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Old 09-21-2012, 03:42 PM   #21 (permalink)
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Originally Posted by 240SX View Post
What spring combinations are you guys using?
Depends on lots of stuff like what valve you are running, source of air [CO2, HPA], running through a reg first, input pressure, hammer weight....etc.

IMHO it is best to use trial and error with patience to come up with the correct spring combo for your specific gun/setup. Plus I never go by spring color as the precision of spring kits are not very exact and I have a lot of springs that are not in a kit [scrounged from multiple sources].
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Old 09-21-2012, 03:50 PM   #22 (permalink)
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I normally use green maddman main spring and AKA valve spring and in another blue maddman main spring and stock valve spring (might actually have the blue maddman valve spring in there, gotta check). First one runs at about 200psi or a bit lower and the second @ about 350 or 375psi.
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Old 09-21-2012, 04:24 PM   #23 (permalink)
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One thing I think needs to be said is that lowering the pressure range of a gun won't necessarily have a positive impact on how loud it is. You can actually make it louder. If you have to introduce a long dwell in order to get the velocity up due to the lower pressure, it's probably going to be louder.

I'm surprised no one had mentioned co2 in this thread. As taboo as it seems to be anymore, a lot of guns shoot notably quieter on Co2 than on HPA.
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Old 09-21-2012, 06:23 PM   #24 (permalink)
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does it count if I thought it in my head?
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Old 09-28-2012, 11:25 AM   #25 (permalink)
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you could always mq it.
http://www.youtube.com/watch?v=5DQqJIeMpv0
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Old 09-29-2012, 06:02 PM   #26 (permalink)
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Agree with Grendel, good point..........................
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Old 11-18-2012, 03:49 PM   #27 (permalink)
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I found getting my CCM T2 and Sanchez Machine SM-1 quiet was a not much of a challenge.

Fist, sweet-spot the regulator. This alone seems to make a big difference. It is not the reason I did it, but when it was done, I noticed a difference, especially with the SM-1. The T2 came from the factory nearly perfect, so the tuning made less difference.

Next, and easiest is a Deadlywind Fibur, with an underbore insert, the carbon fiber seems to deaden the vibration, the underbore allows you to dial back the IVG and makes the porting work better. I suppose and underbore barrel will help and any carbon fiber would help, Colin has just made it easy to get both in one barrel.

Third, increase your barrel length, while I usually run a 10" or 12” and the difference is not too much, when I go from a 10” to my 14” I can hear a difference, not sure if the sound signature changes downrange or just moves the muzzle farther from my face.

Letting go of the pump handle helps too.

Also, be sure you are judging the sound when actually shooting, just air can be much louder that shooting a paintball

Good Luck.
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Old 11-18-2012, 07:42 PM   #28 (permalink)
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Letting go of the pump handle helps too.
Please explain. I tend to add a return spring between the back block and ivg on full blocks and between the pump adapter/guide and pump on half blocks. I loath the bolt backing out, although with a big pump handle it's not something that happens all the time. And my return springs aren't exactly stiff. But on pumps without a good/functional return spring to keep the bore closed, I generally hold the pump to keep the bore sealed. Anyways, I'm a little curious. I heard this from someone else the other day, although I generally have little respect for the fellow's intellect so your statement here interests me.
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Old 11-18-2012, 08:01 PM   #29 (permalink)
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Quote:
Originally Posted by toymachine View Post
Please explain. I tend to add a return spring between the back block and ivg on full blocks and between the pump adapter/guide and pump on half blocks. I loath the bolt backing out, although with a big pump handle it's not something that happens all the time. And my return springs aren't exactly stiff. But on pumps without a good/functional return spring to keep the bore closed, I generally hold the pump to keep the bore sealed. Anyways, I'm a little curious. I heard this from someone else the other day, although I generally have little respect for the fellow's intellect so your statement here interests me.
Not holding on to the pump allows to bolt to move back when firing. This closes the passageway between the valve and upper tube, reducing the noise.
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Old 11-18-2012, 11:38 PM   #30 (permalink)
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Not holding on to the pump allows to bolt to move back when firing. This closes the passageway between the valve and upper tube, reducing the noise.
What he said^^^ I didnít know why, only an observation. Now I do, Thank you.
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