Torpedo Director Pattern 2389

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The Torpedo Director Pattern 2389 was a British torpedo director similar to the Pattern 2390, but fitted with a tangent bar so it could be worked from the bridge.[1] It was likely a 60 degree arc, just as the 2390.[Inference]

The 2389a was sturdier and had a solid sight bar, and was probably a 2389 that had been repaired to the new standard, as none of the type was directly manufactured, owing in part to new destroyers not being fitted for fore bridge firing in the 1911 era.[2]

It was initially available by 1910, at least.[3]

See Also


  1. Torpedo Drill Book, 1914, p. 564.
  2. Addenda (1911) to Torpedo Manual, Vol. III., 1909, pp. 170-171.
  3. The Annual Report of the Torpedo School, 1910, p. 32.