Standing in front of a massive radial engine as it revs up to shut down is quite a noise. This is a snippet of what it sounds like.

The recording and the image are of the same aircraft. This aircraft is powered by a single 840 hp (627 kW) Bristol Mercury IX air-cooled radial piston engine.

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Gladiator in pre-Second World War RNoAF colours

Gladiator in pre-Second World War RNoAF colours

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