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The 4.5 inch gun M1 was a field gun developed in the United States in the beginning of World War II. It shared the same carriage with the 155mm howitzer M1 and fired the same ammunition as the British BL 4.5-inch medium field gun. Beginning in 1944, the weapon was used by the U.S. Army as corps -level artillery; with the end of hostilities, it ...
Fixed QF 46 pounds (21 kg) HE. Calibre. 4.45-inch (113 mm) [1] Rate of fire. 25 rounds per minute automatic. Maximum firing range. 27.5 kilometres (17.1 mi) [2] The 4.5 inch Mark 8 is a British naval gun system which currently equips the Royal Navy's destroyers and frigates, and some British destroyers and frigates sold to other countries.
The QF 4.5 inch gun has been the standard medium-calibre naval gun used by the Royal Navy as a medium-range weapon capable of use against surface, aircraft and shore targets since 1938. This article covers the early 45- calibre family of guns up to the 1970s. For the later unrelated 55-calibre Royal Navy gun, see 4.5 inch Mark 8 naval gun.
The BL 4.5 inch medium gun was a British gun used by field artillery in the Second World War for counter-battery fire. Developed as a replacement for the BL 60-pounder gun it used the same carriage as the BL 5.5-inch medium gun but fired a lighter round further. It had nothing in common with the QF 4.5 inch Howitzer or the QF 4.5 inch AA gun.
Length. For measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use. From 1893, the foot was legally defined as exactly 1200⁄3937 m (approximately 0.304 8006 m). [13] Since July 1, 1959, the units of length have been defined on the basis of 1 yd = 0 ...
QF 4.5-inch howitzer. 114 x73-86 mm R separate QF. HE shell 16 kg (35 lb) The Ordnance QF 4.5-inch howitzer was the standard British Empire field (or "light") howitzer of the First World War era. It replaced the BL 5-inch howitzer and equipped some 25% of the field artillery. It entered service in 1910 and remained in service through the ...
The 5.25-inch gun was carried in Mk I twin mountings by the King George V class and in Mk II twin mountings on nine of the first eleven Dido-class anti-aircraft cruisers, the exceptions being HMS Scylla and HMS Charybdis, which mounted QF 4.5-inch Mk III guns due to shortages of the 5.25-inch gun.
Surface: 16,300 yd (15,000 m) [ 3 ] AA: 28,750 ft (8,800 m) [ 2 ] Filling. Lyddite, Amatol. Filling weight. 5 pounds (2.27 kg) The QF 4 inch Mk V gun[ note 1 ] was a Royal Navy gun of World War I which was adapted on HA (i.e. high-angle) mountings to the heavy anti-aircraft role both at sea and on land, and was also used as a coast defence gun.