NRP Vouga (D334)

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Contratorpedeiro NRP. "Vouga" (D334).jpg
Vouga
History
Flag of Portugal.svgPortugal
NameVouga
Namesake Vouga River
Builder Yarrow, Scotstoun
Launched25 January 1933
Commissioned24 June 1933
FateStricken, early 1960s
General characteristics (as built)
Type Douro-class destroyer
Displacement
Length323 ft (98.5 m)
Beam31 ft (9.4 m)
Draught11 ft (3.4 m)
Installed power
Propulsion2 shafts; 2 × geared steam turbines
Speed36 knots (67 km/h; 41 mph)
Range5,400  nmi (10,000 km; 6,200 mi) at 15 knots (28 km/h; 17 mph)
Complement147
Armament

NRP Vouga was one of five Douro-class destroyer built for the Portuguese Navy during the 1930s. She remained in service until the early 1960s.

Contents

Design and description

The Douro-class ships were designed by the British shipbuilder Yarrows and were based on Ambuscade, a prototype destroyer built for the Royal Navy in 1926 by Yarrow. [1] They were 323 feet (98.45 m) long overall, with a beam of 31 feet (9.45 m) and a draught of 11 feet (3.35 m). The ships displaced 1,219 long tons (1,239 t) at standard load and 1,563 long tons (1,588 t) at full load. [2]

The Douros were powered by two Parsons-Curtis geared steam turbines, each driving one propeller shaft using steam provided by three Yarrow boilers. The turbines, rated at 33,000 shaft horsepower (25,000  kW ), were intended to give a maximum speed of 36 knots (67 km/h; 41 mph). The destroyers carried enough fuel oil to give them a range of 5,400 nautical miles (10,000 km; 6,200 mi) at 15 knots (28 km/h; 17 mph). [2] [3] [lower-alpha 1]

Armament was similar to contemporary Royal Navy destroyers, with a gun armament of four 4.7 in (120 mm) Vickers-Armstrong Mk G guns, and three 2-pounder (40 mm (1.6 in)) Mk VIII anti-aircraft guns. Two quadruple banks of 21-inch (533 mm) torpedo tubes were carried, while two depth charge throwers and 12 depth charges constituted the ships' anti-submarine armament. Up to 20 mines could be carried. The ships' complement consisted of 147 officers and men. [2]

Construction and career

The five destroyers carried out patrols to defend Portugal's neutrality during the Second World War. Their anti-aircraft armament was revised during 1942–1943, with the 40 mm guns and one of the banks of torpedo tubes replaced by six 20 mm cannon. [4] [1] The ships were refitted by Yarrow from 1946 to 1949, with the machinery refurbished, anti-aircraft armament again revised to three Bofors 40 mm gun in powered mounts and three 20 mm cannon. Sonar and British Type 285 and Type 291 radars were fitted. [5]

Notes

  1. Vouga made an average speed of 36.17 knots (66.99 km/h; 41.62 mph) at 32,255 shaft horsepower (24,053 kW) during sea trials. [4]

Citations

  1. 1 2 Roberts 1980, p. 397.
  2. 1 2 3 Whitley 1988, pp. 221–222.
  3. "Portuguese Navy: Keels of Two Destroyers Laid". The Straits Times . 15 July 1932. p. 3.
  4. 1 2 Whitley 1988, p. 222.
  5. Lyon & Chumbley 1995, p. 317.

Sources

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