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HMS Powerful was a 74-gun third rate ship of the line of the Royal Navy, launched on 3 April 1783 at Blackwall Yard, London.[1]

Royal Navy EnsignUK
Name: HMS Powerful
Ordered: 8 July 1780
Builder: Perry, Blackwall Yard
Laid down: April 1781
Launched: 3 April 1783
Fate: Broken up, 1812
General characteristics [1]
Class and type: Elizabeth-class ship of the line
Tons burthen: 1627 (bm)
Length: 168 ft 6 in (51.36 m) (gundeck)
Beam: 46 ft (14 m)
Depth of hold: 19 ft 9 in (6.02 m)
Propulsion: Sails
Sail plan: Full rigged ship
  • Gundeck: 28 × 32-pounder guns
  • Upper gundeck: 28 × 18-pounder guns
  • QD: 14 × 9-pounder guns
  • Fc: 4 × 9-pounder guns

By 1785, her crew included John Lyddiard, an American prisoner of war forcibly enlisted into the Royal Navy in 1778, during the American Revolutionary War. In July 1785, Lyddiard wrote to the United States ambassador to Britain, John Adams, to secure Lyddiard's release.[2] In response to an appeal by Adams, the British government ordered the release of Lyddiard.[3]

Found in Jamaica ,Port Royal 12th May 1794 with half her crew buried.

In 1805 the ship arrived too late to take part in the Battle of Trafalgar but was then detached to reinforce the East India squadron. On 13 June 1806 she captured the French privateer Henriette off Trincomalee, Sri Lanka. At the Action of 9 July 1806, disguised as an East Indiaman and together with the sloop Rattlesnake, she captured the privateer Bellone, which had been a serious threat to British trade.[4]

She was broken up in 1812.[1]

Citations and notesEdit

  1. ^ a b c Lavery, Ships of the Line vol.1, p179.
  2. ^ John Lyddiard to John Adams, 20 July 1785, Founders Online, National Archives, [Original source: The Adams Papers, Papers of John Adams, vol. 17, April–November 1785, ed. Gregg L. Lint, C. James Taylor, Sara Georgini, Hobson Woodward, Sara B. Sikes, Amanda A. Mathews, and Sara Martin. Cambridge, MA: Harvard University Press, 2014, pp. 261–262.]
  3. ^
  4. ^


  • Lavery, Brian (2003) The Ship of the Line - Volume 1: The development of the battlefleet 1650-1850. Conway Maritime Press. ISBN 0-85177-252-8.