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Old 07-05-2011, 03:44 AM   #1
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Default vacuum of space

could a firearm fire in the vacuum of space? i am wondering, because there is no gas for the fire to burn.

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Old 07-05-2011, 04:03 AM   #2
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Shotgun shells fire underwater in bang sticks, as far as I know.

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Old 07-05-2011, 04:10 AM   #3
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Here read through this, it was discussed here.Firing in space.

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Old 07-05-2011, 04:29 AM   #4
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I think if there is enought oxygen withing the cartrige to ignite the primer/powder, it would fire at least somewhat. I guess it really depends on the caliber and the how much space is within the cartrige. Once it does fire though, since an object in motions, remains in motion unless acted upon by a force, it should never lose speed in the vacume of space unless it impacts an object. That would be really cool.

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Old 07-05-2011, 11:35 AM   #5
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Quote:
Originally Posted by estrack2 View Post
could a firearm fire in the vacuum of space? i am wondering, because there is no gas for the fire to burn.
Firearms work.just fine in space. All the oxygen need to combust is inside the powder itself. Modern smokeless powder is an oxidizing reaction it doesnt use edternal air to burn.
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Old 07-05-2011, 12:31 PM   #6
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As the folks have said- any air inside a cartridge case is not relevant to powder burning.

BLACK powder is fuel (charcoal) and oxidizer (nitrates)
SMOKELESS powder is a mix of nitrogylerin and nitrocellulose. It chemically contains it's own oxidizer.

When I load explosives into a hole drilled 100 ft into solid rock, and plug the top of the hole, the explosives shoot just fine with no air. Most of what went into that hole is chemically combined oxygen. ANFO is 5.72% diesel fuel, 94.28% ammonium nitrate (oxidizer)

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Old 07-05-2011, 06:57 PM   #7
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[QUOTE=c3shooter;534942]SMOKELESS powder is a mix of nitrogylerin and nitrocellulose. It chemically contains it's own oxidizer.QUOTE]

Did not know this. Thats pretty cool.

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Old 07-05-2011, 11:07 PM   #8
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Quote:
Originally Posted by estrack2 View Post
could a firearm fire in the vacuum of space? i am wondering, because there is no gas for the fire to burn.
As others have pointed out the powder supplier all the oxygen needed to fire...now the big question; with no air molecules to disturb will it make a sound?
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Old 07-05-2011, 11:11 PM   #9
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Absolute vac sucks the O out of everything, including the powder. Please trust me on this, no way would it actually fire. The spark would happen from the strike, but without fuel to cause the combustion, there is no way to fire. I have worked with fac on many many occasions, down to e-07 in some cases.

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Old 07-05-2011, 11:25 PM   #10
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CD- if it were in the form of a free GAS, yes, vac would pull that out. However, it is in the form of a solid chemically combined with something else. At the NIOSH research station South of Pittsburgh, we explode different explosives in a BIG steel chamber completely filled with Argon- in order to test the gasses produced in a detonation. There is ZERO oxygen in there- other than the nitrates in the powder. My point- vacuum cannot break a chemical bond. Blasting caps are an explosive contained in a sealed metal shell, NO gaseous oxygen- and they go bang very well.

As far as sound- no sound in a hard vacuum, HOWEVER- when the gun fires, you no longer HAVE a perfect vacuum- you have a rapidly expanding gas. Your vacuum is no longer a vacuum, and close enuff, you could hear or feel it.

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