Originally Posted by
S-Works
Why do we care? It’s 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?
G