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 newly tested engines could power a variety of space projects.

Hybrid rocket engines offer perks from both worlds ... Naturally, [Integza] decided he should try and 3D print one. The build came about somewhat by accident, as the 3D printed casing of one ...

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 ...