REFLECTOR: Air pressure question...

[J.P. Brooks]

You will loose half your pressure at 18,000 feet....   half the atmosphere 
better said


At 08:27 PM 6/16/2005, you wrote:
>Hiro,
>Following is data to 15K
>Alt in hg PSI
>SL 29.92 14.7
>1000 28.86 14.2
>2000 27.82 13.7
>3000 26.81 13.2
>4000 25.84 12.7
>5000 24.9 12.2
>6000 23.98 11.8
>7000 23.09 11.3
>8000 22.23 10.9
>9000 21.39 10.5
>10000 20.58 10.1
>11000 19.8 9.7
>12000 19.03 9.3
>13000 18.3 9.0
>14000 17.58 8.6
>15000 16.89 8.3
>----- Original Message -----
>From: <mailto:humeno at microsoft.com>Hiroo Umeno
>To: <mailto:reflector at tvbf.org>Velocity Aircraft Owners and Builders list
>Sent: Thursday, June 16, 2005 9:34 PM
>Subject: REFLECTOR: Air pressure question...
>
>I am not too up on my physics so I would like to pick the community's 
>collective brains on a little air pressure question.
>
>
>
>The air pressure at sea level is about 14.5psi.  What is the air pressure 
>at, say 20,000ft msl?
>
>
>
>Also, what would be the pressure differential (in PSI) at 250KIAS between 
>Pitot and Static ports?
>
>
>
>Thanks.
>
>
>
>Hiroo
>
>
>----------
>_______________________________________________
>To change your email address, visit 
>http://www.tvbf.org/mailman/listinfo/reflector
>
>Visit the gallery!  www.tvbf.org/gallery
>user:pw = tvbf:jamaicangoose
>Check new archives: www.tvbf.org/pipermail
>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>_______________________________________________
>To change your email address, visit 
>http://www.tvbf.org/mailman/listinfo/reflector
>
>Visit the gallery!  www.tvbf.org/gallery
>user:pw = tvbf:jamaicangoose
>Check new archives: www.tvbf.org/pipermail
>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.tvbf.org/mailman/private/reflector/attachments/20050622/83152c04/attachment.htm