and Rocket Lab has already put a payload into orbit with their 3D printed engines. Lockheed Martin has already shown that 3D printed propellant tanks can meet or exceed NASA’s performance and ...

Hybrid rocket engines offer perks from both worlds, with simple solid fuel and the ability to throttle down by regulating oxidizer flow. Naturally, [Integza] decided he should try and 3D print one.

Firehawk’s rocket engines are powered by their patented 3D printed rocket fuel. By 3D printing their fuel Firehawk can build rocket engines for space and defense applications that are lower cost ...