The Armstrong 100 ton Rifled Muzzle Loaded (RML) gun at Fort Rinella, Malta. Installed 1884.17.72 inch calibre, firing a 2,000 lb shell, Main charge weight – 450 lbs of prismatic black powder (gunpowder). Muzzle velocity 1,550 feet per second. Range 6-7 miles. Firing rate 1 round every 6 minutes.
The Fort used Watkins Depression Range Finder and Position Finder for fire control.Based on original drawings and original operarting manuals. Animation created using Cinema 4D. Music credits are shown at the end of the movie.
The gun was 9.953 m long. The barrel’s maximum outer diameter was 1.996 m, which reduced to 735 mm at the muzzle. The construction method of an inner steel tube surrounded by multiple wrought iron coils,was very complex, with several structures containing one another. The internal barrel was 30 feet 3 inches (9.22 m) long, or 20.5 calibers. The weight of the gun was 103,888 kg, or about 100 tons.
Firing was mechanical or electrical, with an optical system for aiming.The gun crews could only fire a projectile once every six minutes. Muzzle velocity was 472 m/s and maximum elevation was 10° 30′. At maximum charge (204 kg?) and maximum elevation, a projectile could achieve a range of only 5,990 meters.The weight of the mount was: 20,680 kg.