Steam frigates and the smaller steam corvettes, steam sloops, steam gunboats and steam schooners, were steam-powered warships that were not meant to stand in the line of battle. The first such ships were paddle steamers. Later on the invention of screw propulsion enabled construction of screw-powered versions of the traditional frigates, corvettes, sloops and gunboats.
HMS Queen was a 110-gun first-rate ship of the line of the Royal Navy, launched on 15 May 1839 at Portsmouth. She was the last purely sailing-built battleship to be ordered. Subsequent ones were ordered with both sails and steam engines. All British battleships were constructed with sailing rig until the 1870s. HMS Queen had an auxiliary steam engine fitted in late 1850s. She was broken up in 1871.
HMS Gorgon was a wooden steam paddle sloop of 6 guns, launched in 1837. In 1840 she took part in the bombardment of Acre, and in 1843 was part of the Royal Navy squadron stationed in the River Plate during the Uruguayan Civil War. She was converted to a troopship and in 1858 assisted Agamemnon in the laying of the first transatlantic telegraph cable. She was sold for breaking in 1864.
HMS Alexandra was a central battery ironclad of the Victorian Royal Navy, whose seagoing career was from 1877 to 1900. She spent much of her career as a flagship, and took part in operations to deter the Russian Empire's aggression against the Ottoman Empire in 1878 and the bombardment of Alexandria in 1882. She was affectionately known by her crew as Old Alex.
HMS Rattler was a 9-gun steam screw sloop of the Royal Navy, and one of the first British warships to be completed with screw propulsion. She was originally ordered as a paddle wheel 4-gun steam vessel from Sheerness Dockyard on 12 March 1841. She was reordered on 24 February 1842 as a propeller type 9-gun sloop from HM Royal Dockyard, Sheerness, as a new vessel. William Symonds had redesigned the ship as a screw propeller driven vessel.
HMS Odin was a steam-powered first-class paddle frigate of the Royal Navy. She was launched in 1846 and was used in the Baltic theatre of the Crimean War.
HMS Vulture was one of three 6-gun, steam-powered Cyclops-class second-class paddle frigates built for the Royal Navy in the 1840s. She was initially deployed to the East Indies where she participated in actions against China and then played a minor role in the Crimean War of 1854–1855. The ship was sold for scrap in 1863.
HMS Pearl was a Pearl-class 21-gun screw corvette of the Royal Navy launched in 1855, displacing 2,187 tons.
HMS Miranda was a 14-gun wooden screw sloop of the Royal Navy. As part of the 1847 Program, she was designed by John Fincham, Master Shipwright of Portsmouth ,and is considered an improved Rattler, with the design approved on 3 November 1847. She was ordered on 25 April 1847 with the name Grinder from Royal Dockyard, Sheerness. On 3 November 1847, she was reordered as Miranda from Sheerness Dockyard. Launched in 1851, she was completed to see action in the Crimean War. In 1854 she was in the White Sea and participated in the bombardment of the Port of Kola. She then served in the Sea of Azov during 1855. Two of her crew were awarded the Victoria Cross for their bravery. Towards the end of her career she transported troops during the New Zealand Wars. She was reclassified as a corvette by 1862. She was sold for breaking in December 1869.
HMS Highflyer was a 21-gun wooden screw frigate of the Royal Navy. She was built on the River Thames by C J Mare and launched on 13 August 1851. She spent twenty years in service, including action in the Crimean War and the Second Opium War, before being broken up at Portsmouth in May 1871.
HMS Valorous was one of two 16-gun, steam-powered Magicienne-class second-class paddle frigates built for the Royal Navy in the 1850s. Commissioned in 1853 she played a small role in the Crimean War of 1854–1855 and was sold for scrap in 1891.
HMS Terrible was when designed the largest steam-powered wooden paddle wheel frigate built for the Royal Navy.
HMS Marlborough was a first-rate three-decker 131-gun screw ship built for the Royal Navy in 1855. She was begun as a sailing ship of the line, but was completed to a modified design and converted to steam on the stocks, and launched as a wooden steam battleship.
HMS Victor Emmanuel was a screw-propelled 91-gun second-rate ship of the line of the Royal Navy, originally launched as HMS Repulse, but renamed shortly after being launched.
HMS Niger was originally slated to be built as a Sampson designed sloop; however, she was ordered as a First-Class sloop with screw propulsion on 20 February 1845 to be built at Woolwich Dockyard, along the design developed by Oliver Lang and with a hull like the Basilisk designed paddle sloops. Her armament and engine were to be like the Encounter Design building at Pembroke. A second vessel (Florentia) was ordered on 26 March 1846 but after her keel was laid at Pembroke Dockyard, her construction was suspended on 6 October 1846 then cancelled three years later, on 22 May 1849. Niger She conducted important propulsion trials, finally proving the superiority of screw propulsion and served in West Africa, the Crimea, China, the East Indies and Australia. She took part in the New Zealand wars in 1860 and was sold for breaking in 1869.
HMS James Watt was a 91-gun steam and sail-powered second rate ship of the line. She had originally been ordered as one of a two ship class, with her sister HMS Cressy, under the name HMS Audacious. She was renamed on 18 November 1847 in honour of James Watt, the purported inventor of the steam engine. She was the only Royal Navy ship to bear this name. Both ships were reordered as screw propelled ships, James Watt in 1849, and Cressy in 1852. James Watt became one of the four-ship Agamemnon-class of ships of the line. They were initially planned as 80-gun ships, but the first two ships built to the design, HMS Agamemnon and James Watt, were rerated on 26 March 1851 to 91 guns ships, later followed by the remainder of the class.
HMS Phoenix was a 6-gun steam paddle vessel of the Royal Navy, built in a dry dock at Chatham in 1832. She was reclassified as a second-class paddle sloop before being rebuilt as a 10-gun screw sloop in 1844–45. She was fitted as an Arctic storeship in 1851 and sold for breaking in 1864.
HMS Basilisk was a first-class paddle sloop of the Royal Navy, built at the Woolwich Dockyard and launched on 22 August 1848.
HMS Jackal was a Jackal-class second-class iron paddle gunvessel of the Royal Navy.
HMS Magicienne was the lead ship of her class of two 16-gun, steam-powered second-class paddle frigates built for the Royal Navy in the 1850s. Commissioned in 1853 she played a small role in the Crimean War of 1854–1855 and was sold for scrap in 1866.
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