Abstract—The design of VTOL aircraft, particularly eVTOL aircraft, often relies on the use of multiple electrically powered thrust-vectoring propellers to meet the high thrust requirements of vertical ...

The fighter aircraft was never more important than it was during the global calamity that began in 1939. However, at this time of need, the fighter types available were pretty limited to say the least ...

Controllable, or Variable Pitch Propellers are just one type of propulsion used on ships. Controllable pitch propellers vary the angle of each blade to control the amount on thrust produced by the ...

Russian-born Igor Ivanovich Sikorsky, the eminent early birdman and aircraft designer, has never forgotten a monumental nosebleed he suffered as a boy of ten in the Czarist city of Kiev. As he sat ...

An airplane propeller severed a pilot’s arm in a freak accident at the Paso Robles Municipal Airport on Wednesday. The 81-year-old pilot from Watsonville was preparing to depart the airport in an ...

Located along the San Joaquin River, Stockton has a rich maritime history dating back to the Gold Rush of the 1800s. Traders and supply ships would travel the river to supply crews in the gold fields ...

South Burlington-based BETA Technologies, Inc on September 29, 2025, applied to the Securities and Exchange Commission to take the electric aircraft company public. BETA has many components to the ...

A 3D-printed hybrid drone can quickly transition between air and water thanks to variable pitch propellers. Watch a video of the drone in action. When you purchase through links on our site, we may ...