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 ...

A go-kart was never meant to go this fast. Powered by a jet engine, this custom build reached an astonishing 143.7 miles per hour. This remastered episode follows the engineering, testing, and tension ...

We build a jet engine-powered merry-go-round out of questionably weak materials, then try to spin it up like it is a normal theme park ride. The plan is simple - fire up the engine, test the controls, ...