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A 2-rotor, 11.6-liter rotary diesel engine was almost a thing

Rotary Power International Model 2116R rotary engineThe rotary engine had its moment of automotive glory with Mazda, but while the Japanese automaker’s rotary engines where small-displacement, high-revving, buzz bombs, one American startup tried a very different approach, designing an 11.6-liter big-block rotary running on diesel for marine applications. The company was Rotary Power International…