We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and ... [Ben] milled the test rig in his shop. It’s a fat acrylic rod through which he bored a hole.

Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test stand at the company’s Moses Lake, Wash., facility on Wednesday in what was called “a very big deal ...

HICKAM will design and manufacture a modular, compact, and portable testing platform for characterizing hybrid rocket engines. The team will also manufacture two 300 lbf hybrid rocket motors to prove ...