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Animated sequence of how a bore evacuator works. A bore evacuator. A bore evacuator or fume extractor is a device which removes lingering gases and airborne residues from the barrel of an armored fighting vehicle's gun after firing, particularly in tanks and self-propelled guns.
The gun was developed by the Royal Ordnance Factories. As fitted to the Charioteer, it ran through two models: Model A without a fume extractor. Model B with a fume extractor. The L7 105 mm tank gun was developed from the 20 pounder. In 1954, the original version of the 105 mm was made by re-boring the tube of a 20 pounder barrel.
PT-76 (Ob'yekt 740, 1957) – PT-76 armed with the D-56TM 76.2 mm rifled tank gun (double-baffle muzzle brake, bore evacuator, fume extractor) and a height of the hull was increased by 13 cm. [4] It has night vision driver device TVN-2B, new headlamps, a new R-113 radio instead of the old 10-RT-26E set (it was later replaced by the R-123) and ...
The M48 Patton was the first U.S. medium gun tank [10] ... Tank crews complained that the Y-shaped fume extractor was found to be prone to snagging brush. It was ...
The biggest differences from its direct ancestor, the IS-3, were a longer hull, seven pairs of road wheels instead of six, a larger turret mounting a new gun with fume extractor, an improved diesel engine, and increased armour. General performance was similar, although the T-10 could carry more ammunition, from 28 rounds to 30 rounds.
The Type 69's appearance did not differ much from that of the Type 59. The fume extractor on the 100mm gun was moved back slightly and there was a large IR light attached to the turret. There was a laser rangefinder on the gun mantlet and a smaller IR light on the commander's hatch, making it the first Chinese tank capable of fighting in the ...
All PT-76s have a fume extractor for the main gun at the rear of the turret. Some were fitted with a multi-slotted muzzle brake . Most PT-76s typically feature this gun with a double-baffle muzzle brake, except for the PT-76B, which is typically fitted with the D-56T gun with a two-plane gun stabiliser , a double-baffle muzzle brake and a bore ...
The main armament consists of the Oto Melara 105 mm/52 caliber gyro-stabilized high-pressure, low-recoil gun equipped with a thermal sleeve and an integrated fume extractor, with 40 rounds: 14 ready rounds in the turret and another 26 rounds in the hull.