The Bristol f.2b Fighter makes one of my favourite aircraft sounds. Each time I record it I discover another facet of the complex soundscape it generates. The sounds the Rolls-Royce Falcon III on this machine makes sounds like the whine of a supercharger when you get downwind of it flying but I think this is the sound of the epicyclic gearing, which I think in itself is a unique feature in an engine this early.
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The picture below was taken during the display.
Bristol Fighter, August 2009