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.

Meanwhile, solid rocket engines are simple and cheap, but once you light them, they’re going full-bore until burnout. Hybrid rocket engines offer perks from both worlds, with simple solid fuel ...

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 ...