HMS ''Portland'' was a 50-gun

fourth rate In 1603 all English warships with a compliment of fewer than 160 men were known as 'small ships'. In 1625/26 to establish pay rates for officers a six tier naval ship rating system was introduced.Winfield 2009 These small ships were divided i ...

ship of the line A ship of the line was a type of naval warship constructed during the Age of Sail from the 17th century to the mid-19th century. The ship of the line was designed for the naval tactic known as the line of battle, which depended on the two colu ...

of the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

, built at

Limehouse Limehouse is a district in the London Borough of Tower Hamlets in East London. It is east of Charing Cross, on the northern bank of the River Thames. Its proximity to the river has given it a strong maritime character, which it retains throug ...

according to the dimensions laid down in the 1741 proposals of the

1719 Establishment The 1719 Establishment was a set of mandatory requirements governing the construction of all Royal Navy warships capable of carrying more than 20 naval long guns. It was designed to bring economies of scale through uniform vessel design, and ens ...

, and launched on 11 October 1744. ''Portland'' served until 1763, when she was sold out of the navy.

Notes

References

*Lavery, Brian (2003) ''The Ship of the Line - Volume 1: The development of the battlefleet 1650-1850''. Conway Maritime Press. . Ships of the line of the Royal Navy 1744 ships {{UK-line-ship-stub