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Old 03-20-2012, 02:19 PM   #1 (permalink)
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Kp3 with less velocity

After 4 years laying around i aired up my kp3, but it only has 190fps
I tried some washers under the rammer spring, but that doesnt work, it still has 190 fps.
Any ideas? Do the old/weak springs maybe cause the problem?
(in germany it is impossible to get new or tuning springs)
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Old 03-20-2012, 02:46 PM   #2 (permalink)
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How the paintball fit in your barrel today? Are you able to see alot of light around ball? This will effect your velocity. Shimming the hammer spring would work to increase velocity. If too must air is blowing pass paintball. It is wasted energy. To a point where, the valve can only flow so much air. Solution find paint that fits better in the barrel. That will assist in increase velocity
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Old 03-20-2012, 11:55 PM   #3 (permalink)
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are you useing CO2 or HPA?
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Old 03-21-2012, 11:12 AM   #4 (permalink)
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You can buy a new valve spring and main spring from MaD, here on mbc.
Do you have roll-outs, if so then like funsiOO said, your paint is to small (remove air tank) (remove your bolt and drop a ball into the bore from the end, if it rolls through or blows through easily then you need bigger paint).
Make sure your barrel is a bit polished on the interior (mothers polish, brasso, etc...) Coat it with rain-x on the inside of barrel.
If you are useing compressed air your velosity will be lower than if you were useing co2 also. Hope this helps...
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Old 03-21-2012, 05:49 PM   #5 (permalink)
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Thanks four your help!

I use co2, yes balls fall through barrel, i think they are to small.... :-/
But will this be the rootcause for that low velocity?

I will contact MaD for new springs!
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