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Old 04-03-2012, 11:15 AM #1
cas18
 
 
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I'm having a little problem with my nt10

Alright so my problem is one day I was playing a tourney and it was hot and I went to chrono and all day my gun was shooting at the velocity they wanted at toward the end of the day it started to chrono in at 300-310 and I tried lowering it and it did not lower...... Do u think it could be my reg needs new parts and suggestions because I have the parts kit..... Keep in mind it was shooting at 300 and I was turning then reg screw to lower and raise the velocity left and right and there was no difference it went higher and that's it didn't go lower and suggestions
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Old 04-03-2012, 11:29 AM #2
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I would suggest checking your HPR piston orings and seat.
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Old 04-03-2012, 02:06 PM #3
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Quote:
Originally Posted by cas18 View Post
Alright so my problem is one day I was playing a tourney and it was hot and I went to chrono and all day my gun was shooting at the velocity they wanted at toward the end of the day it started to chrono in at 300-310 and I tried lowering it and it did not lower...... Do u think it could be my reg needs new parts and suggestions because I have the parts kit..... Keep in mind it was shooting at 300 and I was turning then reg screw to lower and raise the velocity left and right and there was no difference it went higher and that's it didn't go lower and suggestions
I had this problem but mine was shooting 340 and wouldnt go down. it was the two back oring on the spool. Just to be save I changed the third one after. (they are the purple orings by the way).
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Old 04-04-2012, 02:26 AM #4
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Your supposed to set the reg to around 135. Should be shooting at 300. Then lower velocity with the spacers.
The gun should only get more rough if you raise the pressure, should go to 285 with the main body spacer.
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Old 04-23-2012, 03:46 PM #5
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wouldnt using the body spacer create more volume in the gun thus increasing the pressure?

or do i have that backwards?
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Old 04-23-2012, 04:44 PM #6
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Lower volume higher pressure
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Old 04-23-2012, 05:32 PM #7
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Quote:
Originally Posted by SloppyPete View Post
wouldnt using the body spacer create more volume in the gun thus increasing the pressure?

or do i have that backwards?
It would create less volume in the gun. But yes, the pressure gets higher if you use spacers.
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Old 04-23-2012, 06:36 PM #8
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You guys are confusing him.

lets do this

You are shooting 300fps with 120psi and no spacers (using more volume uses less pressure)
If you use a large spacer without touching anything you will be at 285fps @ 120psi. (you are removing volume with the spacer)
BUT if you want to use a spacer and still get 300fps you will have to use 130psi. (less volume requires more pressure to make the same fps)

All those numbers are roundabout to give you an idea of how it works.
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Old 04-23-2012, 06:47 PM #9
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all your comments have nothing to do with the OP. his bolt is giving too much air, its an Oring problem and most likely the spool orings. if not the usual dwell...


Quote:
Originally Posted by cas18 View Post
Alright so my problem is one day I was playing a tourney and it was hot and I went to chrono and all day my gun was shooting at the velocity they wanted at toward the end of the day it started to chrono in at 300-310 and I tried lowering it and it did not lower...... Do u think it could be my reg needs new parts and suggestions because I have the parts kit..... Keep in mind it was shooting at 300 and I was turning then reg screw to lower and raise the velocity left and right and there was no difference it went higher and that's it didn't go lower and suggestions
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