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A comment on British aerospace company claims biggest engine advance since the jet. Parent comment

Re:British aerospace company claims biggest engine advance s... by stephengillie on Wednesday November 28, 2012 @02:13PM (#4844122)
Can it take off from Mars? In another HN thread a month ago, we discussed how Mars' atmosphere is so thin that a Cessna would need 747 wings and near Mach 1 velocity to take off.
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Re:British aerospace company claims biggest engine advance s... by wololo on Wednesday November 28, 2012 @04:13PM (#4844793)
fyi: https://news.ycombinator.com/item?id=4261806, https://news.ycombinator.com/item?id=4608595
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Re:British aerospace company claims biggest engine advance s... by ricardobeat on Wednesday November 28, 2012 @02:54PM (#4844337)
Rockets are propelled by their own exhaust.
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