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The first Mark 4, gun No. 133, was completed July 1896. Production numbers were Nos. 133–196, 260–263, and 423–426. It was the first 6-inch Navy gun designed from the beginning to use case, semi-fixed, ammunition. The gun was constructed of gun steel using a tube, jacket, and seven hoops. It was originally threaded to be mounted in the ...
Employees working with the automatic 16-inch powder stacking machine at Naval Ammunition Depot Hingham, Mass. during World War II. The Mark 7 gun was a built-up gun and was constructed of liner, tube, jacket, three hoops, two locking rings, tube and liner locking ring, yoke ring and screw box liner.
Firing a naval cannon required a great amount of labour and manpower. The propellant was gunpowder, whose bulk had to be kept in the magazine, a special storage area below deck for safety. Powder boys, typically 10–14 years old, were enlisted to run powder from the magazine up to the gun decks of a vessel as required.
The original charge was 450 pounds of prismatic black powder giving a muzzle velocity of 1604 feet/second. However, as this damaged the barrel, it was replaced by brown powder from April 1885. N.J.M. Campbell, "British Super-Heavy Guns".
Firing a naval cannon required a great amount of labour and manpower. The propellant was gunpowder, whose bulk had to be kept in a special storage area below deck for safety. Powder boys- sometimes called Powder Monkeys- typically 10–14 years old, were enlisted to run powder from the armoury up to the gun decks of a vessel as required.
The guns of 9 1 ⁄ 2 feet 50 1 ⁄ 2 hundredweight and 9 feet 47 3 ⁄ 4 hundredweight were highly regarded as siege guns and widely used in that role in addition to their naval use. The guns of 22 and 20 hundredweight were mostly used in casemates and flank defenses as replacements for 24-pounder carronades. [3]
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.
The gun originated from a desire for a longer 12 in (30 cm) gun than the existing RML 12-inch 35-ton gun.Experiments in 1874 with both 12 in (30 cm) and 12.5 in (32 cm) versions 3 ft (91 cm) longer than the existing 12 in (30 cm) gun showed the 12.5 in (32 cm) calibre was more suitable, and further experiments showed a projectile of 800 lb (360 kg) could be fired with a charge of 130 lb (59 kg ...