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Thunder Tiger  |  SKU: OS1801  |  Barcode: 4719523591801

OS NSU Wankel Engine 1801 - Second Hand - Boxed & Unrun

£650.00
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Description

The O.S. NSU Wankel is a legendary, miniature rotary internal combustion engine built for model aircraft through a collaboration between O.S. Engines, Graupner, and NSU.

First introduced around 1970 and manufactured across a couple of generations, it remains the most successful and famous mass-produced rotary engine in model aviation history. 

Displacement: 4.97 cc (0.30 cu in), commonly referred to as a .30-size or 49-PI engine.
Power Output: Roughly 1.1 to 1.3 horsepower at around 17,000 to 20,000 RPM.
Operation: Runs on a glow-fuel mix (traditionally requiring high castor oil content for proper internal apex-seal lubrication) and is known for delivering high RPMs with low vibration, though it runs hotter than standard two-stroke or four-stroke piston engines.

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