【小戴維迫擊砲】迫擊砲對現代戰爭有什麼作用？世界最大迫擊砲，口徑高達914毫米，一發砲彈2噸重，一炮炸平一座山

小戴維重型迫擊砲是二戰美國研發的重型火砲，它採用迫擊砲的工作模式，原計劃用於突破敵人堅固的防禦陣地，然而實戰的發展讓它沒有機會發揮作用，最終只能存放於阿伯丁博物館靜靜地生鏽。該炮主要有兩大部分組成，一個36英寸（914毫米）口徑的巨型砲管，另一個是長約5.5米，寬約3.3米的鋼製底座。底座為鋼製，可以承受砲管的耳軸，有俯仰結構和方向調整結構，它需要工兵們在事先選定的預設陣地上挖出對應尺寸的坑，等底座運到了就能直接放進去，縮減部署時間。整個底座重約72.5噸，如此才能承受砲身巨大的重量和射擊時帶來的後坐力。砲管部分重約65.3噸，原計劃為了達到射程要求，每平方英寸要有65000磅的強度，但是在設計中使用了三段熄滅法，砲管實際強度增加到95000磅，射程得到極大提升，達到了將近8700米，超出軍隊提出的要求。該炮發射砲彈重約1.7噸，所需的發射藥重約970千克。 The small David heavy mortar is a heavy artillery developed by the United States in World War II. It adopts the working mode of the mortar. It was originally planned to be used to break through the enemy's strong defensive positions. However, the development of actual combat made it have no chance to play a role and could only be stored in the end. Rusting quietly at the Aberdeen Museum. The gun is mainly composed of two parts, one is a 36-inch (914 mm) caliber giant barrel, and the other is a steel base with a length of about 5.5 meters and a width of about 3.3 meters. The base is made of steel, which can bear the trunnion of the gun barrel. It has a pitch structure and a direction adjustment structure. It requires engineers to dig a pit of the corresponding size on the preset position selected in advance. , reducing deployment time. The entire base weighs about 72.5 tons, so that it can withstand the huge weight of the gun body and the recoil caused by firing. The barrel part weighs about 65.3 tons. The original plan was to have a strength of 65,000 pounds per square inch in order to meet the range requirements. However, a three-stage extinguishing method was used in the design, and the actual strength of the gun barrel was increased to 95,000 pounds, and the range was greatly improved. , reaching nearly 8,700 meters, exceeding the requirements of the army. The gun fired projectiles weighed about 1.7 tons, and the required propellants weighed about 970 kilograms.

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