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Каталог оборонних продуктів — Сторінка 127

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107 mm HE bomb M329, M329A1, M329B1
Боєприпаси, ракети та високоточне озброєнняБоєприпаси, ракети та високоточне озброєння
United States
107 mm HE bomb M329, M329A1, M329B1
Armament US 107 mm Mortars M2 and M30 . Development This mortar and its associated ammunition was developed in the 1920s for the US Chemical Warfare Service production. However, it was limited and it was not until 1943 that it was approved for general service using explosive bombs. The basic bomb design has remained the same throughout the mortar's life, minor improvements being made from time to time. The 107 mm mortar and its ammunition became obsolescent in US service during the mid-1990s, being replaced by the M120/M121 120 mm mortar. The 107mm mortar is, however, widely used and may be encountered throughout the world. Description The bomb body is parallel-sided, with an ogival head and more generally resembles an artillery projectile than a conventional mortar bomb. A doughnut shaped cloth bag containing the first five propelling increments is never removed. The remainder of the charge consists of M8 sheet propellant increments, which are removed to adjust range. The nose adaptor is threaded for the fuze, which may be impact, delay or proximity. At the rear of the bomb is the cartridge container and obturation system, which is unique to this weapon. The 107 mm mortar is rifled, which presents the problem of how to drop load it and still engage with the rifling when fired. At the base of the bomb is a tubular cartridge container, which has the usual type of primary cartridge inserted into it and secondary increments fitted around it. The cartridge container is screwed into the base of the bomb; around the upper end of the container is a copper `rotating disc' which is dished so that the concave face is towards the cartridge container. This ensures the diameter of this dished plate is less than the bore of the mortar, enabling the bomb to be drop loaded in the usual way. Below this rotating disc lies a steel `pressure plate', of the same diameter as the bomb body. On firing, the propellant charge explodes and the gas pressure forces the pressure plate forward. This forces the dished rotating disc to flatten out so that its edges bite into the rifling of the barrel and form a gas seal. The attachment of the rotating disc to the bomb is such that any rotation of the disc, induced by the rifling, will be transmitted to the bomb. Therefore, as the gas pressure drives the bomb up the bore, the interaction of the disc in the rifling grooves develops spin in the bomb. The M329A2 has a pre-engraved rotating band which engages the rifling of the mortar bore as the bomb is dropped in the tube. There is also an obturator on the projectile base, which functions similarly to the pressure disc of the M329A1 to seal the rotating band in the mortar tube upon firing. The M329B1 has a forged body with an integral base. Manufacturer US government contractors.Читати далі
107 mm illuminating bomb M335, M335A1
Боєприпаси, ракети та високоточне озброєнняБоєприпаси, ракети та високоточне озброєння
United States
107 mm illuminating bomb M335, M335A1
Armament US M30 107 mm mortars. Development By US Ordnance Department as improvement on earlier models. Description This is of the same general form as the HE M329A1, differing principally by having the base of the bomb as a separate component attached to the body by shear pins. The bomb is assembled with a mechanical time fuze and consists of five major components: an illuminating canister assembly, a parachute assembly, an expelling charge assembly, a parachute holder assembly and the fuze. The internal components are keyed together to prevent differential rotation in flight. The illuminating canister is fitted with anti-rotational brakes that reduce canister spin at the time of ejection and prevent the parachute lines from twisting. When the time fuze functions, it ignites the expelling charge which explodes. The flame ignites the flare composition; the gas pressure forces the flare container away from the fuze, thus putting pressure on the baseplate and shearing the connecting pins. The plate and cartridge container fall away and the pressure forces the parachute and flare container from the bomb body. As the flare container exits, the two hinged plates are thrown outwards by springs and act as airbrakes to reduce the spin on the flare container, this ensures the composition burns evenly and progressively during its fall. The M335 and M335A1 differ only in filler and performance is essentially identical, except as noted. Manufacturer US government contractors.Читати далі
Israel Military Industries (IMI) 105 mm APAM
Боєприпаси, ракети та високоточне озброєнняБоєприпаси, ракети та високоточне озброєння
United States
Israel Military Industries (IMI) 105 mm APAM
Armament All 105 mm L7, Rh 105, M68 and CN105F1 series tank guns and South African GT7 tank gun. Development The Israel Military Industries ( IMI ) 105 mm APAM is an Anti-Personnel/Anti-Matériel round (hence APAM) intended to provide tank crews with the means to neutralise infantry tank killer squads armed with anti-tank missiles and rockets. The intention is to provide tank crews with a weapon that will be effective over a general area by providing air bursts created by six submunitions ejected from the base of the projectile as its travels over an area of terrain. The tank gunner aims towards the area to be engaged and elevates the gun muzzle before firing. An electronic time fuze on the nose functions after the pre-set time to eject the submunitions to detonate in rapid sequence and cover the terrain beneath with lethal fragments and blast effects. The submunitions are effective against troops in the open or behind natural or artificial cover, including trenches and foxholes. It is also claimed that the APAM round is as effective as a HE round against various matériel targets or bunkers. The APAM is in production and has been fielded by Israeli Army armoured units. In July 2000 it was announced that an agreement had been reached between Israel Military Industries ( IMI ) and the then PRIMEX Technologies (now General Dynamics, Ordnance and Tactical Systems (GD-OTS)) to offer the APAM round to the US Army's Brigade Combat Team. Under the terms of the agreement IMI will transfer all of the relevant technology and production know-how to GD-OTS. Both companies will manufacture portions of the round in their respective counties, with GD-OTS serving as the prime contractor for final systems integration and sales to the US military. The submunitions used with APAM are also utilised by the anti-personnel warhead under development for the shoulder-launched Shipon multipurpose personal assault weapon system. A 120 mm version of APAM is understood to be under consideration. Description The Israel Military Industries ( IMI ) 105 mm APAM is a fixed round with the steel projectile body rigidly crimped to the brass cartridge case by a series of crimping indentations. The steel-bodied streamlined projectile contains six submunitions, each filled with an unspecified amount of high explosive containing a high percentage of RDX. The submunitions are ejected from the projectile base under the control of an electronic time fuze threaded into a well in the projectile nose. As the projectile fuze functions it ignites a small ejection charge to create pressure against a plate which, in turn, forces the submunitions downwards until the baseplate separates from the rest of the projectile and the submunitions are ejected to air burst at what are termed specific intervals. The `proprietary' cylindrical submunitions are prefragmented in a controlled fashion to create a 20 m wide and 50 m long lethal area on the ground below. This pattern is long enough to cover and compensate for range measurement errors. Each fragment is designed to be capable of penetrating conventional body armour. The projectile baseplate also includes a protruding housing containing a tracer. The drawn brass M50 pattern cartridge case contains 3.5 kg of loose packed M6 propellant ignited via an M45112 electric primer. Maximum chamber pressure is 3,400 kg/cm 2 . Muzzle velocity is 800 m/s with an average velocity drop of 70 m/s per 1,000 m. Range is given as 3,000 m. Authorised fuzes ET Equivalent Rounds UNITED STATES OF AMERICA ET UNITED STATES OF AMERICA Manufacturer General Dynamics, Ordnance & Tactical Systems Description: standard specificationsЧитати далі
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