Barrel choice, [HELP]

[WildWill]

Ses - Physics. If the ball has to squeeze down the barrel there will be no air leaking from one side causing it to spin and also a more consistent shot.
Scale up overboring - chuck a tennis ball down a drain pipe and watch it bounce about the place, it's not gonna come out straight. Scale it back down, the difference may be just a mm at the barrel but across the field that's several inches = the difference between an elimination and potentially the tournament just cos you overbored instead of underboring.
Ahhhh. Instead of just disagreeing, how about you explain the physics behind why overboring is better?

 

[ses_paintball]

Will, perfect paint to bore match is the most inconsistent and make NO difference to accuracy, I'm not pulling this info out my a**, just spend a while in Punkworks on techpb and you find a lot of things can affect accuracy and the barrel isn't one. And if you read my post i didn't mention underboring did I? . Yes underboring makes minute difference.. not enough to care mind you. Underboring is better than Over... i never said it wasn't.

 

[WildWill]

Im a fan of underboring, that's what my post was about. I had assumed you didn't rate underboring by your statement "Paint to bore match has almost no effect on accuracy". I vaguely remember a punkworks experiment that showed that underboring was slightly more accurate, but not massively - when it comes to accuracy the minutest of differences are what it comes down to, because at the end of the day almost any barrel can get a shot within a 1 foot target (at a suitable distance). It's the tiny differences that make the difference between accuracy and inaccuracy.
Now I agree with you that paint quality and many other things are factors, I was specifically referring to paint/barrel match.

 

[renie]

Not to be a party pooper but barrels don't affect accuracy.

so your telling me if i got a ball of 685 size and put it through 2 barrels one size and one say 695 there be no difference in accuracy??? if that was the case they wouldnt make different size barrels lol

get yourself a unitec kit there the nuts

 

[PaintballWizard]

Little confused on that post..... Remove grammar errors and try again ?

the things that affect accuracy (or consitency if you want to be picky):

the 'roundness of paint'
bore size (and that of the ball)
quality of finish inside the barrel
length of the barrel

there may be others but these are the main ones I can think of in terms of barrels, not the gat.

End thread jack.

(and united kits are the nuts. Not great finish but the bore sizing makes up for it. Plus you can have pretty much whatever colour you want)

 

[ses_paintball]

This is the info i was looking for, its from someone call Bryce larson who has done a lot of tests to confrim this...



I'm ass-tired but home. my whole body hurts. 90 degrees is no good on this Norwegian-Scottish-Irish guy. I played my ass off all weekend.

we have seen accuracy problems when underboring to extreme levels (.007 or more). Rnt has a bunch of tests showing slight accuracy improvements shooting overbored barrels - most are not statistically significant. Some were.

PunkWorks has never seen statistically significant accuracy changes based on bore, length, barrel design or porting.

The jury is still a bit out on the whole thing.

I would tend to agree with dave - unless we can find a really significant increase in accuracy then it's not really something that's going to change the game.