Rocket Crafters completes testing of 3D printed Comet engine 

U.S. space technology startup Rocket Crafters Inc. (RCI), has concluded testing of its Comet Series Hybrid 3D printed rocket engine.  Having completed 49 laboratory tests, the latest test firings were designed to be a large-scale proof of concept for Rocket Crafters’ STAR-3DTM hybrid rocket engines, ahead of a planned test flight later this year.  “We’re […]