the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you ever wondered how these worked, why not print a model?

[Camden Bowen] recently 3D printed a single-piston engine which nearly worked, and is back with some improvements to it thanks to a small carburetor. The carburetor itself isn’t 3D printed ...

Let's have a look at top 7 points about the 3D-printed rocket engine: The engine that the space agency tested is the PS4 engine used in the Reaction Control System (RCS) of the upper stage (PS1 ...