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Old 09-12-2021, 06:12 AM #1
android17ak47
No!!!!!
 
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Join Date: Jun 2006
Location: Monroe, Ga.
 has been a member for 10 years
Tippman 98 w/flat line issues

Recently I put together the same setup I used back in 2002 which includes a flat line barrel. Yesterday I finally got a flatline barrel as a payment for fixing his LV1, and here's my issues.

Firstly, I cannot get the velocity about about 210fps with our field paint, the same field paint that cronos around 270fps with the stock 8 inch barrel. Im guessing the curved barrel is causing the paint to slow down as it travels through the curve, but the velocity adjuster just wont let me go above 210 with the same paint. IDK how old the valve is, but does anyone think it might be worth my while to rebuild it? And if so, is there rebuild kits for the "tippman 98" valves anymore? Im talking about just the '98, not the carbine or custom.

Secondly, I am getting barrel breaks with this flatline barrel even tho the paint bore size is smaller than the barrel itself and the paint I was using has quite a hard shell, so I am not sure why it is having a hard time getting through the FL w/o breaking. I will note that the barrel is so old that there is almost no anno left in it. Could it be the lack of anno is too rough on the paint, like its not smooth enough?
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Old 09-16-2021, 01:16 PM #2
android17ak47
No!!!!!
 
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One other question guys. My coworker told me that the inside of the tippman 98 flatline barrel is suppose to have a greyish color and rough on the insides to help with the backspin of the paintball. I was having quite a few paintballs breaking in the barrel(paint is smaller than flatline bore size)including some of our field paint that have quite hard shells, yet the barrel is still causing many of them to break. Is the barrel suppose to look like that on the insides because I thought maybe it was just anno having been worn off, but he said they arent anno'd on the insides like the other barrels. Is this normal?
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Old 12-02-2021, 10:32 PM #3
AR15 guy
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Location: Barboursville, WV
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Yes, the inside of the flatline is rough so it catches the ball and puts a spin on it. Flatlines are really hard on paint.
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