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Ofna - OFNC1438 OFN14333 14333 023705143339 0023705143339
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Ofna 1/8 Nitro Dirt Oval Hyper Sprint RTR
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Ofna 1/8 Nitro Dirt Oval Hyper Sprint RTR
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Mid May

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Tech Notes
     This is the radio controlled, glow powered, 1/8 scale, ready to run
                   Dirt Oval Hyper Sprint Race Car from Ofna.

FEATURES: Chassis: CNC aluminum 0.12" (3mm) thick, based on the Ofna Hyper 8.5 chassis Drive: Four wheel shaft Radio: Team Hobao 2-channel 27MHz AM with steering and throttle trim and reverse, heavy duty steering and throttle servos, transmitter has charge jack for optional NiCd packs Engine: MacStar 28 .28 cu in (4.6 cu in) with slide valve carburetor remote glow igniter, glow plug, two stage air filter and pull starter Exhaust: Polished aluminum tuned pipe Clutch: Three shoes, composite construction Clutch Bell: 13 tooth steel Fuel Tank: 4.2oz (125cc) Brake: High performance dual steel discs Differentials: Three, planetary gear design Wheels: Plastic, white in color dish type 1.5" (39mm) wide 3.03" (77mm) diameter, 17mm hex size Tires: Front, 1.7" (43mm) wide, 4.6" (116mm) diameter Rear, 2.3" (59mm) wide, 4.8" (123mm) diameter both with foam inserts Shocks: Aluminum body oil filled, 12mm diameter Shock Towers: 0.12" (3mm) thick aluminum Suspension: C-hub, front and rear swaybar Spur Gear: 46 tooth steel Body: Plastic, white in color with decals applied, separate high downforce front, main and rear wings Steering: Bell crank type with servo saver with laydown steering servo position Caster: Adjustable, caster/toe-in refers to the angle of the front suspension when viewed from the side of the car in relation to the chassis Camber: Adjustable, camber refers to the angle of the tops of the tires from vertical when viewed from front or behind vehicle Ackerman: Adjustable, Ackerman refers to the inside front wheel turning faster than the outside front wheel during turns

INCLUDES: Ofna Dirt Oval Sprint kit with MacStar .28 engine, air filter, shocks tuned pipe, glow starter, 2-ch radio, instruction manual, fuel bottle, body, remote glow igniter, decals, front main and rear wings

REQUIRES: AA Cells: Eight for transmitter D Cell: For glow starter Fuel: Car blend with 10-25% nitromethane cantent Building and track equipment

SPECS: Vehicle- Length: 19.7" (500mm) Front Width: 12.2" (309mm) Rear Width: 13.5" (342mm) Height: 14.4" (365mm) Wheelbase: 12.7" (322mm) Weight: 8.3lbs (3770g) ready to run Body- Length: 13.6" (346mm) Width: 4.7" (120mm) Height: 5.5" (140mm) at highest point Carburetor Settings- Throttle Stop Screw: Throttle opening should be about 1mm Needle Valve: 6-1/4 turns counter clockwise from closed Midrange Needle: Factory preset at 1/2 turn counter clockwise from closed (adjustment not recommended)

COMMENTS: For Replacement Ball Bearings use: Qty. Size Location Qty. Bearing Set 4 8x16mm Fr Hubs 2 DTXC1585 4 8x16mm Rear Hubs 2 DTXC1585 2 8x16mm Fr Gearbox 1 DTXC1585 6 8x16mm Differentials 3 DTXC1585 2 5x10mm Clutch 1 DTXC1535 2 8x16mm Rear Gearbox 1 DTXC1585

jxs 3/03/09 ir/jxs

– If you need more information, use these Ofna resources –
Web Site:
Phone: 949-586-2910
  Postal Address:
IRVINE, CA 92618

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Accessories Needed

Accessories for the Ofna 1/8 Nitro Dirt Oval Hyper Sprint RTR

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  Special Stock Number Product Description Parts Saver Eligible Tower's
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 LXCMDE Fuji Batteries AA Alkaline Battery (8)
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7.49   In Stock
 LXCMDM Fuji Batteries D Alkaline Battery (2)
Qty Discount Available
4.89   In Stock
 LXRXC9 Tower Hobbies TOWER Power 20% Car Fuel Quart
Qty Discount Available
7.69   In Stock
Subtotal for this Group of Accessories: 20.07  
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