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From: yzarn@lhdsy1.chevron.com (Philip Yzarn de Louraille)
Newsgroups: rec.skydiving
Subject: Re: High altitude landings
Message-ID: <918@lhdsy1.chevron.com>
Date: 28 May 91 16:02:29 GMT
References: <15939@life.ai.mit.edu> <6138@ptsfa.PacBell.COM> <1991May24.195359.8410@cc.curtin.edu.au>
Organization: Chevron Oil Field Research, La Habra, CA.
Lines: 11

Yes, the calculations shown by the MIT guy seemed correct but an
increase of only 25% in landing speed at 9000' is wrong. It is not
enough and plenty of people have experienced it. Maybe the velocity
square law does not apply and the velocity law in a linear fashion
applies, in this case, the predicted landing speed is about 50-60%
faster (at 9000') than at sea level. This seems more like it.
-- 
  Philip Yzarn de Louraille                 Internet: yzarn@chevron.com
  Research Support Division                 Unix & Open Systems
  Chevron Information & Technology Co.      Tel: (213) 694-9232
  P.O. Box 446, La Habra, CA 90633-0446     Fax: (213) 694-7709