Wednesday, November 25, 2015

Jeff Bezos Beats Elon Musk's SpaceX In The Reusable Rocket Race

By Steve Dent , Nov 24, 2015 Engadget

Blue Origin, the private space firm owned by Amazon's Jeff Bezos, has just dropped a huge gauntlet in the race to develop a reusable rocket. It just launched its New Shepard space vehicle (video, below), consisting of a BE-3 rocket and crew capsule, to the edge of space at a suborbital altitude of 100.5 kilometers (62 miles). The capsule then separated and touched down beneath a parachute, but more importantly, the BE-3 rocket also started its own descent. After the rockets fired at nearly 5,000 feet, it made a a controlled vertical landing at a gentle 4.4 mph.

So far, SpaceX has managed to get its own reusable booster close to its barge platform, but hasn't nailed the landing yet. Elon Musk's company does have a more daunting task, however -- its much larger Falcon 9 reusable first stage is propelling the rocket to an orbital, not suborbital altitude. While SpaceX's rocket separates at a similar height of around 50 miles, its speed at that point is much faster than that of New Shepard -- around Mach 10 compared to Mach 3.7. As a result, it continues to an apogee height of nearly 90 miles, so it has a lot further to fall. During its last attempt, the rocket unfortunately exploded early in the flight, setting the program back significantly.


Read More: http://www.engadget.com


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