New Split Cycle Engine Concept: The Doyle Rotary Engine

The DRE is a rotary split cycle engine concept designed to replace current automotive engines. It is smaller and lighter per unit of displacement and has many efficiency gains over conventional engines and other engine concepts. I made this video using Solidworks, Photoshop, After Effects, Audacity and Handbrake. I would like to thank Jim Hummel for the voice over work. We look forward to answering questions and comments. Feel free to post video replies and repost the video wherever you want. Check out our website:

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New water cooled Hale rotary engine
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Rotary Engine
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