SPIT MK I/II and over boost

[Seadog]

Originally Posted by winny

From the history of Trimpell Oil Refinery - Heysham. I'd love to know where they got the '384 Spitfires converted' from, would be interesting to find out.

By May 1940, reconnaissance Spitfires had begun flying combat missions using the 100 octane fuel. By 31 July 1940, there were 384 Spitfires serving in 19 squadrons using the 100 octane fuel.[/I]

According to Dowding there were 19 Spitfire squadrons in RAF FC on July 08 1940:

http://www.ibiblio.org/hyperwar/UN/U...ette/37719.pdf (p4560-61)

but I'm not sure where the 384 figure comes from.