Photo credit: Forbes/ SpaceX
It lifted off, hovered, & landed again, all using rocket thrust only. Why is this important? It's a step on the way to the Holy Grail of rocketry: resuability.
http://www.kurzweilai.net/spacex-grasshopper-12-story-test-flight / closed-loop thrust vector throttle control Falcon 9 rocket engine first stage Merlin 1D engine four steel landing legs hydraulic dampers reusable savings developing operating running cost price economical economics /
No comments:
Post a Comment