OS Engines Max 55 HZ Hyper

OS Engines

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This is the O.S. 55HZ Hyper Ringed Helicopter Engine with the 40L Carburetor. The O. S. 55HZ-H Hyper Heli engine is cause to rejoice for 3D heli flyers! The 55-HZ-H Hyper engine cranks out optimum power with a minimum of space!

  • Ideal for 3D flight-power equal to .60 size heli engines
  • Same mounting bolt pattern and silencer size as the OS 50SX-H Hyper
  • Dual needle 40L carburetor with four arm throttle lever for use with a variety of servo brands

Technical Specifications:

Displacement: 8.93cc

Bore: 23mm

Stroke: 23.5mm

Pratical RPM: 2,000-20,000

Output: 2.1hp @ 17,000 RPM

Weight: 408g

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