Propeller-powered

For a propeller-powered aircraft, the gas that is accelerated, or the working fluid, is the surrounding air that passes through the propeller.

Source: tatoeba (5325825)

Propeller-powered aircraft are very efficient for low speed flight.

Source: tatoeba (5325829)

The miniaturized, propeller-powered robots have multiple cameras, which allow them to ‘see’ the world around them as they make their way through buildings and carry out their tasks. The researchers hope to attach arms to the devices, so they’ll be able to fix things, too.

Source: tatoeba (12269960)