The first rotary engines were primarily used for aircraft during World War I, but the design was abandoned due to flaws and ...

John Elliot purchased the aircraft in 2021 ... was disassembled in 2023 and sent to Fred for the engine conversion to the authentic LeRhone rotary. There are a few more details to take care ...

The Wankel rotary engine, most notably used in automobiles ... Curtis Wright built airplane engines, Sachs produced small air-cooled engines for everything from chain saws to snowmobiles.

Hold on to your hat! It was an airplane engine that was very useful for this airplane before the rotary engines came out. The radial air-cooled engine worked pretty well in its day. Back in 1909 ...

The issue, as it has pretty much always been, is environmental. While the Wankel rotary engine does indeed make a lot of power in a small, lightweight package, it does so while burning lots of ...

The three-metric-ton Proteus features the AW09's distinctive shrouded anti-torque system and five-bladed main rotor system.

The CV-22 can perform missions that normally would require both fixed-wing and rotary-wing aircraft. The CV-22 takes off vertically and, once airborne, the nacelles (engine and prop-rotor group ...

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back ...