OS .91 HZ-PS 3D Ringed Helicopter Engine

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Helicopters

OS 91 HZ-PS 3D Ringed Helicopter Engine

List Price: $549.99
Our Price: $479.99
You Save $70.00!

Stock Status: In Stock

Product Code: OSM18621

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Features

This is the OS .91 HZ-PS 3D Ringed Helicopter Engine with pump. Comes with the 61B-P11 updated carb.
Displacement: 0.91 cu in (14.95 cc)
Bore: 1.09 in (27.7mm)
Stroke: 0.98 in (24.8mm)
Practical RPM: 2,000 - 16,000
Power Output: 3.4 hp @ 15,000 RPM
Weight: 1.4 lb (635g)
Height from crankcase bottom to top of cylinder head: 4" (103mm)
Height/bottom of mounting tab to top of cylinder head: 3.2" (81.2mm)
Distance between mounting holes same side: 0.98" (25mm)
Distance between mounting holes opposite side: 2.0" (52mm)
Distance between muffler screw holes: 1.6" (42mm)
Distance/bottom of mounting tab to muffler screw holes: 1.7" (42.8mm)
Length from front of case to backplate: 3.3" (83.8mm)
Length from pump to end of crankshaft: 5.1" (131mm)
Width of crankcase below mounting tabs: 1.7" (43mm)
Width between mounting tabs: 2.4" (61mm)