QF 17 pdr Mk I-II

QF 17 pdr Mk I-II
Zemlja	Velike britanije
Tip	Rat protiv tenkovskog oružja
menstruacija	ww2
Tema	Album albuma 23 fotografije pištolja QF 17 pdr Mk I-II

Foto galerija QF 17 pdr Mk I-II, The Ordnance Quick-Firing 17-kilogram (ili samo 17-pdr) bio je pištolj od 76,2 mm (3 inča) koji je razvila Velika Britanija tokom Drugog svetskog rata. Korišćen je kao protivtenkovski pištolj na sopstvenom vagonu, kao i opremanje brojnih britanskih tenkova. To je bio najefikasniji saveznički protivtenkovski pištolj u ratu. Korišćen sa pogotkom APDS-a bio je sposoban da porazi sve osim najdebljeg oklopa na nemačkim tenkovima. Korišćen je za 'up-gun' neka vozila stranog ugrađenog u britanskoj službi, posebno za proizvodnju Šerman Fajerflj varijante američkog tenka M4 Šerman, što je britanskim tenkovskim jedinicama dalo mogućnost da se drže protiv svojih nemačkih kolega. U protivtenkovskom ulozi zamenjena je puškom bat bez premca od 120 mm posle rata. Kao tenkovski pištolj uspeo je sa 84 mm 20 funti.

Izvor: Vikipedija

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The Most Formidable Anti-Tank Gun of the West

Čaj 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)
Ulogu	Anti-Tank Gun (Towed or Vehicle Mounted)
Kalibar	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 Šerman Firefli. 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 I Arиer 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.