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Projectile, 155 mm: Smoke, HC, M116, M116B1 and
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Israel
Greece
Italy
Spain
Belgium
Germany
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Боєприпаси, ракети та високоточне озброєння
The M116 family of 155 mm base ejection smoke projectiles are separate loading munitions using hollow steel shell bodies with nose-mounted time fuzes. The original 155 mm Smoke HC M116 used a straight-sided steel body with a screw-on nose section. The 155 mm Smoke HC M116B1 and M116A1 bodies have steel forgings and the same general outline as the 155 mm HE M107. During storage and handling the projectile fuze wells are fitted with lifting plugs. The 155 mm Smoke HC M116 has a copper base closure disc and carries
its 131.5 g black powder expulsion charge in a cloth bag. The 155 mm Smoke HC M116B1 has a 154 g black powder expulsion charge in a polyethylene cup and uses a steel base closure disc. The M116 and M116B1 have cardboard canister separators while the M116A1 uses aluminium spacers. The M116 and M116B1 have small fuze cavities. The shell interior contains four smoke canisters, the top one smaller than the other three; it has tapered sides to fit into the shell ogive. The canisters are filled with HC smoke compound (hexachloroethane-zinc mixture); the 155 mm Smoke HC M116A1 carries a total weight of 8.7 kg of HC although the total weight with canisters is 11.72 kg. The increments are tied together by four cloth straps. A 96.4 g clean-burning igniter charge in a red cloth bag is sewn to the rear of the base section and an M2 flash reducer pad is assembled in front of the base charge. The complete charge is 533 mm long. The Propelling Charge M4A1 is similar to the M4A2 but does not contain the M2 flash reducer pad (although this can be added if required) and the base igniter contains black powder. The Propelling Charge M4 is a white bag charge, it differs from the M4A1 as it consists of a base charge and two increments only for firing as Charges 5 to 7. The M2 flash reducer pad is used with this charge. The M3 and M4 series of charges are fired using the MK2A4 or M82 primer. The M2 flash reducer pad used with these charges is a 101.6 mm square red cotton cloth bag containing black powder and potassium sulphate or potassium nitrate. The Propelling Charge M119 is a single white bag charge in a laced jacket fired as Charge 8.