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 ...

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 ...

Hartzell Propellers worked with Beta Technologies to develop, test, and certify a five-bladed pusher propeller for advanced air mobility aircraft such as Beta’s Alia CX300 electric airplane and Alia ...

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