Quote:
Originally Posted by Crumpp
That is exactly what it says and the 1937 RAF Training Manual talks about boost cut out and emergency ratings on RAF aircraft under the general definitions. It revises the old definitions of "Normal rpm" and Maximum Permissible rpm".
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Do you mean this one: Air Publication A.P.129 Royal Air Force Flying Training Manual Part I - Landplanes?
I will look it up, thanks for the info.