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Old 09-29-2017, 11:07 AM   #109
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It was a common tactic of the U-boat to shoot "im Abdrehen", "while turning", during a night surface attack to enable a quicker escape, a tactic which was made possible by this feature of the TDC
I could be wrong here, but I think that tactic was actually used when shooting without TDC and with zero gyro angle. The necessary lead was calculated beforehand, and then the uboot turned to escape and let the torpedo when reaching the bearing to target needed for the calculated lead. This was also a tactic employed by torpedo boats (S-Boats). The reason for using it with no TDC is that it was a mechanical device, not a digital one, and as such the huge cascade of tooth-wheels needed some seconds to update the calculations after any change in the inputs. So shooting while the uboot was turning essentially threw off the solution and was not used.
One day I will return to sea ...
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