Helicopters Larry Jolly REVIEW CMI Fox Last month told little about new CMI Fox As promised now have information following prepared Dave Robertson gives us good preview machine Fox new high-tech design KG manufacturing Japan drive train essentially same Robinson R-22hp gearing change rotor head like R-22 head flybar dampening control added tail boom covered white heat-shrink tubing tail fins cut plywood easily covered MonoKote overall effect completed model very eye-appeal ing Power plant clutch engine mounts inverted line tail boom starting-cone/flywheel point ing out back side frames Align ment critical no starting shaft contend engine started directly like conventional model airplane no problem starter jumping off starting cone doing damage rotor head other kits clutch typical steel split half moon shoe flex points drilled behind clutch assembly little farther other kits allow partial shroud direct air over bottom little higher engine speed before clutch engine system very simple engagement adequate allowing easy Initial power transfer via belt access carburetor tail drive assembly drives steel Drive train autorotation clutch main rotor gear system easy set drive train combination belt up should wear well over long period gear drives As mentioned earlier enof time gine drives belt up tail-drive Fuel tank engine cooling fuel assembly tail-drive assembly tank mountedjust ahead engine forward bevel gear engages main close being perfectly line rotor drive gear mounted carburetor Engine cooling via newly- Cnntinupd tin nn~ 142 designed high-efficiency impeller mounted October 1985 55 u0. mm mniu mu u u 65 AH84 Apac, nuw soviet Mi-28 Havoc NATO code-name Most Larrys column month devoted in-depth examination California Mode Imports new Fox 60-size machine good both aerobatics sport flying Heres business end Fox canopy removed Exceptionally neat clean installation Color photo reveals almost equipment structure blackwere sure will look B&W engine Enya 60 mounts inverted drives rotor system via toothed belt Note easy access starter cone carb fuel tank Beautifully-crafted rotor head anodized blackmay show up well Note flybar servo-paddles Larrys guest reviewer Dave Robertson expresses great admiration forthe design features qualityof Fox FOR SERIOUS MODELERS ONLY New PistonlRod Reset Tool * & Piston Holder Set Now can easily extend life Cox 020 049/051 09 engine Whether youre free-flight control-line 1/2-A pylon racing time ball-socket area piston can become too loose continued high RPM output new tool Cox Hobbies piston/rod reset tool set designed support piston no chance damage crucial piston crown area properly re-set ball socket will insure continued top performance winning Diston/cylinder combination case hardened racers want promote Rac ing Well what better way through column Come gang about some help See next month Bill Hager 706 Glen Haven Dr Conroe TX 7738S RC Helicopters/Jolly Continued page 55 bottom main rotor shaft main gear steel nice deep teeth gears can set slight play worrying about stripping teeth swashplate does have ball bearing parts pressed over inner outer races Rather swash plate bearing linkage attachment points line maintain true cyclic inputs Ball-bearing swashplates used some other kits tend wear eventually become sloppy mention alumi num parts coming off bearing new design swashplate should wear much longer giving true transfer cyclic controls Main rotor system Along MCS micro-control system rotor head makes system work beautifully machined features tri hinged system head can flap top center hinge bolt blade can cone independently lower blade hinge bolt allows blade actu ally fly set its own coning angle inde pendently other blade tracking blades set blades truly pitched same dampening adjustable via nutand-plate system bottom head Tightening nut increases rigidity rotor system equally both blades head also features three bearings blade holder Inner outer ball bearings support feathering action massive outer thrust bearing absorbs centrifugal loads also bearings support flybar Bell/Hiller mixers flybar carrier head designed wear well give precise steering control blade axles set forward head center masses rotor blades close center rotor head Main rotor blades main rotor blades True-Spin blades four-part laminates slotted accept blade weights add blade inertia during autorotation make easier auto approaches cov ered shrink tubing make strong attractive Tail rotor gear box tail rotor gear box nicely-machined aluminum sembly two bearings support input shaft pitch-change wire slides through hollow steel tail rotor shaft exits down 900 bend tail rotor bellcrank has ball built end pitch-change wire slides through ball gives very precise tail rotor control allowing angle pitch-change wire move easily precisely advanced tail-pitch-control system yet designed gearbox filled grease open end sealed plastic plate rear tail-drive assembly tube mounted aft end driving tail-drive wire tube flattened out accepts tail-drive wire also flattened out tail rotor system also has flattened tube tail assembly together no way tail can fail setscrews vibrate loose simple solid arrangement taildrive wire supported rubber block having plastic tube center comes installed about center boom gear ratio engine mainrotoris9Oto 1 1to4Sfromthe main rotor tail rotor engine turns 12500 rpm gives main rotor speed about 1400 tail rotor speed 6250 ratios excellent giving good disc rigidity forward flight excellent tail authority both flying hovering maneuvers Main-rotor-disc havior strong touchy desirable good competition work well smooth sport flying autorotation clutch mounted beMODEL MOTOR MUGJM high quality totally glazed ceramic engine mug must modeler Standing 5/2 inches tall large 10 oz capacity its real attention getter definite collectors piece years come Only Plus $200 postage handling per order CA residents add sales tax REPLACEMENT PARTS FOR Kraft Engines Testorl McCoy TuIpan 40 RJL ENGINES Call Only Factory Source RJL INDUSTRIES Free Parts Catalog Available RIL Industries e PO Box 5654 e Pasadena CA 91107 Phone 818 359-0016 142 Model Aviation yROOuCrON IN STOCK FOR IMMEDIATE SHIPMENT NEW RA SOS$19995 New Onodre 35 CDI$10995 Reg Qoodr 35 59995 Briniqhell flywheel$11995 Req Onodra 35 Power Aneenbly Only5645$ OUADRA REPAIR51000 plo portel Jin Mentor ERCOUPEPLANS $2395 KIT $23995 Jim Mower TOMAHAWKPLANS $2395 KIT $25995 Jin MenoerBBALLTRAINERPLANS $2395 KIT $21495 Jiw Meeser ACROBATPLANS $1995 KIT 522495 New ZENOAH G23 $13995ZENOAH G39 $ 9995 FLOATS 361/5 noolecore $1795cowplete hi $3995 FLOATS 45 1/400eleonren $2195cowplete kit $4795 15 WWI WHEELS 2595 P&W CVIS FLEET 151$2595 PLANS SUPER STEARMAN 1/4 IIlod$reyl $2995 1/3 TAYLORCRAFTor 1/3 CUB Nelito $2995 VOLKSPLANE 1/2Chioken Charlie $2395 COCKPIT KITS Towohowh FM/i Spitfire ME-159 $2295 Erooope Fleet J3 Cob PSE P47 C Eagle $2195 Citobrin $2495 Zero $2695 Zero enterior $1095 US Ooedre FUEL TANKS160 $69532, $795 FIBERGLASS ARROW SHAFTS 5/16032 long 6/sloW 24-Hour Service 5250 postage Send Bank Check Money Order JIM MESSERS QUALTIY MODEL PRODUCTS Volley View Boo 43 Allegony N Y 14706 tween side frames tail-drive assembly type system very much like way freewheeling unit set up full-size helicopter gives flyable tail rotor during autorotations Main frames landing gear main frames aircraft aluminum anodized black fit together well form extremely strong three-sided box stronger other metalframed Helicopter market edges side frames rolled corners rounded stress cracks frame will occur landing gear struts made hardened steel wire fit aluminum skids via neat little clamps 2mm socket-head bolts Main rotor shaft full 10mm diameter its full length stepped down either end set 17mm diameter thick-wall aluminum tube giving support main shaft other design bearings top bottom tubing main shaft tubing mounted two thick aluminum plates mounted side frames whole assembly extremely rigid durable New MK II H & K Superstarters Q-35$2495 Q-50$2495 MAG ii$3495 Super Hustler$3495 Zenoah$2495 Tartan Twin$3995 Roper 37$2495 90 Day Warranty system-micro control system taken full-size Robinson R-22hp push-pull system pitch roll supports swash plate sides roll command given rear pushrod does move two front pushrods tilt swashplate right left Pitch elevator commands controlled three pushrods two front rear pushrods working together result nice solid control system Tail rotor blades laminated balsa leading edge hardwood center section two balsa laminates forming trailing edge airfoil Clark Y blades covered heatshrink tubing same main rotor blades Canopy Fox canopy four pieces molded ABS plastic three sections molded white clear windshield three white parts glued together acetone MEK joints flush lap-type joints clear windshield mounted canopy small sheet metal screws bottom canopy notched slide over ZENOAN QUARTZ CUSTOM Dual outlet aluminum muffler Carb rotated needle accessibility cowled Modified Quadra mount 6 bolt prop washer carb linkage Complete assembled shown $14495 ISi 6495 wlsuperstarterl front gear struts wood radio tray supports nose two contact points prevent canopy moving up down clever arrangement makes canopy removal very simple canopy mounted two bolts running through grommets Radio installation Airtronics 550 se ries JR 4000 series Futaba 30 130 series servos drop right metal servo tray Larger servos may used tray filed out fit tail-rotor servo mounts left-hand side frame separate collective servo required make five-servo installation Fox ideally suited newer special Heli copter systems available radio manufacturers 1200 mAh battery recommended some nose weight required anyway extra weight battery will about Instruction manual manual con sists some 50 pictures various line drawings showing blowups detailed semblies text covers phases construction parts list model Rotor head balance well documented showing use High Point balancer Paying close attention manual will yield precisely-built properly set-up good-looking excellently-flying mod el Flying characteristics Hover smooth predictable stable enough make Fox good trainer com bined rugged side frame assembly drive train make exceptionally good purpose Cyclic response solid too quick Forward flight smooth easy manage good general sport machine excellent choice competition new Fox kit good addition anyones fleet excellent first model choice Thanks Dave Robertson formation As can see have included several photos show details new machine Beginners corner last column suggested some guidelines use pur chasing first RC Helicopter Once have new machine carefully remove r SION OF BAR/RICH SALES CO 82 FAIRWAY HANNIBAL MO 63401 13141 221-8803 MANUFACTURERS OF SPORT PATTERNSTINGER II PEPPERMINT PATTIE 60SPARTAN PEPPERMINT PATTIE 40 SPORT/SCALE PEPPERMINT PATTIE 15HIPERBIPE 144 Model Aviation RC VIDEO MAGAZINE PSENTS. PK PRODUCTS Specializing Quadra/Zenoah Sales Service PO Box 6226 Hayward CA 94540Tel 415 581-4277 Eves DEALER INQUIRES IN V/TED ALL ORDERS ADD $200 POSTAGE & HANDLING CALIF RES ADD SALES TAX Winning Ideas FOUFIMOST $ RETRACTABLE TOW HOOK RELEASE Pr ice sa9o V Simplest reliable device available After line released hook retracts body Unit leaving SMOOTH surface bottom aircraft No special attachments required N eight oz 0491051 AIRFLO ENGINE MOUNT REDUCES DRAG VIBRATION FREE 0PRICE $300 PRICE $630 40 AIRFLO ENGINE MOUNT IDEAL FOR GUICKY 500 instructions and/or assembly drawings box Ofttimes parts can mis placed careful handling contents kit warned Now read reread instruction manual Before bolt part another sure thoroughly under stand just what about undertake have tools youll need What about Locktite threads wont ride nylon lock Before start have clean building space ready extremely important have clean spot will let lose parts go about assembling pride joy Assemble machine exactly des cribed instruction manual tempted modify Helicopter have never seen machine modi fied kit function careful moving parts slide freely slop machine securely bolted together Pay particular attention assembly listed critical instance Schluter GMP machine critical starting shaft have little no run-out Believe people wrote instructions kidding poorly-constructed machine can prob ably will fall apart midair Anyway carefully assemble new Helicopter impatient try proceed too rapidlyit will cost time and/or money later months three-view month have brand new first glance bet thought looking Hughes AH64 Apache. right Look again brand-new M128 Havoc Soviet anti-armor anti-helicopter helicopter Vhile intended AH-64 would throw balance power back court NATOs Europe no considered fact Soviets could produce new machine rapidly Although speculate Mil team took fleeting glance drafting tables Mesa AZ nonetheless Soviets favor machine looks much like Apache considering possibilities interesting note Havoc possesses superior armor Apache well superior armament Apache must expose itself its target until its Hellfire missile has landed speak Havoc features fire-andforget AT-6 missiles Im certain will see much machine future BCNU Larry Jolly 5501 West Como Santa Ana CA 92703 2nd Gt Intl Paper/Rice Continued page 57 place Professional category two very tiny highly active aircraft Aesthetics As mentioned before addi tion glue rules really expanded potential submissions category Entries ranged Scale reproductions such very nicely done Boeing Monomail Don Bob Burnham Seattle complete documentation surreal istic spaceships futuristic fantasy fliers addition purely artistic merit though airplanes perform 3-sec 15-ft flight order qualify Japanese entries completed domi nation through event Yasutomi Hokao Kawasakishi Japan receiving first place Non-professional cate gory Masakatsu Omori Fukuoka-shi Japan won Professional award Judge Dr Yasuaki Ninomiya designer Whitewings gliders difficult task selecting two winners multi tude humorous creative skillfullyconstructed entries special exhibit displayed numerous entries form flying discs solid projectiles organizers chosen exclude competition must have aware accepting such loophole entries would have spelled rapid doom future paper airplane events deemed necessary prevent dominating competition entries demonstrated however mass launch about dozen objects delighted assembled press specSay8 th8tOI~que 450 Items Send $200 current catalog ProTechTor STRONG METAL FRAME THERMO MOLDED SHELL FILLED WITH SOFT FOAM GREAT GIFT 951255 RC AIRPLANES BOATS CARS CAMERAS ETC Transmitter Case PRICE $35 Includes shipping Con USA Alaska&Hawaii add S2 CA RessddB% tax OTHER PRODUCTS COMPUTER DISK CASE LOMAR CLAMP building lool PROMOUNT machined engine mounts MC SASE FOR FREE INFO- DEALEARS INVITED BERGERON ENTERPRISES 443 ROBERTA FULLERTON CA 92632 146 Model Aviation OTHER FOURMOST PRODUCTS Fuel Fitting Sets Fuel Shut Off Fuel Manifold Gapless Hinges Gapless Hinge Slotter Strut Fairings Codcpit Coaming FUR~ST Send BASE Complete Information 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 TRAVEL AIR 2000 52 SPAN 1 /2 SCALE 4 CYCLE 4045 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 2069418248
