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Old 10-06-2008, 11:16 PM
Rover Rover is offline
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Gun 'uncocking' after short bursts?

I've noticed an interesting problem with my A-5!

Setup.

E-trigger.
Redhot JCS tube.
Madmax (or something) superlight spring.
Palmers male stab
Palmers inline stab.


I was using a fresh 24oz tank, and my palmers male was reading 750. I was running remote, and I my inline stab /should/ be set at approx 900-950.

I noticed that when I was shooting (And this happens on 8BPS, up to 15BPS) that it would fire great, then suddenly 'clickclickclick' and the E-trigger is going alone. I need to recock the marker and do it again. I would shoot probably 10-15 balls in a single spray, before it would give out. Sometimes it would be more, other times it could be only 2-3.

Is this just a recharge problem? Not enough CO2 to rearm the marker? Would increasing the PSI solve the problem?
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Old 10-07-2008, 09:54 AM
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Re: Gun 'uncocking' after short bursts?

Try it without one of the stabs. It sounds like your bottle can not keep up with the gun. Watch the gauge when you are shooting. If it air pressure decreases as you shoot the stab is not getting enough airflow. I had a very similar problem. The hole in the ASA on older A-5s was too small. I did not notice it until I got my stab and remote line.
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Old 10-07-2008, 11:34 AM
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Re: Gun 'uncocking' after short bursts?

You have dual stabs. In order to avoid shootdown they should be set at least 250psi apart from each other. Also it is more than likely a matter of recharge, you could still be getting liquid co2 into the marker causing irratic rates of recharge at high rates of fire.
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Old 10-07-2008, 12:04 PM
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Re: Gun 'uncocking' after short bursts?

^^ Yep.

If you could use HPA, that would probably solve the problem.

Sounds like the CO2 can't expand fast enough. How cold is it outside?
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Old 10-07-2008, 12:33 PM
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Re: Gun 'uncocking' after short bursts?

Temperatures when I get out to shoot have been hitting 10-15 celcius,,,

And damn my friend for using my remote in the past. He installed the reg on it because he broke his remote putting it on there... >.<

If I just crank the inline stab wide open, does it still regulate at all? I'm not quite sure how they function.

And yes, when I watch the gauge it goes from like, 750-550-750-550-740-540-730-530 etc, right at time of shot, then back up, then down. So it slowly works its way down. (At a rate of 12BPS)

What gets me though, is I can still /fire/ the marker at 300 PSI. It recocks just fine, just that it won't feed a ball. But if I full auto at 300 PSI, it does uncock occasionally too. Thats what had me confused, because otherwise I'd be like 'recharge! of course!' (Though I'm still pretty sure thats the case)
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Old 10-07-2008, 12:51 PM
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Re: Gun 'uncocking' after short bursts?

It's definitely a recharge issue. Below 70*F CO2 performs much worse than HPA. I've posted a chart several times in the past showing the pressure of CO2 at various temperatures. You should be able to find it with a search. But basically, at those temperatures CO2 is actually below the recomended operating pressure of an A-5. Try putting a chemical hot pack in the botom of your tank pouch before each game. Or you could buy/make a battery powered electric heater for your tank. That's how we handled lower temps back in the olden days before HPA was around.

Personally, I use the chemical hot packs because I can get them for free at work. Any time the temp is below 70*F I'll throw one under my tank before each game. Works great. CO2 is great for paintball, you just need to understand how it works and what its limitations are to take full advantage of it.
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Old 10-07-2008, 12:59 PM
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Re: Gun 'uncocking' after short bursts?

Also, you could put the stock spring back in, maybe even a harder spring.

Try that and reply back
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Old 10-07-2008, 01:03 PM
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Re: Gun 'uncocking' after short bursts?

I'll do the switch now, and stick in a tank and give it a try. And just for my own curiousity, I'll do it in my house, where there is actually that crazy thing called heat.
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Old 10-07-2008, 02:00 PM
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Re: Gun 'uncocking' after short bursts?

The problem I had with my gun did not matter if it was CO2 or air. I will post some picks when I get home.
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Old 10-07-2008, 02:02 PM
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Re: Gun 'uncocking' after short bursts?

Quote:
Originally Posted by cwest1977
The problem I had with my gun did not matter if it was CO2 or air. I will post some picks when I get home.

Your A-5 probably just needed higher pressure. Some tippmanns run great at 400psi, some need close to 1k..
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