Revenge Class Battleship (1914)

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Fire Control

Rangefinders

Evershed Bearing Indicators

All 5 units were likely fitted with this equipment[Inference].

Details likely resembled those for the King George V class.

Gunnery Control

The control arrangements were almost certainly developed along lines similar to the King George V class, outlined here as follows[Inference].

Control Positions

  • Gunnery control tower
  • 'B' turret
  • 'X' turret

Control Groups

The four 15-in turrets were each a separate group with a local C.O.S. so that it could be connected to

  • Transmitting Station
  • Local control from officer's position within turret

The 6-in guns were probably divided into 2 broadside groups, port and starboard.

Directors

Main Battery

These ships were fitted with 2 cam-type tripod-mounted directors, one in an armoured tower and one in a light aloft tower[1], as well as a directing gun in the 'X' turret[2].

The battery's fire could be divided into fore ('A' & 'B') and aft ('X' & 'Y') groups, with a C.O.S. in the TS affording these options[3]:

  1. all on aloft director
  2. all on armoured director
  3. all on directing gun
  4. forward group on aloft director, aft group on armoured director
  5. forward group on armoured director, aft group on directing gun

Secondary Battery

The 6-in broadside guns were supported by a pair of pedestal-mounted directors[4], situated to port and starboard on her forward superstructure. There were no options to use a director other than the one on the given broadside.

Torpedo Control

Transmitting Stations

Dreyer Table

These ships each had a Mark IV* Dreyer table (though it is possible Ramillies had a Mark V table)[5], and 4 (?) Dreyer Turret Control Tables[6].

Shipwide Network

It is likely that the ships continued the pattern first established in the Colossus class, all 5 units used Vickers F.T.P. Mark III range and deflection instruments to the gun sights and Barr and Stroud (probably Mark II*[Inference]) instruments for other purposes[7].

The ships had Gun Ready signals in the TS and control positions, but had no Target Visible signals[8].

See Also

Footnotes

  1. ↑ The Director Firing Handbook, 1917. p. 142.
  2. ↑ The Director Firing Handbook, 1917. pp. 88, 142.
  3. ↑ The Director Firing Handbook, 1917. pp. 88-9.
  4. ↑ The Director Firing Handbook, 1917. p. 143
  5. ↑ Handbook of Capt. F.C. Dreyer's Fire Control Tables, p. 3.
  6. ↑ Handbook of Capt. F.C. Dreyer's Fire Control Tables, p. 3.
  7. ↑ Handbook for Fire Control Instruments, 1914, pp. 72.
  8. ↑ Handbook for Fire Control Instruments, 1914, p. 11.

Bibliography

Admiralty, Gunnery Branch (1914). Handbook for Fire Control Instruments, 1914. G. 01627/14. C.B. 1030. Copy 1235 at The National Archives. ADM 186/191. Template:BibUKDirectorFiringHandbook1917 Template:BibUKDreyerTableHandbook1918

Template:Revenge Class (1914)

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