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The Armstrong RBL 7-inch gun, also known as the 110-pounder, [4] was a heavy caliber Armstrong gun, an early type of rifled breechloader. William Armstrong 's innovative combination of a rifled built-up gun with breechloading had proven suitable for small cannon.
The general characteristics of the RML 7-inch Armstrong Gun, like length and caliber were the same as those of the 7-inch Woolwich gun. In the Royal Navy, the 7-inch Woolwich gun had been introduced in 1865 as a broadside or pivot gun for frigates. At the same time the 9-inch Woolwich gun became the standard gun for heavy ironclads. [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 ...
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.
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.
The demand for a gun of about 7-inch (178 mm) was fed by early trials of rifled guns against armored ships. These indicated that a 17 cm rifled muzzle loader, or RML, was the absolute minimum required to penetrate armor, see RML 7-inch Armstrong Gun.
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
The first quick-firing light gun was the 1-inch Nordenfelt gun, built in Britain from 1880. The gun was expressly designed to defend larger warships against the new small fast-moving torpedo boats in the late 1870s to the early 1880s and was an enlarged version of the successful rifle-calibre Nordenfelt hand-cranked "machine gun" designed by ...