U.S. Navy 42-Pounder Gun, Model 1816 On Barbette Carriage

U.S. Navy 42-Pounder Gun, Model 1816 On Barbette Carriage. . , Both the U.S. Army and Navy started using 42-pounder cannons early in the 19th century. They were among the largest cannons in use at that time. Due to their great size and weight, these cannons were used only at established forts and on the largest warships, Large cannons, such as the 42-pounders, were mounted on barbette carriages. These carriages were made of wood and iron. The front of the carriage was secured to a pivot point called a pintle. Two wheels at the rear of the carriage ran on an iron track, allowing the carriage to be aimed in a 120 degree arc., The Confederates and southern states captured many cannons when they seized military installations at the beginning of the Civil War. These cannons were used to arm Confederate warships and land defenses., Specifications: , Length - 121 inches , Weight - 7870 pounds , Bore Diameter - 7 inches , Range - 1955 yards , Solid Shot Size - 42.5 pounds , Shell Weight - 31.3 pounds , Spherical-case Shot Weight - 39 pounds , Cannister Weight - 40 pounds , Grape Weight - 51.3 pounds , Powder Charge - 9 pounds