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New top-level O.S. buggy engine is not too hip to be square

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Aaron Waldron

0 Sept. 15, 2014, 12:57 p.m.

Main Photo: New top-level O.S. buggy engine is not too hip to be square

9/15/2014

By LiveRC Staff

LiveRC.com

Press release from O.S. Engines:

www.osengines.com

Set to be released at the end of September the new O.S Speed B2101. With the success of the 21XZ series of engines this all new design employs a square bore / stroke. A new crankshaft with DLC coating and tungsten balancing, overall lower CG and the ever famous 21J carburetor.

Displacement: 3.46cc (0.211 cu. inch)

Bore: 16.40 mm (0.646 inch)

Stroke: 16.40 mm (0.646 inch)

Practical rpm range: 4,000 – 42,000 rpm

Max power: 2.61 HP/34,000 rpm

Weight: 352 g (12.42 oz)

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