You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...

The INNengine e-Rex is described as a one-stroke engine, though it actually has two strokes. But it's not dirty like traditional two-strokes.

Variable cycle engine design embodies a transformative approach in aero‐propulsion, enabling engines to adapt their thermodynamic cycle to meet diverse operational demands, from fuel efficiency to ...

Bore and stroke are important measurements when it comes to calculating an engines displacement, and the kind of performance an engine offers.

GE Aviation’s (NYSE: GE) XA100 adaptive cycle engine is ready to progress from prototype into development following testing with the U.S. Air Force, according to the manufacturer. The XA100, along ...

Two-stroke engines were phased out by tough pollution laws and fuel economy targets, but they could be making a comeback with KTM, Honda and boutique builders. KTM and Honda have both registered ...

For years now the U.S. military has been looking for the next-generation fighter aircraft, the one that will keep America at the top of the list for aerial supremacy. Next Generation Air Dominance ...

The Lockheed Martin F-35 Lightning II is one of the few fifth-generation military aircraft currently in operation. Compared with all the others still flying in the world, it’s a true junior, having ...

If you’re shopping for a new fishing boat or an outboard motor to power it, one of the decisions you’ll have to make is between a 2 stroke vs 4 stroke engine. Unless you’re going electric, this choice ...

Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...