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What is the ideal paintball calibre?


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#1 Cookybiscuit

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Posted 14 April 2012 - 10:12 PM

This has probably been covered and I've missed it, but...

If paintballs weren't just randomly .68, and the calibre of paint was chosen specifically for its accuracy, range, ability to break and resistance to wind, do we know roughly what this bore would be?

Edited by Cookybiscuit, 14 April 2012 - 10:12 PM.

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#2 Vaellis

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Posted 14 April 2012 - 10:14 PM

Probably a heavier caliber, not sure what it would bore out to.
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#3 mr.satire

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Posted 14 April 2012 - 10:25 PM

there is also ease of carrying and storing, other wise we would have a larger caliber and get 500 rounds in a case. 68 just seems to make sense you get enough paint, to where you can easily carry enough on the field to compensate

for the lack of accuracy with quanity

#4 Bauzer

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Posted 14 April 2012 - 10:50 PM

cooky you know the answer


Edited by Bauzer, 14 April 2012 - 10:51 PM.

let me know if you find any good porn on it, always got room on the thumbdrive :-)


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#5 MMMerc

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Posted 14 April 2012 - 10:51 PM

I'm sure someone figured it out and balanced it.

#6 KCMECustoms

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Posted 14 April 2012 - 11:37 PM

Back in the day Bob Long's teams shot .71 paint to be more accurate.

#7 cockerpunk

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Posted 15 April 2012 - 10:23 AM

unless you can raise the density, i would assume bigger is nearly always better, until it becomes a packaging issue. gun size, loaders, capacity ... ect ..
The ultimate truth in paintball is that the interaction between the gun and the player is far and away the largest factor in accuracy, consistency, and reliability.

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#8 Vaellis

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Posted 15 April 2012 - 01:00 PM

That's true, .68 caliber with a higher density would be better.
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#9 SOUP

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Posted 15 April 2012 - 01:04 PM

.70 Would be great. That way our average .68 barrel is slightly an underbore lol.





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#10 UV Halo

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Posted 15 April 2012 - 02:33 PM

Everything's better with pictures.

Three paintballs are depicted: .683, 3g DXS silver measured and dual chrono tested by Punkworks
.71 Theoretical paintball reportedly shot by Bob Long (assuming same density as the DXS)
.80 Theoretical Big Ball (assuming same density as the DXS)

.683 Paintball
Mass = .0066lbs (46.3gr)
Volume = .1668ci
Density = .0066 / .1668 = .0396
SD = .0066 / .683^2 = .0141
BC = .0057 (measured)
i = .0141 / BC = 2.4737

.710 Paintball
Volume = .1874ci
Mass = .1874ci * .0396 = .0074lbs (51.8gr)
SD = .0074 / .71^2 = .0147
BC = .0147 / 2.4737 = .0059

.80 Theoretical Paintball
Volume = .2681ci
Mass = .2681ci * .0396 = .0106lbs (74.2gr)
SD = .0106 /.8000^2 = .0166
BC = .0166 / 2.4737 = .0067

Drop Vs Distance
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Energy Vs Distance
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3MPH Wind Deflection Vs Distance
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As you can see, bigger is better in terms of range and, deflection resistance however, impact energy is also scaled.

So, Bob Long's paint might have given just a slight edge without being readily detectable by his opponents, while the move to .80 would be noticeable.

#11 Cookybiscuit

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Posted 15 April 2012 - 03:36 PM

Interesting results.

What is this about Bob Long .71 paint? Did he make a larger ball to cheat or something?

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#12 The Crazy Cow

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Posted 15 April 2012 - 03:42 PM

250 cal :dodgy:
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#13 UV Halo

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Posted 15 April 2012 - 04:14 PM

Interesting results.

What is this about Bob Long .71 paint? Did he make a larger ball to cheat or something?


He probably didn't make it but, he may have had someone make it for him. However this is all rumor until someone provides proof that he had it.

#14 brycelarson

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Posted 15 April 2012 - 05:17 PM

The other side of the coin would be efficiency. Obviously it's going to take more energy to get the bigger ball up to speed. So I guess before we can decide what the "best" size is we need to determine what "best" means. If it's less pain, better efficiency then the answer would be different than long range breaking.




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