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50SX-H Hyper Ringed .50 Helicopter Engine
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Bore: 0.866 in (22mm)
Carb Type: O.S. 60LH rotary
Crankshaft Threads: UNF1/4-28
Crankshaft Type: Threaded
Cylinders: Single
Displacement: 0.49 cu in (8.17 cc)
Engine (Only) Weight: 14.33 oz (406 g)
HP: 1.9 PS, 1.87 HP @ 17,000rpm
Height: 3.6 in (92.3 mm) bottom of crankcase to top of cylinder head
Length: 3.4" (85.7mm) from backplate to front bearing
Plug Type: O.S. #8
RPM Range: 2,000 - 20,000 rpm
Recommended Fuel: 10-30% nitro content, at least 18% lubricant content (heli blend)
Stroke: 0.847 in (21.51 mm)
Type: 2-stroke glow powered .50 cu in helicopter engine
Width: 2.0 in (52 mm) at mounting tabs

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