QF 17 pdr Mk I-II | |
|---|---|
| 国 | 英国 |
| 型 | 対戦車砲戦争 |
| 期間 | ww2 |
| トピック | アルバムのアルバム 23 銃の写真 QF 17 pdr Mk I-II |
QF 17 pdr Mk I-IIのフォトギャラリー、 オードナンスクイック発射17ポンド砲 (またはちょうど17-pdr)は、第二次世界大戦中にイギリスが開発した76.2mm(3インチ)の砲でした。●専用機に対戦車砲として使用され、多数のイギリス戦車を装備しました。●連合軍の最も効果的な対戦車砲でした。APDSショットで使用され、ドイツの戦車で最も厚い装甲を除いてすべてを打ち負かすことができます。これは、特に米国M4シャーマン戦車のシャーマンホタルバリアントを生産するために、英国のサービスでいくつかの外国製車両を「アップガン」するために使用され、英国の戦車ユニットにドイツの相手に対して独自の保持能力を与えました。●対戦車役では戦後120mmBAT無反動砲に置き換えられました。●戦車砲として84mm20ポンド砲で引き継がれます。
ソース： ウィキペディア
関連項目:
The Most Formidable Anti-Tank Gun of the West
ザ 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) |
|---|---|
| 役割 | 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) |
| Carriage | 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 シャーマンホタル. 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 Achilles そして アーチャー 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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