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Cartridge, 105 mm: Smoke, WP-T, M416
Регіон
Belgium
Категорія
Боєприпаси, ракети та високоточне озброєння
The 105 mm Smoke WP-T M416 is a fixed round with the projectile crimped into a rimmed cartridge case. Two gilding metal drive bands encircle the projectile body. The M949 projectile has thin steel walls and a relatively short ogive similar to that used on the HEP-T M393 series. The base is flat and houses an M534 series base detonating fuze, together with a protruding housing containing an M12 tracer which burns for a minimum of 6 seconds after firing. The tracer is ignited directly by the M86 primer tube which
extends the full length of the cartridge case. The projectile contains a centrally oriented M48 burster assembly containing Composition B. The burster casing is machined with a six-bladed impeller extending into the filling which is 2.72 kg of White Phosphorus (WP). The impeller is used to increase in-flight stability at firing temperatures above +38ºC. The cartridge case may be either a 70:30 brass M150 or a steel M150B1. Both types are fitted with an M86 electrical primer and are filled with a nominal 2.68 kg of M1 single-base propellant in a cloth bag. Before loading, the primer is normally protected by a metal clip over the base of the cartridge case. The muzzle velocity of the 105 mm Smoke WP-T M416 is 731.5 m/s. Maximum range is 9,150 m. This 105 mm tank gun round was standardised in 1964 and is intended to produce spotting, signalling or screening smoke. There are also some secondary incendiary effects against suitable flammable targets. It is no longer in service with the US Army. Applications include all 105 mm L7, Rh 105, M68 and CN105F1 series tank guns and South African GT7 tank gun.