HMS Orion (1879)

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Career
Laid down:	1875
Launched:	January 23, 1879
Completed:	July 3, 1882
Broken up:	1913
Specification
Displacement:	4,870 tons
Length:	245 ft
Beam:	52 ft
Draught:	21 ft
Engine:	Two-shaft Maudslay, I.H.P.= 4,040
Rig:	None
Speed:	12.2 knots
Complement:	249
Armament:	Four 12-inch muzzle-loading rifles Four 20-pounder breech-loaders Two torpedo carriages
Armour:	Belt 12 inches tapering to 6 inches Battery 10 inches to 8 inches Conning tower 9 inches Deck 3 inches to 2 inches to 1 inch

For other ships with the same name, see HMS Orion.

HMS Orion was a Belleisle class battleship of the Victorian Royal Navy. Originally constructed for the Ottoman Empire, and called Bourdjou-Zaffer, she was purchased before completion by the British Government.

She was designed by the Turkish naval architect Ahmed Pasha and built under contract for the Ottomon Empire. However, in 1878 she was purchased whilst still under construction by the British Government in an a reaction to the war between the Ottoman Empire and Russia. Her sister, Belleisle, which was purchased at the same time in an essentially complete state, was modified so as to fit in, as far as possible, with contemporary design in the Royal Navy. Orion, being less advanced in construction at the time of her purchase, was ultimately completed along the same lines.

Her original design called for four 10-inch muzzle-loading rifles in a centrally located box battery, but this plan was upgraded to four 12-inch guns during her building. She, and Belleisle were the only British ships ever to mount 12-inch calibre artillery deployed to fire only on the broadside. It was possible, because of the provision of appropriate embrasures in the battery, to bring at least one gun to bear at any angle; proponents of the turret system of armament pointed out that in the turret system two, or possibly four guns could be made to bear on the same target.

[edit] Service History

She was commissioned to the Mediterranean Fleet on 24 June 1878. After paying off into the Reserve at Malta in 1883 she was recommissioned in 1885, and served as guardship at Singapore until 1890, when she was demoted to the second class reserve at Malta. After refit and repair she remained in dockyard reserve at Chatham until declared non-effective in November 1901. In April 1902 she became a depot-ship at Malta for torpedo-boats, and in 1913 was converted to a store-ship at Devonport under the name of Orontes until her sale in 1913.