Recognition Guide Warships of the Second World War
Brazilian Navy — Destroyer 1913

HMS Porpoise (1913)

Acasta-class destroyer

HMS Porpoise (1913)
Unknown author — naval history web — Public domain — Wikimedia Commons Plate — 1913

Service

  1. Royal Navy as HMS Porpoise? — March 1920
  2. Brazilian Navy as Alexandrino de Alencar9 December 1922 — 13 September 19462,193 days of the war
Acasta-class destroyer Particulars
Name
HMS Porpoise
Pennant / hull number
1913
Builder
John I. Thornycroft & Company, Woolston
Laid down
14 March 1912
Launched
21 July 1913
Commissioned
9 December 1922
Fate
Discarded 13 September 1946 (1946)
Status
Unknown

Specifications

Displacement, standard
934 long tons (949 t)
Length
80.77 m (265 ft) OA
Beam
7.92 m (26 ft)
Draught
2.74 m (9 ft)
Speed
31 knots (57.4 km/h, 35.7 mph)
Complement
73
Main gun
102 mm (4 in)

HMS Porpoise was a Acasta-class destroyer built for the Royal Navy. She carried the pennant number 1913. John I. Thornycroft & Company, Woolston laid her keel on 14 March 1912. She entered service on 9 December 1922, having been launched on 21 July 1913.

She was the only ship of her class. The class followed the Acheron-class destroyer and was succeeded by the L class.

Displacement was 934 long tons. She measured 80.8 m (265 ft) long with a beam of 7.9 m (26 ft). Her designed speed was 31 knots, and she carried a complement of 73. Her main battery was of 102 mm (4.0 in) calibre.

22,500 shp drove two shafts.

She served with the Royal Navy as HMS Porpoise until March 1920. She then passed to the Brazilian Navy, serving as Alexandrino de Alencar from 9 December 1922. She was in commission for 2,193 days of the Second World War.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

Armament and machinery
Propulsion
  • Yarrow-type water-tube boilers
  • 2 shaft Parson steam turbines
Power
  • 22500 shp
Armament
  • 3 × QF 4 in Mark IV guns
  • 1 × QF 2 pdr pom-pom Mk. II
  • 2 × single tubes for 21 in torpedoes

Sources

  • Facts harvested from HMS Porpoise (1913) on Wikipedia. Figures only — no wording is taken from it.
  • Photograph: Unknown author — naval history web — Public domain — Wikimedia Commons