Quote:
Originally Posted by ScooterVauto
so are you ready for this,
Took the stock hopup, with the dboys barrel and the green hopup rubber,
HELD it to the Front on the assembled bottom half and
it shoots 350???
put it in the upper and put them together 216??
Itslike the upper hopup assembly is not sealing against the lower bb chase thus a seal leak..
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A few theories..Obviously you would have to trial and error to see if any are accurate but when I was reading I had a few come to me. Hopefully at least one of them puts you on the path to a proper solution.
Please keep in mind what Styrak mentioned.."Swap one part at a time or you'll never figure it out "
1-Experience has shown me that G&Gs green hopup buckings are problematic and I've had to change 1in3. More commonly I found they just had an assembly issue and a new one would work, with a small amount of lube.
Quote:
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Originally Posted by ScooterVauto
well i put a nub inside the coils of the spring and the FPS jumped upto 324.
Defninatley the right track.
Now where in the heck am i going to get a strong spring, Longer isnt needed and this
one i am sure is from a pen hahaha
I have 1 idea left, I have some foam rubber that is adhesive on 1 side, I'll cut a luutle cube and stick it to the point where the spring meets the body.
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2-This reminded me of a method I use for increasing output of pellet guns, but if the very creative "Spring hopup nub mod" has solved that problem there's no need for it.
If you have 2 springs of similar size, you can twist or coil them together, this will effectively increase the strength of the spring and will not change the size if done correctly.
3-The barrel needs to be replaced, as it is very worn. I had a theory it might be early on, then noticed you had already found it.
I don't think there was a problem with the seals of the cylinder and shaft, or the piston head, because it would have been a constant problem, it most likely seems like a problem outside of the mechbox.
By the pics, your machinest is pretty accurate. Is he available to the public? I could use a good metalworker hand.