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From Microsoft to commercial space flight: Paul Allen's new venture

Kristin Lewotsky
12/15/2011 07:00 AM EST

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Tim W
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re: From Microsoft to commercial space flight: Paul Allen's new venture
Tim W   12/15/2011 3:27:51 PM
I was also skeptical about the cross-member on the dynamics of load interaction - flex and such. As for weight, just consider that the wings of a 747 are each suspending about 450,000 lb (including their own mass). I was wondering about the tradeoff of adding weight to make the rocket stiff enough to support the mid-point attachment versus just longitudinally stiff for vertical launch and carrying the extra fuel to get aloft, but it's got to be a win to use aerodynamics and lift versus brute force vertical lift. Most of all, I love the scale and vision. Kudos to you, Mr. Allen!

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