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Minuteman Minuteman is online now

Old Skool

About Me

  • About Minuteman
    Location
    Austin, TX
    Ratings
    Voted "Best"
    Flight Time
    Every minute
    Aircraft Type
    The ones with wings
  • Signature
    "We are Miracle Whip, and we will not tone it down!"

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  • Last Activity: Today 22:52
  • Join Date: May 16th, 2003

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Latest Blog Entry

Posted June 10th, 2008 at 02:03 by Minuteman Comments 1
Posted in Uncategorized
I went out for a run tonight and the mind was wandering:

Why did the SR-71 need ¾ of Arizona to make a 90º turn?

If the aircraft is traveling at M=3.0, that's roughly 30 miles a minute. A standard-rate 90º turn should take 30 seconds, or about 15 miles. 2-pi-r is the circumference of a circle, so a standard-rate turn at Mach 3 should be roughly a 5 nm circle, not 300 nm.

Something don't compute, and its probably that the SR-71 doesn't do standard-rate...
Recent Comments
The myths about supersonic...
Posted June 23rd, 2008 at 11:53 by skidz skidz is offline

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