The Wankel rotary engine was made popular by Mazda, who built rotary style engines from in production cars such as the RX-7, RX-8, and others from 1967 to 2012. The Wankel rotary engine is unique in ...

D printing can be used for making all sorts of objects, including the cylinder head on your car, but how long would it last?

Printing a model jet engine is quite an accomplishment. But it wasn’t enough for [linus3d]. He wanted to redesign it to have a turbojet, an afterburner, and a variable exhaust nozzle. You can see how ...

Researchers demonstrated the first fully 3D-printed, droplet-emitting electrospray engine. The low-cost device can be fabricated more quickly than traditional thrusters, potentially from on board a ...