Barring the smallest manned airplanes, most aircraft that are pulled around by a prop have variable pitch propellers. The reason for this is simple efficiency. Internal combustion engines are most ...

Cirrus SR20 and SR22 aircraft feature a combined "power lever" that integrates both throttle and propeller controls to simplify operation and reduce pilot workload. This mechanical system uses a cam ...

Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric ...