The M60 mounted a 105 mm M68 main gun with the bore evacuator mounted towards the middle of the tube, compared with the M48's 90 mm M41, which mounted the bore evacuator towards the end of the tube right after its T-shaped muzzle brake.
12.
A "'bore evacuator "'or "'fume extractor "'is a device on the gun barrel of an armoured fighting vehicle which helps prevent poisonous propellant gases from venting back into the vehicle's fighting compartment when the gun breech is opened to load another round.
13.
The heavier but older M26 Pershing was deemed unsatisfactory due to its inferior mobility, which was unsuitable for a medium tank role as it used the same engine that powered the much lighter M4 Sherman, and in November, 1949, the upgraded M26 received a new power plant and a main gun with bore evacuator, and the M46 Patton designation.
14.
The M68 rifled cannon is equipped with a metal thermal shroud, a "'bore gas evacuator "'located two-thirds of the way down on the barrel, and is equipped with a Muzzle Reference System collimator on the muzzle itself . " So we may be looking at a "'bore gas evacuator "', if I'm reading this right.
15.
The M68 rifled cannon is equipped with a metal thermal shroud, a "'bore gas evacuator "'located two-thirds of the way down on the barrel, and is equipped with a Muzzle Reference System collimator on the muzzle itself . " So we may be looking at a "'bore gas evacuator "', if I'm reading this right.
