Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric ...

EDWARDS AIR FORCE BASE, Calif., Nov. 8 (UPI) -- Hamilton Sundstrand NP 2000 propellers are being tested by U.S. Air Force engineers in California on a C-130H3 aircraft. The new eight-bladed composite ...

A digitizer captured the dimensions of one of the propeller blades on the fishing vessel named Harmony. A laser tracker helped measure a 25-year-old propeller in just a few hours as a means of ...

This is an opinion column. A new propeller design will likely start popping up on boats in Alabama and across the nation in the next few months—provided that the manufacturer eventually gets the price ...

Combination of carbon, glass and epoxy resin produces a strong replacement for nickel/aluminum/bronze metal, the current propeller standard. Damage-tolerant reinforcing fabric strengthens highly ...

A New Option for Catamaran Workboats. In 2011, Teknicraft Design of New Zealand designed and engineered what is believed to be one of the first quad propeller propulsion systems for a catamaran hull ...

At the beginning of the 20th century, the automotive world was still in its early years, and car designers and engineers were overflowing with ideas. Moreover, engineers of that era often took ...