O.S. Engines O.S. .50 SX-H Ringed

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Engine Type: 2-Stroke
Displacement: .499 cu. in.
Cylinders: 1
General Specs:
- 1 cylinder
- Displacement: .499 cubic inches
- Bore: .866 (in.)
- Stroke In: .846 (in.)
- Shaft: threaded
- Low RPM: 2000
- High RPM: 20000
- 1.800 bhp @ 17000 RPM
- Weight (no muffler): 14.57 oz.
Applications:
- Standard Helicopter
- Competition Helicopter
- 46-sized Helicopter