More blades mean more power and smoother sailing, but they also mean slower top speeds and lost efficiency. The story of why the Olympic kept changing its center propeller turns out to be a perfect ...

Collins Aerospace says the eight-blade NP2000 composite propellers on the Lockheed Martin C-130H enable more traction for a given propeller diameter. Credit: Collins Aerospace Propeller manufacturers ...

GT Propellers' recreated Fairey Reed propeller has entered flight testing, with more than 12 hours flown on a Tiger Moth ...