Quote:
Originally Posted by Crumpp
Slow down and tell me where you get the 78.54 MAC on that sheet.
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Report RM2535
http://aerade.cranfield.ac.uk/ara/dl...rc/rm/2535.pdf
and (wing and datum point are the same on the Spitfire IX)
http://www.spitfireperformance.com/ab197datum.gif
Quote:
Originally Posted by Crumpp
The reason the NACA used percentage MAC is because they did their own weight and balance analysis.
The ONLY number that is comparible...is the percentage MAC!!!
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They gave exact reference point, wing leading edge at the root and they (NACA) admited that their measurements for MAC maybe somewhat in error.
Quote:
Originally Posted by Crumpp
WTF, are we going down the rabbit hole like your "superchargers see pressure altitude"???
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Well, just like in the other discussion, you ignore the data (USAF handbook) which does not support you and post some irrelevant stuff or accusations.
I don't play that game, let the people see the data and decide themselves.