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Originally Posted by Corsair9

For some odd-ball reason all flight sim developers appear to ignore the +12 boost advantage that 100 octane fuel and the CS propeller gave both the Spitfire and Hurricane. I'm not sure why this is, but it is. It appears this is the same for this sim (I don't have a copy of it.)

It’s been public knowledge since the publication of the March 28, 1940 issue of Flight Magazine, in the case of 100 octane and the May 23, 1940 issue of Flight, in the case of the constant speed propeller.

"The 100-octane fuel (which enables the Merlin to receive no less than 12 lb. boost in emergency) must have been an asset."

"A new airscrew specially designed for the fast single-engined fighters of the Royal Air Force, but which can, of course, be applied for civil purposes, is now in production at the factory of Rotol Airscrews, Ltd., and is also in service with the squadrons."

So flight sim developers haven’t much excuse for getting it wrong every time

Thanks for sharing the 100 octane info, very interesting!

Originally Posted by Viper2000

I wrote the OP because the engine instruments indicate that we've got 87 octane fuel, and I figure that if we're going to have the wrong fuel modelled, we might as well have it modelled correctly.

<Chuckle></Chuckle>I still maintain we should have the right fuel modeled and model that correctly