If you want to fit a jet engine to one of those, you need a different mechanism to drive the propeller: A reduction gearbox. Reduction gearboxes mechanically reduce a shaft's output rpm through ...

Jet engines generate much ... The power of a turbofan engine is based on force and resistance. Meanwhile, the power of a piston engine is based on shaft power. To provide a theoretical conversion ...

Cue the development of the 3D printed water jet engine (YouTube link ... Brushless motors make a great drive solution for RC boats, so we’re sure [Ivan] will be tearing up the lake real soon.