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O.S. Engines .55HZ-H Hyper Ring 40L OSM15630

  • $188.15
  • Brands O.S. Engine
  • Product Code: ARID0879
  • Availability: In Stock

O.S. Engine hyper Ringed helicopter engine is ideal for 3D flight-power equal to .60 size heli engines. Same mounting bolt pattern and silencer size as the OS 50SX-H Hyper. Dual needle 40L carburetor with four arm throttle lever for use with a variety of servo brands. Two year limited warranty through manufacturer beginning at the date of purchase. Requires: 10% to 30% nitro Fuel with at..

Tags: O.S. Engines .55HZ-H Hyper Ring 40L OSM15630

O.S. Engine hyper Ringed helicopter engine is ideal for 3D flight-power equal to .60 size heli engines. Same mounting bolt pattern and silencer size as the OS 50SX-H Hyper. Dual needle 40L carburetor with four arm throttle lever for use with a variety of servo brands. Two year limited warranty through manufacturer beginning at the date of purchase.


Requires: 10% to 30% nitro Fuel with at least 18% lubricant (Helicopter Mix). Starting equipment.

specs

Displacement: 0.55 cu in (8.93cc)
Bore: 0.91" (23mm)
Stroke: 0.85" (23.5mm)
Practical RPM: 2,000-17,000 RPM
Output: 2.1 PS, 2.07 HP
Weight: 14.39oz (408g)
High Speed Needle Valve: Two turns open from fully closed
Idle Mixture Control Screw: Factory set-do not adjust
Medium Speed Needle Valve: Two turns open from fully closed
Distance/top of cylinder head-bottom of mounting tabs: 2.8" (72.6mm)
Distance between mounting holes same side: 0.68" (17.5mm)
Distance between mounting holes opposite side: 1.73" (44mm)
Distance between muffler mounting holes: 1.4" (37mm)
Cylinder Head Diameter: 1.8" (47mm)
Distance/bottom of crankcase to top of cylinder head: 3.6" (90.9mm)
Distance from center of engine to front bearing: 2.03" (51.6mm)
Distance from center of engine to end of Crankshaft: 3.2" (82.6mm)
Distance from center of engine to backplate bolt: 0.98" (25mm)
Distance from center of engine to throttle lever: 1.5" (38mm)