraider Just him Jim Meilde Peekskill NY WRAM Show/Myers Continued page 14 narrow-band line aircraft Vanguard AM system being dropped 5 The high-quality Airtronics CS-2P FM XL-2P AM pistol-grip wheelsteered radio cars boats 27 75 MHz 6 The entry-level two-stick Vector VT 2R reversing switches VT-2S no switches dry-battery Ni-Cd AM sys tems 7 The entry-level Vector VT-2P pistol grip AM system dry batteries Ni-Cds 27 75 MHz cars boats Just down hall Cal Orr display ing Custom Electronics line Cal has al ready received FCC Type Acceptance 72/53 MHz redundant radio module Futaba G-series transmitters await ing approval 72/72 MHz version Airtronics Module series described Cals redundant radio systems Ra dio Technique column August 1986 July 1987 Model Aviation module will permit fly airplane two RC channels time affording greater se curity interference in-flight failure such components battery packs switch harnesses receivers form insurance can decide whether need based esti mated cost next crash Also shown external throttle servo controller permits make engine adjust ments operating RC transmitter Bill Charlie Cannon present Cannon narrow-band micro sys tems including miniature narrow-band single-conversion AM receiver shown last year tested orange-box AM transmitters show sidebands down lower 60 dB Hundreds have sold RC38-RC56 per formance has good available year RCl6-RC34 well Bill has congratulated persistent pursuit smallest lightest RC system tiny Cannon radios show good performance high reliability people will speak ill have never owned Futaba JR did attend show cant comment new offerings rest show usual bee hive looking buying selling fewer video presentations year seemed Byron Originals Inc RC Video Magazine usual crowd builders also saw videos boats cars planes Saturday crush made wonder about fire laws everyone good mood tolerable didnt see acting nasty usual long slow lines buy food drink Patience good humor rule day Safety/Preston Continued page 22 few RC systems adversely affected gets attention cant say radio manufacturer model number will exhibit problem because way arrange servo battery leads has strong effect Im quite sure advised Ralph rear range wires try again before sending system back service department re pairs kind problem can drive service men crazy because hard replicate dont accidentally get servo wires bad arrangement cant demonstrate problem everyone concerned left unsatis fied message clear Rearrange rats nest fuselage before blaming radios de signer builder Thank George Before leaving subject word caution about rearranging rats nests fuselages first Scale model entered sanc tioned contest Piper J-3 Cub Sig kit won its first contest building model made attempt prevent ing tail-heavy As result CG thing little too far forward flew way number months came con test Id have won fact threeturn spin downgraded because first turn wasnt really spinning next day took model work lunchtime flying session time worked Department Transportation building formerly occupied Erco builders Ercoupe lightplane Riverdale MD 1500-ft abandoned macadam run way outside office door enjoyed job lo cation Anyway particular day decided re arrange rats nest wiring fuselage before first flight see could move CG slightly rearward order achieve positive spin entry So reached fuse lage stuffed battery pack rearward under servo tray Takeoff nonnal first few min utes flight warning 126 Model Aviation
Edition: Model Aviation - 1988/06
Page Numbers: 6, 10, 126
Bill Effingr * says quarter-scale Curtiss Hawk P-i great companion Falcon first deluxe scale model kitted AMAL late 1920s P-i true classic air plane both ground air ddaddy Hawk designs followed Plan N Pattern complete instructions bill materials Curtiss Hawk P-i 88 length 94Yu wingspan 13- 23 engines 2268 sq inwing area 3-4 channel 8/CRCQSi 4$2495 Quarter Scale Curtiss Falcon For4channelfllC RCQS-13$2995 3160 sq wing ares Piper Cub J-3 1/3 Scale _______ 11 ft 9 wing span 2800 sq wing ares 90 length 4 channel 8/C 20- 30 cid engines RC3S-2$2995 Cessna Scale 81 wing span 900 sq wing ar 20 80 engines 3 -4 channel RIC8C6S-1$1495 116 Scale Puss Moth DH 80 Navy F4D-1 Skyray Ducted Fan 32Yzwingspan 3-5 channel 8/C length 1scale -_ -----.. 7 -O -1 $1995 Bill Effinger founding member AMA AMA-AFFS Hall Famer Prices complete plans sub-assembly detailed parts lists Add $200 MaIling Tube SEND FOR BROCHURE ahead crowd New brochure showing new Plan sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Dragonfly P-30 article April 1988 issue con tains small important error needs corrected help Drag onfly builders avoid misleading other P-30 fliersor Coupe fliers also use 10-gram motors listed weight 10-gram motor A6-in width being about 76 long Right after magazine appeared couple callers informed length wrong check friends industrial gram scale accurate two decimal places confirms lubricated Y16-in rubber 100 grams 91 long Apparently inexpensive gram scale led astray bad news mistake made good news 90-in-long motor instead 76 pretensioned corded fit 19 distance between hooks will deliver 18% increase duration putting model around 2-mm mark Dave Platt Plantation FL April article Model Aviation Dragonfly P-30 Dave Platt good need good article Free Flight activities would like point out lack snuffer tube plans current emphasis safety should important factor Mr Platt tended competitive airplane such snuffer tube required compe tition Bonny Jenkins Chairperson Free Flight Contest Board Memphis TN FIN ALUMINUM SNUFFER TUBE SUB Bonny right of course Designer Platt Continued page 10 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUS TOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KL017 OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HOURS 6 Model Aviation etjers o rh dito letters will carefully consIdered general Interest used Send Model AviatIon 1810 Samuel Morse Dr Reston VA 22090 OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS ! CALL FOR IMMEDIATE SHIPMENT ON WSA OR MASTERCARD u sq ji wir~ ae5 r-u 40 engines 3 channel 8/C suggested RC6S-$1495 BIG GLOW FUEL MANUCIuREi WITH THE PUREST FINEST QUALIT4 * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION PSi ROKI- FREIGHT COLLECT 55 GAL DRUM $19695 $26495 $32995 $38995 $52495 $66995 U PINTQUARTGALLON $315$450$1075 $365$525$1275 $415$550$1475 $430$635$1675 $515$795$2195 $595$925$2695 SIGPREMIUM 4-ROKE iTh $1425I$29995 $1625I$36495 THE CHOICi- over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure I Nitromethane get full measure youve paid based honest percentage-of-volume I method percentage weight SIG fuels contam 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil U for maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price take word try some judge UyourselfPrcoo bjed donge whot no~e See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 44 FREE SHIPPING ON ORDERS OVER $1500 0% Nitromethane 5% Nitromethane 10% Nitromethane 15% Nitromethane 25% Nitromethane 35% Nitromethane 10% Nitromethane 15% Nitromethane says alwninwn snuffer tube installed rudder cutout just above stabilizer per portion revised plan shown Box Floats Work Just note some pictures may interest Yes vintage old timer like can learn fly RC Helicopters No couldnt find custom floats IMP Shuttle made ugly boxes just see floats would work did What blast taxi fly off water am flying new high mast Shuttle must say great improvement 1200 mAh pack handles Futaba radio five servos gyro very nicely OS 32 engine adequate float flying model Norman Hanson Hilton Head Isle SC 1hV Batteries read great interest letter Lee Hoffman April 1988 issue regard ing lack availability 1 A-volt bat teries Id like pass idea Ive used years before going rechargeable Ni-Cd starter Simply buy 6V dry cell available almost anywhere about $3 remove case Inside four 1 AV cells can used individually re wired parallel ignition battery can last nil season Actually prefer Ni-Cd because doesnt go flat warning Gene Zdenek Berwyn IL Calhoun Smith read April 1988 issue great sadness refer Sportwagon originally designed Cal Smith opinion Cal finest human being have ever met paths crossed 1955 Daily Mirror Air Show Long Island Grumman Field both entered Navy Carrier event won Continued page 126 10 Model Aviation Al Radio South Batteries 500 ma Pack 48V1100 Futabaconn1350 800 ma Pack 48V1950 Futaba conn2275 1200 ma Pack 48V2100 Futaba conn2425 TX batt Futaba G-Series orPCM2450 RADIO SOUTH AUTHORIZED SERVICE CENTER Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Featuring fast service bybO__ qualified people the- latest equipment inciuding SPECTRUMANALYZER-- Frequency Conversions Kraft$40 FutabaAM$30 Futaba FM$40 ProLine/Ace$30 repair $10 Mode Change$35 Repair Heti Sets Gyros Orders COD VISA MC Ship Charges Only Prices subject change notice OPEN 8-5 CST904 478-6745 43 West Nine Mile Rd Pensacola FL 32514 Letters Editor Continued page 10 came home night sent away set plans Douglas Skyraider Cal used event told wanted win plane what needed forget now sold plans followed Cals advice following year met again oaly time also Skyraider just like took look plane gave big handshake withdrew plane event helped allowing win day happiest kid New York Cityonly because Cal kind guy article about him fantas tic remember him well could find other set plans would build another Skyraider Just him Jim Meilde Peekskill NY WRAM Show/Myers Continued page 14 narrow-band line aircraft Vanguard AM system being dropped 5 The high-quality Airtronics CS-2P FM XL-2P AM pistol-grip wheelsteered radio cars boats 27 75 MHz 6 The entry-level two-stick Vector VT 2R reversing switches VT-2S no switches dry-battery Ni-Cd AM sys tems 7 The entry-level Vector VT-2P pistol grip AM system dry batteries Ni-Cds 27 75 MHz cars boats Just down hall Cal Orr display ing Custom Electronics line Cal has al ready received FCC Type Acceptance 72/53 MHz redundant radio module Futaba G-series transmitters await ing approval 72/72 MHz version Airtronics Module series described Cals redundant radio systems Ra dio Technique column August 1986 July 1987 Model Aviation module will permit fly airplane two RC channels time affording greater se curity interference in-flight failure such components battery packs switch harnesses receivers form insurance can decide whether need based esti mated cost next crash Also shown external throttle servo controller permits make engine adjust ments operating RC transmitter Bill Charlie Cannon present Cannon narrow-band micro sys tems including miniature narrow-band single-conversion AM receiver shown last year tested orange-box AM transmitters show sidebands down lower 60 dB Hundreds have sold RC38-RC56 per formance has good available year RCl6-RC34 well Bill has congratulated persistent pursuit smallest lightest RC system tiny Cannon radios show good performance high reliability people will speak ill have never owned Futaba JR did attend show cant comment new offerings rest show usual bee hive looking buying selling fewer video presentations year seemed Byron Originals Inc RC Video Magazine usual crowd builders also saw videos boats cars planes Saturday crush made wonder about fire laws everyone good mood tolerable didnt see acting nasty usual long slow lines buy food drink Patience good humor rule day Safety/Preston Continued page 22 few RC systems adversely affected gets attention cant say radio manufacturer model number will exhibit problem because way arrange servo battery leads has strong effect Im quite sure advised Ralph rear range wires try again before sending system back service department re pairs kind problem can drive service men crazy because hard replicate dont accidentally get servo wires bad arrangement cant demonstrate problem everyone concerned left unsatis fied message clear Rearrange rats nest fuselage before blaming radios de signer builder Thank George Before leaving subject word caution about rearranging rats nests fuselages first Scale model entered sanc tioned contest Piper J-3 Cub Sig kit won its first contest building model made attempt prevent ing tail-heavy As result CG thing little too far forward flew way number months came con test Id have won fact threeturn spin downgraded because first turn wasnt really spinning next day took model work lunchtime flying session time worked Department Transportation building formerly occupied Erco builders Ercoupe lightplane Riverdale MD 1500-ft abandoned macadam run way outside office door enjoyed job lo cation Anyway particular day decided re arrange rats nest wiring fuselage before first flight see could move CG slightly rearward order achieve positive spin entry So reached fuse lage stuffed battery pack rearward under servo tray Takeoff nonnal first few min utes flight warning 126 Model Aviation
Edition: Model Aviation - 1988/06
Page Numbers: 6, 10, 126
Bill Effingr * says quarter-scale Curtiss Hawk P-i great companion Falcon first deluxe scale model kitted AMAL late 1920s P-i true classic air plane both ground air ddaddy Hawk designs followed Plan N Pattern complete instructions bill materials Curtiss Hawk P-i 88 length 94Yu wingspan 13- 23 engines 2268 sq inwing area 3-4 channel 8/CRCQSi 4$2495 Quarter Scale Curtiss Falcon For4channelfllC RCQS-13$2995 3160 sq wing ares Piper Cub J-3 1/3 Scale _______ 11 ft 9 wing span 2800 sq wing ares 90 length 4 channel 8/C 20- 30 cid engines RC3S-2$2995 Cessna Scale 81 wing span 900 sq wing ar 20 80 engines 3 -4 channel RIC8C6S-1$1495 116 Scale Puss Moth DH 80 Navy F4D-1 Skyray Ducted Fan 32Yzwingspan 3-5 channel 8/C length 1scale -_ -----.. 7 -O -1 $1995 Bill Effinger founding member AMA AMA-AFFS Hall Famer Prices complete plans sub-assembly detailed parts lists Add $200 MaIling Tube SEND FOR BROCHURE ahead crowd New brochure showing new Plan sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Dragonfly P-30 article April 1988 issue con tains small important error needs corrected help Drag onfly builders avoid misleading other P-30 fliersor Coupe fliers also use 10-gram motors listed weight 10-gram motor A6-in width being about 76 long Right after magazine appeared couple callers informed length wrong check friends industrial gram scale accurate two decimal places confirms lubricated Y16-in rubber 100 grams 91 long Apparently inexpensive gram scale led astray bad news mistake made good news 90-in-long motor instead 76 pretensioned corded fit 19 distance between hooks will deliver 18% increase duration putting model around 2-mm mark Dave Platt Plantation FL April article Model Aviation Dragonfly P-30 Dave Platt good need good article Free Flight activities would like point out lack snuffer tube plans current emphasis safety should important factor Mr Platt tended competitive airplane such snuffer tube required compe tition Bonny Jenkins Chairperson Free Flight Contest Board Memphis TN FIN ALUMINUM SNUFFER TUBE SUB Bonny right of course Designer Platt Continued page 10 SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUS TOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KL017 OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORDERS SHIPPED WITHIN 24 HOURS 6 Model Aviation etjers o rh dito letters will carefully consIdered general Interest used Send Model AviatIon 1810 Samuel Morse Dr Reston VA 22090 OUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS ! CALL FOR IMMEDIATE SHIPMENT ON WSA OR MASTERCARD u sq ji wir~ ae5 r-u 40 engines 3 channel 8/C suggested RC6S-$1495 BIG GLOW FUEL MANUCIuREi WITH THE PUREST FINEST QUALIT4 * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION PSi ROKI- FREIGHT COLLECT 55 GAL DRUM $19695 $26495 $32995 $38995 $52495 $66995 U PINTQUARTGALLON $315$450$1075 $365$525$1275 $415$550$1475 $430$635$1675 $515$795$2195 $595$925$2695 SIGPREMIUM 4-ROKE iTh $1425I$29995 $1625I$36495 THE CHOICi- over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure I Nitromethane get full measure youve paid based honest percentage-of-volume I method percentage weight SIG fuels contam 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil U for maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price take word try some judge UyourselfPrcoo bjed donge whot no~e See dealer first available order direct Call 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO. Montezuma IA 50171 44 FREE SHIPPING ON ORDERS OVER $1500 0% Nitromethane 5% Nitromethane 10% Nitromethane 15% Nitromethane 25% Nitromethane 35% Nitromethane 10% Nitromethane 15% Nitromethane says alwninwn snuffer tube installed rudder cutout just above stabilizer per portion revised plan shown Box Floats Work Just note some pictures may interest Yes vintage old timer like can learn fly RC Helicopters No couldnt find custom floats IMP Shuttle made ugly boxes just see floats would work did What blast taxi fly off water am flying new high mast Shuttle must say great improvement 1200 mAh pack handles Futaba radio five servos gyro very nicely OS 32 engine adequate float flying model Norman Hanson Hilton Head Isle SC 1hV Batteries read great interest letter Lee Hoffman April 1988 issue regard ing lack availability 1 A-volt bat teries Id like pass idea Ive used years before going rechargeable Ni-Cd starter Simply buy 6V dry cell available almost anywhere about $3 remove case Inside four 1 AV cells can used individually re wired parallel ignition battery can last nil season Actually prefer Ni-Cd because doesnt go flat warning Gene Zdenek Berwyn IL Calhoun Smith read April 1988 issue great sadness refer Sportwagon originally designed Cal Smith opinion Cal finest human being have ever met paths crossed 1955 Daily Mirror Air Show Long Island Grumman Field both entered Navy Carrier event won Continued page 126 10 Model Aviation Al Radio South Batteries 500 ma Pack 48V1100 Futabaconn1350 800 ma Pack 48V1950 Futaba conn2275 1200 ma Pack 48V2100 Futaba conn2425 TX batt Futaba G-Series orPCM2450 RADIO SOUTH AUTHORIZED SERVICE CENTER Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessoriesall discounted prices Featuring fast service bybO__ qualified people the- latest equipment inciuding SPECTRUMANALYZER-- Frequency Conversions Kraft$40 FutabaAM$30 Futaba FM$40 ProLine/Ace$30 repair $10 Mode Change$35 Repair Heti Sets Gyros Orders COD VISA MC Ship Charges Only Prices subject change notice OPEN 8-5 CST904 478-6745 43 West Nine Mile Rd Pensacola FL 32514 Letters Editor Continued page 10 came home night sent away set plans Douglas Skyraider Cal used event told wanted win plane what needed forget now sold plans followed Cals advice following year met again oaly time also Skyraider just like took look plane gave big handshake withdrew plane event helped allowing win day happiest kid New York Cityonly because Cal kind guy article about him fantas tic remember him well could find other set plans would build another Skyraider Just him Jim Meilde Peekskill NY WRAM Show/Myers Continued page 14 narrow-band line aircraft Vanguard AM system being dropped 5 The high-quality Airtronics CS-2P FM XL-2P AM pistol-grip wheelsteered radio cars boats 27 75 MHz 6 The entry-level two-stick Vector VT 2R reversing switches VT-2S no switches dry-battery Ni-Cd AM sys tems 7 The entry-level Vector VT-2P pistol grip AM system dry batteries Ni-Cds 27 75 MHz cars boats Just down hall Cal Orr display ing Custom Electronics line Cal has al ready received FCC Type Acceptance 72/53 MHz redundant radio module Futaba G-series transmitters await ing approval 72/72 MHz version Airtronics Module series described Cals redundant radio systems Ra dio Technique column August 1986 July 1987 Model Aviation module will permit fly airplane two RC channels time affording greater se curity interference in-flight failure such components battery packs switch harnesses receivers form insurance can decide whether need based esti mated cost next crash Also shown external throttle servo controller permits make engine adjust ments operating RC transmitter Bill Charlie Cannon present Cannon narrow-band micro sys tems including miniature narrow-band single-conversion AM receiver shown last year tested orange-box AM transmitters show sidebands down lower 60 dB Hundreds have sold RC38-RC56 per formance has good available year RCl6-RC34 well Bill has congratulated persistent pursuit smallest lightest RC system tiny Cannon radios show good performance high reliability people will speak ill have never owned Futaba JR did attend show cant comment new offerings rest show usual bee hive looking buying selling fewer video presentations year seemed Byron Originals Inc RC Video Magazine usual crowd builders also saw videos boats cars planes Saturday crush made wonder about fire laws everyone good mood tolerable didnt see acting nasty usual long slow lines buy food drink Patience good humor rule day Safety/Preston Continued page 22 few RC systems adversely affected gets attention cant say radio manufacturer model number will exhibit problem because way arrange servo battery leads has strong effect Im quite sure advised Ralph rear range wires try again before sending system back service department re pairs kind problem can drive service men crazy because hard replicate dont accidentally get servo wires bad arrangement cant demonstrate problem everyone concerned left unsatis fied message clear Rearrange rats nest fuselage before blaming radios de signer builder Thank George Before leaving subject word caution about rearranging rats nests fuselages first Scale model entered sanc tioned contest Piper J-3 Cub Sig kit won its first contest building model made attempt prevent ing tail-heavy As result CG thing little too far forward flew way number months came con test Id have won fact threeturn spin downgraded because first turn wasnt really spinning next day took model work lunchtime flying session time worked Department Transportation building formerly occupied Erco builders Ercoupe lightplane Riverdale MD 1500-ft abandoned macadam run way outside office door enjoyed job lo cation Anyway particular day decided re arrange rats nest wiring fuselage before first flight see could move CG slightly rearward order achieve positive spin entry So reached fuse lage stuffed battery pack rearward under servo tray Takeoff nonnal first few min utes flight warning 126 Model Aviation