.91RZ-H Rear Exhaust Ring 60M-C Carb (osm18500) OS-Engines RC Helicopter Engines .52 Up

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.91RZ-H Rear Exhaust Ring 60M-C Carb

Product Number: OSM18500

Manufacturer: O.S. Engines

Availability:	Discontinued, no longer available for purchase
List Price:	$599.99
Price:	$352.79
You Save:	$247.20 ( 41% off )
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Discontinued, no longer available for purchase

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Product Information

This is the O.S. Max .91 RZ-H Rear Exhaust Helicopter Engine.:

Product Features

Aluminum cylinder head, anodized blue in color.:
Designed for Hirobo and other scale helicopters where engine must fi inside canopy to preserve heli's scale lines.:
Ringed piston.:
60M-C 3-needle carburetor with mid-range needle for precis adjustments.:
Two year warranty.:

Product Specifications

Needle Settings:
High Speed Needle Valve: Two turns OPEN from fully closed:
Idle Mixture Control Screw: Factory setting:
Medium Speed Needle Valve: Two turns OPEN from fully closed:
Displacement: 0.912 cid (14.95 cc) Bore: 1.091 (27.7mm) Stroke: 0.976 (24.8mm) Practical RPM: 2000-16,000 Power Output: 3.3 PS, 3.25 HP @ 15,000 RPM Weight: 21.8oz (618g) Crankshaft Size: 5/16-24 Distance Between Mounting Holes Same Side: 0.98 (25mm) Distance Between Mounting Holes Opposite Side: 2 (52mm) Distance From Back Plate to Front Bearing: 3.3 (83.8mm) Distance From Back Plate to Crancase Center: 1.1 (27.4mm) Distance From Crankcase Center to Front Bearing: 2.2 (56.4mm) Distance From Crankcase Center to End of Crankshaft: 3.5 (88.7mm) Width at Mounting Tabs: 2.4 (61mm) Width of Crankcase Below Mounting Tabs: 1.7 (42.6mm) Distance from Throttle Lever to Center of Crankcase: 1.7 (42.5mm) Distance/Bottom of Mounting Tab/Top of Cylinder Head: 3.4 (87.4mm)

What's Included

O.S. Max .91 RZ-H Rear Exhaust Helicopter Engine with #8 glow plug,:
instruction manual:

Required

Fuel: Heli blend with 10-30% nitro content:

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