This was the first large iron steamship and the first to use a screw propellor.
From the en.wikipedia.org
And on February 13th a faulty propellor-shaft had to be mended.
From the economist.com
Sylvanus A. Reed pioneer of the use of metal in propellor blades.
From the en.wikipedia.org
You then need some explosive and a small, propellor driven craft outfitted with gps or a camera and gps.
From the economist.com
One plane landed on its propellor nose, standing upright against an otherwise unscathed fuel truck.
From the washingtonpost.com
Who will ever do anything better than that propellor?
From the en.wikipedia.org
But hopefully, the drive for greater fuel efficiency will improve propellor design and so reduce noise.
From the guardian.co.uk
Have you ever seen a ship's propellor shaft?
From the guardian.co.uk
I wonder if this had a VW roundel, a propellor or an interlocking 4 ringed badge it may have been reviewed a little more kindly?
From the cars.uk.msn.com
More examples
Propeller: a mechanical device that rotates to push against air or water
A propeller is a type of fan which transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and air or water is accelerated behind the blade. ...