A.P. 129 RAF Flying Training Manual, Part I - Landplanes

[NZtyphoon]

Originally Posted by Crumpp

That is correct.

According to the RAF, the pilot could use boost cut out to achieve more power under any circumstances he felt balanced his risk.

Therefore, you will see it's use and it not surprising at all that running the engine at such an overloaded condition got attention from Dowding.

What a load of nonsense! Dowding referred specifically to +12 lbs boost which could only be attained with 100 Octane fuel - his memo had absolutely nothing to do with the rubbish you are trying to peddle;