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Posted: 8/30/2015 6:41:07 PM EST
[Last Edit: 8/30/2015 7:06:01 PM EST by ewetstone]
Probably a stupid question but here goes.

As a can/baffles accumulates carbon thru use will its db level increase?

ETA: Well...thought is was. Does no one know?
Link Posted: 8/30/2015 9:17:37 PM EST
Link Posted: 8/30/2015 9:19:04 PM EST
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Originally Posted By BigWaylon:
A dirty suppressor is often quieter than a clean one. That's why a lot of people will just knock the chunks out of a rimfire can instead of trying to make the baffles look new again.

At some point, suppression would start to suffer due to a loss of interior volume...but that may take awhile.

For example, I'd guess this can isn't as quiet as it used to be. Pic was taken after a local suppressor shoot this weekend...lots of FA 22. (Not going to embed the pic because the original is huge)
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Gotta be signed in
Link Posted: 8/30/2015 9:27:51 PM EST
[Last Edit: 8/30/2015 9:28:38 PM EST by BigWaylon]
Link Posted: 8/30/2015 9:48:33 PM EST
[Last Edit: 8/30/2015 10:18:05 PM EST by ewetstone]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By BigWaylon:
A dirty suppressor is often quieter than a clean one. That's why a lot of people will just knock the chunks out of a rimfire can instead of trying to make the baffles look new again.

At some point, suppression would start to suffer due to a loss of interior volume...but that may take awhile.

For example, I'd guess this can isn't as quiet as it used to be. Pic was taken after a local suppressor shoot this weekend...lots of FA 22. (Not going to embed the pic because the original is huge)
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Yea...I kind of figured there must be some type of performance curve. Possibly as the interior spaces change in size and shape due to the build up, the can no longer performs as it should.

Link Posted: 8/31/2015 5:12:48 AM EST
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Originally Posted By BigWaylon:
I saved it and uploaded it somewhere else. Here you go.

http://s4.postimg.org/b40o2wo2l/image.jpg
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Dayum! Lots of vinegar and peroxide please...
Link Posted: 8/31/2015 6:50:38 AM EST
Link Posted: 8/31/2015 1:26:57 PM EST
[Last Edit: 8/31/2015 4:06:23 PM EST by rzrsedge]
My form 1 .22 freeze plug build got noticeably quieter as it got dirty. I don't scrub it clean as others have said, just get the big stuff out. I would assume the crud helps absorb sound compared to reflective bare metal and maybe add a tiny amount of turbulence.
Link Posted: 8/31/2015 6:57:01 PM EST
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Originally Posted By rzrsedge:
My form 1 .22 freeze plug build got noticeably quieter as it got dirty. I don't scrub it clean as others have said, just get the big stuff out. I would assume the crud helps absorb sound compared to reflective bare metal and maybe add a tiny amount of turbulence.
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My guess is that a thin layer of build up gives more surface area for absorbing the new unburned particulate in subsequent shots. Sort of like activated charcoal filters for drinking water.

MHO, YMMV, etc.
Link Posted: 8/31/2015 10:08:40 PM EST
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Originally Posted By SecondAmend:


My guess is that a thin layer of build up gives more surface area for absorbing the new unburned particulate in subsequent shots. Sort of like activated charcoal filters for drinking water.

MHO, YMMV, etc.
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Originally Posted By SecondAmend:
Originally Posted By rzrsedge:
My form 1 .22 freeze plug build got noticeably quieter as it got dirty. I don't scrub it clean as others have said, just get the big stuff out. I would assume the crud helps absorb sound compared to reflective bare metal and maybe add a tiny amount of turbulence.


My guess is that a thin layer of build up gives more surface area for absorbing the new unburned particulate in subsequent shots. Sort of like activated charcoal filters for drinking water.

MHO, YMMV, etc.
Exactly, same principle as commercial building/church/event center noise dampening ceiling tiles and stuff
Link Posted: 8/31/2015 10:52:56 PM EST
Originally Posted By ewetstone:
Probably a stupid question but here goes.

As a can/baffles accumulates carbon thru use will its db level increase?

ETA: Well...thought is was. Does no one know?
View Quote
At some point yes but I picked up a Griffin Armament Revolution 45 last week and was downright disappointed with the sound until I put a few mags through it. Once the baffles had some carbon on them it quieted down and I am now very happy with it.
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