The Autopian on MSN

The most complicated new engine has three cylinders, a rotating block, a stationary head, and is shaped like a circle

Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...
The Aviationist

Pratt & Whitney Successfully Tests Rotating Detonation Engine

The Rotating Detonation Engine being developed by Pratt & Whitney has no moving parts, which reduces complexity and costs, and could help enable high-speed, long-range flight with increased efficiency ...
NextBigFuture

Air Force Research Lab, DARPA and NASA Rotating Detonating Engine Research

There have been published papers by the Air Force Research Lab and NASA on rotating detonation engines having 10% or more efficiency gains. A rotating detonation engine (RDE) uses a form of pressure ...
AOL

This day in car history: The first rotary engines rev up

Long before Felix Wankel became synonymous with rotary engines, an inventive Hungarian-American engineer named Stephen M. Balzer secured one of the earliest patents for a rotary-powered automobile on ...
Top Speed

How The Five-Cylinder Engine Became An Icon

Explore the iconic five-cylinder engine, from Audi Quattro to RS3, known for its unique sound, power, and racing heritage.
Jalopnik

The Pros & Cons Of 5 Cylinder Engines

Having lived with a four-cylinder Mercedes 240D and a five-cylinder 300D, I can tell you that the extra cylinder makes a huge difference getting up to highway speed at the end of an on-ramp.