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AirStar Nova For Airstar/PGI/WarMachine Paintball guns. Nova's and all related markers.

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Old 02-04-2016, 03:58 AM   #1 (permalink)
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co2?

I figured this marker wouldn't give a damn about co2, but it seems to be over pressured when I gas her up.

I'm assuming i should run nitro/compressed air instead? I just use co2 to test some markers because n2 fills are a 2 hour round trip.

here's a video of the symptom. all i can guess is the co2 output is too high because I turned the velocity way down in the back of the Nova itself and the pressure is still too great.

https://www.youtube.com/watch?v=DuYC1j06Xi4
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Old 02-04-2016, 04:38 AM   #2 (permalink)
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I answered my own question. I ran the co2 through a reg and everything sealed as it should. i hate co2 so much.

https://www.youtube.com/watch?v=jn3If2CRILI
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Old 02-04-2016, 01:18 PM   #3 (permalink)
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I don't think the gas has anything to do with it. By adding a reg what you're doing is dual regulating it as it also has an internal reg. If the overpressure relief doesn't trip when you add a reg and it's shooting at velocity, I'd be concerned that there are issues with the internal reg.
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Old 02-04-2016, 05:09 PM   #4 (permalink)
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Originally Posted by MaD View Post
I don't think the gas has anything to do with it. By adding a reg what you're doing is dual regulating it as it also has an internal reg. If the overpressure relief doesn't trip when you add a reg and it's shooting at velocity, I'd be concerned that there are issues with the internal reg.
i thought the gas had nothing to do with it either since these came out around that time period when n2 tanks were still kind of new.

*sigh* i'll open the reg housing up and double check and try again when I get home.

i'll post results when I do so.
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Old 02-05-2016, 02:24 AM   #5 (permalink)
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Alright, I have the reg apart again. I was wondering if the piston o-ring should be urethane along with the relief o-ring in the rail?


apparently yes. i'll just continue to talk with myself and answer myself.

it's the most action that the Airstar section has had in a long time.




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Old 02-05-2016, 12:54 PM   #6 (permalink)
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Not sure what the specs are or if they were even documented. I haven't owned one in a long time so I have nothing to reference. There are a few nova folks around so maybe someone will notice. superman did do a video on the reg rebuild so maybe he has some insight.
https://www.youtube.com/watch?v=lgvLzjQ15ak
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Old 02-05-2016, 01:15 PM   #7 (permalink)
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your missing the oring on the threaded brass piece. I think i used a 010 or a 009. basically anything that will fit over it will do.
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Old 02-05-2016, 11:00 PM   #8 (permalink)
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your missing the oring on the threaded brass piece. I think i used a 010 or a 009. basically anything that will fit over it will do.
i did put an oring on there after i left that comment. it still leaks out of the 006 and creeps through the piston then it overpressurizes.

have either of you ever installed buna type orings in these two specific areas with no problems?

i'm assuming i need 006 urethane and the piston 114/70 urethane
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Old 02-05-2016, 11:02 PM   #9 (permalink)
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i have used them. I know the urethane orings normally have tighter tolerances though so that would be what i would go to next. They are a good bit more expensive though.
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Old 02-05-2016, 11:09 PM   #10 (permalink)
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So then i'm guessing you've had problems with the buna type orings in the past? Did you encounter the same problems as me?

i'm going to order a few of these in both of those sizes (114/70, 006) if that's what will make it work then that's what i want.

I'll let you guys know when I install them within the next few weeks.
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