Powerful Class Cruiser (1895): Difference between revisions
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===Torpedoes=== | ===Torpedoes=== | ||
There were four submerged 18-in torpedo tubes arranged for broadside fire:{{ARTS1896|pp. 39-40}} | |||
* two forward, depressed three degrees and angled directly abeam; axis of tube was 6 foot 10 inches below load water line and 1 feet 5 inches above deck. | |||
* two aft, depressed three degrees and angled 45 degrees back; axis of tube was 6 foot 10 inches below load water line and 1 feet 5 inches above deck. | |||
==Fire Control== | ==Fire Control== | ||
Revision as of 17:49, 29 October 2013
The two protected cruisers of the Powerful Class were completed in 1897 and 1898.
| Overview of 2 vessels | |||||
|---|---|---|---|---|---|
| Citations for this data available on individual ship pages | |||||
| Name | Builder | Laid Down | Launched | Completed | Fate |
| Powerful | Vickers, Barrow | Feb, 1894 | 24 Jul, 1895 | 8 Jun, 1897 | Sold 31 Aug, 1929 |
| Terrible | Thomson, Clydebank | 1894 | 27 May, 1895 | 24 Mar, 1898 | Sold Jul, 1932 |
Searchlights
In 1907, these ships, along with the later Drake, Cressy, Monmouth and Devonshire classes and battleships of the Majestic, Canopus, London, and Duncan classes, were to land their searchlights from their tops and obtain two additional 24-inch models from their dockyards for placement on the shelter or boat deck.[1]
Armament
Main Battery
The 9.2-in gun turrets were trained and their ammunition hoisted by electric motors.[3]
Secondary Battery
Torpedoes
There were four submerged 18-in torpedo tubes arranged for broadside fire:[4]
- two forward, depressed three degrees and angled directly abeam; axis of tube was 6 foot 10 inches below load water line and 1 feet 5 inches above deck.
- two aft, depressed three degrees and angled 45 degrees back; axis of tube was 6 foot 10 inches below load water line and 1 feet 5 inches above deck.
Fire Control
Rangefinders
Evershed Bearing Indicators
It is unlikely that this equipment was ever provided.[Inference]
Directors
These ships never received directors for main or secondary batteries.[5]
Gunnery Control
Local Control in Turrets
Transmitting Stations
Dreyer Table
These ships never received Dreyer tables.[6]
Fire Control Instruments
By 1909, both ships were equipped with Siemens Mark I Fire Control Instruments for range, orders and deflection.[7]
The Handbook for Fire Control Instruments, 1909 lists the Mark I equipment for as:[8]
- Range: 6 transmitters, 34 receivers
- Orders: 6 transmitters, 24 receivers in Powerful and 20 in Terrible
- Rate: 4 transmitters, 12 receivers
- Deflection: 6 transmitters, 34 receivers
Additionally, the entire class had the following Siemens equipment:[9]
- Group Switches: 3
- Turret fire gongs: 2 with 1 keys
- Fire Gongs: 20 in Powerful, 16 in Terrible, both with 4 keys
- Captain's Cease Fire Bells: 20 with 1 key
These ships lacked Target Visible and Gun Ready signals.[10]
Torpedo Control
See Also
Footnotes
- ↑ Annual Report of the Torpedo School, 1907. p. 35. The location for each ship type was placement stipulated in C.N.2 11884/13066, 13.12.1906.
- ↑ Annual Report of the Torpedo School, 1896. Plate 15.
- ↑ Annual Report of the Torpedo School, 1896. pp. 55-56, Plate 15.
- ↑ Annual Report of the Torpedo School, 1896. pp. 39-40.
- ↑ The Director Firing Handbook. pp. 142-3.
- ↑ Handbook of Captain F. C. Dreyer's Fire Control Tables, 1918. p. 3.
- ↑ Handbook for Fire Control Instruments, 1909. p. 56.
- ↑ Handbook for Fire Control Instruments, 1909. p. 59.
- ↑ Handbook for Fire Control Instruments, 1909. p. 59.
- ↑ Handbook for Fire Control Instruments, 1914. p. 11.
Bibliography
- H.M.S. Vernon. Annual Report of the Torpedo School, 1902. Copy 268 at The National Archives. ADM 189/22.
- Admiralty, Gunnery Branch (1910). Handbook for Fire Control Instruments, 1909. Copy No. 173 is Ja 345a at Admiralty Library, Portsmouth, United Kingdom.
- 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.
- Admiralty, Gunnery Branch (1917). The Director Firing Handbook. O.U. 6125 (late C.B. 1259). Copy No. 322 at The National Archives. ADM 186/227.
- Admiralty, Gunnery Branch (1918). Handbook of Captain F. C. Dreyer's Fire Control Tables, 1918. C.B. 1456. Copy No. 10 at Admiralty Library, Portsmouth, United Kingdom.
| Powerful Class First Class Protected Cruiser | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Powerful | Terrible | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| <– | Edgar Class | Major Cruisers (UK) | Diadem Class | –> | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
