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How to Make a Silencer For Your Spuddy

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Unread postAuthor: tomthebomb137 » Sat Mar 01, 2008 2:31 pm

as long as the bullet doesnt break the sound barrier, it can be suppressed very effectivly, but once you start using supersonic ammo, when a suppressor is fitted, it doesnt do as much ex. a mp5sd firing a subsonic 9mm vs an m-4 firing a .223 at a supersonic speed. But the reason you can get gains and losses is because you are essentially extending the barrell of the weapon. Different calibers and loads have different optimal barrell lengths, and so adding 4in all the way up to 14" (in the case of the suppressor for the M82A1) to the barrell can change the chemistry of the weapon. The mp5 fires a round that was designed for a pistol (a pistol having a very short barrel), but in a rifle format, so the mp5 has about the optimal barrel length without a scilencer, but once one is added, all you have done is increase the resistance on the bullet, and decrease the velocity, but at the same time increase the accuracy. If you are using a slighty larger round on a weapon with a shorter than optimal barrel, such as a Glock .40 S&W, then a suppressor will increase the perforance in both velocity and accuarcy because the gas is still expanding through the length of the suppressor, and in turn giving the bullet more force than it would of had without the suppressor. This is also why a suppressor hides the muzzle flash, because in both cases the suppressor is giving the gunpower more time to burn inside the barrel. (muzzle flash is the burning of the unburned powder in the front of the barrel) So to sumerize it up for the ppl who dont wana read my entire post :lol: , you are extending the barrel and if you are under the optimal length, you will increase velocity, while if you are at or over the optimal length, you will decrease it
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Unread postAuthor: Jared Haehnel » Sat Mar 01, 2008 2:35 pm

Thanks for that post it was very informative.... I really appreciated it.
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Unread postAuthor: tomthebomb137 » Sun Mar 02, 2008 9:18 am

im glad someone accually read and understands my essay style post :D
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"Once the pin is pulled, Mr. grenade is no longer our friend"

"Always keep in mind your weapon was made by the lowest bidder"

-US Infantry General

"Whoever said the pen is mightier than the sword obiously never encountered automatic weapons"

-General Dounglas McArthur
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Unread postAuthor: Tweetybird » Sat Mar 22, 2008 1:57 pm

The best silencing material is flame proof blanket material for children found at your local walmart store. To silence the barrel, you need to bore 1/4" holdes into the barrel itself, and then build a 3" pipe around your 1 1/2" barrel. pack the inside before you place on the outer reducer. The outer barrel should not have any holes in it. A silencer does not silence the shot, however, it reduces the load snapping crack of the cannon. After you make the mods, you can shoot it in your neighborhood without your neighbors calling the cops.
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Unread postAuthor: tomthebomb137 » Sat Mar 22, 2008 9:20 pm

carefull, whatever you do use as a scilencer medium, make sure not to pack it too tightly, as this will defeat the purpose of the supressor. Also to the best of my understanding, the softer the medium is, the better noise reduction as it slows the expanding air behind the projectile better. Ive tryed things such as craft feathers, which sounds stupid, but it accually worked quite well, although i had to put quite a large amount in.
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"Once the pin is pulled, Mr. grenade is no longer our friend"

"Always keep in mind your weapon was made by the lowest bidder"

-US Infantry General

"Whoever said the pen is mightier than the sword obiously never encountered automatic weapons"

-General Dounglas McArthur
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Unread postAuthor: Tweetybird » Sun Mar 23, 2008 8:44 pm

This is great advise and it sounds as if you had a lot of trial and error. The best advise i can give is...A smart man learns from his mistakes, and an even smarter man learns from other's mistakes.
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Unread postAuthor: tomthebomb137 » Sun Mar 23, 2008 9:12 pm

thats a great way to put it :D and thats a big part of this site, that and the pool of different ideas we can get on a topic
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"Always keep in mind your weapon was made by the lowest bidder"

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"Whoever said the pen is mightier than the sword obiously never encountered automatic weapons"

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Unread postAuthor: Lentamentalisk » Sun Mar 23, 2008 10:24 pm

If you are using a combustion, then all you need to do is cool down the hot gases. Soft materials only matter with pneumatic silencers. For a combustion you can simply fill a large expansion chamber with large amounts of densely packed steel wool. As the gases expand they will cool down, and as they run through the steel wool they will lose lots of their heat as well.
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Unread postAuthor: Jared Haehnel » Mon Mar 24, 2008 1:10 pm

Make sure you don't put the steel wool too close to the chamber...the stuff is flammable especially if you get the really fine stuff.

I know it would be unlikely but some guy who's launching a heavy object who is using and oxygen/propane mix.... or a hybrid I could see it as plausible...
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Unread postAuthor: tomthebomb137 » Mon Mar 24, 2008 4:59 pm

so only cooling the gasses can accually make the gun quiter? i find that pretty cool, and jared, you have a great point, steel wool does have an atendency to catch fire
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"Once the pin is pulled, Mr. grenade is no longer our friend"

"Always keep in mind your weapon was made by the lowest bidder"

-US Infantry General

"Whoever said the pen is mightier than the sword obiously never encountered automatic weapons"

-General Dounglas McArthur
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Unread postAuthor: jackssmirkingrevenge » Mon Mar 24, 2008 11:48 pm

tomthebomb137 wrote:so only cooling the gasses can accually make the gun quieter?


cool gas -> lower pressure -> less noise.

This is the reason some firearm silencers benefit from a bit of water inside them before firing, so called "firing wet" ;)
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Unread postAuthor: Darkerweb12 » Wed Mar 26, 2008 12:09 pm

tomthebomb137 wrote:(in the case of the suppressor for the M82A1)


There's been a supressor made for the M82?

That must be a hell of a can, to suppress a .50 BMG.

Is the can the size of a helium tank?
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Unread postAuthor: Jared Haehnel » Wed Mar 26, 2008 12:33 pm

I have heard they tried making one for that gun...but I didn't know they had one yet....
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Unread postAuthor: jackssmirkingrevenge » Wed Mar 26, 2008 12:59 pm

Darkerweb12 wrote:There's been a supressor made for the M82?


There's several available, here's one of them:

Image

Still a very loud shot though, for a really quiet shot from a large calibre you need something chambered for subsonic rounds, like the Russian VSSK. This can fire a projectile that's almost double the weight fired by the 50 BMG ball round, meaning that while the velocity is much lower to avoid a sonic crack, you still get significant muzzle energy with a round that is accurate out to several hundred metres.
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Unread postAuthor: tomthebomb137 » Wed Mar 26, 2008 4:37 pm

yah, the supressed m82a1 has a suppressor that takes up almost the entire length of the exposed barrell (about 14-15 in) and reduces the sound down to about the equvilent of a standard, unsupressed colt .45 ACP pistol, which for what the barrett does to material targets, is pretty decent. In reality though, with a large caliber such as the .50 BMG, you should be taking the shot from a distance at which whoever is locatedat , or is the target, should not be able to hear the shot, or at least the shooter should have enough time to take a few more shots if nessisary before their possition is comprimised. Also with the .50 BMG, if you have ever heard it, it has a fairly "flat" low report that is pretty hard to detirmine the direction it came from, and so in reality, its not very practical
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"Once the pin is pulled, Mr. grenade is no longer our friend"

"Always keep in mind your weapon was made by the lowest bidder"

-US Infantry General

"Whoever said the pen is mightier than the sword obiously never encountered automatic weapons"

-General Dounglas McArthur
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