Now that we have definitely arrived in the 21st Century, you'd think that the military with their substantial budgets would have only the latest and most fancy technology flying in the sky. They do, ...

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 ...

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 ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. W. Rupert Turnbull ...