O.S. 50SX-H Ringed Hyper Heli

A "Hyper" engine for hyper heli performance!

The 50SX-H Ringed Hyper is ideal for 50-class helis, with improved combustion efficiency for super-stable hovering and aerobatics.
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: 1.87 hp @ 17,000 rpm Weight: 14.3 oz (406 g) Includes: 60LH carburetor, #8 glow plug Requires: muffler, drive hub

O.S. Two Year Limited Warranty
  • For over-the-top flying excitement, the 50SX-H Ringed Hyper engine is the clear favorite!
  • Actually mounts in the same space as a .30-size application.
  • The 60LH carburetor features 1.5mm more bore, to increase overall power.
O.S. 50SX-H Ringed Hyper Heli - heat sink head
Besides good looks and excellent cooling, the 50SX-H Ringed Hyper engine's machined blue alumite heat sink head also boosts combustion efficiency for more power stability.
O.S. 50SX-H Ringed Hyper Heli - carburetor
The Hyper version weighs less than the 50SX-H, but delivers more horsepower for higher rotor speeds.
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