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Silencer/Muffler

A place to ask general spud cannon related questions.
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Silencer/Muffler

Unread postAuthor: chaos » Wed May 23, 2007 5:11 am

I had A go at making a silencer/muffler for my gun.

its works and definitely takes the sharp ear piercing crack of the gun upn firing.
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Unread postAuthor: experament-u2 » Wed May 23, 2007 5:20 am

that is so nice chaos it looks rely smooth. what type wool wool did you use?
nice poster 2 :lol:
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Unread postAuthor: MrCrowley » Wed May 23, 2007 5:33 am

Nice! That looks really awesome, if it was black it would be hard to tell the difference between a proper one.
I've made one also, they do make a huge difference, I love the sound they make.
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Unread postAuthor: jackssmirkingrevenge » Wed May 23, 2007 5:38 am

Does it really work that well? Can you do a with/without video?
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Unread postAuthor: chaos » Wed May 23, 2007 5:51 am

yer k ill do a vid, i find it makes a difference.

any one know where to upload sound files?
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Unread postAuthor: rna_duelers » Wed May 23, 2007 6:02 am

If you want to make a VERY effective silencer why not take the approach used on gun silencers.The silencers are many times the volume of the barrel(about 20x) and have broken sections such as 3 sections on with 10x the volume then one with 7xi then another with 3x the volume any bet you will notice a change in the noise with that but it would be about as big as the chamber on a gun....Not very practical.

Get up the video or sound recording because it sure does look sweet and even better if it has performance to match.
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Unread postAuthor: jackssmirkingrevenge » Wed May 23, 2007 6:26 am

rna_duelers wrote:If you want to make a VERY effective silencer why not take the approach used on gun silencers.


That's why I'm questioning the true effectiveness of this particular model (no offence to chaos' handiwork, of course) because as far as silencers go, there is no substitute for cubic capacity and this one seems a bit limited.
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Unread postAuthor: chaos » Wed May 23, 2007 6:32 am

jackssmirkingrevenge wrote:
rna_duelers wrote:If you want to make a VERY effective silencer why not take the approach used on gun silencers.


That's why I'm questioning the true effectiveness of this particular model (no offence to chaos' handiwork, of course) because as far as silencers go, there is no substitute for cubic capacity and this one seems a bit limited.


thats so tru, this one that i have built is realy fo taking the ear piercing crack of it at higher pressures. but i might try a nice big version :D

soz cant do vids or anything tonight. ill get them asap
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Unread postAuthor: Hotwired » Wed May 23, 2007 7:57 am

I made a simple sound moderator for my cannon.

Muffling the cannon blast would need a smegging huge bottle sized thing with a lot of cotton wool/wire wool/stuff.

So all it actually does is stop the CRACK! of firing, instead I get a duller THUMP! which still echos off buildings but it doesn't sound so much like a firearm.

Made of a cardboard tube about 1.5' long with a pattern of small holes and knife slits in it. Slides over the barrel tip.

So the air blast gets weakened and dissipated by the vented tube before it finally gets out.

First few shots had the very amusing effect of sending puffs of cardboard fibres from every single hole and slit in the tube ^_^
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Unread postAuthor: chaos » Wed May 23, 2007 8:00 am

Hotwired wrote:I made a simple sound moderator for my cannon.

Muffling the cannon blast would need a smegging huge bottle sized thing with a lot of cotton wool/wire wool/stuff.

So all it actually does is stop the CRACK! of firing, instead I get a duller THUMP! which still echos off buildings but it doesn't sound so much like a firearm.

Made of a cardboard tube about 1.5' long with a pattern of small holes and knife slits in it. Slides over the barrel tip.

So the air blast gets weakened and dissipated by the vented tube before it finally gets out.

First few shots had the very amusing effect of sending puffs of cardboard fibers from every single hole and slit in the tube ^_^


thats the same as what i get, just a "thump" no crack that makes you deff for a few hours
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Unread postAuthor: jackssmirkingrevenge » Wed May 23, 2007 8:20 am

chaos wrote:thats the same as what i get, just a "thump" no crack that makes you deff for a few hours


That's a good result when you're trying to suppress a supersonic firearm, but when the device in question is powered by air and firing projectiles at well below the speed of sound, you should be aiming for something akin to a flatulent mouse :wink:
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Unread postAuthor: Hotwired » Wed May 23, 2007 8:30 am

I know some very noisy mice :wink:

These aren't air rifles that fire pellets using a a couple of cubic mm of 3000psi air.

Those have silencers that can do that but ours have very large volumes of air which is at an inefficient pressure. It would take a lot to muffle it all to a relatively quiet level.
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Unread postAuthor: jackssmirkingrevenge » Wed May 23, 2007 8:58 am

With some careful design and an appropriate allocation of volume, there's no reason why spudgun silencers can't be effective.
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Unread postAuthor: chaos » Wed May 23, 2007 9:05 am

yer true when it comes to larger calibers silencers just lose there practicality eg: Barret m82 .50bmg would need a quite large silencer to capture most of the gases created from the round and thus preventing it being in-effective with a small silencer.

our airguns are much similar in that we would need a large "un-practical" suppressor to make it sound as you said like "a flatulent mouse"lol :lol:
which would either piss me off to carry a 3ft length of stainless pipe across the road and up the hill just to shoot.

but now as i think about it i make the suppressor to not have to go away from the house??? :?
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Unread postAuthor: jackssmirkingrevenge » Wed May 23, 2007 9:14 am

chaos wrote:yer true when it comes to larger calibers silencers just lose there practicality eg: Barret m82 .50bmg would need a quite large silencer to capture most of the gases created from the round and thus preventing it being in-effective with a small silencer.


looks pretty cool me :D

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but now as i think about it i make the suppressor to not have to go away from the house???


Now you're talkin' ;)
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