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 ...

Forbes contributors publish independent expert analyses and insights. Writing about vertical flight aircraft & advanced aviation technology. The EHang 184 electric VTOL aircraft has two ...

Now that we have definitely arrived in the 21st Century, you'd think that the military with their substantial budgets would have only the latest and most fancy technology flying in the sky. They do, ...

Controllable, or Variable Pitch Propellers are just one type of propulsion used on ships. Controllable pitch propellers vary the angle of each blade to control the amount on thrust produced by the ...

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 ...

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 ...

Kongsberg Maritime has signed a contract with Damen Naval to supply twin Controllable Pitch Propellers (CPP) and shaftlines as part of a contract with the Colombian Navy for a new frigate.In September ...