Faulknor Class Flotilla Leader (1914)

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The four flotilla leaders of the Faulknor Class were completed between 1914 and 1916.

Machinery

Generators

In 1916, it was stated that flotilla leaders have two 26.25 kw dynamos arranged in parallel with an additiona 9 kw oil-fired set for emergency use.[1] It is likely but not certain that this applied to this earlier class.

Armament

4-in Guns

The ships carried six 4-in QF Mark VI 45cal guns[2][3] on P XI mountings.[4] In March, 1918, four of Broke's 4-in guns were replaced by two 4.7-in BL guns on CP VI mountings. The other ships were later similarly equipped.[5]

Other Guns

One 1-pdr (or 1.5-pdr) HA gun and two .303-in Maxim machine guns.[6][7] In Botha and Tipperary, at least, the 1.5-pdrs were later replaced by 2-pdrs Mark I.[8]

When three of the ships served at Dover after the loss of Tipperary, their 4-in guns were outranged by German destroyer guns, prompting the exchange in March 1918 of two 4.7-in BL Mark I guns on CP VI mountings capable of 30 degree elevation for the fore and aft 4-in weapons. With a range of 16,000 yards as opposed to 12,000, the ships were much more dangerous, but weight considerations prevented a complete change to 4.7-in guns.[9][10]

Torpedoes

The ships carried two 21-in torpedo tubes on each broadside, Faulknor and Broke as four single mounts, and the others as two double mounts en echelon.[11]

Fire Control

Rangefinders

The ships featured two 7-foot rangefinders sited on the bridge forward and on the aft searchlight platform.[12]

Evershed Bearing Indicators

Gunnery Control

Control Positions

Control Groups

Directors

Main Battery

Secondary Battery

Torpedo Control

Transmitting Stations

Dreyer Table

These ships had no fire control tables.[13]

Fire Control Instruments

See Also

Footnotes

  1. ↑ Annual Report of the Torpedo School', 1916', p. 120.
  2. ↑ Conway's. p. 77.
  3. ↑ Technical History and Index Vol. 4, Part 34, p. 14.
  4. ↑ March, p. 166.
  5. ↑ March, p. 169.
  6. ↑ Conway's. p. 77.
  7. ↑ March, p. 166.
  8. ↑ March, p. 169.
  9. ↑ Conway's. p. 78.
  10. ↑ Technical History and Index Vol. 4, Part 34, p. 14.
  11. ↑ Conway's. p. 77.
  12. ↑ March, p. 166, caption to photo 21/1.
  13. ↑ absent from list in Handbook of Capt. F.C. Dreyer's Fire Control Tables, p. 3.

Bibliography

  • Admiralty, Gunnery Branch (1910). Handbook for Fire Control Instruments, 1909. Copy No. 173 is Ja 345a at Admiralty Library, Portsmouth, United Kingdom.
  • Template:BibUKDreyerTableHandbook1918

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