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Old 26th Dec 2018, 10:02
  #9 (permalink)  
Genghis the Engineer
Join Date: Feb 2000
Location: UK
Posts: 13,552
Originally Posted by S-Works View Post
Why do we care? Itís not a calculation I have done in the cockpit in 10,000hrs. Perhaps we should
concentrate on the job at hand .....
It's certainly a variation on a calculation I've done many times *out of* the cockpit as an aeronautical engineer, and the basic principle of how and why one value varies with another is one that all pilots surely should know - and how do you learn that if not by doing some sample calculations?

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