O.S. 55 HZ-H Hyper Ringed Competition Helicopter Engine

O.S. 55 HZ-H Hyper Ringed Competition Helicopter Engine
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Price: $329.99

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

FEATURES:
  • 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
  • Two year limited warranty through manufacturer beginning at the date of purchase

SPECIFICATIONS:

  • Displacement: 0.55 cu in (8.93 cc)
  • Bore: 0.91 in (23 mm)
  • Stroke: 0.85 in (23.5 mm)
  • Practical rpm: 2,000-17,000
  • Weight: 14.39 oz (408 g)

This product is expected to become available for purchase on Monday, July 5, 2021