Many kinds of power plant have been used to drive propellers.
It was to have used a two-cycle engine to drive a propeller.
Such a large generator is not required when an engine directly drives a propeller.
She was powered by a steam engine driving a single propeller.
Power plant Three 1,500-horsepower diesel engines that drive a single propeller while traveling on the surface.
The design was then modified by the addition of a reduction gearbox to drive a propeller.
The device he ultimately came up with used a magnetic field to drive a propeller or driveshaft.
A single engine driving a two-blade propeller was mounted in the nose.
Power was supplied by two triple-expansion engines, each one driving a separate propeller.
She is powered by two diesel engines which drive two propellers.
