NRP Adamastor

NRP Adamastor was a small unprotected cruiser of the Portuguese Navy that was launched in 1896 and remained active until being decommissioned in 1933, being the only ship of its class. The vessel played an important role in the 5 October 1910 revolution in the Kingdom of Portugal, which saw the fall of the monarchy, and later took part in actions in Portuguese Africa during World War I.

Adamastor, c. 1898
History
Portugal
Name: Adamastor
Namesake: Adamastor
Builder: Orlando, Livorno
Laid down: 1 January 1895
Launched: 12 July 1896
Commissioned: 3 August 1897
Fate: Decommissioned in November 1933
General characteristics
Type: Unprotected cruiser
Displacement: 1,729 long tons (1,757 t)
Length: 73.8 m (242 ft)
Beam: 10.7 m (35 ft)
Draft: 6.5 m (21 ft)
Propulsion: 4 VTE cylindrical boilers
Speed: 18 knots (33 km/h; 21 mph)
Range: 4,600 nmi (8,500 km; 5,300 mi) at 10 knots (19 km/h; 12 mph)
Complement: 237 officers and men
Armament:
Armor:

Technical details

General characteristics

The cruiser was built in Livorno, Italy. The technical details of the ship were discussed in an 1898 issue of the supplement for the Scientific American magazine. It had a length of 73.8 meters (242 ft 2 in), beam height of 10.7 meters (35 ft 1 in), and depth of 6.5 meters (21 ft 4 in). The hull of Adamastor was made of steel and the lower decks had watertight compartments. Two electrical ventilators were provided to ventilate the ship in hot climates. The ship had a total crew of 237 officers and ratings. The quarter deck included the captain's chambers while the officer accommodations were located aft below the main deck. The top forecastle was occupied by the quarters of the petty officers and sailors.[2][3][4]

Armament

Adamastor's armament included two 150 mm and four 105 mm Krupp naval guns on the main deck, along with two 47 mm Hotchkiss guns on the bridge, and Nordenfelt machine guns. The ship also possessed three torpedo tubes.[2][3][4]

Propulsion

The ship was powered by either two or four cylindrical engines that were placed in separate watertight compartments and were rated at 4,000 horsepower (2,983 kW). Around 400 tons of coal were kept aboard Adamastor.[2][4]

Operational history
Adamastor at Hankou, China, c. 1931–33

The ship had originally been built with money from public subscription in order restore Portugal's honor after being humiliated by Great Britain in 1890, being prevented from making a land route from its two colonies of Angola and Mozambique.[5] It was laid down in January 1895 and launched in July 1896, before being completed in August 1897.[4]

In 1897 the ship was deployed to the Moroccan coast, along with Spanish vessels and the Portuguese ironclad Vasco da Gama, to hunt pirates. Around 1908 she visited Portuguese Timor and stopped in the Dutch East Indies.[6]

When the 5 October 1910 revolution broke out in Lisbon, the Portuguese Navy would play an important role, in particular the crew of Adamastor who rose up simultaneously as a revolt begin in the capital. Among the supporters of the revolution were the crew of three cruisers, including Adamastor, which helped bombard the Necessidades Palace of the King of Portugal along with NRP Sáo Rafael.[5] Thus the cruiser would become a symbol of the revolution.[7]

During World War I, Portugal took part in fighting against Paul von Lettow-Vorbeck's troops during the campaign in eastern Africa. In 1917, German forces entered Portuguese Mozambique. Although they defeated the Portuguese and British land forces, Adamastor and another cruiser were sent to the important port of Quelimane, at which point the Germans decided not to attack the city.[8]

Adamastor ran aground in October 1929,[9] but was refloated and returned to service[10] before being decommissioned in 1933.[4]

Notes
  1. Pinto, José. "Cruzador Adamastor" (PDF). COMISSÃO COORDENADORA DA EVOCAÇÃO DO CENTENÁRIO DA I GUERRA MUNDIAL. Retrieved 2018-10-23.
  2. Scientific American (The Portuguese Cruiser "ADAMASTOR"), p. 1472
  3. Gardiner (1979), p. 382
  4. Gogin, Ivan (2014). ADAMASTOR unprotected cruiser (1897). Navypedia. Retrieved 22 July 2017.
  5. Love (2012), p. 26–27
  6. The Portuguese unprotected cruiser Adamastor 1896-1933 in Dutch newspapers. Warship Research. Published 13 September 2011. Retrieved 22 July 2017.
  7. Love (2012), p. 80
  8. A GUERRA EM MOÇAMBIQUE. (in Portuguese). Retrieved 22 July 2017.
  9. "Casualty reports". The Times (45327). London. 7 October 1929. col E, p. 21.
  10. "Casualty reports". The Times (45328). London. 8 October 1929. col G, p. 26.

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