Good news!
"Rocket engines are tough pieces of hardware to build, but it’s possible that 3D printing them could be the next big thing. ... after demonstrating full thrust on its 3D-printed E-2 engine. ...
The Launcher Light will be small and very efficient, aiming for a low cost to orbit and quick turnaround. ....
Last week saw the first full-scale thrust test of the E-2, down at NASA’s Stennis Space Center in Mississippi. The test demonstrated about 22,046 pound-feet of thrust (about 10 metric tons) using LOX/Kerosene at 100 bars of combustion pressure.
This is the thrust they’ve been aiming for in spec sheets and inching toward in other measures, and they reached it “without the hardware melting,” ..."
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