HMS Bellerophon (1865)

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Career
Laid down:	December 28, 1863
Launched:	April 26, 1865
Completed:	April 11, 1866
Broken up:	1922
Specification
Displacement:	7,551 tons
Length:	300 ft
Beam:	56 ft 1 inch
Draught:	22 ft 9 inches light, 26 ft 6 inches deep load
Engine:	One-shaft Penn trunk, I.H.P.= 6,521
Speed under power	14.17 knots
Rig:	Ship-rigged, sail area 23,800 sq. ft
Best speed under sail:	10 knots
Complement:	650
Armament 1866:	Ten 9-inch muzzle-loading rifles Five 7-inch muzzle-loading rifles Four saluting cannon
Armament 1885:	Ten 8-inch breech loaders Four 6-inch breech loaders Six 4-inch breech loaders Two torpedo carriages
Armour:	Belt 6 inches amidships, 5 inches fore and aft Battery 6 inches Bulkheads 5 inches Upper deck 0.5 inches Main deck under battery 1 inch

HMS Bellerophon was a Victorian central battery ironclad battleship of the Royal Navy; she was a major step forward in design technology as compared to previous classes in terms of engine power, armament, armour, hull design and seaworthiness.^{[citation needed]}

In this ship, designed by Sir Edward Reed, the power-to-weight ratio was increased; the long rows of guns on the broadside were replaced by a small number of guns, centrally placed, of the largest possible calibre; the armour was increased in thickness but reduced in length, and a sharp beak ram was combined with a classical style plough bow.

For the first time since the construction of HMS Warrior the basic method of construction of her hull was altered. The usage of longitudinal girders to impart strength and resistance to the hull was discarded, and a "bracket frame" system devised by Nathaniel Barnaby was adopted. This system allowed for the inclusion into the ship of a double bottom, with clear survival implications if damaged, while at the same time allowing for a saving in weight so that 100 feet of the hull of Bellerophon weighted 1,123 tons, as against 1,303 tons for 100 feet of Black Prince. This double bottom had the added advantage of allowing the engine to be carried higher, raising the centre of gravity of the whole ship and making her thereby a steadier gun platform.{{fact}] Unlike earlier classes, Bellerophon's bow and stern had a "U" shaped profile, giving increased boyancy at the ends noticeably absent in some earlier battleships.^{[citation needed]}

Bellerophon carried the first balanced rudder in Royal Navy service. Full helm could be applied by eight men in about 27 seconds, whereas in HMS Warrior it took forty men 90 seconds to perform the same manoevre.^{[citation needed]}

She was the first ironclad to carry the 9-inch muzzle-loading rifle, and the only broadside ironclad to have the entire muzzle-loading armament replaced by breech-loaders.^{[citation needed]}

[edit] Service history

She was commissioned at Chatham, and served in the Channel Fleet until 1871. She collided with HMS Minotaur in 1868 with minimal damage. She served with the Mediterranean Fleet from 1871 to 1872, and then paid off for refit. She was flagship on the North America station until 1881. An extensive refit, including new boilers and new armament was followed by a further period on the North America station until 1892, when she paid off at Plymouth. She was re-commissioned as port guardship at Pembroke until 1903. Bellerophon was converted into a stokers' training ship in 1904, and re-named HMS Indus III. When sold in 1922 she had completed 56 years service.