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Expansion Chamber

Skillet007

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May 13, 2004
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I am considering buying an Expansion Chamber for my 98 Custom but someone told me that the Expansion Chamber is made only for C02 and not NOS. IF this is true, would it be better off to get the Expansion or the NOS???
 

le-pig

the brotherhood
May 16, 2002
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when you say nos i take it you mean compressed air / nitrogen:confused:
expansion chambers are only used on co2,ie they let the liquid c02 expand into a gas.
if you can afford a air/nitrogen system then get it as its far more consistant than co2,it's also far cleaner than co2
ps in the uk nitrogen systems are normally called commpressed air or air;) :)
 

Skillet007

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May 13, 2004
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So do you mean that compressed air last longer that co2?
What is a low pressure system? I heard that it somehow puts the right amount of psi behind the ball to make it go further. Will it work with the Compressed air?
 

Skeet

Platinum Member
Firstly NOS is NitrousOxide, laughing gas!!!
Nitrogen is N2, in the UK we use compressed air (generally) tho there is little difference, although N2 is pure, so should be better.

Air is stored at up to 4500psi (300bar) in the UK, we dont really have access to 5000psi fills, which are more common in the USA.

Co2 is poo really.

You get many more shots from a tank of compressed air, than you do Co2 due to the storage preassure, unless I think you are using an old Shocker, they are better on Co2 I think (I know, I was surprised as well!!).

Low preassure chambers, reduce the preassure of each charge of gas/air, by increasing its volume...the idea is that a lower preassure charge, reduces the balls tendency to flex and wobble (like a balloon filled with water) on its way up the barrel, and through the air, thereby making it more accurate in flight.
Also reduces kick.
 

dr.strangelove

PrematurelyPost-Traumatic
Sep 14, 2002
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You can get more shots with Co2 on just about any marker. Because it's stored in a liquid state it is possible to store more of it in a smaller container. However, because it must expand before reaching the marker, (especially with todays high ROF super-markers) you must worry about it not expanding properly and feeding liquid Co2 into your marker (an expansion chamber gives the liquid Co2 more space to expand into a gas before reaching your marker) and getting liquid Co2 into any marker is just no good any way you look at it. You'd be much better off with an N2/compressed air system (NOS, lol :rolleyes: ) than just buying an expansion chamber for Co2. A low pressure kit on an M98 is a total waste of money, so don't worry about that until you're ready to buy something new. The big draw to LP is lower bolt impact supposedly resulting in lower kick (personally, the "kick" from a paintball marker has never altered my aim or accuracy, but I guess if you're too weak to hold your marker straight under that enormous pressure that you'd see the results :rolleyes: ), and resulting in fewer chopped balls (although with the the new era of anti-chop technology, it's getting harder and harder to break paint anyway). But LP doesn't necessarily mean better efficiency. In fact, since LP = high volume, you can actually wind up with poor efficiency (as demonstrated by the Matrix and Shocker). Like I said, don't worry about that right now. Do some reading at forums and paintball info sites to learn more about it and keep it in mind for the future should you decide to upgrade.
 

Skillet007

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May 13, 2004
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Alright Ill take your word for it. I just didnt know to get an expansion chamber or just plain N2 if that is what is better. I have been in paintball for maybe a year now, but I dont really want to get super serious in it you know? I like to buy good quality stuff though but I dont really care about getting a nice gun- im just in it cause I like to whoop my friends butt all the time. But anyways thanks for the info and ill take your advice but if you know any forums that I can learn some of this technology please let me know.