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Old 11-28-2011, 02:06 PM #1
Jason5767
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Stock Axe Inconsistent +/- 30fps

I've looked around and found a lot of information about making this marker more quiet and upgrade options but I didn't see this problem address so I made a thread, hopefully someone can help.

I have a brand new axe that I put about 3 cases through 2 weekends ago and then another case this weekend. This being a brand new marker I expected it to be inconsistent, but not +/- 30fps. I was hoping this past weekend would be better, but it wasn't. I'm having the first few shots low and then back to 290 and then after 3 balls back to 240fps. Regardless of shooting a stream or taking a few shots here and there the gun is extremely inconsistent by more than 20 fps shooting good fresh tournament paint.

Input pressure - 190psi, but I've tried to put it anywhere between 160 to just below 200 for different results.

Dwell - stock

Firing Mode - Semi

please advise!!! Thanks!
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Old 11-28-2011, 03:11 PM #2
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Only thing I can think of is check the bore on with the paintballs you are using. Does the ball just fall through or can you blow it out with little effort from the barrel? What results are other people getting with similar guns (Eteks, G4's, Mini's etc.)
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Old 11-28-2011, 03:52 PM #3
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Paint was fresh and matched well to an old 1 piece Dye Aluminum. So it wasn't the paint/barrel match.

I'm curious how many turns out I should be with an input pressure of 180-190 psi?

Or if their is a way to set it like with a matrix/impulse lpr starting with pressure at a certain level and so many turns out until I get a big drop and then 1/4 turn back.
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Old 11-28-2011, 05:42 PM #4
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Even with stock settings I used the 1.5 turns out and used my lpr to adjust velocity method. I will defer to someone more knowledgeable than me about the inconcistency issue. Mine has shot well since new. Good luck bud.
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Old 11-28-2011, 06:27 PM #5
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Battery, lube, check rubber face, check bolt guide orings, check poppet assembly, after that make sure your noid is plugged in correctly after that talk to empire.
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Old 11-28-2011, 10:21 PM #6
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Quote:
Originally Posted by Jason5767 View Post
Paint was fresh and matched well to an old 1 piece Dye Aluminum. So it wasn't the paint/barrel match.

I'm curious how many turns out I should be with an input pressure of 180-190 psi?

Or if their is a way to set it like with a matrix/impulse lpr starting with pressure at a certain level and so many turns out until I get a big drop and then 1/4 turn back.
whats your definition of matching well?

You should try underboring the paint. Meaning it wont roll through and will require you to push it through or blow it through. Also if you are using cheap ****ty paint each ball will be different resulting in inconsistency. Try and purchase a high quality paint and underbore it and then see if you are having issues.

My axe was pretty inconsistent for the first case or two, but not its around +/- 5 at max with draxxus bronze or silver.

Also, turn your bolt 1.5 turns out, and adjust the velocity with your reg....just make sure not to go over 200! Mine is running around 150-160.

changing the battery wouldnt hurt either.
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Old 11-29-2011, 07:40 AM #7
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2 cases of gold and 1 case of hellfire first time I played. Second time some Valken Redemption. so Paint was fresh and good. Barrels were all good.


Going to try these:

1.5 turns out with a fresh battery. If that doesn't work then I'm going to go through this list:

Lube, check rubber face, check bolt guide orings, check poppet assembly, after that make sure your noid is plugged in correctly.

Does anyone have a good picture breakdown of the bolt posted anywhere?
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Old 11-29-2011, 08:46 AM #8
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stay with one brand of paint. shoot rps premium, marbs something high end for testing consistency. set the gun to 200psi and leave it. set the velocity on the back for fps. make sure the barrel is sitting 1 inch past the chrono every time. check the lube on all bolt related o rings, actually just relube it but dont over grease it. if you over lube the bolt and guides it will shoot out a small amount of lube down the barrel giving inconsistent ball velocity and accuracy. try using the stock barrel, its definitely over bored and will be like +-15fps because of that. change the battery too! sketchy stuff happens in brand new guns because of a crappy battery. relube the poppet too and its guide.
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Old 11-29-2011, 09:29 AM #9
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You should try overboring the paint.
Fixed.
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Old 11-29-2011, 09:48 AM #10
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Overboring is inconsistent and less efficient. You'll have to run the gun at a higher pressure if you are going to overbore.

The only thing Overboring is good for is when your paint is too brittle for underboring.
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Old 11-29-2011, 09:54 AM #11
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Quote:
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Overboring is inconsistent...
No.

Quote:
Originally Posted by BabyFace View Post
...and less efficient.
Yes.
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Old 11-29-2011, 10:08 AM #12
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Sometimes right from the factory the poppet o-ring is dry. Take the poppet out wipe it down nice and clean and lube only the o-ring not the face. Most of the time these type issues are poppet o-ring related.
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Old 11-29-2011, 12:38 PM #13
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I really appreciate all the inputs from everyone to try and fix this problem. Does anyone have a picture of the bolt/spring/poppet blown up on the nation that I can print out?
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Old 11-29-2011, 12:39 PM #14
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Quote:
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Sometimes right from the factory the poppet o-ring is dry. Take the poppet out wipe it down nice and clean and lube only the o-ring not the face. Most of the time these type issues are poppet o-ring related.
What Boss said. Low or inconsistent velocity is likely caused by the poppet oring.

For best consistency you want to have the back cap the least amount of turns out as possible. Also running between 200-210 will give better consistency verses lower pressures. Always use a fresh battery. And your paint to barrel match should be tight so that you can just barely blow the ball through, or not blow the ball through at all.

1.5 turns out on the back cap for a stock, brand new Axe at 190-210psi is MUCH TOO FAR. If you have to back cap out this far lube the poppet oring or replace the poppet oring. Use Dow33 lubricant or equal quality when possible.

Also on a brand new Axe it is a good idea to use paintball marker oil and put 3-6 drops in the ASA/regulator when you air it up. Use paintball marker oil only.
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Old 11-29-2011, 06:22 PM #15
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If you just bought the gun from a local shop bring it to them and explain it. Any good paintball gunsmith can figure it out. Read your manual you just got on the CD that the gun came with man.
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Old 11-29-2011, 06:59 PM #16
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Spring on incorrectly/ backasswards?
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Old 12-05-2011, 03:53 PM #17
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Poppet O Ring was the problem. Thank you for everyones help.
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Old 11-01-2012, 05:48 PM #18
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i have the same problem goona change the poppet oring
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