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silencer questions

A place to ask general spud cannon related questions.
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Unread postAuthor: Hydra » Fri Mar 21, 2008 11:20 pm

I dont see how a silencer could affect the velocity of something.
Oh and before i forget
http://en.wikipedia.org/wiki/Suppressor
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Unread postAuthor: D_Hall » Sat Mar 22, 2008 12:26 am

Hydra wrote:I dont see how a silencer could affect the velocity of something.
Oh and before i forget
http://en.wikipedia.org/wiki/Suppressor

Read your own link. Pay attention to the section titled "wipes."
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Unread postAuthor: jackssmirkingrevenge » Sat Mar 22, 2008 3:28 am

D_Hall wrote:Read your own link. Pay attention to the section titled "wipes."


Indeed, if the projectile is making physical contact with the suppressor, then it's being slowed down by friction. If the friction is greater that the accelerating force of the propelling gasses behind the projectile, then it's going to slow down. Sometimes, this is a deliberate effect, like in the MP5SD, which can fire normally supersonic 9mm ammunition and slow it down to below the speed of sound to avoid the sonic "crack". Of course a better idea is to use special subsonic ammunition which wastes no energy and usually has a heavier bullet, but the ability to use any ammunition does give the operator more tactical flexibility.
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