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  OS 91 HZ Heli Engine
  OS 91 HZ Heli Engine
OS 91 HZ Heli Engine
  
List Price: $479.99
Our Price: $399.99
You save $80.00!


Stock Status:In Stock

Product Code: 4531028019065
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Features
 
 
Features
  • This is the OS 91 HZ Heli Engine.
  • Designed specifically for F3C aerobatic competition
  • Rectangular heat sink allows engine to be enclosed entirely inside
  • cooling shroud
  • 61-B carburetor with thermal insulator to block heat and a needle
  • valve control lever to control mixture from transmitter
  • Newly designed piston and crankshaft for reduced vibration and
  • improved torque stability over entire RPM range
  • Ball bearing supported crankshaft
  • One year limited warranty
  • INCLUDES: O.S. .91 HZ F3C Competition Helicopter Engine with #8 glow plug,
  • needle control lever, extra 0.2mm head gasket, cap screws and
  • instruction manual
  • REQUIRES: Fuel: 10%-30% nitromethane with at least 18% lubricant. Lubricants
  • may be either castor or synthetic oil or castor/synthetic blend.
  • Field Equipment: glow starter, fuel bulb, fuel can filter, fuel pump
  • hexagonal starting shaft (depending on brand of helicopter)
  • electric starter, battery and fuel tubing
  • Muffler- This is specific to the heli
  • SPECS: Displacement: 0.91 cu in (14.95 cc)
  • Bore: 1.09" (27.7mm)
  • Stroke: 0.98" (24.8mm)
  • Output: 3.4 hp @ 15,000 RPM
  • Practical RPM Range: 2000-16,000
  • Weight Without Muffler: 1.36lb (618g)
  • Part # OSMG1975

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