m224迫击炮内部信息.doc
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M224 60mm Light Mortar
Garys U.S. Infantry Weapons Reference Guide
TECHNICAL DATA Complete System Country of Origin USA Date Of Introduction 1978 Crew 3 Caliber 2.4 in (60 mm) Weight 46.5 lb (21.1 kg) Conventional Mode18.0 lb (8.2 kg) Handheld Mode Range 77 - 3,828 yd (70 - 3,500 m) Rate of Fire Maximum: 18-30 per minute for 1 to 4 minutesSustained: 8-20 rounds per minute, indefinitely Unit Replacement Cost $10,658 M225 Cannon Weight 18.0 lb (8.2 kg) Conventional Mode14.4 lb (6.5 kg) Handheld Mode M7 Baseplate Weight 14.4 lb (6.5 kg) M8 Baseplate Weight 3.6 lb (1.6 kg) M170 Bipod Assembly Weight 15.2 lb (6.9 kg) Traverse 250 mils M64-Series Sightunit Weight 2.5 lb (1.1 kg) Length 4.375 in (111 mm) Width 4.75 in (121 mm) Height 7.375 in (187 mm) Field of View 17° (302 mils) Magnification 1.5 unity power Light Source Self-contained, radioactive tritium gas (H3) DESCRIPTION
The M224 60mm mortar is a muzzle-loaded, smooth-bore, high-angle-of-fire weapon. The mortar can be fired in the conventional mode or handheld mode. It can be drop-fired or trigger-fired. The M224 provides air assault, airborne, ranger, and light infantry rifle companies with an effective, efficient, and flexible weapon. The inherent limitations of a light mortar (short-range and small-explosive charge) can be minimized by careful planning and a thorough knowledge of its capabilities. The M224 can be employed in several different configurations. The lightest weighs about 18 pounds; the heaviest weighs about 45 pounds. Each round weighs about 4 pounds. The mortar can be fired accurately with or without a fire direction center. The short minimum range of the M224 makes the mortar well suited for close protective fires against an assaulting enemy, for block-to-block fighting in cities, and combat over close terrain with restricted visibility.
M225 Cannon Assembly
The cannon assembly has one end closed by a base cap. The base cap end of the cannon has cooling fins on th
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