QF 17 pdr Mk I-II | |
|---|---|
| 国家 | 英国 |
| 类型 | 反坦克枪战 |
| 时期 | ww2 |
| 主题 | 专辑 23 枪的照片 QF 17 pdr Mk I-II |
QF 17 pdr Mk I-II 的照片库， 军械快速燃烧 17 磅 （或只有17pdr）是英国在第二次世界大战期间研制的76.2毫米（3英寸）的枪。它被用作自己的马车上的反坦克枪，并装备了一些英国坦克。这是战争中最有效的盟军反坦克炮。与APDS射击一起使用，它能够击败德国坦克上除最厚的装甲之外的所有装甲。它被用来"上枪"一些外国制造的车辆在英国服务，特别是生产谢尔曼萤火机变种的美国M4谢尔曼坦克，使英国坦克单位有能力举行自己的对德国同行。在反坦克角色中，战后它被120毫米BAT无后防冲步枪所取代。作为坦克枪，它是由84毫米20磅成功。
源： 维基 百科
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The Most Formidable Anti-Tank Gun of the West
这 Ordnance QF 17-pounder was arguably the finest Allied anti-tank gun of World War II. Developed in 1941 to counter the increasing thickness of German armor, it surpassed the earlier 2-pdr and 6-pdr guns in every metric. While the Mk I was the standard towed version on a split-trail carriage, the Mk II (and subsequent Marks) were optimized for use in tanks and tank destroyers. It was the only Allied gun capable of consistently knocking out a Tiger or Panther at combat ranges, making it the most feared weapon in the British arsenal.
| Attribute | Technical Specification (17-pdr Mk I) |
|---|---|
| 作用 | Anti-Tank Gun (Towed or Vehicle Mounted) |
| 口径 | 76.2 mm (3 inches) |
| Barrel Length | 55 calibers (approx. 4.2 meters) |
| Rate of Fire | 10 rounds per minute |
| Max Range (HE) | ~9,600 meters (10,500 yards) |
| Armor Penetration | ~130mm (APCBC) to ~230mm (APDS) at 1000m |
| Weight (Towed) | 2,100 kg (4,600 lbs) |
| 运输 | Split-trail (Mk I) / Vehicle mounting (Mk II) |
Design Engineering: High Velocity and Sub-Caliber Power
- The Muzzle Brake: Due to the massive propellant charge required to fire such a heavy shell at high speeds, the 17-pdr produced a violent recoil. A large, double-baffle muzzle brake was essential to dissipate the gases and prevent the gun from leaping off the ground.
- APDS (Sabot) Technology: The 17-pdr pioneered the use of Armor-Piercing Discarding Sabot (APDS) ammunition. By firing a smaller tungsten core inside a lightweight sleeve that fell away after leaving the barrel, the projectile achieved incredible velocities (over 1,200 m/s), allowing it to punch through the front of a Tiger II.
- The “Pheasant” Expedient: When the 17-pdr barrels were ready before their proper carriages were, the British mounted them on 25-pounder howitzer carriages. These hybrid guns, known as “Pheasants,” were rushed to North Africa just in time to surprise German Tiger tanks at Medenine.
- Mk II Integration: To fit this massive gun into a tank turret (like the Sherman Firefly), the recoil system had to be completely redesigned. The Mk II variant featured a shorter recoil stroke and turned the gun 90 degrees on its side to allow the loader to access the breech more easily in cramped conditions.
Operational History: Breaking the Panzers
- The Firefly Legend: Perhaps the most famous use of the 17-pdr was in the 谢尔曼萤火柴. This gave British and Commonwealth armored units a tank that could finally kill German heavies from the front, forcing German tank commanders to target the “long-barreled Shermans” first.
- Northwest Europe: From D-Day to V-E Day, the 17-pdr was the primary “door kicker.” Whether towed by a Crusader tractor or mounted on the 阿基里斯 和 射手 tank destroyers, it provided the lethal reach needed to halt German counter-attacks.
- Massive Signature: The downside of its power was the muzzle blast. Firing the 17-pdr kicked up so much dust and debris that it instantly gave away the gun’s position and often blinded the crew for several seconds after the shot.
- Post-War Service: The 17-pdr was so effective it remained in service long after the war, seeing action in the Korean War and serving as the primary armament for the early Israeli tank corps.
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