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Questions tagged [sr-72]

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5 votes
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Is there currently any heat shielding and paint for speeds of up to Mach 6?

The Blackbird SR71 could travel faster than Mach 3 but its speed was limited to prevent its skin from melting. Its newer variant is said to be named the SR72 and it and other, civilian hypersonic ...
securitydude5's user avatar
5 votes
2 answers

SR-72 --- is the speed reported in this story wrong?

I was just reading this story from Sky news and reported the following Lockheed Martin says it is close to developing a military plane that flies at Mach 6 - six times the speed of sound, which ...
Tasos's user avatar
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4 votes
2 answers

Is there an "SR-72" under development?

The Extreme Tech website reports that Lockheed Martin’s Skunk Works has confirmed that it is developing the SR-72 spy plane. The successor to the SR-71 Blackbird, which was capable of Mach 3.5, ...
Ralph J's user avatar
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4 votes
1 answer

What advantages would a triangular shaped spy plane have over a an SR-71?

This is a picture of the supposed SR-72 Aurora. What kind of advantages would this have over the SR-71, in terms of its triangle design? Paper airplanes have the same shape, and fly really well. The ...
Ethan's user avatar
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