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Sept. 15, 2014, 12:57 p.m.
9/15/2014
By LiveRC Staff
LiveRC.com
Press release from O.S. Engines:
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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