Quote:
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No evidence ever appeared that showed any submarine deck gun being fired at a rate faster than 22 seconds per round in actual combat conditions
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See:
"
The Battle of the Atlantic" by Andrew Williams, p.74 excerpt from Otto Kretschmer U-99 log of 2 August 1940 06.24-06.30 (six minutes)
"Thirty shots at 2500m with gun, aiming at the ship [Alexia, steamer, 8016 tons] that is now sending radio signals requesting the presence of destroyers. Approximately 15-20 shots on target, most of which are into the waterline of the ship and her engine room..."
360 seconds / 30 rounds = 1 shot every 12 seconds.
I realize this is about Fleet boats, but, one would think gun crews of time period navies would be similar.