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kach22i kach22i is offline
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Join Date: Mar 2004
Location: Michigan
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April 22, 2016
NASA Moves to Begin Historic New Era of X-Plane Research

Quote:
Recent research has shown it is possible for a supersonic airplane to be shaped in such a way that the shock waves it forms when flying faster than the speed of sound generate a sonic boom so quiet it hardly will be noticed by the public, if at all.

The resulting sonic “boom” has variously been described as like distant thunder, the sound of your neighbor forcefully shutting his car door outside while you are inside, or as the thump of a “supersonic” heartbeat.
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Old 09-08-2016, 06:27 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    #79510 (permalink)