Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Have you ever heard of the Silent Knight? It was a unique engine that ditched noisy valves for a weirder, quieter, and more ...

Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

A radical Maserati engine aimed to outperform rivals with sheer innovation. Instead, it hit a critical barrier that explains ...

View post: You Can Pay $5,000 to Test Drive a Lotus—And Stay at a Luxury Hotel Ford will recall 90,736 vehicles as engine intake valves in the vehicles may break while driving, the National Highway ...

February 2, 2006 UK-based RCV Engines is best known globally for its range of model aircraft engines but the unveiling yesterday of a prototype 125cc Rotating Cylinder Valve (RCV) scooter engine could ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a demonstration model of a ...