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  #1  
Old 12-07-2010, 10:39 AM
spy alelo spy alelo is offline
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Default 2008 Spyder RS

Hi all,

There is an issue I have with my marker, I've looked everywhere to no avail. In a nutshell, I am having a hard time getting past 200fps at 300psi, even if the velocity screw is adjusted. I had to bump it past 400psi (almost the limit of the regulator) and the improvement is at 250fps with the velocity screwed almost all the way in. Sometimes, it will reach 280fps. I have tried several barrels, paint, etc with little to no difference. The oring for the striker seems okay, so is the one for the bolt. Synthetic oil on the striker and bolt orings. Dow 33 has been applied to regulator rings as recommended by Kingman and is clean too. No leaks anywhere. This gun has been in two games only.

My theory is that the bolt may be back-blowing some of the gas, maybe it needs a thicker oring.

Any other ideas as to what the issue may be?
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  #2  
Old 12-07-2010, 06:44 PM
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Default Re: 2008 Spyder RS

Does the bolt have orings?
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  #3  
Old 12-07-2010, 07:59 PM
spy alelo spy alelo is offline
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Default Re: 2008 Spyder RS

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Originally Posted by oldironmudder View Post
Does the bolt have orings?
Yes, it has one. I did remove it and fired a few shots, it made NO difference in speeds. I think we got something here.
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  #4  
Old 12-08-2010, 06:51 AM
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Default Re: 2008 Spyder RS

it would never hurt to change the striker o-ring. have you disassembled the gun before you had this problem?
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  #5  
Old 12-08-2010, 10:52 AM
spy alelo spy alelo is offline
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Default Re: 2008 Spyder RS

I have taken it apart for general cleaning and oiling, but this problem is been there from the beginning. I can try replacing the striker o-ring, but I don't know. I would think it would hammer if that ring is bad, but I can try it anyway.

I am somewhat convinced that is the crappy bolt, I think the tolerance on it is not very good since removing the o-ring on it made no difference whatsoever. Will report after a quick swap.
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  #6  
Old 12-08-2010, 11:58 AM
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Default Re: 2008 Spyder RS

Im not sure if o rings make a difference or not. older spyders had them, newer ones do not. a friend of mine had an mr1 and it just lobbed the balls out and he his had a bad striker o ring but once it was changed it was fixed.
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  #7  
Old 12-08-2010, 12:19 PM
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Default Re: 2008 Spyder RS

The oring on the bolt never really did anything for me except when I started hitting really low OP's. The bolt's delrin too, so it shouldn't even need an oring with a Spyder, which is why some models didn't have them.

The striker oring is what I'd change out first. Make sure to change it out with a red oring from your spare parts kit, it's actually one specifically for the striker. A tank oring will work in a pinch, but since you're trying to diagnose an issue like this I would replace it with the proper one.
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  #8  
Old 12-10-2010, 12:35 PM
spy alelo spy alelo is offline
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Default Re: 2008 Spyder RS

I am going to have to order some replacements, I used the one that came in the spare parts kit on an older Spyder that needed it. I was tempted to use the regular urethane ring, but you are right. I wouldn't know what it would do at this point.
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  #9  
Old 12-10-2010, 01:13 PM
spy alelo spy alelo is offline
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Default Re: 2008 Spyder RS

I did it anyway, I installed the urethane oring on the striker and as soon as I clocked it, with its current setting it went up to 320fps. I was able to take it down to 300psi and unscrew the velocity bolt all the way out, it was right at 270fps which is exactly where I want it to be. It is also SO MUCH quieter and the recoil is very little. So yeah, I will be getting that oring soon to replace with the proper o-ring. Thank you guys SO much! It was a complete mystery to me, and now I know better.

Last edited by spy alelo : 12-10-2010 at 01:24 PM.
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  #10  
Old 12-10-2010, 10:08 PM
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Default Re: 2008 Spyder RS

Thats what were her for
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