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A Confederate-built rough iron 24-pounder Coehorn at Petersburg in 1864 Coehorn at Fort King George. The original Coehorn was light enough to be moved by as few as two men, although a four-man crew was more practical for rapid movement. It proved immediately popular: the 74 used at Kaiserswerth were increased to over 300 at Bonn six months later.
With the 10-inch siege mortars at 875 yards, about 60% of the shells would fall within a 40-yard radius of the target. The 13-inch seacoast mortar could be expected to be more accurate. (Abbot 1867, p. 39) Coehorn mortars were lighter mortars, designed to be brought well forward in the trenches.
Ordnance ML 4.2 inch Mortar United Kingdom: World War II, Korea 107: 4.2-inch mortars M2 and M30 United States: World War II, Korea, Vietnam 140: 14 cm Minenwerfer M 15 Austria-Hungary: World War I 148: Coehorn mortar M. 1841 United States: 1841 150: Mortier de 150 mm T Mle 1916 Batignolles France: World War I 150: Mortier de 150 mm T Mle 1917 ...
Created Date: 8/30/2012 4:52:52 PM
A Guide to Modern Mortar Systems "Field Manual 3-22.90 – Mortars" (PDF). Department of the Army. December 2007. Archived from the original (PDF) on 17 February 2013 "Field Manual 3-22.91 – Mortar Fire Direction Procedures" (PDF). Department of the Army. 17 July 2008. Archived from the original (PDF) on 17 February 2013
A United States Marine lance corporal plots the direction and elevation of a mortar before firing. Before a gun or launcher can be aimed, it must be oriented towards a known azimuth, or at least towards a target area. Initially, the angle between the aiming point and target area is deduced, or estimated, and set on the azimuth sight. Each gun ...
Sharpshooters worked continuously, killing many. Union artillery bombarded the Confederates with a battery of eight Coehorn mortars; the Confederates responded by depressing the trail of a 24-pound howitzer and lobbing shells over the Union positions. Although there were no more large-scale attacks, casualty figures for the entire battle were ...
Armament, nine 6-pounder field guns, three 10-pounder Parrotts, three 32-pounder bronze howitzers, four 24-pounder siege guns, two 8-inch sea-coast howitzers, eleven 30-pounder Parrotts, six 24-pounder Coehorn mortars, four 10-inch siege mortars. Magazines, four; dry and serviceable. Ammunition, full supply and in good order.