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 ...

A Thunder Bay innovator has landed a deal with a U.S. defence contractor that could take his small aviation firm soaring to new heights. Andrew Kondor, president of Aerovate, has sold two units of his ...

Most ships control speed by changing engine power, but vessels with controllable pitch propellers adjust the blade angle instead. This video explains how variable pitch systems generate forward or ...

What does it take for a quadcopter to carry a 10-kg (22-lb) payload and fly for three hours straight? It takes petrol power – and a clever variable pitch rotor system that makes this gas-powered drone ...

When it comes to seaborne propulsion, one simple layout has largely dominated over all others. You pair some kind of engine with some kind of basic propeller at the back of the ship, and then you ...

Mumbai: Finnish equipment-maker Wartsila Corporation will manufacture controllable pitch propellers (CPP) in India to create an important and sizeable production capacity increase for the CPP business ...