[Richard] does say making larger rocket engines out of 2 or 3-inch PVC may not make much sense due to the increased chamber pressures. There is a fairly clever reinforcement method for these PVC ...

Private space company Stoke announces a new design for a rocket engine that could make the Nova launcher's second stage ...

It’s an extremely impressive piece of kit, and hopefully [Rocket Moonlighting] will release the CAD source so we can make our own. EDIT: [RM] tells me his engine cost less than $2000 to make.

Russia is testing a new plasma rocket engine that would drastically reduce travel time from earth to mars using charged ...

A laboratory prototype of a plasma electric rocket engine based on a magnetic plasma accelerator has been produced by Rosatom ...

The development of the engine is expected to make interplanetary trips much faster and expand humanity's access to worlds ...

Egor Biriulin, who works at Rosatom’s scientific institute in Troitsk, explained to a Russian newspaper per Gizmodo that this engine can speed up particles to an incredible 100 kilometers per second.