Duke Engines – 5 Cylinder 4 Stroke 3 Injector Valveless Axial Engine

Original article from: TheKneeslider.com –

Original article from: TheKneeslider.com – There have been a number of axial engines designed over the years with some similarities between them, but these examples from Duke Engines of New Zealand show a very impressive and well developed prototype. Arthur, one of our readers, spotted the engine on display at the recent EAA Airventure in [...]

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