Dreyer Table Mark I*

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The Mark I* Dreyer Table was a moderately improved version of the Mark I table, and probably first deployed in 1915.[1] With a footprint 23% smaller than the Mark III table's[2], it could more comfortably fit within the smaller transmitting stations of the early dreadnought battleships and battlecruisers into which it was retro-fitted.


Mark I* Dreyer Fire Control Table as it appeared by 1918, front
Mark I* Dreyer Fire Control Table c1918, schematic
Mark I* Dreyer Fire Control Table as it would have been crewed in 1918

Particulars

The Mark I* was very nearly identical to the Mark I table, with 2 exceptions:

  • The Mark I* added a gyro-compass input to keep own heading updated on the dumaresq as was done first on the Mark III table.
  • The Mark I*'s gun range was conveyed to a Range Master Transmitter on the T.S. bulkhead.

Deployment

Aside from 2 deployed in monitors, the Mark I* tables were primarily deployed to Hawkins class cruisers.[3]

Ship using Mark I* table Date equipped Notes
Glatton ???
Gorgon ???
Cavendish on completion[Inference] Completed as aircraft carrier Vindictive, she retained her 7.5-in guns and so probably retained her Dreyer table.
Effingham on completion[Inference]
Frobisher on completion[Inference]
Hawkins on completion[Inference]
Raleigh on completion[Inference]

See Also

Footnotes

  1. Brooks. Dreadnought Gunnery and the Battle of Jutland. p. 176.
  2. Handbook of Captain F.C. Dreyer's Fire Control Tables, 1918. p. 90.
  3. Handbook of Captain F.C. Dreyer's Fire Control Tables, 1918. p. 3.

Bibliography