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NRP Tejo (D335)

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Douro-class destroyer of the Portuguese Navy, in service from 1935 to 1965
Tejo
History
Portugal
NameTejo
NamesakeTejo River
BuilderLisbon Dockyard
Launched4 May 1935
Commissioned12 October 1935
FateStricken, 9 February 1965
General characteristics (as built)
TypeDouro-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 Tejo was one of five Douro-class destroyer built for the Portuguese Navy during the 1930s. She remained in service until 1965.

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. 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.

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).

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.

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. 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.

Citations

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

Sources

  • Blackman, Raymond V. B., ed. (1960). Jane's Fighting Ships 1960–61. London: Sampson Low, Marston & Co.
  • Griffith, Frank G. (1988). "Cover Photo and Miscellaneous comments". Warship International. XXV (2): 116. ISSN 0043-0374.
  • Lyon, Hugh & Chumbley, Stephen (1995). "Portugal". In Chumbley, Stephen (ed.). Conway's All the World's Fighting Ships 1947-1995. Annapolis, Maryland: Naval Institute Press. pp. 317–322. ISBN 1-55750-132-7.
  • Roberts, John (1980). "Portugal". In Chesneau, Roger (ed.). Conway's All the World's Fighting Ships 1922–1946. New York: Mayflower Books. pp. 396–398. ISBN 0-8317-0303-2.
  • Whitley, M. J. (1988). Destroyers of World War Two: An International Encyclopedia. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-326-1.
Douro-class destroyers
 Portuguese Navy
 Colombian National Navy
Antioquia class
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