Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of the propeller, they use a large hollow motor, with the blades attached to ...
“Usually when people ask me what I do, I tell them I’m a wrench.” That’s what aircraft mechanic John Corbin told Peter Laffin over the phone. “I’m always doing stuff no one’s done before.” But ...