Zenith-List Digest Archive

Mon 05/26/08


Total Messages Posted: 3



Today's Message Index:
----------------------
 
     1. 05:34 AM - Chat Room Reminder (George Race)
     2. 05:58 AM - Re: taxi instructions (John C Edwards)
     3. 06:51 AM - Re: Cabin Pressure (Klaus Truemper)
 
 
 


Message 1


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    Time: 05:34:28 AM PST US
    From: "George Race" <mykitairplane@mrrace.com>
    Subject: Chat Room Reminder
    Please join us for our Monday evening chat room starting around 8:00 PM Eastern Time. <http://www.mykitairplane.com/chat/> http://www.mykitairplane.com/chat/ George CH-701 Registered as N73EX Do Not Archive


    Message 2


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    Time: 05:58:41 AM PST US
    From: John C Edwards <cte82621@centurytel.net>
    Subject: Re: taxi instructions
    I agree the key word is PROGRESSIVE that way they slow it down and give you step by step to each intersection or to the next segment of their intended route to or from a runway.


    Message 3


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    Time: 06:51:37 AM PST US
    From: Klaus Truemper <klaus@utdallas.edu>
    Subject: Re: Cabin Pressure
    Hi John, You raise interesting points. The argument can be readily settled, since aircraft altimeters are very precise instruments for measuring pressure. For the test, one takes an additional altimeter on board on the aircraft. It is not connected to anything. That altimeter is calibrated on the ground, before start of the engine, so that it reads exactly the same as the panel mounted altimeter. Then one takes off and records in flight whether the surplus altimeter reads higher or lower than the panel mounted altimeter. If the surplus altimeter reads lower than the panel mounted altimeter, then cabin pressure is higher than the pressure in the static line, and conversely. BTW, I was a bit bold in saying "always" about lower cabin pressure. This does not apply to pressurized aircraft, and there may be particular designs where it does not hold. But it seems correct for the type of aircraft we are concerned with here. Happy flying, Klaus




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