O.S. Engine OSMG1951 50SX-H Ringed Hyper Precision Engine  [OSMG1951]

O.S. Engine 50SX-H Ringed Hyper Heli Engine
Price:
£0.00
Brand:
O.S. Engine
Model:
OSMG1951
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O.S. Engine OSMG1951 50SX-H tuned for precision and power

RC helicopter pilots who want a compact, powerful engine will find the O.S. Engine OSMG1951 50SX-H Ringed Hyper well suited to sport and precision flying. The unit emphasises a strong power-to-weight result so models feel lively without excess mass.

Enhanced output in the same footprint

The Ringed Hyper delivers more horsepower than the prior 50SX-H while avoiding added weight, enabling higher rotor speeds and sharper control. It fits the usual .30-size mounting area for straightforward upgrades.

60LH carburetor for wider usable power

Supplied with a 60LH carburetor that has a 1.5 mm larger bore, the engine increases output and improves throttle smoothness. Pilots can utilise a practical RPM band of 2,000-20,000 for diverse flying demands.

Specifications

  • Displacement: 0.499 cu in (8.17 cc)
  • Bore: 0.866 in (22 mm)
  • Stroke: 0.847 in (21.5 mm)
  • Practical RPM: 2,000-20,000
  • Output: 1.9 hp @ 17,000 rpm
  • Weight: 14.3 oz (406 g)
  • Includes: 60LH carburetor, #8 glow plug
  • Requires: muffler, drive hub

The O.S. Engine 50SX-H Ringed Hyper is a strong option for seasoned pilots wanting mid-size performance gains and is compatible with typical .30-size applications.

Yes, the increased power and low weight help with quicker acceleration and more consistent hover control, benefiting sport and 3D flying when paired with the right setup.
Blade or rotor head choices should match the new power curve; check rotor RPM targets and manufacturer guidance to select blades that handle the increased output safely.
Regularly inspect the carburetor, glow plug and mounting hardware, keep fuel lines secure, and follow break-in and tune routines to maintain performance and reliability.

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