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

[NZtyphoon]

Originally Posted by lane

Hi NZtyphoon:

One small correction if I may regarding the Westland Whirlwind:

In Victor Bingham "Whirlwind: The Westland Whirlwind Fighter (Airlife Publishing, 1987) he wrote that in April 1940 the Director of Design/Research and Development in the Air Ministry, W Farren, commented that it was wrong that one of the latest types of fighter aircraft (the Whirlwind and its Peregrines) was only rated to use 87 Octane fuel instead of 100. (p.36)

The photo is of a 137 Sqn "Whirlybomber" from at least mid-to late 1942, so is it possible that the R-R Peregrine was rated to use 100 Octane by then?