HMS Black Eagle

Oscillating paddlewheel engines of HMS Black Eagle
History
United Kingdom
Name	HMS Firebrand (1831-1843) HMS Black Eagle (1843-1876)
Owner	Royal Navy
Ordered	28 January 1831
Builder	Merchant's yard, Limehouse
Cost	£19,964[1]
Laid down	April 1831
Launched	11 July 1831
Commissioned	11 July 1831
Fate	Broken up, March 1876
General characteristics [1]
Class and type	Firebrand-class steam vessel
Displacement	As built: 510 long tons
Tons burthen	As built: 495 bm From 1843: 540 bm
Length	As built: 155 ft 3 in (47.3 m) From 1843: 168 ft 3 in (51.3 m)
Beam	26 ft 5 in (8.1 m)
Depth of hold	14 ft 10 in (4.5 m)
Propulsion	As built: Butterley & Co. 140 nhp 2-cylinder side lever steam engine Paddle wheel From 1833: Maudslay 120 nhp steam engine Morgan paddlewheels From 1843: 'Tubulous boilers' Penn 260 nhp steam engine Paddlewheels
Complement	80
Armament	As built: 6 × 9-pounder (131⁄2cwt) gun Later: 1 × 32-pounder (25cwt) pivot gun 2 × 32-pounder (17cwt) carronades

HMS Firebrand was a wooden paddle vessel launched in 1831. She was rebuilt in 1843, renamed HMS Black Eagle and employed as an Admiralty steam yacht. She was broken up in 1876.