Effect of boost control cutout prior to +12 psi boost modifications

[Kurfurst]

Originally Posted by Redroach

However, I agree that if that conclusion is correct, the FM should be changed to 100 octane across-the-board, since I don't believe that 87 octane was in front-line use after may 10th 1940.
Maybe the Tiger Moth used up remnants, though

Kinda hard to explain then why rougly 2/3s-3/4 of the avgas consumed during the Battle was of 87 octane, with the rest being 100 octane.. as per British avgas consumption figures during the Battle.