Construction and specifications
Conflict's keel was laid in July 1845 at Pembroke Dockyard and launched on 5 August 1846 and Desperate's keel was laid in October 1845 and launched on 23 May 1849. Enchantress’s and Falcon’s keels were laid during 1846; however, both were suspended in September 1846 and finally cancelled on 4 April 1851. Under the original design, the gundeck was with her keel length reported for tonnage calculation of . The maximum breadth was with reported for tonnage. She had a depth of hold of . Her builder's measure tonnage was 992 tons. To facilitate the installation of the screw propeller, Conflict was towed to Wigram's Yard, Blackwall to be lengthened in early 1848. During the lengthening process the propeller was installed. Desperate was also lengthened prior to launch by Admiralty Order (AO) 13 July 1848. The new dimensions were gundeck with her keel length reported for tonnage calculation of . The maximum breadth remained unchanged at with reported for tonnage. The depth of hold was unchanged at . Her builder's measured tonnage increased to 1,038 tons with a displacement of 1,628 tons. In 1857 The armament was changed to one 68-pounder 95 cwt MLSB 10-foot solid shot gun and one 10-inch 85 cwt MLSB 9-foot 4-inch shell gun on a pivot mount and six 8-inch 65 cwt MLSB 9-foot shell guns on broadside trucks. Trials During trials Conflict's engine generated indicated horsepower (IHP) for a speed of 9.378 knots. The trial runs for Desperate, her engine generated 699 IHP for a speed of 9.432 knots. Conflict was completed for sea on 20 November 1849 at a cost of: Hull – £20,496; machinery – £21,514; lengthening – £5,410; and fitting – £11,088. Desperate was completed for sea on 9 May 1853 at a cost of £57,740 (including machinery of £21,007). ==Ships==