Quote:
Originally Posted by Fenrir
It seems that a minimum of 200mph was recommended, with 230-250 preffered. This represents cruise over friendly/neutral territory; there's no way any self respecting Spitfire pilot wandered around over enemy ground at 170mph - combat cruise should be faster still than even these airspeeds I have given, and at higher revs and boost. I'll see what figures I can find for that, if any.
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Agreed. Unfortunately the Spit IX manual only mentions the MP/RPM settings for most economical cruise speed...no doubt operational settings were discovered by the same method, however, setting +7 boost and reducing RPMs to achieve the desired cruising speed.