Some visual of air cooled engines fuel cooling at rich
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Funny these days we dont see much of it other than aircraft fitted with lean assist i dont understand why that would be strange hey.
Interesting point made.
https://www.tandfonline.com/doi/full...30?src=recsys&
Through the efforts of organizations like the Royal Aircraft Factory/Establishment and the valve manufacturers, better materials were adopted, but these were simple modifications of alloys which were in use. It was only after the Second World War that materials were specifically developed for exhaust valves. Even this was probably more a result of the shortage of nickel. The other materials just happened to be in the right place at the right time, the classic example being Nichrome, originally developed for electric toasters. Even today, the factors which cause valves and seats to fail are still not properly understood at a fundamental level.
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Some visual of air cooled engines fuel cooling at rich
More cooling fuel on the Merlin
If only the Allies had known and removed all those unnecessary radiators and all that plumbing....