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H2O water in there suppressor

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  • Kobiash1

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    does anyone use any water in there suppressor. And if so does it quiet the suppressor any more. Also care and handling advice.
    Thanks
    Jerry
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    Younggun

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    I have put a small amount of water in my 9mm can.


    It only seemed to make much difference in first round pop. Don’t really bother with it anymore.


    You don’t want to use much. A suppressors ability to suppress is largely based on volume and more water means less volume. I never used more than a soda caps worth in my Evolution. That was plenty.


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    lonestardiver

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    Ok, I was envisioning air from a tank.
    Is compressed air from a can something different?

    The intent is to replace the oxygen in the can (in the first or blast chamber) with some inert gas whether it be CO2, Nitrogen, etc. Compressed air still contains oxygen. This is usually used to reduce first round pop and is more common on rimfire cans. First round pop is a secondary burn related to exposure to more oxygen. Some can manufacturers recommend running the can “wet” to reduce first round pop. Some people use wire pulling gel, spray type lubricants, water,etc. The key is it does not take much.
     

    ZX9RCAM

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    The intent is to replace the oxygen in the can (in the first or blast chamber) with some inert gas whether it be CO2, Nitrogen, etc. Compressed air still contains oxygen. This is usually used to reduce first round pop and is more common on rimfire cans. First round pop is a secondary burn related to exposure to more oxygen. Some can manufacturers recommend running the can “wet” to reduce first round pop. Some people use wire pulling gel, spray type lubricants, water,etc. The key is it does not take much.

    So how does it help cut down on muzzle flash?

    I bought my first can in 2012, so I understand the principles, but thanks.
     

    Brains

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    A small amount of propellant from the cartridge follows the bullet down the barrel, burning slowly due to the oxidizer being mostly used up in the initial bang. Once it hits air either outside the muzzle or in the can, there's now more oxygen available to speed up the burn. Voila, muzzle flash.
     

    Younggun

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    I hope that you don't think you answered my question, and this was for some other reason.

    The compressed air cans are usually nitrogen or CO2.

    The cans for cleaning dust from electronics and stuff. Air from an air compressor wouldn’t help much unless there was a ton of water in the tank.


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    lonestardiver

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    A small amount of propellant from the cartridge follows the bullet down the barrel, burning slowly due to the oxidizer being mostly used up in the initial bang. Once it hits air either outside the muzzle or in the can, there's now more oxygen available to speed up the burn. Voila, muzzle flash.

    In the case of muzzle flash I suspect it is a result of the conversion of the water to steam (1 gallon of water creates 1700 gallons of steam). With the little bit of water a resulting steam changes the air:fuel ratio to one that no longer supports combustion. (Too rich, more fuel than oxygen)
     

    ZX9RCAM

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    The compressed air cans are usually nitrogen or CO2.

    The cans for cleaning dust from electronics and stuff. Air from an air compressor wouldn’t help much unless there was a ton of water in the tank.


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    Thanks.
    That makes perfect sense and what I was expecting.
     

    Younggun

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    In the case of muzzle flash I suspect it is a result of the conversion of the water to steam (1 gallon of water creates 1700 gallons of steam). With the little bit of water a resulting steam changes the air:fuel ratio to one that no longer supports combustion. (Too rich, more fuel than oxygen)

    The water pulls heat from the gasses exiting the muzzle and prevents combustion.


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    lonestardiver

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    The water pulls heat from the gasses exiting the muzzle and prevents combustion.


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    Yes the conversion of liquid water to steam uses the heat energy to make the conversion. This is one of the reasons water is used to put out fires. It takes a lot of energy to make the phase change from liquid to gas thereby reducing the temperature of the environment.
     

    Younggun

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    Yes the conversion of liquid water to steam uses the heat energy to make the conversion. This is one of the reasons water is used to put out fires. It takes a lot of energy to make the phase change from liquid to gas thereby reducing the temperature of the environment.

    Very little steam if any is generated from firing a single round, or even several rounds through a wet suppressor.

    Most of the water just gets blown out the end of the can.


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    HKShooter65

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    I have an unfounded but experience based opinion. Nothing new in that!

    Suppression is based on slowing down and drawing out the duration of the sudden release of muzzle gasses.

    Water is about 785 times more dense than is atmospheric air.
    I think that having just a couple ml of water in the can causes a lot of the energy of the rushing and swirling gas to get dissipated by pushing the water about.

    To my ear the sound of the suppressor is changed in quality to a less harsh, a less "firearmlike" report.

    Back in the old days we used to pack 9mm wiped (terribly inaccurate) cans about 20% full with thick lithium grease.
    Messy but made a big suppression improvement.
     
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