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#191
January 13th 04, 05:59 PM
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On Mon, 05 Jan 2004 18:07:59 -0700, Michael Williamson
wrote: That is to say that if you take off from sea level and climb to 10,000', the cabin altitude will steadily climb, at a rate set by the cabin pressure controller, toward 8,000'. If you were to level off at 5,000' and stay there long enough for the cabin pressure to catch up, it will maintain 5,000' until the aircraft begins to climb again, This is not true on Boeing aircraft. In flight, the pressure controller maintains a "proportional" pressure differential between aircraft and cabin altitude. If the aircraft levels off at an intermediate altitude, the cabin will not continue to climb but will level off also - it will not "catch up" to the aircraft (actual) altitude. (This only refers to Boeing aircraft and the DC-9. YMMV.) -J Jack Davis B-737 -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- 
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#192
January 13th 04, 06:04 PM
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On Fri, 2 Jan 2004 23:09:12 -0500, "John Gilmer"
wrote: Just how does the psia in the cabin track the psia "ambient." This information is fed to the pressure controller by the Air Data Computer (ADC) on older aircraft and by the Air Data Inertial Reference Unit (ADIRU) on newer aircraft. -J Jack Davis B-737 -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =-----
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#193
January 13th 04, 07:10 PM
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"Jack Davis" wrote in message ... (This only refers to Boeing aircraft and the DC-9. YMMV.) The DC-9 is a Boeing aircraft these days (danged mergers and acquisitions).
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#194
January 13th 04, 08:52 PM
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On Tue, 13 Jan 2004 14:10:03 -0500, "Ron Natalie"
wrote: The DC-9 is a Boeing aircraft these days (danged mergers and acquisitions). I figured someone would jump on that... I will *never* be able to call the -9 a Boeing! -J Jack Davis B-737 -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =-----
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