There are plenty of rocket experimenters toying with various liquid-fueled contraptions at the moment, and [Sciencish] is one of them. He grew tired of using air-pressurized fuel delivery systems i… ...

NASA and Aerojet Rocketdyne tested their first 3D-printed rocket engine injector today. What you see above is the little guy passing the test with flying—and flaming—colors.

Rosotics heats the feedstock with a magnetic field in the 3D printer nozzle. “You get the same end result without the laser in that process,” Christian LaRosa, Rosotics co-founder and CEO ...

In 2016, Gilmour Space launched Australia’s first privately-developed hybrid rocket. It also claimed to be the world’s first demonstration of a rocket launch using 3D-printed fuel.