Radio Control Helicopters Dave Chesney THIS MONTH well introduce latest Schlu ter Helicopter go through some construction have seen SX8 1 have built flown Schluter Heliboy Bell 222 will recognize components SX8 1 SX8 extension proven Schluter components called System 80 System 80 concept combinations combining Schluter sub-assemblies such drive trains rotor heads fuselages several differ ent Helicopters become available possibilities future Heliboy base system As first introduced Bell 222 fuselage could surround Heliboy mechanics Two combinations came four fixed collective pitch head introduced Heliboy Bell 222 high center gravity framework Heliboy/Bell 222 allowed introduction HO 105 associated four-blade rotor head came Bell Jet Ranger fuselage sharing Heliboy drive train frame flex shaft drive tail rotor done BOlOS new design framework drive train introduced Cheyenne again flex-shaft tail rotor low silhouette Cheyenne framework became base SX8l Helicopters System 80 can share same rotor head either fixed collective pitch head collective head aerobatic exten sion flybarless option four-blade flybar less head share basic tail rotor gear box So little picking choosing few bucks might want build up Heliboy fuselage four-blade head 5X81 tail boom autorotation clutch floatsor perhaps less exotic combination System 80 least modification kit will offered some combinations may require buying basic Heli copter kit adding components Contact Schlu ter USA Inc 2594 North Orange Blossom Trail Orlando FL 32804 assistance 5X81 kit part number 2706 consists two boxes containing mechanical parts ac cessories hardware PVC cabin fuse lage parts snapped up instruction manual translation manual German first look 5X8 1 first reading English instructions left feeling though construction would somehow complicated Continued page 127 October1981 51 uave just couiant resist quick Trame-up AO1 eariy tne assemoiy stages i ne protiie OT ship similar some full-scale military choppers Low profile SX81 shown after installation engine avIu cooling shroud Simpler drive system definite plus Five six plywoodparts shown Dave followed printed cut lines found fit perfect Metalwork goes together fast canopy attaches screwing rear casing nice ana aimpie Plywood supports radio gear easily accessible nis view snows rear Cd5iI95 aiu fldUIIICUI dttdsaIrIeuuts yew tiuct fins can shortened up 1 still provide TIR protection workers should also protected lap count ers should least have chain-link fence barricade details set up race just write AMA ask Pylon Race Procedure Guide Making good profit also important club helps lot have small concession stand set up field doesnt need fancy people enjoy soft drinks hot dogs some type goodies Coffee donuts always make big hit first thing morning wives club members can help Out baking cookies brownies cupcakes Dont sell cheap off-brand soft drinks because people often wont buy can buy items need wholesale brand-name soft drink com panies will sell good price Some soft drink companies have concession trailers will let use contest Sell items fair price club makes some profit course will work unless have publicized event areas TV radio stations will glad help publicize contest need contact right people Newspapers will also help out need contact people well advance give good information contest make good effort spend little time club will have good profitable contest Good luck Bill Hager 706 Glen Haven Drive Conroe TX 77302 RC Helicopters/Chesney Continued page 51 process due wording liberal reference various screw sizes part numbers ever things started fall place package parts opened stage referenced booklet initial framework construction used addition tools supplied kit screwdriver needle-nose pliers small X-Acto file set plastic grease gun filled special grease also supplied kit little grease gun previously sent Miniature Aircraft Supply available $150 extremely useful putting grease wanted As Heliboy article few years back Ill limit comments just stages experienced difficulty found something feel noteworthy framework 5X8 1 course basis high center gravity PVC fuselage will later surround mechanics engine position shaft down versus shaft up Heliboy engine position yields low profile also associated drive system simpler drive system set up drive system virtually self-aligning Step 3 gave some difficulty beginning use washers provide clearance gear 170 lower side framesthis after deter mining clearance clutch housing nylon gear 170 Once both installed clutch shaft assembly 169 found clear ances required washer between clutch clutch bell instructions call two washers two washers between clutch bell upper bearing block per instruction three washers between lower bearing block nylon gear instructions specify order toprovide running clearance between special nuts nylon gear lower side frames fuselage Once nylon gear attached clutch/shaft assembly using special nuts M4x 15 screws assembly sequence long end shaft two washers check clutch housing nylon gear clearance two washers bearing block 1 3 1 Brg down bottom three washers bearing block 131 Brg up balance assembly through Stage 4 no problem Stage 5 toggle lever installation called M3x35 screw retain lever 476 support bearing block fuselage side frames photo instruction showed M3 self-lock nut screwed M3x35 however found exposed threads ofM3x35 insufficient engage self-lock chose use standard M3 nut Blue Loctite instead photo Stage 5 also showed compensating lever 358 tached toggle 476 written instructions October 1981 127 AND FLIGHT RECORD AIRCRAFT FLOWN SOLO/DUAL TIME FLYING FIELDS FLIGHT INSTRUCTOR TOTAL HOURS WEATHER CONDITIONS FLIGHT DURATION TRIM ADJUSTMENTS ALL OF THE ABOVE AND MORE CAN BE ENTERED IN YOUR OWN PERSONAL FLIGHT LOG HERE FOR THE FIRST TIME IS R/C LOGBOOK DESIGNED SPECIFICALLY FOR THE PILOT OF MINITIATURE AIRCRAFT WHATEVER YOUR PARTICULAR SKILL LEVEL MAY BE THE LOGBOOK WILL ADD TO YOUR ENJOYMENT OF R/C FLYING LOGBOOK HAS DURABLE HARD-BOUND COVER AND CONTAINS SUFFICIENT PAGES TO RECORD YEARS OF FLYING BY THE AVERAGE R/C PILOT 1981 BY CHAMPION HOBBIES $695 EACH POSTAGE PAID OHIO RESIDENTS ADD 325 SALES TAXI DEALER/DISTRIBUTOR INQUIRIES WELCOME RUBBER STRIP FAI RUBBER Made USA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 Ounces rubber per box PRICE $1200 per box postpaid USA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB Fuel DT $1150 ea plus 10% UPS Sole US Distributors & World-wide Sales Send 25 1981 catalog __ FAI Model Supply CHAMPION HOBBIES 3715 REEMELIN CINCINNATI OHIO 45211 Phone 513-481-6961 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Mail Order Specials List Price $125 ea 6for 595 12 1100 50 4200 Postage paidClub Discounts Avail1 Send check money order ACCU-FLITE 1111 PLUM DR CROWNSVILLE MD 21032 did indicate attachment Although Bag 5 contained screws washers install armno arm Check BagS arm missing just contact Schluter USA prompt replace ment Stage 6 Again found self-lock nuts would engage fully sol chose use washer M3x30 screw retaining PVC bearing lock between side frames have built Heliboy youll appreciate Stage 7 lineup drive gear certainly easier proper lineup Heliboy starting shaft comment design drive unit requires 61 engine -in crankshaft have favorite engine type metal gear 173 may require some machining dont just drillplease use lathe dial indicator fit crankshaft machine counterbore gear old standard Max 6OFSR engine stub shaft its crankshaft Watch engine selections thats t right down thrust washer some machining time make favorite engine fit Schlulter USA will bore gears special fit requested new kit spare gear ordered Stage 9 gosh sakes pay attention gear arrangement instructions hR drive reduction gearing Schluter Heli copters Heliboy 5X8 Cheyenne Miniboy use reduction gearing Putting gears backwards dangerous since speed could throw T/R blades Stage 10 see August MA column latest Schluter T/R modification neces sary Although parts supplied latest mod instructions earlier version prior black plastic blade holders associated retainers Watch out make sure Loctite applied hub screw otherwise Loctite may wick bearing Stages 11 12 13 gave no problem Ill again mention head lock device see Septem ber find makes dandy assembly aid head lock keeps flybar pivoting installing other head components As usual installed Option 13 standard head leftover pieces flybarless modification requires special weighted rotor blades about three rotor heads kit might add some subtle changes head have made since Heliboy since assembly sequences functions remain same will detail improvements Stage 14 Go ahead reinforce blade root fiberglass cloth resin fiberglass cloth Hot Stuff Stage 15 tank clamps should hand-bent hold tank snugly clamps just formed around tank fit will loose tank will secured properly point jumped gun started cutting out servo mounts plastic casings such just see everything would fit plywood parts cut outline drilled mounting frame photo shows resulteverything fits great back construction sequence Stage 16 really liked arrangement mounting radio equipment As see enough room mount air amount gear plywood plates final radio installation will shown another column well try out 5X81 Watson sensor installed note building Helicopter fixed-wing airplane mat terplan installation carefully case stuck locations recommended Schluter four servos battery receiver switch room install fifth servo desired course accessory device such 1 28 Model Aviation R/C PILOT LOGBOOK L P0 Box 3957 Torrance CA 90510 Watson sensor Stage 17 fuselage casings molded PVC chose join halves per instruc tions using PVC glue Elmers Plastic Mender although understand builders prefer Hot Stuff must admit Hot Stuff equivalent makes sense since casings can aligned prior application glue wicked Clothespins straight pins may used alignment clamping method regardless glue type chosen Once casings cut Out joined trimmed finishing touches applied again finished machine will shown later chose try Pactra Formula U aviation yellow sprayand blew Formula U isagreatproduct applied properly first try went little thick first coat Wow will run read instructions Several thin coats give better finish rear fuselage looked much better first try spraying light coat following coat slightly heavier after waiting about 1 5 minutes Preparation plastic surface important best results roughen plastic painted using Scotch Brite pads available body shops auto supply stores Acceptable finishes may applied using epoxy paints automotive acrylic surface coat must primer tinted canopy look can applying Testors transparent colors inside canopy Schluters stick-on decals fuel proof must wiped off after flight protected clear fuel-proof coating Stage 18 Pushrod installation straight forward again detail later column Well thats about As soon repaint front end bird Im going flying Maybe 5X81 will get good enough fly Schluter Cup Eastern Helicopter Contest Statesville NC October 3 4 youd like join us contact Juette Forehand CD 704 872-2249 Billy Harris 704 527-2843 Walt Schoonard 305 422-1531 919 6680107 details Helicopter fliers welcome no matter what machines flown pro ficiency level pilot Dave Chesney Rt 9 Box 62JA Greensboro NC 27409 FF Duration/Meuser Continued page 59 presses new airfoils pop up time Thoughtfully Malkin has provided forms back fill coordinates sketches yourself Also included short chapter airfoil plotting should ease pain plotting up foils desired chord width also list suggested airfoils various types models Somewhat disconcerting absence nose-radius specifications Toils perhaps simply werent available list sources coordinates might have helpful although readers probably wouldnt have worth additional cost Decades ago magazine scrambled co ordinates designations have wrongly identified popular airfoils ever since would question whether publish correct coordinates designations ones popular usage Decisions decisions book available NFFS Plans Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $660 regular NFFS handling charges apply copy WHAT RIC BOOK has complete data about niore 2100 different R/C products over 250 different R/C companies plus beginners tips R/C experts ITS THIS YEARS EDITION OF THE RIC reference book ever really need AVAILABLE THROUGH YOUR LOCAL HOBBY SHOP OR SEND $950 $795 plu $155 postage haialling V residents add 4% ale tax RIC BUYERS GUIDE Clifton House Clifton VA 22024 BLB.I. PO BOX PJ fUeKWWyHIffrD LA MESA CALIF 92041 WPHONE 714 4999975 714 4424438 ATTENTION ERS EPOXY GLASS COWLS FOR NOSEN PICA Sb MORGAN BALSA USA PM U CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER PIUS & SCALE SUPER CUB FOEKER 0-7 BOEING P-IS P-SB P482 F4B4 SPARROW I/A WK GEE BEE MOO r MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STAROUSTER II A SCALE 13-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE & OTHERS WHEEL PANTS FOR CITABRIA STAROUS TER II PIUS SKYBOLT LIBERIYSPORT CHRISTEN EAGLE PBEHA WK STEARMAN STINSON SR-B MULLIGAN ft OTHERS BRAZED& HEAT-TREATED WIREGEARSEECABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers wish fiberglass parts plansWrise call us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CiTY Ml 48135 PHONE 313 421-6358 October 1981 129 ilL hEW LACEY M-1O II PEANUT KITS $495 EACH LACEY M15COUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES M19 ANDRESONDRUINE cOMPlETE CAT#UOG $100 HARD TO FiND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS
Edition: Model Aviation - 1981/10
Page Numbers: 51, 127, 128, 129
Radio Control Helicopters Dave Chesney THIS MONTH well introduce latest Schlu ter Helicopter go through some construction have seen SX8 1 have built flown Schluter Heliboy Bell 222 will recognize components SX8 1 SX8 extension proven Schluter components called System 80 System 80 concept combinations combining Schluter sub-assemblies such drive trains rotor heads fuselages several differ ent Helicopters become available possibilities future Heliboy base system As first introduced Bell 222 fuselage could surround Heliboy mechanics Two combinations came four fixed collective pitch head introduced Heliboy Bell 222 high center gravity framework Heliboy/Bell 222 allowed introduction HO 105 associated four-blade rotor head came Bell Jet Ranger fuselage sharing Heliboy drive train frame flex shaft drive tail rotor done BOlOS new design framework drive train introduced Cheyenne again flex-shaft tail rotor low silhouette Cheyenne framework became base SX8l Helicopters System 80 can share same rotor head either fixed collective pitch head collective head aerobatic exten sion flybarless option four-blade flybar less head share basic tail rotor gear box So little picking choosing few bucks might want build up Heliboy fuselage four-blade head 5X81 tail boom autorotation clutch floatsor perhaps less exotic combination System 80 least modification kit will offered some combinations may require buying basic Heli copter kit adding components Contact Schlu ter USA Inc 2594 North Orange Blossom Trail Orlando FL 32804 assistance 5X81 kit part number 2706 consists two boxes containing mechanical parts ac cessories hardware PVC cabin fuse lage parts snapped up instruction manual translation manual German first look 5X8 1 first reading English instructions left feeling though construction would somehow complicated Continued page 127 October1981 51 uave just couiant resist quick Trame-up AO1 eariy tne assemoiy stages i ne protiie OT ship similar some full-scale military choppers Low profile SX81 shown after installation engine avIu cooling shroud Simpler drive system definite plus Five six plywoodparts shown Dave followed printed cut lines found fit perfect Metalwork goes together fast canopy attaches screwing rear casing nice ana aimpie Plywood supports radio gear easily accessible nis view snows rear Cd5iI95 aiu fldUIIICUI dttdsaIrIeuuts yew tiuct fins can shortened up 1 still provide TIR protection workers should also protected lap count ers should least have chain-link fence barricade details set up race just write AMA ask Pylon Race Procedure Guide Making good profit also important club helps lot have small concession stand set up field doesnt need fancy people enjoy soft drinks hot dogs some type goodies Coffee donuts always make big hit first thing morning wives club members can help Out baking cookies brownies cupcakes Dont sell cheap off-brand soft drinks because people often wont buy can buy items need wholesale brand-name soft drink com panies will sell good price Some soft drink companies have concession trailers will let use contest Sell items fair price club makes some profit course will work unless have publicized event areas TV radio stations will glad help publicize contest need contact right people Newspapers will also help out need contact people well advance give good information contest make good effort spend little time club will have good profitable contest Good luck Bill Hager 706 Glen Haven Drive Conroe TX 77302 RC Helicopters/Chesney Continued page 51 process due wording liberal reference various screw sizes part numbers ever things started fall place package parts opened stage referenced booklet initial framework construction used addition tools supplied kit screwdriver needle-nose pliers small X-Acto file set plastic grease gun filled special grease also supplied kit little grease gun previously sent Miniature Aircraft Supply available $150 extremely useful putting grease wanted As Heliboy article few years back Ill limit comments just stages experienced difficulty found something feel noteworthy framework 5X8 1 course basis high center gravity PVC fuselage will later surround mechanics engine position shaft down versus shaft up Heliboy engine position yields low profile also associated drive system simpler drive system set up drive system virtually self-aligning Step 3 gave some difficulty beginning use washers provide clearance gear 170 lower side framesthis after deter mining clearance clutch housing nylon gear 170 Once both installed clutch shaft assembly 169 found clear ances required washer between clutch clutch bell instructions call two washers two washers between clutch bell upper bearing block per instruction three washers between lower bearing block nylon gear instructions specify order toprovide running clearance between special nuts nylon gear lower side frames fuselage Once nylon gear attached clutch/shaft assembly using special nuts M4x 15 screws assembly sequence long end shaft two washers check clutch housing nylon gear clearance two washers bearing block 1 3 1 Brg down bottom three washers bearing block 131 Brg up balance assembly through Stage 4 no problem Stage 5 toggle lever installation called M3x35 screw retain lever 476 support bearing block fuselage side frames photo instruction showed M3 self-lock nut screwed M3x35 however found exposed threads ofM3x35 insufficient engage self-lock chose use standard M3 nut Blue Loctite instead photo Stage 5 also showed compensating lever 358 tached toggle 476 written instructions October 1981 127 AND FLIGHT RECORD AIRCRAFT FLOWN SOLO/DUAL TIME FLYING FIELDS FLIGHT INSTRUCTOR TOTAL HOURS WEATHER CONDITIONS FLIGHT DURATION TRIM ADJUSTMENTS ALL OF THE ABOVE AND MORE CAN BE ENTERED IN YOUR OWN PERSONAL FLIGHT LOG HERE FOR THE FIRST TIME IS R/C LOGBOOK DESIGNED SPECIFICALLY FOR THE PILOT OF MINITIATURE AIRCRAFT WHATEVER YOUR PARTICULAR SKILL LEVEL MAY BE THE LOGBOOK WILL ADD TO YOUR ENJOYMENT OF R/C FLYING LOGBOOK HAS DURABLE HARD-BOUND COVER AND CONTAINS SUFFICIENT PAGES TO RECORD YEARS OF FLYING BY THE AVERAGE R/C PILOT 1981 BY CHAMPION HOBBIES $695 EACH POSTAGE PAID OHIO RESIDENTS ADD 325 SALES TAXI DEALER/DISTRIBUTOR INQUIRIES WELCOME RUBBER STRIP FAI RUBBER Made USA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 Ounces rubber per box PRICE $1200 per box postpaid USA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB Fuel DT $1150 ea plus 10% UPS Sole US Distributors & World-wide Sales Send 25 1981 catalog __ FAI Model Supply CHAMPION HOBBIES 3715 REEMELIN CINCINNATI OHIO 45211 Phone 513-481-6961 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Mail Order Specials List Price $125 ea 6for 595 12 1100 50 4200 Postage paidClub Discounts Avail1 Send check money order ACCU-FLITE 1111 PLUM DR CROWNSVILLE MD 21032 did indicate attachment Although Bag 5 contained screws washers install armno arm Check BagS arm missing just contact Schluter USA prompt replace ment Stage 6 Again found self-lock nuts would engage fully sol chose use washer M3x30 screw retaining PVC bearing lock between side frames have built Heliboy youll appreciate Stage 7 lineup drive gear certainly easier proper lineup Heliboy starting shaft comment design drive unit requires 61 engine -in crankshaft have favorite engine type metal gear 173 may require some machining dont just drillplease use lathe dial indicator fit crankshaft machine counterbore gear old standard Max 6OFSR engine stub shaft its crankshaft Watch engine selections thats t right down thrust washer some machining time make favorite engine fit Schlulter USA will bore gears special fit requested new kit spare gear ordered Stage 9 gosh sakes pay attention gear arrangement instructions hR drive reduction gearing Schluter Heli copters Heliboy 5X8 Cheyenne Miniboy use reduction gearing Putting gears backwards dangerous since speed could throw T/R blades Stage 10 see August MA column latest Schluter T/R modification neces sary Although parts supplied latest mod instructions earlier version prior black plastic blade holders associated retainers Watch out make sure Loctite applied hub screw otherwise Loctite may wick bearing Stages 11 12 13 gave no problem Ill again mention head lock device see Septem ber find makes dandy assembly aid head lock keeps flybar pivoting installing other head components As usual installed Option 13 standard head leftover pieces flybarless modification requires special weighted rotor blades about three rotor heads kit might add some subtle changes head have made since Heliboy since assembly sequences functions remain same will detail improvements Stage 14 Go ahead reinforce blade root fiberglass cloth resin fiberglass cloth Hot Stuff Stage 15 tank clamps should hand-bent hold tank snugly clamps just formed around tank fit will loose tank will secured properly point jumped gun started cutting out servo mounts plastic casings such just see everything would fit plywood parts cut outline drilled mounting frame photo shows resulteverything fits great back construction sequence Stage 16 really liked arrangement mounting radio equipment As see enough room mount air amount gear plywood plates final radio installation will shown another column well try out 5X81 Watson sensor installed note building Helicopter fixed-wing airplane mat terplan installation carefully case stuck locations recommended Schluter four servos battery receiver switch room install fifth servo desired course accessory device such 1 28 Model Aviation R/C PILOT LOGBOOK L P0 Box 3957 Torrance CA 90510 Watson sensor Stage 17 fuselage casings molded PVC chose join halves per instruc tions using PVC glue Elmers Plastic Mender although understand builders prefer Hot Stuff must admit Hot Stuff equivalent makes sense since casings can aligned prior application glue wicked Clothespins straight pins may used alignment clamping method regardless glue type chosen Once casings cut Out joined trimmed finishing touches applied again finished machine will shown later chose try Pactra Formula U aviation yellow sprayand blew Formula U isagreatproduct applied properly first try went little thick first coat Wow will run read instructions Several thin coats give better finish rear fuselage looked much better first try spraying light coat following coat slightly heavier after waiting about 1 5 minutes Preparation plastic surface important best results roughen plastic painted using Scotch Brite pads available body shops auto supply stores Acceptable finishes may applied using epoxy paints automotive acrylic surface coat must primer tinted canopy look can applying Testors transparent colors inside canopy Schluters stick-on decals fuel proof must wiped off after flight protected clear fuel-proof coating Stage 18 Pushrod installation straight forward again detail later column Well thats about As soon repaint front end bird Im going flying Maybe 5X81 will get good enough fly Schluter Cup Eastern Helicopter Contest Statesville NC October 3 4 youd like join us contact Juette Forehand CD 704 872-2249 Billy Harris 704 527-2843 Walt Schoonard 305 422-1531 919 6680107 details Helicopter fliers welcome no matter what machines flown pro ficiency level pilot Dave Chesney Rt 9 Box 62JA Greensboro NC 27409 FF Duration/Meuser Continued page 59 presses new airfoils pop up time Thoughtfully Malkin has provided forms back fill coordinates sketches yourself Also included short chapter airfoil plotting should ease pain plotting up foils desired chord width also list suggested airfoils various types models Somewhat disconcerting absence nose-radius specifications Toils perhaps simply werent available list sources coordinates might have helpful although readers probably wouldnt have worth additional cost Decades ago magazine scrambled co ordinates designations have wrongly identified popular airfoils ever since would question whether publish correct coordinates designations ones popular usage Decisions decisions book available NFFS Plans Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $660 regular NFFS handling charges apply copy WHAT RIC BOOK has complete data about niore 2100 different R/C products over 250 different R/C companies plus beginners tips R/C experts ITS THIS YEARS EDITION OF THE RIC reference book ever really need AVAILABLE THROUGH YOUR LOCAL HOBBY SHOP OR SEND $950 $795 plu $155 postage haialling V residents add 4% ale tax RIC BUYERS GUIDE Clifton House Clifton VA 22024 BLB.I. PO BOX PJ fUeKWWyHIffrD LA MESA CALIF 92041 WPHONE 714 4999975 714 4424438 ATTENTION ERS EPOXY GLASS COWLS FOR NOSEN PICA Sb MORGAN BALSA USA PM U CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER PIUS & SCALE SUPER CUB FOEKER 0-7 BOEING P-IS P-SB P482 F4B4 SPARROW I/A WK GEE BEE MOO r MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STAROUSTER II A SCALE 13-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE & OTHERS WHEEL PANTS FOR CITABRIA STAROUS TER II PIUS SKYBOLT LIBERIYSPORT CHRISTEN EAGLE PBEHA WK STEARMAN STINSON SR-B MULLIGAN ft OTHERS BRAZED& HEAT-TREATED WIREGEARSEECABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers wish fiberglass parts plansWrise call us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CiTY Ml 48135 PHONE 313 421-6358 October 1981 129 ilL hEW LACEY M-1O II PEANUT KITS $495 EACH LACEY M15COUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES M19 ANDRESONDRUINE cOMPlETE CAT#UOG $100 HARD TO FiND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS
Edition: Model Aviation - 1981/10
Page Numbers: 51, 127, 128, 129
Radio Control Helicopters Dave Chesney THIS MONTH well introduce latest Schlu ter Helicopter go through some construction have seen SX8 1 have built flown Schluter Heliboy Bell 222 will recognize components SX8 1 SX8 extension proven Schluter components called System 80 System 80 concept combinations combining Schluter sub-assemblies such drive trains rotor heads fuselages several differ ent Helicopters become available possibilities future Heliboy base system As first introduced Bell 222 fuselage could surround Heliboy mechanics Two combinations came four fixed collective pitch head introduced Heliboy Bell 222 high center gravity framework Heliboy/Bell 222 allowed introduction HO 105 associated four-blade rotor head came Bell Jet Ranger fuselage sharing Heliboy drive train frame flex shaft drive tail rotor done BOlOS new design framework drive train introduced Cheyenne again flex-shaft tail rotor low silhouette Cheyenne framework became base SX8l Helicopters System 80 can share same rotor head either fixed collective pitch head collective head aerobatic exten sion flybarless option four-blade flybar less head share basic tail rotor gear box So little picking choosing few bucks might want build up Heliboy fuselage four-blade head 5X81 tail boom autorotation clutch floatsor perhaps less exotic combination System 80 least modification kit will offered some combinations may require buying basic Heli copter kit adding components Contact Schlu ter USA Inc 2594 North Orange Blossom Trail Orlando FL 32804 assistance 5X81 kit part number 2706 consists two boxes containing mechanical parts ac cessories hardware PVC cabin fuse lage parts snapped up instruction manual translation manual German first look 5X8 1 first reading English instructions left feeling though construction would somehow complicated Continued page 127 October1981 51 uave just couiant resist quick Trame-up AO1 eariy tne assemoiy stages i ne protiie OT ship similar some full-scale military choppers Low profile SX81 shown after installation engine avIu cooling shroud Simpler drive system definite plus Five six plywoodparts shown Dave followed printed cut lines found fit perfect Metalwork goes together fast canopy attaches screwing rear casing nice ana aimpie Plywood supports radio gear easily accessible nis view snows rear Cd5iI95 aiu fldUIIICUI dttdsaIrIeuuts yew tiuct fins can shortened up 1 still provide TIR protection workers should also protected lap count ers should least have chain-link fence barricade details set up race just write AMA ask Pylon Race Procedure Guide Making good profit also important club helps lot have small concession stand set up field doesnt need fancy people enjoy soft drinks hot dogs some type goodies Coffee donuts always make big hit first thing morning wives club members can help Out baking cookies brownies cupcakes Dont sell cheap off-brand soft drinks because people often wont buy can buy items need wholesale brand-name soft drink com panies will sell good price Some soft drink companies have concession trailers will let use contest Sell items fair price club makes some profit course will work unless have publicized event areas TV radio stations will glad help publicize contest need contact right people Newspapers will also help out need contact people well advance give good information contest make good effort spend little time club will have good profitable contest Good luck Bill Hager 706 Glen Haven Drive Conroe TX 77302 RC Helicopters/Chesney Continued page 51 process due wording liberal reference various screw sizes part numbers ever things started fall place package parts opened stage referenced booklet initial framework construction used addition tools supplied kit screwdriver needle-nose pliers small X-Acto file set plastic grease gun filled special grease also supplied kit little grease gun previously sent Miniature Aircraft Supply available $150 extremely useful putting grease wanted As Heliboy article few years back Ill limit comments just stages experienced difficulty found something feel noteworthy framework 5X8 1 course basis high center gravity PVC fuselage will later surround mechanics engine position shaft down versus shaft up Heliboy engine position yields low profile also associated drive system simpler drive system set up drive system virtually self-aligning Step 3 gave some difficulty beginning use washers provide clearance gear 170 lower side framesthis after deter mining clearance clutch housing nylon gear 170 Once both installed clutch shaft assembly 169 found clear ances required washer between clutch clutch bell instructions call two washers two washers between clutch bell upper bearing block per instruction three washers between lower bearing block nylon gear instructions specify order toprovide running clearance between special nuts nylon gear lower side frames fuselage Once nylon gear attached clutch/shaft assembly using special nuts M4x 15 screws assembly sequence long end shaft two washers check clutch housing nylon gear clearance two washers bearing block 1 3 1 Brg down bottom three washers bearing block 131 Brg up balance assembly through Stage 4 no problem Stage 5 toggle lever installation called M3x35 screw retain lever 476 support bearing block fuselage side frames photo instruction showed M3 self-lock nut screwed M3x35 however found exposed threads ofM3x35 insufficient engage self-lock chose use standard M3 nut Blue Loctite instead photo Stage 5 also showed compensating lever 358 tached toggle 476 written instructions October 1981 127 AND FLIGHT RECORD AIRCRAFT FLOWN SOLO/DUAL TIME FLYING FIELDS FLIGHT INSTRUCTOR TOTAL HOURS WEATHER CONDITIONS FLIGHT DURATION TRIM ADJUSTMENTS ALL OF THE ABOVE AND MORE CAN BE ENTERED IN YOUR OWN PERSONAL FLIGHT LOG HERE FOR THE FIRST TIME IS R/C LOGBOOK DESIGNED SPECIFICALLY FOR THE PILOT OF MINITIATURE AIRCRAFT WHATEVER YOUR PARTICULAR SKILL LEVEL MAY BE THE LOGBOOK WILL ADD TO YOUR ENJOYMENT OF R/C FLYING LOGBOOK HAS DURABLE HARD-BOUND COVER AND CONTAINS SUFFICIENT PAGES TO RECORD YEARS OF FLYING BY THE AVERAGE R/C PILOT 1981 BY CHAMPION HOBBIES $695 EACH POSTAGE PAID OHIO RESIDENTS ADD 325 SALES TAXI DEALER/DISTRIBUTOR INQUIRIES WELCOME RUBBER STRIP FAI RUBBER Made USA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 Ounces rubber per box PRICE $1200 per box postpaid USA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB Fuel DT $1150 ea plus 10% UPS Sole US Distributors & World-wide Sales Send 25 1981 catalog __ FAI Model Supply CHAMPION HOBBIES 3715 REEMELIN CINCINNATI OHIO 45211 Phone 513-481-6961 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Mail Order Specials List Price $125 ea 6for 595 12 1100 50 4200 Postage paidClub Discounts Avail1 Send check money order ACCU-FLITE 1111 PLUM DR CROWNSVILLE MD 21032 did indicate attachment Although Bag 5 contained screws washers install armno arm Check BagS arm missing just contact Schluter USA prompt replace ment Stage 6 Again found self-lock nuts would engage fully sol chose use washer M3x30 screw retaining PVC bearing lock between side frames have built Heliboy youll appreciate Stage 7 lineup drive gear certainly easier proper lineup Heliboy starting shaft comment design drive unit requires 61 engine -in crankshaft have favorite engine type metal gear 173 may require some machining dont just drillplease use lathe dial indicator fit crankshaft machine counterbore gear old standard Max 6OFSR engine stub shaft its crankshaft Watch engine selections thats t right down thrust washer some machining time make favorite engine fit Schlulter USA will bore gears special fit requested new kit spare gear ordered Stage 9 gosh sakes pay attention gear arrangement instructions hR drive reduction gearing Schluter Heli copters Heliboy 5X8 Cheyenne Miniboy use reduction gearing Putting gears backwards dangerous since speed could throw T/R blades Stage 10 see August MA column latest Schluter T/R modification neces sary Although parts supplied latest mod instructions earlier version prior black plastic blade holders associated retainers Watch out make sure Loctite applied hub screw otherwise Loctite may wick bearing Stages 11 12 13 gave no problem Ill again mention head lock device see Septem ber find makes dandy assembly aid head lock keeps flybar pivoting installing other head components As usual installed Option 13 standard head leftover pieces flybarless modification requires special weighted rotor blades about three rotor heads kit might add some subtle changes head have made since Heliboy since assembly sequences functions remain same will detail improvements Stage 14 Go ahead reinforce blade root fiberglass cloth resin fiberglass cloth Hot Stuff Stage 15 tank clamps should hand-bent hold tank snugly clamps just formed around tank fit will loose tank will secured properly point jumped gun started cutting out servo mounts plastic casings such just see everything would fit plywood parts cut outline drilled mounting frame photo shows resulteverything fits great back construction sequence Stage 16 really liked arrangement mounting radio equipment As see enough room mount air amount gear plywood plates final radio installation will shown another column well try out 5X81 Watson sensor installed note building Helicopter fixed-wing airplane mat terplan installation carefully case stuck locations recommended Schluter four servos battery receiver switch room install fifth servo desired course accessory device such 1 28 Model Aviation R/C PILOT LOGBOOK L P0 Box 3957 Torrance CA 90510 Watson sensor Stage 17 fuselage casings molded PVC chose join halves per instruc tions using PVC glue Elmers Plastic Mender although understand builders prefer Hot Stuff must admit Hot Stuff equivalent makes sense since casings can aligned prior application glue wicked Clothespins straight pins may used alignment clamping method regardless glue type chosen Once casings cut Out joined trimmed finishing touches applied again finished machine will shown later chose try Pactra Formula U aviation yellow sprayand blew Formula U isagreatproduct applied properly first try went little thick first coat Wow will run read instructions Several thin coats give better finish rear fuselage looked much better first try spraying light coat following coat slightly heavier after waiting about 1 5 minutes Preparation plastic surface important best results roughen plastic painted using Scotch Brite pads available body shops auto supply stores Acceptable finishes may applied using epoxy paints automotive acrylic surface coat must primer tinted canopy look can applying Testors transparent colors inside canopy Schluters stick-on decals fuel proof must wiped off after flight protected clear fuel-proof coating Stage 18 Pushrod installation straight forward again detail later column Well thats about As soon repaint front end bird Im going flying Maybe 5X81 will get good enough fly Schluter Cup Eastern Helicopter Contest Statesville NC October 3 4 youd like join us contact Juette Forehand CD 704 872-2249 Billy Harris 704 527-2843 Walt Schoonard 305 422-1531 919 6680107 details Helicopter fliers welcome no matter what machines flown pro ficiency level pilot Dave Chesney Rt 9 Box 62JA Greensboro NC 27409 FF Duration/Meuser Continued page 59 presses new airfoils pop up time Thoughtfully Malkin has provided forms back fill coordinates sketches yourself Also included short chapter airfoil plotting should ease pain plotting up foils desired chord width also list suggested airfoils various types models Somewhat disconcerting absence nose-radius specifications Toils perhaps simply werent available list sources coordinates might have helpful although readers probably wouldnt have worth additional cost Decades ago magazine scrambled co ordinates designations have wrongly identified popular airfoils ever since would question whether publish correct coordinates designations ones popular usage Decisions decisions book available NFFS Plans Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $660 regular NFFS handling charges apply copy WHAT RIC BOOK has complete data about niore 2100 different R/C products over 250 different R/C companies plus beginners tips R/C experts ITS THIS YEARS EDITION OF THE RIC reference book ever really need AVAILABLE THROUGH YOUR LOCAL HOBBY SHOP OR SEND $950 $795 plu $155 postage haialling V residents add 4% ale tax RIC BUYERS GUIDE Clifton House Clifton VA 22024 BLB.I. PO BOX PJ fUeKWWyHIffrD LA MESA CALIF 92041 WPHONE 714 4999975 714 4424438 ATTENTION ERS EPOXY GLASS COWLS FOR NOSEN PICA Sb MORGAN BALSA USA PM U CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER PIUS & SCALE SUPER CUB FOEKER 0-7 BOEING P-IS P-SB P482 F4B4 SPARROW I/A WK GEE BEE MOO r MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STAROUSTER II A SCALE 13-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE & OTHERS WHEEL PANTS FOR CITABRIA STAROUS TER II PIUS SKYBOLT LIBERIYSPORT CHRISTEN EAGLE PBEHA WK STEARMAN STINSON SR-B MULLIGAN ft OTHERS BRAZED& HEAT-TREATED WIREGEARSEECABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers wish fiberglass parts plansWrise call us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CiTY Ml 48135 PHONE 313 421-6358 October 1981 129 ilL hEW LACEY M-1O II PEANUT KITS $495 EACH LACEY M15COUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES M19 ANDRESONDRUINE cOMPlETE CAT#UOG $100 HARD TO FiND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS
Edition: Model Aviation - 1981/10
Page Numbers: 51, 127, 128, 129
Radio Control Helicopters Dave Chesney THIS MONTH well introduce latest Schlu ter Helicopter go through some construction have seen SX8 1 have built flown Schluter Heliboy Bell 222 will recognize components SX8 1 SX8 extension proven Schluter components called System 80 System 80 concept combinations combining Schluter sub-assemblies such drive trains rotor heads fuselages several differ ent Helicopters become available possibilities future Heliboy base system As first introduced Bell 222 fuselage could surround Heliboy mechanics Two combinations came four fixed collective pitch head introduced Heliboy Bell 222 high center gravity framework Heliboy/Bell 222 allowed introduction HO 105 associated four-blade rotor head came Bell Jet Ranger fuselage sharing Heliboy drive train frame flex shaft drive tail rotor done BOlOS new design framework drive train introduced Cheyenne again flex-shaft tail rotor low silhouette Cheyenne framework became base SX8l Helicopters System 80 can share same rotor head either fixed collective pitch head collective head aerobatic exten sion flybarless option four-blade flybar less head share basic tail rotor gear box So little picking choosing few bucks might want build up Heliboy fuselage four-blade head 5X81 tail boom autorotation clutch floatsor perhaps less exotic combination System 80 least modification kit will offered some combinations may require buying basic Heli copter kit adding components Contact Schlu ter USA Inc 2594 North Orange Blossom Trail Orlando FL 32804 assistance 5X81 kit part number 2706 consists two boxes containing mechanical parts ac cessories hardware PVC cabin fuse lage parts snapped up instruction manual translation manual German first look 5X8 1 first reading English instructions left feeling though construction would somehow complicated Continued page 127 October1981 51 uave just couiant resist quick Trame-up AO1 eariy tne assemoiy stages i ne protiie OT ship similar some full-scale military choppers Low profile SX81 shown after installation engine avIu cooling shroud Simpler drive system definite plus Five six plywoodparts shown Dave followed printed cut lines found fit perfect Metalwork goes together fast canopy attaches screwing rear casing nice ana aimpie Plywood supports radio gear easily accessible nis view snows rear Cd5iI95 aiu fldUIIICUI dttdsaIrIeuuts yew tiuct fins can shortened up 1 still provide TIR protection workers should also protected lap count ers should least have chain-link fence barricade details set up race just write AMA ask Pylon Race Procedure Guide Making good profit also important club helps lot have small concession stand set up field doesnt need fancy people enjoy soft drinks hot dogs some type goodies Coffee donuts always make big hit first thing morning wives club members can help Out baking cookies brownies cupcakes Dont sell cheap off-brand soft drinks because people often wont buy can buy items need wholesale brand-name soft drink com panies will sell good price Some soft drink companies have concession trailers will let use contest Sell items fair price club makes some profit course will work unless have publicized event areas TV radio stations will glad help publicize contest need contact right people Newspapers will also help out need contact people well advance give good information contest make good effort spend little time club will have good profitable contest Good luck Bill Hager 706 Glen Haven Drive Conroe TX 77302 RC Helicopters/Chesney Continued page 51 process due wording liberal reference various screw sizes part numbers ever things started fall place package parts opened stage referenced booklet initial framework construction used addition tools supplied kit screwdriver needle-nose pliers small X-Acto file set plastic grease gun filled special grease also supplied kit little grease gun previously sent Miniature Aircraft Supply available $150 extremely useful putting grease wanted As Heliboy article few years back Ill limit comments just stages experienced difficulty found something feel noteworthy framework 5X8 1 course basis high center gravity PVC fuselage will later surround mechanics engine position shaft down versus shaft up Heliboy engine position yields low profile also associated drive system simpler drive system set up drive system virtually self-aligning Step 3 gave some difficulty beginning use washers provide clearance gear 170 lower side framesthis after deter mining clearance clutch housing nylon gear 170 Once both installed clutch shaft assembly 169 found clear ances required washer between clutch clutch bell instructions call two washers two washers between clutch bell upper bearing block per instruction three washers between lower bearing block nylon gear instructions specify order toprovide running clearance between special nuts nylon gear lower side frames fuselage Once nylon gear attached clutch/shaft assembly using special nuts M4x 15 screws assembly sequence long end shaft two washers check clutch housing nylon gear clearance two washers bearing block 1 3 1 Brg down bottom three washers bearing block 131 Brg up balance assembly through Stage 4 no problem Stage 5 toggle lever installation called M3x35 screw retain lever 476 support bearing block fuselage side frames photo instruction showed M3 self-lock nut screwed M3x35 however found exposed threads ofM3x35 insufficient engage self-lock chose use standard M3 nut Blue Loctite instead photo Stage 5 also showed compensating lever 358 tached toggle 476 written instructions October 1981 127 AND FLIGHT RECORD AIRCRAFT FLOWN SOLO/DUAL TIME FLYING FIELDS FLIGHT INSTRUCTOR TOTAL HOURS WEATHER CONDITIONS FLIGHT DURATION TRIM ADJUSTMENTS ALL OF THE ABOVE AND MORE CAN BE ENTERED IN YOUR OWN PERSONAL FLIGHT LOG HERE FOR THE FIRST TIME IS R/C LOGBOOK DESIGNED SPECIFICALLY FOR THE PILOT OF MINITIATURE AIRCRAFT WHATEVER YOUR PARTICULAR SKILL LEVEL MAY BE THE LOGBOOK WILL ADD TO YOUR ENJOYMENT OF R/C FLYING LOGBOOK HAS DURABLE HARD-BOUND COVER AND CONTAINS SUFFICIENT PAGES TO RECORD YEARS OF FLYING BY THE AVERAGE R/C PILOT 1981 BY CHAMPION HOBBIES $695 EACH POSTAGE PAID OHIO RESIDENTS ADD 325 SALES TAXI DEALER/DISTRIBUTOR INQUIRIES WELCOME RUBBER STRIP FAI RUBBER Made USA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 Ounces rubber per box PRICE $1200 per box postpaid USA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB Fuel DT $1150 ea plus 10% UPS Sole US Distributors & World-wide Sales Send 25 1981 catalog __ FAI Model Supply CHAMPION HOBBIES 3715 REEMELIN CINCINNATI OHIO 45211 Phone 513-481-6961 AT LAST Hard Break Fibre-Filled Prop Size 10/6 Mail Order Specials List Price $125 ea 6for 595 12 1100 50 4200 Postage paidClub Discounts Avail1 Send check money order ACCU-FLITE 1111 PLUM DR CROWNSVILLE MD 21032 did indicate attachment Although Bag 5 contained screws washers install armno arm Check BagS arm missing just contact Schluter USA prompt replace ment Stage 6 Again found self-lock nuts would engage fully sol chose use washer M3x30 screw retaining PVC bearing lock between side frames have built Heliboy youll appreciate Stage 7 lineup drive gear certainly easier proper lineup Heliboy starting shaft comment design drive unit requires 61 engine -in crankshaft have favorite engine type metal gear 173 may require some machining dont just drillplease use lathe dial indicator fit crankshaft machine counterbore gear old standard Max 6OFSR engine stub shaft its crankshaft Watch engine selections thats t right down thrust washer some machining time make favorite engine fit Schlulter USA will bore gears special fit requested new kit spare gear ordered Stage 9 gosh sakes pay attention gear arrangement instructions hR drive reduction gearing Schluter Heli copters Heliboy 5X8 Cheyenne Miniboy use reduction gearing Putting gears backwards dangerous since speed could throw T/R blades Stage 10 see August MA column latest Schluter T/R modification neces sary Although parts supplied latest mod instructions earlier version prior black plastic blade holders associated retainers Watch out make sure Loctite applied hub screw otherwise Loctite may wick bearing Stages 11 12 13 gave no problem Ill again mention head lock device see Septem ber find makes dandy assembly aid head lock keeps flybar pivoting installing other head components As usual installed Option 13 standard head leftover pieces flybarless modification requires special weighted rotor blades about three rotor heads kit might add some subtle changes head have made since Heliboy since assembly sequences functions remain same will detail improvements Stage 14 Go ahead reinforce blade root fiberglass cloth resin fiberglass cloth Hot Stuff Stage 15 tank clamps should hand-bent hold tank snugly clamps just formed around tank fit will loose tank will secured properly point jumped gun started cutting out servo mounts plastic casings such just see everything would fit plywood parts cut outline drilled mounting frame photo shows resulteverything fits great back construction sequence Stage 16 really liked arrangement mounting radio equipment As see enough room mount air amount gear plywood plates final radio installation will shown another column well try out 5X81 Watson sensor installed note building Helicopter fixed-wing airplane mat terplan installation carefully case stuck locations recommended Schluter four servos battery receiver switch room install fifth servo desired course accessory device such 1 28 Model Aviation R/C PILOT LOGBOOK L P0 Box 3957 Torrance CA 90510 Watson sensor Stage 17 fuselage casings molded PVC chose join halves per instruc tions using PVC glue Elmers Plastic Mender although understand builders prefer Hot Stuff must admit Hot Stuff equivalent makes sense since casings can aligned prior application glue wicked Clothespins straight pins may used alignment clamping method regardless glue type chosen Once casings cut Out joined trimmed finishing touches applied again finished machine will shown later chose try Pactra Formula U aviation yellow sprayand blew Formula U isagreatproduct applied properly first try went little thick first coat Wow will run read instructions Several thin coats give better finish rear fuselage looked much better first try spraying light coat following coat slightly heavier after waiting about 1 5 minutes Preparation plastic surface important best results roughen plastic painted using Scotch Brite pads available body shops auto supply stores Acceptable finishes may applied using epoxy paints automotive acrylic surface coat must primer tinted canopy look can applying Testors transparent colors inside canopy Schluters stick-on decals fuel proof must wiped off after flight protected clear fuel-proof coating Stage 18 Pushrod installation straight forward again detail later column Well thats about As soon repaint front end bird Im going flying Maybe 5X81 will get good enough fly Schluter Cup Eastern Helicopter Contest Statesville NC October 3 4 youd like join us contact Juette Forehand CD 704 872-2249 Billy Harris 704 527-2843 Walt Schoonard 305 422-1531 919 6680107 details Helicopter fliers welcome no matter what machines flown pro ficiency level pilot Dave Chesney Rt 9 Box 62JA Greensboro NC 27409 FF Duration/Meuser Continued page 59 presses new airfoils pop up time Thoughtfully Malkin has provided forms back fill coordinates sketches yourself Also included short chapter airfoil plotting should ease pain plotting up foils desired chord width also list suggested airfoils various types models Somewhat disconcerting absence nose-radius specifications Toils perhaps simply werent available list sources coordinates might have helpful although readers probably wouldnt have worth additional cost Decades ago magazine scrambled co ordinates designations have wrongly identified popular airfoils ever since would question whether publish correct coordinates designations ones popular usage Decisions decisions book available NFFS Plans Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Price $660 regular NFFS handling charges apply copy WHAT RIC BOOK has complete data about niore 2100 different R/C products over 250 different R/C companies plus beginners tips R/C experts ITS THIS YEARS EDITION OF THE RIC reference book ever really need AVAILABLE THROUGH YOUR LOCAL HOBBY SHOP OR SEND $950 $795 plu $155 postage haialling V residents add 4% ale tax RIC BUYERS GUIDE Clifton House Clifton VA 22024 BLB.I. PO BOX PJ fUeKWWyHIffrD LA MESA CALIF 92041 WPHONE 714 4999975 714 4424438 ATTENTION ERS EPOXY GLASS COWLS FOR NOSEN PICA Sb MORGAN BALSA USA PM U CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER PIUS & SCALE SUPER CUB FOEKER 0-7 BOEING P-IS P-SB P482 F4B4 SPARROW I/A WK GEE BEE MOO r MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELLAS STAROUSTER II A SCALE 13-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE & OTHERS WHEEL PANTS FOR CITABRIA STAROUS TER II PIUS SKYBOLT LIBERIYSPORT CHRISTEN EAGLE PBEHA WK STEARMAN STINSON SR-B MULLIGAN ft OTHERS BRAZED& HEAT-TREATED WIREGEARSEECABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers wish fiberglass parts plansWrise call us T & D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CiTY Ml 48135 PHONE 313 421-6358 October 1981 129 ilL hEW LACEY M-1O II PEANUT KITS $495 EACH LACEY M15COUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES M19 ANDRESONDRUINE cOMPlETE CAT#UOG $100 HARD TO FiND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS