"R" Class Destroyer (1916)

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A total of 62 destroyers of the "R" Class were completed in 1916-1917 as part of the War Emergency Programme.

There was a mix of Admiralty design vessels (39) and a diverse set of builder's specials (12 ships), and a refined Admiralty design (11 ships) that is sometimes referred to as the Modified "R" Class.[1]

Performance

Armament

4-in Guns

The first 51 Admiralty design ships and specials had three 4-in QF Mark IV guns on P IX mountings as in the preceding "M" class destroyers.

The eleven modified "R" class ships had three 4-in QF Mark IV guns on CP III mountings capable of 30 degree elevation, increasing extreme range by 20%.[2]

Other Guns

By 1920, some or all had one 2-pdr pom-pom for air defence.[3]

Torpedoes

Other Weapons

Fire Control

Instruments

Rangefinders

Directors

Torpedo Control

See Also

Footnotes

  1. Conway's. pp. 76-77, 79-80.
  2. Conway's. p. 82. indicates Mk V, but Technical History and Index, Vol 4, Part 34. pp. 12-13. spells out the CP III mounting and also that the CP II mounting is the one compatible with a Mk V gun.
  3. Technical History and Index, Vol 4, Part 34, p. 16.

Bibliography

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