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Hiram Maxim originally designed the Pom-Pom in the late 1880s as an enlarged version of the Maxim machine gun.Its longer range necessitated exploding projectiles to judge range, which in turn dictated a shell weight of at least 400 grams (0.88 lb), as that was the lightest exploding shell allowed under the Saint Petersburg Declaration of 1868 and reaffirmed in the Hague Convention of 1899.
Australian troops with a QF 1-pounder Maxim auto cannon captured from the Boers. The first gun to be called a pom-pom was the 37 mm Nordenfelt-Maxim or "QF 1-pounder" introduced during the Second Boer War, the smallest artillery piece of that war. It fired a shell 1 lb (0.45 kg) in weight accurately over a distance of 3,000 yd (1.7 mi; 2.7 km).
The Ordnance QF 2-pounder (QF denoting "quick firing"), or simply "2 pounder gun", was a 40 mm (1.575 in) British anti-tank gun and vehicle-mounted gun employed in the Second World War. It was the main anti-tank weapon of the artillery units in the Battle of France and, due to the need to rearm quickly after the Dunkirk evacuation , remained in ...
2-pounder gun, 2-pounder and QF 2 pounder or QF 2-pdr are abbreviations used for various guns which fired a projectile weighing approximately 2 pounds (0.91 kg). These include: These include: QF 2 pounder Mk II & Mk VIII "pom-pom" Vickers 40mm naval anti-aircraft autocannon of the First World War and the Second World War
The Vickers 40 mm QF 2 pounder "Pom-Pom" gun anti-aircraft mounting was introduced to the Royal Navy in the early 1930s. The multi-barrel mounting was capable of a tremendous volume of fire but the crew had great difficulty in aiming the mounting due to the smoke and vibration created by the guns.
The gun was ideal for defending against small fast vessels such as torpedo boats and was immediately adopted by the RN as the "Ordnance QF 3 pounder Hotchkiss". [2] It was built under licence by Elswick Ordnance Company. The Royal Navy introduced the QF 4.7-inch in HMS Sharpshooter in 1889, and the QF 6-inch MK 1 in HMS Royal Sovereign ...
The Ordnance QF Hotchkiss 6 pounder gun Mk I and Mk II or QF 6 pounder 8 cwt were a family of long-lived light 57 mm naval guns introduced in 1885 to defend against new, small and fast vessels such as torpedo boats and later submarines. Many variants were produced, often under license, which ranged in length from 40 to 58 calibres, with 40 ...
The Ordnance QF 25-pounder, or more simply 25-pounder or 25-pdr, with a calibre of 3.45 inches (87.6 mm), was a piece of field artillery used by British and Commonwealth forces in the Second World War. Durable, easy to operate and versatile, [2] it was the most produced and used British field gun and gun-howitzer during the war.