FREE FLIGHT DURATION SYMPO 96 Symposium National Free Flight Society better known Sympo annual publication combines technical practical articles aspects free flight design construction 1996 Sympo 29th edited Bill Bogart available NFFS Publications Director Fred Terzian 4858 Moorpark Ave San Jose CA 95 129-2132 cost $20 NFFS members $24 non-members Postage $3 Some papers 1996 Sympo Playing P-30 Models John ODwyer traces some experiments popular P-30 rubber class Flapped Wing FlC Gil Moms has worked long hard develop practical reliable power model wing changes camber reduced drag during climb increased lift glide Thoughts Handlaunched Glider Design Despite simple appearance hand-launched gliders challenge design build fly Glen Simpers paper presents ideas observations Evolution Very High Thrust Line Keith Hoover years strong proponent VHTL power models explores alternative way control power pattern gas model Making Propellers Rubber Powered Models Len Sherman offers tips techniques carving prop traditional way solid block balsa Universal Forming Block Propeller Blades Two Finnish modelers Kai Halsas Antti Jolma offer alternative way form Indoor rubber model blades using tapered can form Nordic Electronic Timers Stab Control Mechanisms Aram Schlosberg discusses latest developments electronic timers control bunt phase towline glider launch 96 Sympo also honors Ten Models Year Several should familiar regular readers column Small GasNorm Poti s Nibble 300 Large GasJays Bird Vic Jays Frank Parmenter Easy BLarry Coslicks Akron MiniStickK777 Joe Krush Catapult GliderFeather Shooter Bob Bienenstein FlG Rubberthe late Eric Johnstons Dream Catcher FIASergei Makarov Michail Kochkarevs Short Model FlB1995 World Champion Jerry Fitch FiCthe 1995 World Champion Team Gil Morris Mike Achterberg Roger Simpson Southern California Aero Team also received special award its Scatter newsletter Touch Color both Rex Hinson Blame Miller called raving about color finish Tom McCoys models decided check out Heres Toms method producing good-looking color finish new Polyspan covering material After usual finish-sanding Tom attaches Polyspan using full-strength clear dope shrinks polyester material using hot iron Next model gets two coats 50/50 dope brushed sprays model mixture 10 parts thinner 1 part Higgins fade-proof ink 2 parts clear dope small amount dope seems make difference perhaps makes mixture just sticky enough produce run-free finish can find Higgins ink art supply crafts stores just sure get fade-proof variety Sal Fruciano Starline International can supply Higgins ink well Polyspan covering material Sal US importer Polyspan last two years have covered about half-dozen wings Polyspan easy use very very durable attach full-strength dope covering bottom wing first use small brush work dope along both sides rib above make sure covering will stay attached undercambered ribs Ed Turner tells simply dopes wing frame 50/50 dope attaches Polyspan acetone Sure sounds simpler Polyspan instructions say after covering can either dope wing heat-shrink vice-versa Ive tried both ways found best heatshrink first before doping tried doping first some problems top bottom covering sticking together just front trailing edge very thin wings Tom McCoy also suggested using hot iron help Polyspan go around sharp corners built-up rubber model fuselages trims covering about 3A2 inch oversized laps around corner havent given Polyspan try order some Starline International 6146 East Cactus Wren Rd Scottsdale AZ 85253 cost $15 per roll plus $3 postage Ask catalog other hightech Free Flight items Vivchar VP Ukrainian Wakefield flier Igor Vivchar has considerable success last few years including winning World Cup third place 1995 World Championships equipment carefully designed madeoften military spec olivedrab-anodized finish aluminum parts surprising since instructor model building Ukrainian Army Wakefield front ends have noted light weight compact size October1996 111 Gil Morris third FiG last World Championships three Fl C team members honored 1996 NFFS Symposium Fl B World Champion Jerry Fitch checks timer model chosen NFFS Ten Models Year Junior team member Dorothy Fee models took Junior World Championships Poland Bill Fee photo flawless construction until now conventional fixedpitch design Jos Melis ABC Free Flight Supplies sent new Vivchar variable-pitch front end look outside looks almost exactly like conventional front end round carbon-fiber spinner wide nose ring As other front ends nose ring designed slip over outside motor tube unlike other commercial front ends use small nose ring fits inside tube Therefore Igor s front ends must used own 29mm outside-diameter motor tubes Introducing finest mode/s accessories 1 K N JVfNG MEG DONT TRASH IT AFTER YOU CRASH IT PHONE 309/342-3009 IF YOUR FAVORITE BIRD HAS HAD ACCIDENT AND NEEDS NEW WING CHANCES ARE WE HAVE IT FOAM WINGS ARE THE EASIEST AND FASTEST WAY OF GETTING BACK IN THE AIR WE HAVE OVER 400 KIT AND PLAN WINGS IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU CANT AFFORD THE TIME AND EXPENSE TO BUILD ONE UP FROM SCRATCH CALL US NOW 306 E SIMMONS GAL ESBURS IL 61401 SEND $500 FOR CATALOG WITH DATA SHEETS October1996 113 ri Very high speed slope thermal sailplane OPUS-V l Electric version OPUS-SE clocked 200 km/h Glass carbon fiber construction made Czech Republic Wing span 72 fuselage length 42 F5B use eg Astro-25 -40 10 cells Intelligent microprocessor-operated chargers flight pack plus transmitter and/or receiver batteries Manufactured Europes leading supplier chargers speed controllers Automatically adapts 4 36 cell flight packs charge current up 90 Amps Multiple discharge/charge cycles will recondition tired battery packs Digital display battery capacity voltage current charge time etc PAF Powder Micro glass balloons German-engineered precision work wonders filler Simply lay bead PAF-Powder between two materials joined apply few drops thin CA glue ensuing bond literally strong glass Use wood plastic cloth metal steel piano wire nylon what have YAW-2 YAW-E Piezo solid-state gyros size servo precision gyros weigh less 2 oz YAW-E 07 oz best credentials size weight price under $250 E y~jjj 23 23-C Tamara Lane San Marcos CA 92069 LJ ILJLI619 744-1773tel 619 752-9330 Functional shock absorbing scale gear designed make Cub IKON Goldberg Great Planes Sig Balsa USA S 115THISGEARISFORGIVING114 B TU RN UG TE E TC T0 AV CE HR 4l3OTubing $10000 S&H Check orMO Win CWallace Box 63 Dixie ID 83525 208 842-2337 Once spinner off however can get better idea variable-pitch feature works Theres mainspring around shaft works against torque wound motor As motor wound torque overcomes spring tension rotates part assembly around cam mounted back front plate ball-bearing cam follower mounted propeller half-shaft moves blade sample examined cam set maximum pitch about 60 inch-ounces torque produce approximately 60 change blade angle Measured 210 radius would translate approximately six inches pitch change Like other modern Wakefield hubs incorporates DPR Delayed Prop Release feathering blades launch An external lever nose ring acts prop stop until released line back timer lever also allows extra hand winds put waiting good air thrust adjustments Igor supplies series aluminum rings taper thickness side other rings come various thicknesses slipped over back front end rotated give desired amount side thrust downthrust Now big question does Vivchar front end compare Andriukov VP front end has widely used last few years Simply stated Vivchar front end lighter smaller less expensive Vivchar about $220 versus about $340 Andriukov model Both prices approximate due currency fluctuations Andriukov VP front end allows easier access cam spare blank cams available allow experimentation Removing Vivchar cam bit involved no spare cams offered time Vivchar smaller simpler Andriukov wouldnt too difficult turn spare two lathe Vivchar front end allows changing preload mainspring controls cam begins move high setting during unwinding Andnukov model changing preload requires making new mainspring Both front ends use bobbin arrangement hold rubber motor bayonets onto shaft However bobbins interchangeable between two makes front ends variable-pitch front ends including detailed photographs Andriukov front end see August 1993 Duration column can order Vivchar VP front ends Jos Melis ABC Free Flight Supply Winterbeekstraat 1 3730 Hoeselt Belgium Check first about availability though J05 reports VP front ends have selling like hotcakes should Belgian waffles s stocked Ohio location Ask about high-performance accessories Find out what everybodys talking about Call now order Northern Velocity Ltd800 665-9575 2244 E Enterprise Twinsburg Ohio 44087216 425-3630 FAX 216 425-3935 _________________________________________MC/ VISA 5 & H $4 00 size order 0 DIS/AMEX OH Res add 5 75% tax 114 Model Aviation har variable-pitch Fl B prop hub has carbon-fiber spinner Ball-bearing cam follower cam Prop blades attach short removable bobbin wide nose ring external start lever aluminum stubs easy blade change pitch adjustment AME 049 MKII AME 061 MKII
Edition: Model Aviation - 1996/10
Page Numbers: 111, 113, 114
FREE FLIGHT DURATION SYMPO 96 Symposium National Free Flight Society better known Sympo annual publication combines technical practical articles aspects free flight design construction 1996 Sympo 29th edited Bill Bogart available NFFS Publications Director Fred Terzian 4858 Moorpark Ave San Jose CA 95 129-2132 cost $20 NFFS members $24 non-members Postage $3 Some papers 1996 Sympo Playing P-30 Models John ODwyer traces some experiments popular P-30 rubber class Flapped Wing FlC Gil Moms has worked long hard develop practical reliable power model wing changes camber reduced drag during climb increased lift glide Thoughts Handlaunched Glider Design Despite simple appearance hand-launched gliders challenge design build fly Glen Simpers paper presents ideas observations Evolution Very High Thrust Line Keith Hoover years strong proponent VHTL power models explores alternative way control power pattern gas model Making Propellers Rubber Powered Models Len Sherman offers tips techniques carving prop traditional way solid block balsa Universal Forming Block Propeller Blades Two Finnish modelers Kai Halsas Antti Jolma offer alternative way form Indoor rubber model blades using tapered can form Nordic Electronic Timers Stab Control Mechanisms Aram Schlosberg discusses latest developments electronic timers control bunt phase towline glider launch 96 Sympo also honors Ten Models Year Several should familiar regular readers column Small GasNorm Poti s Nibble 300 Large GasJays Bird Vic Jays Frank Parmenter Easy BLarry Coslicks Akron MiniStickK777 Joe Krush Catapult GliderFeather Shooter Bob Bienenstein FlG Rubberthe late Eric Johnstons Dream Catcher FIASergei Makarov Michail Kochkarevs Short Model FlB1995 World Champion Jerry Fitch FiCthe 1995 World Champion Team Gil Morris Mike Achterberg Roger Simpson Southern California Aero Team also received special award its Scatter newsletter Touch Color both Rex Hinson Blame Miller called raving about color finish Tom McCoys models decided check out Heres Toms method producing good-looking color finish new Polyspan covering material After usual finish-sanding Tom attaches Polyspan using full-strength clear dope shrinks polyester material using hot iron Next model gets two coats 50/50 dope brushed sprays model mixture 10 parts thinner 1 part Higgins fade-proof ink 2 parts clear dope small amount dope seems make difference perhaps makes mixture just sticky enough produce run-free finish can find Higgins ink art supply crafts stores just sure get fade-proof variety Sal Fruciano Starline International can supply Higgins ink well Polyspan covering material Sal US importer Polyspan last two years have covered about half-dozen wings Polyspan easy use very very durable attach full-strength dope covering bottom wing first use small brush work dope along both sides rib above make sure covering will stay attached undercambered ribs Ed Turner tells simply dopes wing frame 50/50 dope attaches Polyspan acetone Sure sounds simpler Polyspan instructions say after covering can either dope wing heat-shrink vice-versa Ive tried both ways found best heatshrink first before doping tried doping first some problems top bottom covering sticking together just front trailing edge very thin wings Tom McCoy also suggested using hot iron help Polyspan go around sharp corners built-up rubber model fuselages trims covering about 3A2 inch oversized laps around corner havent given Polyspan try order some Starline International 6146 East Cactus Wren Rd Scottsdale AZ 85253 cost $15 per roll plus $3 postage Ask catalog other hightech Free Flight items Vivchar VP Ukrainian Wakefield flier Igor Vivchar has considerable success last few years including winning World Cup third place 1995 World Championships equipment carefully designed madeoften military spec olivedrab-anodized finish aluminum parts surprising since instructor model building Ukrainian Army Wakefield front ends have noted light weight compact size October1996 111 Gil Morris third FiG last World Championships three Fl C team members honored 1996 NFFS Symposium Fl B World Champion Jerry Fitch checks timer model chosen NFFS Ten Models Year Junior team member Dorothy Fee models took Junior World Championships Poland Bill Fee photo flawless construction until now conventional fixedpitch design Jos Melis ABC Free Flight Supplies sent new Vivchar variable-pitch front end look outside looks almost exactly like conventional front end round carbon-fiber spinner wide nose ring As other front ends nose ring designed slip over outside motor tube unlike other commercial front ends use small nose ring fits inside tube Therefore Igor s front ends must used own 29mm outside-diameter motor tubes Introducing finest mode/s accessories 1 K N JVfNG MEG DONT TRASH IT AFTER YOU CRASH IT PHONE 309/342-3009 IF YOUR FAVORITE BIRD HAS HAD ACCIDENT AND NEEDS NEW WING CHANCES ARE WE HAVE IT FOAM WINGS ARE THE EASIEST AND FASTEST WAY OF GETTING BACK IN THE AIR WE HAVE OVER 400 KIT AND PLAN WINGS IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU CANT AFFORD THE TIME AND EXPENSE TO BUILD ONE UP FROM SCRATCH CALL US NOW 306 E SIMMONS GAL ESBURS IL 61401 SEND $500 FOR CATALOG WITH DATA SHEETS October1996 113 ri Very high speed slope thermal sailplane OPUS-V l Electric version OPUS-SE clocked 200 km/h Glass carbon fiber construction made Czech Republic Wing span 72 fuselage length 42 F5B use eg Astro-25 -40 10 cells Intelligent microprocessor-operated chargers flight pack plus transmitter and/or receiver batteries Manufactured Europes leading supplier chargers speed controllers Automatically adapts 4 36 cell flight packs charge current up 90 Amps Multiple discharge/charge cycles will recondition tired battery packs Digital display battery capacity voltage current charge time etc PAF Powder Micro glass balloons German-engineered precision work wonders filler Simply lay bead PAF-Powder between two materials joined apply few drops thin CA glue ensuing bond literally strong glass Use wood plastic cloth metal steel piano wire nylon what have YAW-2 YAW-E Piezo solid-state gyros size servo precision gyros weigh less 2 oz YAW-E 07 oz best credentials size weight price under $250 E y~jjj 23 23-C Tamara Lane San Marcos CA 92069 LJ ILJLI619 744-1773tel 619 752-9330 Functional shock absorbing scale gear designed make Cub IKON Goldberg Great Planes Sig Balsa USA S 115THISGEARISFORGIVING114 B TU RN UG TE E TC T0 AV CE HR 4l3OTubing $10000 S&H Check orMO Win CWallace Box 63 Dixie ID 83525 208 842-2337 Once spinner off however can get better idea variable-pitch feature works Theres mainspring around shaft works against torque wound motor As motor wound torque overcomes spring tension rotates part assembly around cam mounted back front plate ball-bearing cam follower mounted propeller half-shaft moves blade sample examined cam set maximum pitch about 60 inch-ounces torque produce approximately 60 change blade angle Measured 210 radius would translate approximately six inches pitch change Like other modern Wakefield hubs incorporates DPR Delayed Prop Release feathering blades launch An external lever nose ring acts prop stop until released line back timer lever also allows extra hand winds put waiting good air thrust adjustments Igor supplies series aluminum rings taper thickness side other rings come various thicknesses slipped over back front end rotated give desired amount side thrust downthrust Now big question does Vivchar front end compare Andriukov VP front end has widely used last few years Simply stated Vivchar front end lighter smaller less expensive Vivchar about $220 versus about $340 Andriukov model Both prices approximate due currency fluctuations Andriukov VP front end allows easier access cam spare blank cams available allow experimentation Removing Vivchar cam bit involved no spare cams offered time Vivchar smaller simpler Andriukov wouldnt too difficult turn spare two lathe Vivchar front end allows changing preload mainspring controls cam begins move high setting during unwinding Andnukov model changing preload requires making new mainspring Both front ends use bobbin arrangement hold rubber motor bayonets onto shaft However bobbins interchangeable between two makes front ends variable-pitch front ends including detailed photographs Andriukov front end see August 1993 Duration column can order Vivchar VP front ends Jos Melis ABC Free Flight Supply Winterbeekstraat 1 3730 Hoeselt Belgium Check first about availability though J05 reports VP front ends have selling like hotcakes should Belgian waffles s stocked Ohio location Ask about high-performance accessories Find out what everybodys talking about Call now order Northern Velocity Ltd800 665-9575 2244 E Enterprise Twinsburg Ohio 44087216 425-3630 FAX 216 425-3935 _________________________________________MC/ VISA 5 & H $4 00 size order 0 DIS/AMEX OH Res add 5 75% tax 114 Model Aviation har variable-pitch Fl B prop hub has carbon-fiber spinner Ball-bearing cam follower cam Prop blades attach short removable bobbin wide nose ring external start lever aluminum stubs easy blade change pitch adjustment AME 049 MKII AME 061 MKII
Edition: Model Aviation - 1996/10
Page Numbers: 111, 113, 114
FREE FLIGHT DURATION SYMPO 96 Symposium National Free Flight Society better known Sympo annual publication combines technical practical articles aspects free flight design construction 1996 Sympo 29th edited Bill Bogart available NFFS Publications Director Fred Terzian 4858 Moorpark Ave San Jose CA 95 129-2132 cost $20 NFFS members $24 non-members Postage $3 Some papers 1996 Sympo Playing P-30 Models John ODwyer traces some experiments popular P-30 rubber class Flapped Wing FlC Gil Moms has worked long hard develop practical reliable power model wing changes camber reduced drag during climb increased lift glide Thoughts Handlaunched Glider Design Despite simple appearance hand-launched gliders challenge design build fly Glen Simpers paper presents ideas observations Evolution Very High Thrust Line Keith Hoover years strong proponent VHTL power models explores alternative way control power pattern gas model Making Propellers Rubber Powered Models Len Sherman offers tips techniques carving prop traditional way solid block balsa Universal Forming Block Propeller Blades Two Finnish modelers Kai Halsas Antti Jolma offer alternative way form Indoor rubber model blades using tapered can form Nordic Electronic Timers Stab Control Mechanisms Aram Schlosberg discusses latest developments electronic timers control bunt phase towline glider launch 96 Sympo also honors Ten Models Year Several should familiar regular readers column Small GasNorm Poti s Nibble 300 Large GasJays Bird Vic Jays Frank Parmenter Easy BLarry Coslicks Akron MiniStickK777 Joe Krush Catapult GliderFeather Shooter Bob Bienenstein FlG Rubberthe late Eric Johnstons Dream Catcher FIASergei Makarov Michail Kochkarevs Short Model FlB1995 World Champion Jerry Fitch FiCthe 1995 World Champion Team Gil Morris Mike Achterberg Roger Simpson Southern California Aero Team also received special award its Scatter newsletter Touch Color both Rex Hinson Blame Miller called raving about color finish Tom McCoys models decided check out Heres Toms method producing good-looking color finish new Polyspan covering material After usual finish-sanding Tom attaches Polyspan using full-strength clear dope shrinks polyester material using hot iron Next model gets two coats 50/50 dope brushed sprays model mixture 10 parts thinner 1 part Higgins fade-proof ink 2 parts clear dope small amount dope seems make difference perhaps makes mixture just sticky enough produce run-free finish can find Higgins ink art supply crafts stores just sure get fade-proof variety Sal Fruciano Starline International can supply Higgins ink well Polyspan covering material Sal US importer Polyspan last two years have covered about half-dozen wings Polyspan easy use very very durable attach full-strength dope covering bottom wing first use small brush work dope along both sides rib above make sure covering will stay attached undercambered ribs Ed Turner tells simply dopes wing frame 50/50 dope attaches Polyspan acetone Sure sounds simpler Polyspan instructions say after covering can either dope wing heat-shrink vice-versa Ive tried both ways found best heatshrink first before doping tried doping first some problems top bottom covering sticking together just front trailing edge very thin wings Tom McCoy also suggested using hot iron help Polyspan go around sharp corners built-up rubber model fuselages trims covering about 3A2 inch oversized laps around corner havent given Polyspan try order some Starline International 6146 East Cactus Wren Rd Scottsdale AZ 85253 cost $15 per roll plus $3 postage Ask catalog other hightech Free Flight items Vivchar VP Ukrainian Wakefield flier Igor Vivchar has considerable success last few years including winning World Cup third place 1995 World Championships equipment carefully designed madeoften military spec olivedrab-anodized finish aluminum parts surprising since instructor model building Ukrainian Army Wakefield front ends have noted light weight compact size October1996 111 Gil Morris third FiG last World Championships three Fl C team members honored 1996 NFFS Symposium Fl B World Champion Jerry Fitch checks timer model chosen NFFS Ten Models Year Junior team member Dorothy Fee models took Junior World Championships Poland Bill Fee photo flawless construction until now conventional fixedpitch design Jos Melis ABC Free Flight Supplies sent new Vivchar variable-pitch front end look outside looks almost exactly like conventional front end round carbon-fiber spinner wide nose ring As other front ends nose ring designed slip over outside motor tube unlike other commercial front ends use small nose ring fits inside tube Therefore Igor s front ends must used own 29mm outside-diameter motor tubes Introducing finest mode/s accessories 1 K N JVfNG MEG DONT TRASH IT AFTER YOU CRASH IT PHONE 309/342-3009 IF YOUR FAVORITE BIRD HAS HAD ACCIDENT AND NEEDS NEW WING CHANCES ARE WE HAVE IT FOAM WINGS ARE THE EASIEST AND FASTEST WAY OF GETTING BACK IN THE AIR WE HAVE OVER 400 KIT AND PLAN WINGS IN STOCK FOR IMMEDIATE DELIVERY SO IF YOU CANT AFFORD THE TIME AND EXPENSE TO BUILD ONE UP FROM SCRATCH CALL US NOW 306 E SIMMONS GAL ESBURS IL 61401 SEND $500 FOR CATALOG WITH DATA SHEETS October1996 113 ri Very high speed slope thermal sailplane OPUS-V l Electric version OPUS-SE clocked 200 km/h Glass carbon fiber construction made Czech Republic Wing span 72 fuselage length 42 F5B use eg Astro-25 -40 10 cells Intelligent microprocessor-operated chargers flight pack plus transmitter and/or receiver batteries Manufactured Europes leading supplier chargers speed controllers Automatically adapts 4 36 cell flight packs charge current up 90 Amps Multiple discharge/charge cycles will recondition tired battery packs Digital display battery capacity voltage current charge time etc PAF Powder Micro glass balloons German-engineered precision work wonders filler Simply lay bead PAF-Powder between two materials joined apply few drops thin CA glue ensuing bond literally strong glass Use wood plastic cloth metal steel piano wire nylon what have YAW-2 YAW-E Piezo solid-state gyros size servo precision gyros weigh less 2 oz YAW-E 07 oz best credentials size weight price under $250 E y~jjj 23 23-C Tamara Lane San Marcos CA 92069 LJ ILJLI619 744-1773tel 619 752-9330 Functional shock absorbing scale gear designed make Cub IKON Goldberg Great Planes Sig Balsa USA S 115THISGEARISFORGIVING114 B TU RN UG TE E TC T0 AV CE HR 4l3OTubing $10000 S&H Check orMO Win CWallace Box 63 Dixie ID 83525 208 842-2337 Once spinner off however can get better idea variable-pitch feature works Theres mainspring around shaft works against torque wound motor As motor wound torque overcomes spring tension rotates part assembly around cam mounted back front plate ball-bearing cam follower mounted propeller half-shaft moves blade sample examined cam set maximum pitch about 60 inch-ounces torque produce approximately 60 change blade angle Measured 210 radius would translate approximately six inches pitch change Like other modern Wakefield hubs incorporates DPR Delayed Prop Release feathering blades launch An external lever nose ring acts prop stop until released line back timer lever also allows extra hand winds put waiting good air thrust adjustments Igor supplies series aluminum rings taper thickness side other rings come various thicknesses slipped over back front end rotated give desired amount side thrust downthrust Now big question does Vivchar front end compare Andriukov VP front end has widely used last few years Simply stated Vivchar front end lighter smaller less expensive Vivchar about $220 versus about $340 Andriukov model Both prices approximate due currency fluctuations Andriukov VP front end allows easier access cam spare blank cams available allow experimentation Removing Vivchar cam bit involved no spare cams offered time Vivchar smaller simpler Andriukov wouldnt too difficult turn spare two lathe Vivchar front end allows changing preload mainspring controls cam begins move high setting during unwinding Andnukov model changing preload requires making new mainspring Both front ends use bobbin arrangement hold rubber motor bayonets onto shaft However bobbins interchangeable between two makes front ends variable-pitch front ends including detailed photographs Andriukov front end see August 1993 Duration column can order Vivchar VP front ends Jos Melis ABC Free Flight Supply Winterbeekstraat 1 3730 Hoeselt Belgium Check first about availability though J05 reports VP front ends have selling like hotcakes should Belgian waffles s stocked Ohio location Ask about high-performance accessories Find out what everybodys talking about Call now order Northern Velocity Ltd800 665-9575 2244 E Enterprise Twinsburg Ohio 44087216 425-3630 FAX 216 425-3935 _________________________________________MC/ VISA 5 & H $4 00 size order 0 DIS/AMEX OH Res add 5 75% tax 114 Model Aviation har variable-pitch Fl B prop hub has carbon-fiber spinner Ball-bearing cam follower cam Prop blades attach short removable bobbin wide nose ring external start lever aluminum stubs easy blade change pitch adjustment AME 049 MKII AME 061 MKII