Emerald Class Cruiser (1920): Difference between revisions
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Revision as of 20:20, 14 September 2012
The two light cruisers of the Emerald Class were completed in 1926. A third vessel, Euphrates, was not completed.
Armament
Guns
Seven 6-in guns, 5 on the centre-line and a tandem pair of single mounts forward, had a maximum elevation of 30 degrees.[1][2]
Torpedoes
Fire Control
Range Dials
As of 1920, both ships had a Range Dial Type C with a 10 foot dial.[3]
Rangefinders
Mechanical Aid-to-Spotter
By 1920, both ships were likely equipped with four Mechanical Aid-to-Spotter Mark II*s with Evershed Bearing Transmitters.[4] The installations generally consisted of placing one on each side of the foretop, driven by flexible shafting from a gearbox on the director tower.[5]
Supplies of these devices began in June 1918.[6]
Evershed Bearing Indicators
These ships almost certainly had Evershed gear for gun control from delivery, and would also feature Evershed installations for searchlight control after orders for such installations from February 1917.[7]
Gunnery Control
Control Positions
Control Groups
Directors
All ships were completed with gunnery directors in place.[8]
The director was likely on a pedestal mounting in a tower on the foremast. "X" or 'Y' may have served as a directing gun in addition.[9]
Transmitting Stations
Dreyer Table
In 1930, they are noted as possessing a Dreyer Table Mark III*,[10] presumably installed upon completion.
Fire Control Instruments
Torpedo Control
See Also
Footnotes
- ↑ Progress in Naval Gunnery, 1914-1918", p. 10.
- ↑ Conways, p. 64.
- ↑ Manual of Gunnery of H.M. Fleet, Volume III, 1920, p. 45.
- ↑ Manual of Gunnery, Volume III, 1920, p. 35.
- ↑ Manual of Gunnery of H.M. Fleet, Volume III, 1920, p. 35, 37.
- ↑ The Technical History and Index: Fire Control in HM Ships, 1919, pp. 25-6.
- ↑ The Technical History and Index: Fire Control in HM Ships, 1919, p. 29.
- ↑ The Technical History and Index: Fire Control in HM Ships, 1919, p. 11.
- ↑ Handbook of Captain F.C. Dreyer's Fire Control Tables, 1918., p. 142 and plate opposite.
I am inferring that the pattern of installation prevalent on the larger light cruisers would be adopted. - ↑ Admiraly. Pamphlet on Mark III* Dreyer Table, 1930, p. 1.
Bibliography
- Template:BibUKDirectorFiringHandbook1917
- Admiralty, Gunnery Branch (1910). Handbook for Fire Control Instruments, 1909. Copy No. 173 is Ja 345a at Admiralty Library, Portsmouth, United Kingdom.
- Template:BibUKDreyerTableHandbook1918
- Template:BibUKFireControlInHMShips1919
- Admiralty, Gunnery and Torpedo Division (July, 1919). Progress in Naval Gunnery, 1914-1918. C.B. 902. The National Archives. ADM 186/238.
| Emerald Class Light Cruiser | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Emerald | Enterprise | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| <– | Capetown Class | Minor Cruisers (UK) | Leander Class | –> | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
