This video takes you inside the facility responsible for building the F135, the engine that powers the F-35 fighter jet. With ...
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 ...
Henri Coandă’s 1910 aircraft was an astonishingly early attempt to build an airplane without a propeller, using a piston-powered ducted system to create thrust directly from moving air and hot exhaust ...