We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

A UK startup has unveiled a new fusion-powered space rocket concept called Sunbird for interplanetary travel to Mars — and beyond.

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 ...

which is similar to Rocket Lab’s Electron rocket. Gilmour’s main hybrid rocket engine, Sirius, will power the first and second stages of the Eris rocket to orbit. Four Sirius hybrid rocket ...

Team Abstract: The HADES team is seeking to add to the collective CU Boulder knowledge base of hybrid rockets through the development of a liquid-solid hybrid engine. This engine will be used to power ...