Boats are propelled forward by various power sources, such as human power, wind power, and internal combustion engines. Nowadays, even electric boats are coming onto the scene. Propulsion for ...

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 ...

The horrific KC-130T plane crash that killed 15 Marines and a sailor last summer was caused by a deteriorating propeller blade that was corroded when it entered an Air Force maintenance depot in 2011, ...

Early airborne combat was more like a drive-by shooting as pilot used handheld firearms to fire upon other aircraft. Whomever could boost firepower and accuracy would have the upper hand and so ...