Inaccurate performance data for BOB fighters in COD comparing to RL data

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Originally Posted by NZtyphoon

100 Octane fuel was being used by the fighter squadrons of the BEF during the Battle of France, as well as home based fighter squadrons and several Blenheim bomber units, more than enough to prove the use of the fuel operationally;...

Yes, that's right, however, its interesting to note that stations were supplied with 100 octane fuel and squadrons were consuming 100 octane back in 1937 and 1938. The following document lists six stations and three squadrons that received 100 octane fuel during 1937 - 1938. 90 Squadron flying Blenheims, 98 Squadron flying Hawker Hinds, and 201 squadron flying Saro Londons were using 100 octane fuel during trials in 1937 and 1938. Also worthy of note is the listing of Hucknall, which is where Rolls-Royce had their Experimental Flight Test Establishment.



We also know that the following units were supplied with 100 octane during 1938.

Duxford: No. 19 in Spitfire I, No. 66 in Gloster Gauntlet II
Debden: No. 85 & No. 87 in Hawker Hurricane
Northholt: No. 111 in Hawker Hurricane
Digby: No. 46 in Gaunlet II & No. 73 in Hurricane




It bears repeating that the use of 100 octane fuel for Hurricanes and Spitfires was approved by 24 September 1938.