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.

Rocket hybrid propulsion market is rapidly expanding, driven by military advancements, growing space tourism, and innovative ...

Most any rocket engine you’d find on a spacecraft – save for solid or hybrid rockets – use an ... the fuel is circulated around the chamber before ignition giving a motor its regeneratively ...