Ball Trajectories and how to fix them - Paintball Forum - Paintball guns and gear forums

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Old April 15th, 2007, 08:19 AM   #1 (permalink)
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Exclamation Ball Trajectories and how to fix them

Okay. I got my marker about 2 weeks ago (a Tippman 98 custom) and I'm having a blast using it. But I've noticed that about 30 to 40 feet out of the barrel, balls begin to behave erratically. Some do loop-de-loops, others simply veer off course. I recently installed a 14 inch barrel on mine, but aside from what appears to be greater ball velocity, the paint's trajectory is still warped. Is this because the velocity is too great, or are they not going fast enough.
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Old April 15th, 2007, 12:33 PM   #2 (permalink)
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all i know for sure is, that with a round projectile like a paintball, it's not going to maintain it's trajectory as a traditional bullet would. this is due to the fact that the ball deforms as it spins and as it bleeds off velocity, the deformation becomes an imbalance and pulls the ball off course. Even if you found a perfectly round ball, it would still veer off course after a certain amount of distance.

I have heard that the flatline barrel is pretty good for counteracting this but i don't know much about it as i own a spyder. Paint quality also plays a huge roll in this. if you're using the walmart brand, switch to RPS or something else. You can ask your local shop if they have any suggestions as to what works best, though if they are a dealer of any kind, they probably will only have one brand.
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Old April 15th, 2007, 12:44 PM   #3 (permalink)
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See, I understand the principles that the ball won't fly perfectly straight and whatnot, but the paint doesn't simply curve gradually, or behave subtly. It leaves the barrel in a straight path, and and begins to zig and zag wildly off course. Obviously, a paintball gun isn't a precision instrument, but my friend has a Tippmann as well, and his seems normal. I just noticed something however, while tinkering with the ball velocity. Every few shots or so, a white-ish substance comes out of the barrel, along with the C02 gas. Is this normal?

Edit: I'm using Anarchy paint, but it did it with this and Demon paint as well, so I don't think it's the paint.

Thanks for the help though. I'll look into finding a Flatline and see if that helps.
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Old April 15th, 2007, 02:29 PM   #4 (permalink)
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Its probably the paint, check for dimples or deformation, and clean your barrel and gun while you're at it.
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Old April 15th, 2007, 07:00 PM   #5 (permalink)
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the white stuff is referred to as "snow" it's frozen CO2. it's more prevelant in colder temps and is normal in CO2 powered markers. see the Air Systems forum for more details.
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Old April 24th, 2007, 04:06 PM   #6 (permalink)
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a flatline barrel is going to be very picky on what paint works and what paint doesnt, it can even change depending on the weather and elevation. i had the same problems with a batch of paint where one broke in the bag and with oiled paint.
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