There's plenty of advice on sound suppression if you search. The designs illustrated in the video that is the subject of this thread can be adapted to pneumatics, though you should focus more on volume.
You might also want to look at your chamber:barrel volume ratio, excessive chamber volume will give you a substantial noise increase disproportionate to the power gain. Increasing barrel length will also increase power and reduce noise levels in most cases.
Just to kick up an old thread:
If we're going for the cooling of propellant gases, why the steel wool, instead of something both more durable and better at absorbing heat, like Chore Boy, unless you're on probation and like buying flowers for your girl as well?
Otherwise interesting video.
WIP: unholy mixture of electronics and combustion.
hehe this is brilliant
Much better than the soda bottle adapter
Thats amazing!!!! I was surprised the thing didn't blow up on the first shot...
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Interesting, it was being advertised as a "Solvent Trap" to "capture the solvent and oil splatter that results when running a brush through from the breech of your weapon."
Who knows if that was the original intention then someone shot with it installed, or if they planned it as a suppressor all along...
Interesting online book: http://www.scribd.com/doc/63433263/Mode ... avid-Truby
This is my favourite
Here's an interesting design for people wanting to test loud devices without actually fitting a suppressor to their launcher:
Basically 6 automobile tyres in an oil drum...
uhmm it's just an adaptor... obviously they didn't want to state openly ->
Children are the future
unless we stop them now
Hehe from the book recently linked to:
One for the real engineers amongst you: http://www.dtic.mil/cgi-bin/GetTRDoc?AD=AD0384956
I skimmed through it. There's a lot of relevant data there for the 'shut-off' suppressors you've been messing with lately.
hehe I saw that!
"I beg your pardon, did you just discharge your firearm into my person?!"
Here's an even more pertinent document related to "pressure sustaining cartridges", wonderful stuff: http://www.dtic.mil/cgi-bin/GetTRDoc?AD=AD0334799
New shotgun suppressor from Silencerco, seems they got it down to the level of a suppressed 45 pistol, no mean feat.
At what cost to muzzle energy? I wonder how much they've decelerated the round in their efforts for silence
I would say the majority of shotgun loads are only a couple of hundred feet per second above the speed of sound anyway, so you can make subsonic loads with a bigger shot load to compensate.
Edit: besides, you can always dump the mag:
poc poc poc!
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