55HZ-H Hyper Ringed Heli Engine w/40L O.S. Engine  [OSMG1955]

The O. S. 55HZ-H Hyper Ringed Heli motor is cause to rejoice for 3D heli leaflets! The 55-HZ-H Hyper Ringed engine cranks out maximum power with at the very least space! The PowerBoost Pipe 50/55 is a preliminary from O.S. ?V designed specifically for helis, increasing effectiveness and power while featuring an excellent size. Besides fits the 50SX-H Hyper Ringed heli motor.

Features the exact same mounting pattern and silencer size because the 50SX-H Hyper motor

Twin needle 40L carburetor with four-arm throttle lever is made to optimize the power, performance and dependability the 55HZ

Produces many different 2,000 - 20,000 rpm

NEEDS

• Stock quantity: OSMG1955
• Displacement: 0.55 cu in (8.93 cc)
• Bore: 0.91 in (23 mm)
• Stroke: 0.85 in (21.5 mm)
• Practical rpm: 2,000-20,000
• Power manufacturing: 2.1 hp @ 17,000 rpm
• Weight: 15.40 oz (408 g)