Air Lock Industries Suppressor

[Coopsdaddy]

I'd think an analyst would be able to create a BEM (Boundary Element Model) to predict the difference, without needing to run a CFD for the flow. That's assuming the OTB portion is just an expansion chamber and not part of a long tortuous path. That stated, I collected and processed data for BEM and CFD correlation, but never worked as an analyst running the sims.

Or to think of it another way, the aperture can be used as a flow limiter for OTB (and apparently the Airlock) but not for other non-OTB cans. Why? Really high turbulence (Airlock), or resonator (OTB)? Just thinking/typing out loud.

Any plans to make a Otb suppressor?

 

[StupidLightweight]

The Airlock ZerOTB Gravity, the world’s quietest .25-cal suppressor!

Any plans to make a Otb suppressor?

 

[Escalante11]

Any plans to make a Otb suppressor?

Why though? It is already quieter and has a better tone than the leading OTB cans such as the OG 6.5.. Why would ZG add weight and cost to their cans if they are already accomplishing what OTB cans seek to do?

 

[sneaky]

Why though? It is already quieter and has a better tone than the leading OTB cans such as the OG 6.5.. Why would ZG add weight and cost to their cans if they are already accomplishing what OTB cans seek to do?

There's not a single muzzle forward can that has the same tone as an OTB can. They're just different. Decibels have nothing to do with tone.

Sent from my SM-S918U using Tapatalk

 

[Coopsdaddy]

Just curious what they could come up with.
If they haven’t done it than nobody knows.
‘Maybe there’s more juice to squeeze out.
I bet they wouldn’t have a problem selling them.

 

[Escalante11]

There's not a single muzzle forward can that has the same tone as an OTB can. They're just different. Decibels have nothing to do with tone.

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Have you shot them both? Just curious if you have any experience with both or are throwing out your assumption as fact?

You’re right, decibels have nothing to do with tone. Just as being “different” has nothing to do with being better.

 

[Halleywood]

I wrap silicone heat tape on ends not covered by weka sleeve. Cover whole thing with coban than electrical tape the ends.

Could you just forgo the weka sleeve and use the heat tape, vet wrap, and electrical tape? I'm not familiar with the silicone heat tape.

 

[omicron1792]

Could you just forgo the weka sleeve and use the heat tape, vet wrap, and electrical tape? I'm not familiar with the silicone heat tape.

So I did this on my most recent suppressor and it’s working fine now.

If for heavy range work do a muffler wrap layer too.

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Buy High Temperature Silicone SelfAdhesive Tape for Auto Wires Household Sealing HeatResistant Versatile at Walmart.com

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[Halleywood]

So I did this on my most recent suppressor and it’s working fine now.

If for heavy range work do a muffler wrap layer too.

Thanks! I'm going to try this out before I order one of those weka covers.

 

[Brandon_SPC]

There's not a single muzzle forward can that has the same tone as an OTB can. They're just different. Decibels have nothing to do with tone.

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I've honestly don't understand the "tone" reasoning. Getting down to the science of it, the "lower tone" will travel further than a higher pitch. Assuming both are producing the same DBs and the higher pitch can isn't affecting the shooters ears, in theory, at least at distance, the perceived noise would be less with the higher pitch can than the lower tone.

 

[HuntHarder]

I've honestly don't understand the "tone" reasoning. Getting down to the science of it, the "lower tone" will travel further than a higher pitch. Assuming both are producing the same DBs and the higher pitch can isn't affecting the shooters ears, in theory, at least at distance, the perceived noise would be less with the higher pitch can than the lower tone.

But the animals prefer the otb sound...

 

[Huntnpack 2]

But the animals prefer the otb sound...

That may indeed be true.

 

[Bluefish]

I've honestly don't understand the "tone" reasoning. Getting down to the science of it, the "lower tone" will travel further than a higher pitch. Assuming both are producing the same DBs and the higher pitch can isn't affecting the shooters ears, in theory, at least at distance, the perceived noise would be less with the higher pitch can than the lower tone.

Depending on the frequency the ear canal resonates the sound and increases the perceived level. Usually in the 2-4K range. So a lower frequency content (tone) will be more pleasant to the human ear. Now as a shooter we are not far away from the noise source so the relative decay of the sound wave over distance isn’t all that much. If we were say 25-50 yards away then it may be different.

 

[omicron1792]

Depending on the frequency the ear canal resonates the sound and increases the perceived level. Usually in the 2-4K range. So a lower frequency content (tone) will be more pleasant to the human ear. Now as a shooter we are not far away from the noise source so the relative decay of the sound wave over distance isn’t all that much. If we were say 25-50 yards away then it may be different.

That’s a stretch my man.

If you said “high pitched sounds like my wife nagging,” then maybe it would be more believable.

 

[Brandon_SPC]

Depending on the frequency the ear canal resonates the sound and increases the perceived level. Usually in the 2-4K range. So a lower frequency content (tone) will be more pleasant to the human ear. Now as a shooter we are not far away from the noise source so the relative decay of the sound wave over distance isn’t all that much. If we were say 25-50 yards away then it may be different.

That’s true, but we’re talking about a hunting suppressor, where realistically one shot maybe two is being taken. To be honest, cans in the 128–133 dB range that have a higher pitch really aren’t that unpleasant. In many cases, the higher-pitched cans seem just as tolerable to me as my OTB can. I’ve even compared some smaller 5.56 cans to something like my OGL, and to be frank, my little Ridgeback Defense Rhino X (which has a higher pitch) was actually more pleasant to the ear on a .223 than the OGL. Even though the OGL had a 6.5 end cap and still has significantly more volume.

Another big argument I see for OTB cans is their lower tone and how it’s supposedly perceived by animals. But scientifically, higher-frequency sounds dissipate faster and travel less distance than lower-frequency sounds. That said, this may be somewhat anecdotal, but personally I haven’t seen any noticeable difference in animal reaction between low-tone and high-tone cans when they’re in roughly the same dB range. With both “pitches” of noise, none of the animals I’ve shot have truly known where the shot came from. Now where I have seen a difference is with cans that are simply louder overall. For example, comparing my Banish Backcountry to my OGL, the OGL clearly gets better reactions from animals.

 

[Gtscotty]

I think "tone" is just something people can perceive and have an opinion on (without spending $20k on Pulse system to get real numbers), so they do.

 

[HuntHarder]

Db's trump "tone" for me. My OG30 is obnoxious compared to my OG65, Scythe and even a lowly Gemtech.