Are boxer engines better than other flat engines?

Sometimes, the terms boxer engine and flat engine are used interchangeably, even though the two are not the same. What's the ...
Yahoo

These fancy new rotating detonation engines explode constantly by design

They're noisy, but your next missile or military vehicle might have an RDE (rotating detonation engine) powerplant in it. RDEs are more fuel-efficient, lighter, easier to maintain, and capable of ...
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 ...
New Atlas

Raytheon to build revolutionary rotating detonation engine for DARPA

DARPA has contracted Raytheon to develop a practical version of a revolutionary air-breathing rotating detonation engine called Gambit, which would have no moving parts and could lead to lighter ...