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120 mm smoke bomb HC-93/HC Mk2
Region
Austria
Category
Ammunition, Missiles and precision weapons
This bomb outwardly resembles the 120 mm HE Mk2 and WP Mk 2 smoke bombs. It has a cast-iron body with six gas check grooves around the bourrelet but differs in internal construction. The payload is a canister of hexachloroethane smoke composition, which is ejected by the action of a time fuze and expelling charge. The tail unit and propelling charge are those of the WP smoke bomb. (Mk2 in parentheses) Length: fuzed - 749 mm (750 mm) unfuzed - 687 mm Weight, fuzed: 14.3 kg in flight Weight and type of payload: 2.51
kg hexachlorethane Number of charges: P + 7 Fuze: mechanical time Max range: 7,900 m (8,150 m, 1,535 mm barrel) Min range: 500 m Muzzle velocity: (377 m/s, 1,535 mm barrel) Chamber pressure: to 120 mPa Height of burst: 350 m Duration of smoke effect: > 180 s (min 150 s). Applications include HP Mortar M12-222, M12-3222 and all 120 mm smoothbore mortars.