Of course, 3D printing ... A soda bottle is filled with rubbing alcohol vapour, and the mixture is ignited, with each nozzle graded on its thrust output. The rockets are later flown outside ...

Rocketry is wild, and [Foaly] is sharing build and design details of the Cortex 2 mini rocket which is entirely 3D printed ... led to reducing the number of fins from four to three.

Relativity Space, the space venture that got its start in Seattle and is now working on 3D-printed rockets ... to the Falcon 9. The rocket also has Falcon-style grid fins for maneuvering during ...

and features four carbon composite fins for passive control. The Agnilet engine is notable for being the world's first single-piece 3D-printed semi-cryogenic rocket engine. The mission lasted for ...