Bye Aerospace has begun the next phase of flight testing on its eFlyer 2 technology demonstrator, which the US company will use to select the most efficient propeller to maximise the performance of ...

We test whether speed boat propellers can effectively power an aircraft, exploring thrust, performance, and engineering ...

Russian researchers are planning to test-fly a Yakovlev Yak-40 modified with a superconducting electric motor and propeller mounted on the trijet’s nose. The Moscow-based Central Institute of Aviation ...

Recently, Universal Hydrogen and Hartzell Propeller showed significant progress toward hydrogen fuel cell-powered flight. The two companies collaborated to alter a De Havilland Dash 8 testbed, ...

Small brushless motors and LiPo batteries are one of the most impressive bits of technology popularized in recent years. Just a few years ago, RC aircraft were powered by either anemic brushed motors ...

Some time ago I wrote about the relationship between thrust and horsepower, and the question of why one is used to describe the output of pure reaction engines and the other that of engines driving ...

You’d be hard pressed to find an aircraft that wasn’t designed and tested without extensive use of simulation. Whether it’s the classic approach of using a scale model in a wind tunnel or more modern ...

U.S. Navy Reserve KC-130T Hercules tankers, upgraded with the new NP2000 eight-blade composite propeller system, have been cleared to refuel a wider range of aircraft across the carrier air wing. This ...

Question: Why are the hurricane hunter planes only twin turboprops and not the regular fan jets that passenger planes use? Answer: The turboprops are more tolerant of hail than the jets. Airplanes ...

WEST PALM BEACH, Florida -- Test pilots who fly the SB-1 Defiant claim that the futuristic helicopter could get its tail shot off in combat and still fly faster than an undamaged UH-60 Black Hawk. The ...