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SR-72 Scaled model spotted landing Oct 16 2017 thread

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posted on Nov, 2 2017 @ 11:38 AM
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All they talk about is in the Mach 6+ range, barely hypersonic. I really doubt they are aiming for high hypersonic speeds with the SR-72.




posted on Nov, 5 2017 @ 12:07 PM
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originally posted by: darksidius
a reply to: penroc3
Sure mach 20 in the atmosphere is a Madness at the limit of the impossible , mach 6 is more of the range of possibility.



Mach 20 is ICBM re-entry speeds. Those take a---to be technical--big ass rocket---the kinetic energy gained going up is what you get coming back down, concentrated in something very small.



posted on Nov, 5 2017 @ 12:51 PM
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a reply to: Sammamishman

Pretty much what ive been hinting at this whole time



 
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