7 years ago
Jeff Bezos fires off a blue dart, singes Elon Musk and SpaceX
Amazon supremo Jeff Bezos' rocket company Blue Origin has successfully tested its main engine for the first time. The BE-4 engine is, as the name suggests, Blue Origin's fourth generation rocket. B-1 was a wee thing that boasted 2,200 pounds of thrust. B-2 hit 31,000 pounds and B-3 reached 110,000. The BE-4 cranks things up to 550,000 pounds from a single engine. By way of comparison, the Merlin engine used in SpaceX's rockets emit 190,000 pounds of thrust. Which is why SpaceX packs nine of them into a single Falcon 9 rocket.
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https://www.theregister.co.uk
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