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 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 Ardent was a wooden Alecto-class paddle sloop, and the fourth ship of the Royal Navy to use the name. She was launched on 12 February 1841 at Chatham and spent much of her career on the West Coast of Africa engaged in anti-slavery operations. One of the ship's company, Gunner John Robarts, was awarded the Victoria Cross for the destruction of Russian food stores in the Crimean War. She was scrapped in 1865.
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 Cordelia was an 11-gun Racer-class sloop of the Royal Navy launched in 1856 and sold in 1870.
HMS Eclipse was a four-gun Cormorant-class first-class gunvessel launched in 1860 from the shipyard of J. Scott Russell & Co., Millwall. She served on the Australia Station, took part in the Second Taranaki War, including contributing men to a naval brigade which attacked the Maori stronghold at Gate Pā. The entire class were never satisfactory as gunvessels, partly due to their excessive draught, and Eclipse was broken up at Sheerness in 1867, only seven years after her launch.
HMS Brisk was a 14-gun wooden-hulled screw sloop designed by the Committee of Reference as part of the 1847 program. She is considered an enlarged Rattler with the design approved in 1847. She was ordered on 25 April 1847 from Woolwich Dockyard as a 10-gun sloop, but the guns were later increased due to the Russian War, to 14 guns by increasing the number of 32-pounder guns. She was launched on 2 June 1851 from Woolwich Dockyard. She served in the Russian War of 1854- 55 and as part of the Southern African anti-slavery patrol, with a final commission on the Australian Station. She was sold in 1870 for use in an pioneer, but unsuccessful, telegraph service.
HMS Salamander was one of the initial steam powered vessels built for the Royal Navy. On 10 January 1831 the First Sea Lord gave orders that four paddle vessels be built to competitive designs. The vessels were to be powered by Maudslay, Son & Field steam engines, carry a schooner rig and mount one or two 10-inch shell guns. Initially classed simply as a steam vessel (SV), she was re-classed as a second-class steam sloop when that categorization was introduced on 31 May 1844. Designed by Joseph Seaton, the Master Shipwright of Sheerness, she was initially slated to be built in Portsmouth, and was changed to Sheerness Dockyard. She was launched and completed in 1832, took part in the Second Anglo-Burmese War and was broken up in 1883.
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 Raven was a Banterer-class gunboat of the Royal Navy, built by Samuda Brothers of Poplar, London, and launched on 18 May 1882. She served on the Australia Station and was converted to a diving tender in 1904. After being lent as a training ship in 1913 she was sold for breaking in 1925.
HMS Royalist was a Satellite-class composite screw sloop of the Royal Navy, built in 1883 and hulked as a depot ship in 1900. She was renamed Colleen in 1913, transferred to the Irish Free State in 1923 and broken up in 1950.
The Racer-class sloop also known as the Cordelia class of swift cruisers was an 11-gun wooden screw sloop class of five ships built for the Royal Navy between 1855 and 1860.
HMS Myrmidon was a Cormorant-class gunvessel of the Royal Navy, built at Chatham Dockyard and launched in 1867. She served on the North America and West Indies Station and surveyed parts of the Australian coast before being sold at Hong Kong in 1889.
HMS Miranda was a Doterel-class sloop of the Royal Navy, built at Devonport Dockyard and launched on 30 September 1879.
HMS Espiegle was a Doterel-class sloop of the Royal Navy, built at the Devonport Dockyard and launched on 3 August 1880.
HMS Nymphe was an Amazon-class sloop, of the Royal Navy, built at the Deptford Dockyard and launched on 24 November 1866. She served in the East Indies and Australia, and was sold in 1884.
HMS Barracouta was the last paddle sloop built for the Royal Navy. She was built at Pembroke Dockyard and launched in 1851. She served in the Pacific theatre of the Crimean War, in the Second Opium War and in the Anglo-Ashanti wars. She paid off for the last time in 1877 and was broken up in 1881.
HMS Encounter was ordered as a First-Class Sloop with screw propulsion on 5 February 1845 to be built at Pembroke, in accordance with the design developed by John Fincham, Master Shipwright at Portsmouth. Her armament was to consist of 8 guns. She was to have a more powerful steam engine rated at 360 nominal horsepower. In 1848 she would be altered abaft and lengthened at Deptford prior to completion. A second vessel (Harrier) was ordered on 26 March 1846 but after her keel was laid at Pembroke Dockyard, her construction was suspended on 9 September 1846 then cancelled five years later, on 4 April 1851. Encounter had her armament radically altered in 1850 and she was broken up at Devonport in 1866.
The Cormorant-class gunvessels were a class of 4-gun first-class gunvessels built for the Royal Navy in the 1860s. They were somewhat unsuccessful; intended for shore bombardment in shallow water, they exceeded their design draft by 50%. Seven of the 13 ships ordered were suspended, with 3 finished or converted as survey ships and the other 4 cancelled. Racehorse was wrecked after only 4 years, and those ships that were completed as planned had short operational lives, in some cases less than 10 years. The survey vessels lasted longest, with the last ship of the class, Sylvia, being broken up in 1890.
HMS Rhadamanthus was one of the initial steam powered vessels built for the Royal Navy. On 10 January 1831 the First Sea Lord gave orders that four paddle vessels be built to competitive designs. The vessels were to be powered by Maudslay, Son & Field steam engines, carry a schooner rig and mount one or two 10-inch shell guns. Initially classed simply as a steam vessel (SV), she was re-classed as a second-class steam sloop in 1846. Designed by Thomas Roberts, the Master Shipwright of Plymouth. She was launched and completed in 1832, She was converted into a transport in 1841 then in 1851 she was a troopship and by the 1860s she was a transport again. Her breaking was completed in February 1864.
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