Tribal class destroyer (1905)

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Tribal or F class

 RN Ensign
General Characteristics
Displacement: 860 - 940 tons
Length: 275 ft
Beam: 28 ft
Draught: 8 ft 6 in
Propulsion: 2 or 3 shaft steam turbines, 12,500 shp
Speed: 33 kt
Range: 90 tons oil
Complement: ?
Armament:

5 x QF 12 pdr 12 cwt Mark I, mounting P Mark I, or;
2 x BL 4 in L/40 Mark VIII, mounting P Mark V
2 x single tubes for 18 in torpedoes

The Tribal or F class was a class of destroyer built for the Royal Navy. Twelve ships were built Between 1905 and 1908 and all saw service during World War I, where they saw action in the North Sea and English Channel as part of the 6th Flotilla and Dover Patrols.

Contents

[edit] Design

The River or E class destroyers of 1903 had made 25.5 knots on the 7,000 ihp provided by triple expansion steam engines and coal-fired boilers. In November 1904, First Sea Lord "Jackie" Fisher proposed that the next class of destroyers should make at least 33 knots and should use oil-fired boilers and steam turbines as a means of achieving this. This resulted in a larger ship to provide the required doubling of installed power over their predecessors, but also pushed the design to the limits of capability of contemporary technology. As a result, the Tribals were severely compromised and a somewhat retrograde step after the excellent River class; they were lightly built and proved to be fragile in service. More alarmingly however, they were only provided with 90 tons of bunkerage, and with high fuel consumption resulting from the unheard of power of 12,500 shp, they were very uneconomical and had a severely limited radius of action; Afridi and Amazon once used 9.5 tons of oil each simply to raise steam for a three-mile return journey to a fuel depot!

Design details were left to the individual builders, as was Royal Navy practice at the time for destroyers. As a result there was some heterogeneity of appearance, with the number of funnels varying from three to six in Viking; the latter, with two single and two pairs of funnels becoming the only six-funnelled destroyer ever built. With a light mainmast aft, they were the first British destroyers to have two masts.

Armament was increased over the E class from four to five QF 12 pounder guns, with the number of torpedoes remaining at two 18 inch tubes. From the sixth ship, Saracen, onwards, however, the armament was again increased, to a pair of QF 4 inch guns, with one gun mounted on a small shelter deck forward and another on the quarterdeck.

[edit] Ships

[edit] See also

[edit] Bibliography


Tribal class destroyer (1905)
Afridi | Amazon | Cossack | Crusader | Gurkha | Maori | Saracen | Mohawk | Nubian | Viking | Tartar | Zulu | Zubian


List of destroyers of the Royal Navy
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