We took a closer look.
in the hopes of reducing the noise level at a weapons research facility. While we haven’t been able to find an official name for this device, a report from IfL described earlier versions of it simply as a “muffler.”published by IfL in 2001 concerning their research on mufflers for large guns stated that:
In co-operation with Rheinmetall and MAN the IfL did the acoustical measurements and developed a muffler for the 120 mm gun of the Leopard 2. The goal of this investigation was to reduce the noise load from shots with large guns in the vicinity of military testing facilities and other facilities where shooting is done from defined positions …
The general idea of this type of muffler is to expand the propellant gases into an appropriate tank and store the gas there until pressure and motion are low enough that they can leave the tank in a steady subsonic flow into the surrounding air.shows a large muffler around the barrel of a M109 155mm self-propelled howitzer.
It should be noted that the muffler pictured in this viral photograph is not the first of its kind. A photograph of a similar muffler can beExperimental silencer, undegoing tests for the Army, may make it possible to fire the 105mm gun of the M60 tank at the U.S. Army Weapons command test and evaluation range at Rock Island Arsenal , Ill, where firing noise has prohibited such testing.
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