Torpedo Director Pattern 2390

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Robinson Disc[Inference] added to 2390 to set course of enemy as expressed as inclination.[1]
Note the lack of any graduations on the sighting arm.

The Torpedo Director Pattern 2390 was a British Torpedo Director available by 1912 at least, and supplied to torpedo craft with heater torpedoes.

Similar to the Pattern 1895, but graduated for higher torpedo and enemy speeds.[2][3][4]

It was not circular, and probably a 60 degree arc like the 1895.[5][Inference] It lacked graduations on its sighting arm, but by 1916 at least, they sported inclination discs.

The Pattern 2390a had more rigid pivots, sturdier construction, and a sighting arm that was solid rather than slotted, and made of hard rolled brass.[6]

See Also

Footnotes

  1. ↑ The Annual Report of the Torpedo School, 1914, Plate 11.
  2. ↑ Torpedo Drill Book, 1912, p. 494.
  3. ↑ Torpedo Drill Book, 1914, p. 564.
  4. ↑ Handbook of Torpedo Control, 1916, p. 16.
  5. ↑ Handbook of Torpedo Control, 1916, p. 16.
  6. ↑ Handbook of Torpedo Control, 1916, p. 16.

Bibliography

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