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Peugeot Proto 3-rotor 20B engine note 11,000 RPM

The Peugeot prototype powered by a 3-rotor 20B engine delivers an extreme rotary engine note at 11,000 RPM. This video ...
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I made a rotary vane engine prototype

In this video, we address several common questions regarding the rotary vane engine design: 00:00 How it's made 04:53 Q1: ...