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Old 15th Sep 2016, 19:00
  #15 (permalink)  
ORAC
Ecce Homo! Loquitur...
 
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Well, unless things have changed, the ballpark figure is 2,300-2700fpm, so quoting 3000fpm sounds fair at the altitude in Afghanistan.

http://www.dtic.mil/dtic/tr/fulltext/u2/a151380.pdf
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