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为了提高火炮弹丸的初速、降低身管的烧蚀、减轻火炮的重量,美军持续地进行了卅余年的液体发射药在火炮上应用的研究。迄今为止,美军已在航炮、中大口径坦克炮、中大口径舰炮上开展了这一研究。从近两年中继续发表的资料可以看到,研究的重点是25毫米和30毫米航炮、60毫米和75毫米新型自动坦克炮、海军5英寸(127毫米)和8英寸(203毫米)舰炮。海军计划在八十年代末或九十年代初在上述舰炮上要装备使用液体发射药。将配用于A10反坦克飞机的GAU-8/A型30毫米航炮的选用弹药之一是液体发射药,在1977财年上述航炮研制工作的基础上,空军
In order to improve the muzzle velocity of artillery projectiles, reduce the ablation of the barrel and reduce the weight of artillery, the U.S. military continued to carry out studies on the artillery application of liquid propellant drugs for more than three years. So far, the U.S. military has conducted this study on naval artillery, medium-large-caliber tank artillery and large-caliber naval guns. As continued from the information published in the last two years, the focus of the study is on 25- and 30-mm artillery guns, 60- and 75-mm new automatic tank guns, and the Navy’s 5-inch (127-mm) and 8-inch gun. The Navy plans to equip the above naval gun with liquid propellant in the late 1980s or early 1990s. One of the ammunition selected for the GAU-8 / A 30mm gun, which will be used in the A10 anti-tank aircraft, is liquid propellant. Based on the aerial gun development work conducted in fiscal year 1977, the Air Force