Quote:
Originally Posted by *Buzzsaw*
Yes, but.... according to the RAF documents, except for takeoff, 3000 RPM and +12 boost should only be used over rated altitude, below rated altitude, 2850 rpm was recommended. However, this did not stop pilots from using 3000 rpm and +12 boost down lower.
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This is only a false interpretation propagated by Crumpp. The 2,850 rpm/3,000 rpm restriction is the 30 minute climb rating (+6.25 boost). In normal conditions this is restricted to 2,600 rpm, in combat/emergency condition however 2,850 rpm is permitted below FTH and 3,000 rpm above FTH.
Just think about it: It is not possible to achieve +12 boost above FTH, why put a restrict on a boost for an altitude where this boost is not possible?
But enough of Spitfire talk, this topic is about Bf 109.