The Black Hawk is a family of utility helicopters made by Sikorsky, a company owned by Lockheed Martin. One of the mainstays of the U.S. Army, it is extensively used by the U.S. military as a ...

At takeoff, the average speed of a commercial airplane is anywhere between 160 and 180 mph (140 to 156 knots). While landing, speed is largely affected by the aircrafts current weight, commercial ...

The SP80, a 40-foot carbon-fiber experimental boat, is using giant kite sail to propel it across the water at over 80 knots ...

With a new top speed of 51+ knots (95 km/h), the SP80 boat joins the exclusive group of sailboats capable of surpassing the mythical 50-knot barrier. The team continues to make progress and aims to ...

At 7,000 pounds Bollard pull thrust with only 450 shp, the Traktor Jet III out-pulls low geared props and achieves maximum efficiency in the 5-15 knot speed range without engine overload or over ...

With a new top speed of 51.3 knots, the SP80 boat surpassed the mythical 50-knot barrier as it aims to break the world sailing speed record before the ...