O. S. 55HZ Hyper Ringed Heli engine
Stock Number: OSMG1955Displacement: 0.55 cu in (8.93 cc)Bore: 0.91 in (23 mm)Stroke: 0.85 in (21.5 mm)Practical rpm: 2,000-20,000Output: 2.07 hp @ 17,000 rpmWeight: 14.39 oz (408 g)
OS.37SZ-H Ringed Engine
Two-stroke helicopter engine with 8,93ccm glow plug with RC carburetor. Power 1.57 kW (2.13 PS) at 17000 rpm. Weight without shock absorber 429g.
It is a new power boost pipe developed for 50 class helicopters that require higher power year by year. By increasing the capacity of the silencer body, you will realize a more powerful and quiet flight.
50SX-H RING Hyper