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 standard 250 cubic foot cylinder pressurized to 2,500 PSIG can become a rocket attaining a speed of over 30 miles per hour in a fraction of a second after venting from the broken cylinder connection ...

That credit goes to Moto Guzzi in the 1930s. Triumph popularized its cylinders with the iconic Trident and its twin, the BSA ...

Sometimes after liftoff a SpaceX Falcon 9 rocket displays a “jellyfish” effect in the sky. The jellyfish effect typically happens during late-night or early morning SpaceX rocket launches ...

four valves per cylinder Compression Ratio While its 163 lb-ft gut-wrenching torque is a hook solid enough, the Triumph Rocket 3 221 Special Edition has a few more tricks up its sleeve.