The world of eVTOLs is full of eye-catching designs and imaginative systems, but the concept released this summer by CycloTech might set a new standard, since it uses what it says is a one-of-a-kind ...
Years after the space race, propeller design remained a sea-trial-and-error endeavor: haul, tweak the props, relaunch, sea-trial, repeat. Finally, the U.S. Navy paid ...