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A comment on NASA has three smartphones orbiting the earth as mini-satellites. Parent comment

Re:NASA has three smartphones orbiting the earth as mini-sat... by Retric on Friday April 26, 2013 @05:19PM (#5615580)
There generally on the bottom stage so they don't reach Anything close to orbit. But what there really useful for is dampening rotations which is hard to fix with a thrust vectoring system.
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Re:NASA has three smartphones orbiting the earth as mini-sat... by pjkundert on Friday April 26, 2013 @06:08PM (#5615784)
Only on single engine stages; with 2 or more engines, damping rotation is no problem.
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