Abstract: The free piston engine (FPE), as an alternative of the conventional internal combustion engine, could significantly impact the energy consumption and emissions of both on-highway and ...

A strong and reliable twin aircraft, perfect for missions of many different kinds. This aircraft has been used for medium-length and long flights across Europe, and is kept in very good condition. The ...

Abstract: A free-piston engine (FPE) requires stabilizing feedback control to manage piston motion and ensure safe operation. A high-fidelity model, which simulates the FPE behavior by combining ...

If your vehicle is making a knocking or rattling sound, it might be a piston slap. In many cases, this frightening sound indicates that one or more pistons are failing. However, you will probably ...

2005 Cirrus SR22 G2 Equipped with Avidyne Entegra MFD/PFD and Garmin GNS 430/420 GPS/NAV/COM. Exceptionally low-time, well equipped and maintained. Only 890 hours total time since new. Step into ...

The market for piston twins is a mere shadow of what it was decades ago as aircraft buyers have come to realize they can achieve about the same performance and safety from high-performance piston ...

BMW designed its new engine with a 135-degree crankshaft, something I can't recall ever seeing on a motorcycle before.

Internal-combustion power returns to the Dodge Charger with the 550-hp twin-turbocharged six-cylinder Scat Pack.

Kawasaki Motors is the next Japanese company considering entering the general aviation market, perhaps inspired by the success of the HondaJet. Known for its high-performance motorcycles, Kawasaki is ...

Dodge is just teasing us now—the automaker is bringing the V8 Charger back for SEMA 2025, meet the Dodge Charger Hustle Stuff, proof that a Hemi V8 fits under the hood of America's latest muscle car.

You can order a supercharged Hemi in a new Charger, but only if you're going racing, as it's a track-only option from Direct ...