This article is about barrel gas extraction. For the soldering tool, see Fume extractor (soldering).
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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. By creating a pressure differential in the barrel after the shell leaves, the bore evacuator causes most of the propellant gases and combustion residues to exit via the muzzle. Thus, when the breech opens for reloading, those gases and residues do not escape into the crew compartment and pose a hazard to the gun crew.[1]
^Perrett, Bryan (1987). Soviet Armour Since 1945. London: Blandford Press. ISBN 0-7137-1735-1.[page needed]
A boreevacuator or fume extractor is a device which removes lingering gases and airborne residues from the barrel of an armored fighting vehicle's gun...
This problem was addressed by the installation of an aspirator type boreevacuator. Despite solving the problems with the gun, the tank was deemed too...
Arsenal, IL. Because the evacuator was positioned lower on the gun's barrel US M68 guns were fitted with an eccentric boreevacuator instead of a concentric...
tank gun, the F1 uses a compressed air scavenging system instead of a boreevacuator. The recoil mechanism uses two symmetrically opposed hydraulic brake...
compartment. As a result of this, the design of the gun was modified to fit a Boreevacuator. In 1948, a new heavy tank project T43, later to become the M103, was...
an autoloader). They often display a bulge in the barrel, which is a boreevacuator, or a device on the muzzle, which is a muzzle brake. The first tanks...
The upgraded M26 received a new power plant and a main gun with a boreevacuator. Upon completion of the first model of the Detroit Tank Arsenal production...
millimetres (15.9 in) Caliber 100 millimetres (3.9 in) Barrels 1, rifled, no boreevacuator or muzzle device Rate of fire 8–10 rounds per minute Muzzle velocity...
double-baffle muzzle brake. Main production model. M26A1. M3A1 gun with boreevacuator and single-baffle muzzle brake. T26E4 (T26E1-1 pilot vehicle). This...
L30A1 and was fitted with the rifled gun's cradle, thermal sleeve, boreevacuator and muzzle reference system. Early trials apparently revealed that the...
force responsible for cutting off the northern Vietnamese city of Cao Bằng, bore the brunt of the losses in armour and managed to advance only 30 km within...
overpressure and help absorb recoil, the cannon has also been fitted with a boreevacuator, a blast deflector, and a concentric hydrospring recoil system. Ranging...
colloquially as a "brew-up"). The barrel of the L11A5 is fitted with a boreevacuator approximately two-thirds of the way to the muzzle and a thermal sleeve...
Le Boreal is a cruise ship owned and operated by the French cruise line company Compagnie du Ponant. It cruises to Antarctica and other places. The vessel...
1949, the upgraded M26 received a new power plant and a main gun with boreevacuator, and the M46 Patton designation. Less than a thousand were upgraded...
1949, the upgraded M26 received a new power plant and a main gun with boreevacuator, and the M46 Patton designation. Less than a thousand were upgraded...
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