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 ...

An early predominant manufacturer in the United States, Spencer Heath's American Propeller and Manufacturing Company opened in 1909, and was first to use machines for mass production of aircraft ...

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 ...

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for Russian trading partners. By Michael Crowley Eric Schmitt and Julian E. Barnes ...

After reaching another milestone with 130 flying Silent-7 propellers, several propellers were inspected based on the certification requirements after 2,000 hours in service. The propellers showed ...

Abstract: This paper carries out a simulation based study on the performance of longitudinal control in an agile fixed-wing UAV with variable pitch propeller (VPP). Transition between cruise level ...

‍DALLAS — Most modern airplanes use either jet engines or turboprop engines. Jet engines are more commonly used on long-distance, high-speed flights, while turboprops are more suitable for shorter ...

LEWES, Del., Feb. 7, 2019 /PRNewswire/ -- Startup company Blainjett Aviation releases details of a breakthrough propeller technology called dynamic-variable-pitch. This dynamic-variable-pitch ...

MT-Propeller Entwicklung GmbH received an EASA STC for the installation of a 3-blade Propeller on a Cessna 182 series aircraft. The FAA STC is still in progress. The STC applies to the Cessna 182 ...