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spray paint

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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spray paint

Unread postAuthor: koolaidman » Fri Jul 20, 2007 4:58 pm

hey i made my first pneumatic rifle it shoots paintballs and also stuff like grapes, olives and carrots sometimes. Anyways, i tried modding a sprinkler valve, but got frustrated so i just slapped on a temporary ball valve. At 80 psi, the paintballs usually go about 200 ft. today i gave the sprinkler valve another shot. At only 40 psi the paintball breaks and leaves the barrel in the form of spray paint. I was just wondering if this happens to anyone else.
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Unread postAuthor: PVC Arsenal 17 » Fri Jul 20, 2007 5:13 pm

It's happened in some of my guns.

Either get better paint or run at lower pressures.
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Unread postAuthor: MrCrowley » Fri Jul 20, 2007 5:52 pm

Yeah it happens to me at all types of pressures. I tried sanding the end of the barrel so its smooth, I also don't shoot soft paintballs or leave the paintball where the breech is, I push it forward a bit because it could catch on the breech and explode.
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Unread postAuthor: noname » Fri Jul 20, 2007 7:02 pm

Hmmm, I use the cheapest paint possible, which is this crappy clearish runny watery lopsided orange balls, and they don't break unless they;re caught up on something. Freeze 'em! :D
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Unread postAuthor: clide » Fri Jul 20, 2007 11:26 pm

Yeah, I use cheap paint and I've shot them at 160 psi without breaking them.
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Unread postAuthor: MrCrowley » Fri Jul 20, 2007 11:35 pm

Well we've managed to agree on its not the pressure that breaks them, just something they catch on inside the barrel.
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Unread postAuthor: mike1010 » Sat Jul 21, 2007 1:28 am

guess how to get really cheap paintballs. go to your local pb shop and ask if they have any bags with broken paint inside. if so they will give you the whole bag for less than 5 $ thats what i do and it really helps me keep cost down, o and about the post use light and check your barrel for shavings or chips of pipe stuck inside
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Unread postAuthor: rna_duelers » Tue Jul 24, 2007 2:53 am

Lube the barrel :wink: Bit of dish washing liquid did the job for me.
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