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  #1  
Old 01-06-2006, 11:51 AM
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bomberpilot07 bomberpilot07 is offline
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Default i was thinking about this..

i just got my rocket valve but i need to raise my fps and lower my psi, so im gonna swiss cheese mod my striker. i had one question for anyone who has done it. if i did not put the holes the exact same lengths apart and evenly disperse what i drill wouldnt that just cause i recocking issue? it may not but then again hmm... and for those who have a rocket valve, if i cut another blowback port with my dremel on the opisite side of the old one would that make a more even air flow?

i think to much
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Old 01-06-2006, 12:33 PM
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Question Re: i was thinking about this..

Sry, I don't understand your rationale:

If you make the striker lighter, you'll need to up the pressure to achieve a higher velocity lol -

If you made another port, it would just channel excess pressure to the striker that's not needed -

If you have no experience with this valve in the first place, why are you going to mess with it before you have even the slightest of it's potential the way it is now? Just sounds like you're going to deform some parts before you've even given them a chance to perform well in their stock state -

Quote:
Originally Posted by bomberpilot07

i think to much
Ya.......may be lol -
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  #3  
Old 01-06-2006, 12:40 PM
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Default Re: i was thinking about this..

no need to that to your striker. I did it to mine...and didn't change a thing.

BTW what psi are you shootinh now and how low are you planning to go? from my experience 300-350 is the most reliable, you could go lower but that just brings on more problems and you marker will just be unreliable.
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  #4  
Old 01-06-2006, 12:54 PM
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Default Re: i was thinking about this..

its about 375 psi. i took it out in the back yard to shoot it...
i dont have a chrono but im pretty sure its shooting around 200 fps probably lower

and drago, if i lightened my striker and put in a heavy main spring wouldnt that make up for the velocity and still recock at the same psi? currently i have the light spring in it cause the heavy would sputter, and the medium would jackhammer.
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Old 01-06-2006, 01:25 PM
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Default Re: i was thinking about this..

that would still be the same...if you lightened the striker but put a heavy main spring is almost the same as having a heavy striker and light spring., and don't cut another blowback port...just screw the SRP all the way out and just widen the gap on blowback port of the rocket valve a little, not too much or you lose fps. a med spring should work with a normal striker.

btw have you widened the port on the VA? that would really help your airflow issues if you haven't.
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Old 01-06-2006, 01:42 PM
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Default Re: i was thinking about this..

Quote:
Originally Posted by DexGtr
that would still be the same...if you lightened the striker but put a heavy main spring is almost the same as having a heavy striker and light spring., and don't cut another blowback port...just screw the SRP all the way out and just widen the gap on blowback port of the rocket valve a little, not too much or you lose fps. a med spring should work with a normal striker.

btw have you widened the port on the VA? that would really help your airflow issues if you haven't.
well i got the rocket valve used so i cant screw it out anymore :-/. and i widened the va as much as i could.
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Old 01-06-2006, 01:59 PM
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Default Re: i was thinking about this..

I've noticed it seems that anyone that gets a used rocket valve and has probs with it, got it from someone that cut the valve pin too short and had recocking or velocity probs. They sell the valve because it's almost impossible to get a repair kit for them. You might try getting a repair kit before you pursue this any further otherwise you may be starting from a point where you cannot attain your goal at all no matter what you do. I would always deter anyone from buying a used rocket valve from someone that already cut the valve shaft -

The dealio with the springs is pretty much what Dex mentioned. If you use a heavier spring all it really does is makes it that much more difficult to recock the striker and if you have a misfire, the ball will most assuredly be chopped. The ultimate IMO is leaving the SRP opened as much as possible and using the lightest spring possible. That makes a nice dwell, recocking is simple and if there's a misfire, the bolt is less likely to chop the ball. Mine will just stop on the ball in this configuration -
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  #8  
Old 01-06-2006, 02:12 PM
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Default Re: i was thinking about this..

Quote:
Originally Posted by DRAGON
I've noticed it seems that anyone that gets a used rocket valve and has probs with it,
i had endless probs with the rocket valve....sometimes during agame the SRP would loosen and fall off and this is when it was loctited in there.

BTW to get my rocket valve working i had to use it in the fully opened position didn't even have to cut the valve stem, next thing you'll see is that the spring will compress and it will be loose and jiggling around in there.

my advice is ...get a better valve.
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Old 01-06-2006, 02:23 PM
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Default Re: i was thinking about this..

this is a pain
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  #10  
Old 01-06-2006, 03:02 PM
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Default Re: i was thinking about this..

I tried all the different springs(32* & Shocktech) including stock. Also tried different SRP locations and wide open/light spring worked best for my particuar setup. Doesn't mean it will be best for someone elses though. I took the whole valve apart, polished everything and used alcohol to clean it before reassembly. Used red loctite on the SRP and it has never come undone since. I have thus far used it in 2 different markers and worked great in both. They are a pain for some to set up and I really don't see why since mine wasn't that much a hastle to -

A great product but I would never purchase any other Maddman products again because if their lack of honest management. Nothing to do with the product itself but a very disappointing result from an order I made with them. I will not support such a company again no matter how good their products are -
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