Quote:
Originally Posted by Crumpp
All aircraft fuel must be specified.
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100 Octane was always called 100 Octane in RAF service, right throughout the war; the relevant designation was B.A.M (British Air Ministry) 100, but it was seldom referred to as such, being referred to in Pilot's Notes right through the war as 100 Octane with no D.T.D = Directorate of Technical Development, which dealt with developing equipment, aircraft and stores for the RAF.
Because 100 Octane fuel was developed outside of the RAF and Air Ministry's direct control as a private venture by oil companies it was never allocated a DTD number.
Quote:
Originally Posted by Glider
I do like the way that the big questions get ignored while attention is diverted down side streets.
However there is no doubting that on average 10,000 tons of the stuff was consumed each month from April - July 1940. We have combat reports that say that it was used and station reports that say that they had been equipped with 100 octane. We also know that Bomber Command, Transport Command, Coastal Command, Non Operational units didn't use it until post August 1940
So if the nay sayers say that FC didn't use it, who did?
Its worth remembering that the whole of the UK only used 36,000 tons of fuel a month so 10,000 tons is just under 30% of the fuel used in the UK. Now if Crumpp can give a reply to that question with some evidence instead of just another theory then its worth paying attention to it.
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Note also that the only engines cleared to use 100 Octane fuel in 1940 were Merlin II & III, XII and XX and the Bristol Mercury XV - which is a very good indicator as to what aircraft types used 100 Octane fuel.