Using two propellers spinning in opposite directions, the genius contra-rotating propeller system is used on marine vessels ...

Add articles to your saved list and come back to them any time. The pilot of a light plane that crashed into a suburban street in Sydney's south-west last month knew 15 minutes before he died that the ...

When you're at an airport and see propeller aircraft, you likely think it is powered by a piston engine. This is usually true among smaller planes, like the Cessa 172 Skyhawk and the Piper Archer, or ...