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More here. This is amazing. Whole stations one day maybe. Wonder who thought of applying the idea to spacecraft first?
The SuperDraco engine that provides launch escape system and propulsive-landing thrust for the Dragon V2 passenger-carrying space capsule is fully printed, and was the first fully printed rocket engine.
Recently, the Made in Space Recycler launched to the space station for an investigation into which materials are most effective for recycling into 3D printing filament and which ones can hold up over multiple uses without degrading. This investigation is funded and flown through ISS National Lab.
RocketLab’s Rutherford rocket engine was first tested in late 2016, and since then, over 200 of the game-changing models have been produced. Their combustion chambers, injectors, pumps, and main propellant valves are all 3D printed using electron-beam melting.
Now, this is more than just an idea! Relativity Space says its 3D printers can make a rocket in as little as two months.
Watch this.