Difference between revisions of "Formidable Class Battleship (1898)"
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* Captain's Cease Fire Bells: 18 with 1 key | * Captain's Cease Fire Bells: 18 with 1 key | ||
− | ''Irresistible'' was equipped with [[Vickers|Vickers, Son and Maxim]] instruments for range, deflection and orders and with [[Barr and Stroud]] [[Range Rate|rate]] instruments<ref>''Handbook for Fire Control Instruments, 1909''. p. 56.</ref> Detailed information is lacking, but might be similar to [[London Class Battleship (1899)# | + | ''Irresistible'' was equipped with [[Vickers|Vickers, Son and Maxim]] instruments for range, deflection and orders and with [[Barr and Stroud]] [[Range Rate|rate]] instruments<ref>''Handbook for Fire Control Instruments, 1909''. p. 56.</ref> Detailed information is lacking, but might be similar to [[London Class Battleship (1899)#Fire Control Instruments|''London'' class]] or another such.{{INF}} |
These ships lacked ''Target Visible'' and ''Gun Ready'' signals.<ref>''Handbook for Fire Control Instruments, 1914''. p. 11.</ref> | These ships lacked ''Target Visible'' and ''Gun Ready'' signals.<ref>''Handbook for Fire Control Instruments, 1914''. p. 11.</ref> | ||
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[[Category:Formidable Class (1898) Battleship]] | [[Category:Formidable Class (1898) Battleship]] | ||
− | {{ | + | {{Formidable Class (1898)}} |
Revision as of 18:11, 22 September 2009
Fire Control
Though it may have little relevance given the age difference, the general system of wiring between the TSs in ships prior to Lord Nelson class is illustrated in Handbook for Fire Control Instruments, 1914.[1]
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.[2]
Gunnery Control
The ship's guns were organized in 3 groups:[3]
- Two 12-in turrets
- Starboard 6-in guns ('A' & 'X')
- Port 6-in guns ('B' & 'Y')
Local Control in Turrets
There was no provision in these ships for local turret control wherein the receivers in the turret could be driven by transmitters in the officer's position at the back of the turret.[4]
Transmitting Stations
These ships likely had fore and aft TSes.[5][Inference]
A C.O.S. allowed[Inference] control options of
- Fore
- After
- Separate
Each control group had transmitters with a pair of receivers, one wired directly to the transmitter as a tell-tale, and the other fed off the wires going to the distant guns (i.e., the aft guns for the fore TS and vice-versa) as a repeat. "These repeat receivers are necessary to keep the idle transmitters in step; when changing back from separate control they are required to enable both halves of the group to be set alike before being paralleled on to one transmitter."[6]
Dreyer Table
These ships never received Dreyer tables.[7]
Fire Control Instruments
By 1909, Formidable and Implacable were equipped with Barr and Stroud Mark II Fire Control Instruments for range and rate, B & S Mark I for orders, and Vickers instruments for deflection. There is a conspicuous lack of mention of equipment for Irresistible, though some references apply to the class.[8]
The Handbook for Fire Control Instruments, 1909 lists the equipment on this class as:[9]
- Range (B. & S. Mark II): 6 transmitters, 30 receivers
- Orders (B. & S. Mark I): 6 transmitters, 20 receivers
- Rate (B. & S. Mark II): 4 transmitters, 8 receivers
- Deflection (Vickers): 6 transmitters, 26 receivers
Additionally, this class had the following Siemens fire control equipment:[10]
- Group Switches: 3 (converted by Chatham)
- Turret fire gongs: 8 with 2 keys
- Fire Gongs: 12 with 4 keys
- Captain's Cease Fire Bells: 18 with 1 key
Irresistible was equipped with Vickers, Son and Maxim instruments for range, deflection and orders and with Barr and Stroud rate instruments[11] Detailed information is lacking, but might be similar to London class or another such.[Inference]
These ships lacked Target Visible and Gun Ready signals.[12]
Torpedo Control
See Also
Footnotes
- ↑ Handbook for Fire Control Instruments, 1914. p. 50 & Plates 50 and 54(I).
- ↑ Director Firing Handbook, 1917. pp. 142-3.
- ↑ Handbook for Fire Control Instruments, 1914. p. 8.
- ↑ Handbook for Fire Control Instruments, 1914. p. 50.
- ↑ Handbook for Fire Control Instruments, 1914, p. 50 & Plates 50 and 54(I).
- ↑ Handbook for Fire Control Instruments, 1914. pp. 50-1.
- ↑ Handbook of Capt. F.C. Dreyer's Fire Control Tables. p. 3.
- ↑ Handbook for Fire Control Instruments, 1909. pp. 58-9.
- ↑ Handbook for Fire Control Instruments, 1909, p. 59.
- ↑ Handbook for Fire Control Instruments, 1909, p. 59.
- ↑ Handbook for Fire Control Instruments, 1909. p. 56.
- ↑ Handbook for Fire Control Instruments, 1914. p. 11.
Bibliography
- 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
- Template:BibParkesBritishBattleships