Powerful Class Cruiser (1895)
The two protected cruisers of the Powerful Class were completed in 1897 and 1898.
Armament
Main Battery
The 9.2-in gun turrets were trained and their ammunition hoisted by electric motors.[2]
Secondary Battery
Torpedoes
The aft submerged torpedo tubes were angled 45 degrees abaft the beam.[3]
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.[4]
Gunnery Control
Local Control in Turrets
Transmitting Stations
Dreyer Table
These ships never received Dreyer tables.[5]
Fire Control Instruments
By 1909, both ships were equipped with Siemens Mark I Fire Control Instruments for range, orders and deflection.[6]
The Handbook for Fire Control Instruments, 1909 lists the Mark I equipment for as:[7]
- 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:[8]
- 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.[9]
Torpedo Control
See Also
Footnotes
- ↑ 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.
- ↑ Director Firing Handbook, 1917, pp. 142-3.
- ↑ Handbook of Capt. F.C. Dreyer's Fire Control Tables, 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
- Template:BibUKARTS1902
- 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.
- Template:BibUKDirectorFiringHandbook1917
- Template:BibUKDreyerTableHandbook1918
