and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before, so that’s what this roundup evolved into. First up is [Robert Watzlavick], who has been ...

The site is dedicated to his pursuit of liquid fueled rocket engine building. It’s a great project log and he has finally come to the point where he will be testing his first flight vehicle soon.

The newly tested engines could power a variety of space projects.

In the ’60s, rocket engine design and manufacturing company Rocketdyne had tried to make the J-2T Aerospike, a toroidal aerospike concept intended as an improvement over the Rocketdyne J-2 engine for ...

There probably never was a better time for rocket engine fans to be alive. It's a time when those who have the means can go out and start building the rocket engine of their dreams, while the rest ...

Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test ... based Stoke Space has been on a quest to build a new breed of fully reusable rockets and space vehicles ...

Rocket engines are tough to build, and they’re even tougher to 3D print because all the details have to be ‘just right’ for the rocket to work successfully. But, an Indian space startup ...