[Glider]

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Can anyone supply any information (apart from a pre war planning paper) that indicates that 100 Octane wasn't available to all of fighter Command.

The only one that I can think of is the posting from Pips which I have commented on in some detail and I cannot believe that anyone will nail their flags to that mast.

In the WW2aircraft forum Kurfurst did just that until awkward questions were asked such as:-
a) How do 30+ different squadrons share 125 aircraft
b) What happens about replacements
c) Why would a nation fighting for its life leave 350-400, 000 tons of high octane fuel sitting around unused when the changes to the aircraft were small and the impact in performance huge.

What evidence do they have remembering that every book both tactical and technical by every historian and every memoir supports the fact that it was supplied.

You can agree or disagree with what I and others have posted, lets see what evidence you can supply for us to agree or disagree.