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The 4.5 inch field gun could fire a 25 kg HE shell up to 11.6 miles with Charge 3. It matched German 10.5 cm and 150 mm howitzers in range and firepower. [citation needed] For the sake of expediency, Mk I ordnance was designed to be mounted on the 1918 60-pounder carriage.
4.7-inch gun M1920 on carriage M1920 [2] with 65-degree maximal elevation (the carriage was also designed to be used with 155-mm howitzer) weighing 13,000 pounds (5,900 kg). [ 5 ] 4.7-inch gun M1922E on carriage M1921E [ 2 ] of a similar design and same ballistics, but with 45-degree maximal elevation and lighter, just 10,600 pounds (4,800 kg).
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.
A new type of 4.5 inch gun with a longer 55-calibre barrel, it was designed in the 1960s for the Royal Navy's new classes of frigates and destroyers.The weapon, built by Vickers Ltd Armament Division, was developed by the Royal Armament Research and Development Establishment using the Ordnance, QF 105 mm L13 of the Abbot self-propelled gun as a starting point (it used electrical primers).
The ammunition for the Mk V gun was 44.3 inches (1.13 m) long and weighed 56 pounds (25 kg), while the ammunition fired by the Mk XVI gun was 42.1 inches (1.07 m) long and weighed 66.75 pounds (30.28 kg). The weight of the high-explosive projectile grew from 31 pounds (14 kg) for the Mk V to 35 pounds (16 kg) for the Mk XVI.
The Sa'ar 4.5-class missile boats (Hebrew: סער 4.5) is a class of Israeli Sea Corps missile boats designed and built by Israel Shipyards Ltd. for Shayetet 3 flotilla as an improved and stretched Sa'ar 4-class missile boat.
This version weighs 4.8 kg (without magazine) and 5.4 kg (with full magazine). Approximately 5200 of this version were made. It is no longer in service.
From the BL Mark I gun of 1916 the 4.7-inch (120 mm) calibre was the mid-calibre weapon of the Royal Navy, used particularly on destroyers.Apart from some ships armed with QF 4-inch Mk V guns due to shortages, it remained the standard weapon for destroyers up to the W-class destroyers of 1943.