Watch an extreme DIY experiment where a bicycle is powered by a homemade jet engine using a potassium nitrate and sugar fuel mix. The test shows the incredible thrust, explosions, and dangerous ...

See how a homemade jet engine completely transformed an ordinary backyard swing into an unforgettable engineering experiment. Follow the build, testing, and surprising results of this unique DIY ...

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 ...