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The abandonment of the Armstrong breech-loading design led Britain to begin a major program of building rifled muzzle-loaders to equip its fleet. The Armstrong 110-pound gun was succeeded by various RML 7 and 8-inch guns. 7-inch Armstrong breech-loaders under construction at the time of cancellation were completed as RML 64-pounder muzzle-loaders.
The Armstrong gun—mainly the 12-pounder—was used extensively in the 1863 conflict in New Zealand between British troops and Maori in the Waikato. A well preserved 12-pounder which was used in the battle of Rangiriri is at the Te Awamutu museum. The barrel can traverse 6 degrees left or right without moving the gun carriage.
The Armstrong gun retained a larger number of smaller coils, [12] which was more expensive to make. On pictures these coils show as humps as the gun gets smaller while it protrudes to the front. The Rijksmuseum model of the RML 7-inch Armstrong Gun shows 5 coils. The picture of the RML 7-inch gun (Woolwich) Mark I shows 1 more. [11]
The 7 in (18 cm) referred to, and introduced into the service in 1865, were the first of the so-called Woolwich guns, which then meant "wrought iron M.L. guns built up on Sir W. Armstrong's principle, improved upon by hooking the coils over one another, and having solid ended steel barrels, rifled on the system shown above, for studded ...
Development began in 1864 to replace the RBL 6-pounder 2.5-inch (64 mm) gun of 3 long hundredweight (340 lb; 150 kg), which had proved too heavy for a mountain gun. . Several Mks of 7-pounder RML of 2 long hundredweight (220 lb; 100 kg) were tried in 1865 by boring out and rifling old SBML bronze guns, but were still too
A rifled muzzle loader in the forecastle of HMS Gannet (1878). A rifled muzzle loader (RML) is a type of large artillery piece invented in the mid-19th century. In contrast to smooth bore cannon which preceded it, the rifling of the gun barrel allowed much greater accuracy and penetration as the spin induced to the shell gave it directional stability.
An 1871 diagram showing the gun and carriage of the RML 9-pounder 8 cwt field gun. The 9-pounder 8 cwt Rifled Muzzle Loader was the field gun selected by the Royal Artillery in 1871 to replace the more sophisticated RBL 12 pounder 8 cwt Armstrong gun, which had acquired a reputation for unreliability. [2]
The 100-ton gun (also known as the Armstrong 100-ton gun) [6] was a British coastal defense gun and is the world's largest black powder cannon. It was a 17.72-inch (450 mm) rifled muzzle-loading (RML) gun made by Elswick Ordnance Company, the armaments division of the British manufacturing company Armstrong Whitworth, owned by William Armstrong.