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OOPS... used the wrong solvent cement....

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OOPS... used the wrong solvent cement....

Unread postAuthor: jramiam » Fri Feb 16, 2007 2:56 pm

I just built my first pneumatic cannon out of ABS and realized i used a heavy duty PVC solvent. Should i scrap the whole thing or trust it will hold?

Note, i have tried it out a few times. i took it to 85 psi. no leaks. seems to be ok. But from a safety standpoint?

thanks
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Last edited by jramiam on Fri Feb 16, 2007 3:06 pm, edited 1 time in total.

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Unread postAuthor: paaiyan » Fri Feb 16, 2007 2:59 pm

Oohh. I don't know about that one. Does't look like there's too many people on right now so you might want to PM someone like BC pneumatics and he could answer that for you. I dont have any experience with ABS but I would think it may not hold too well. Don't hold me to that though.
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Unread postAuthor: schmanman » Fri Feb 16, 2007 3:10 pm

well, abs is not good for pneumatics in the first place.

with the wrong solvent, I wouldn't trust it.
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Unread postAuthor: MrCrowley » Fri Feb 16, 2007 3:47 pm

Scrap it for the two reasons:

1:You use ABS on a pneumaitc
2:You used the wrong glue.

Never Use ABS on a pneumatic.Combustions are fine.
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Unread postAuthor: Kenny_McCormic » Fri Feb 16, 2007 4:35 pm

unless its pressure rated
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Unread postAuthor: A-98 » Fri Feb 16, 2007 4:42 pm

ABS isn't pressure rated by definition
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Unread postAuthor: drac » Fri Feb 16, 2007 5:17 pm

A-98 wrote:ABS isn't pressure rated by definition


Actually, there are rare ABS variants that are pressure rated, but
1) they're expensive
2) very hard to find
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Unread postAuthor: MrCrowley » Fri Feb 16, 2007 5:26 pm

He Lives! :P


Anywho even if it is rated he still used PVC cement for it.
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Unread postAuthor: PVC Arsenal 17 » Fri Feb 16, 2007 5:49 pm

I sense a heated ABS vs PVC argument approaching...
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Unread postAuthor: A-98 » Fri Feb 16, 2007 5:53 pm

indeed....

I hope I dont get involved tho
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Unread postAuthor: LGM » Fri Feb 16, 2007 6:16 pm

Well, I'll start it off.
PVC has the advantage of being presure rated, and fairly strong.
ABS is more shock resistant, and can be safely used in combustions. I would use it in a lower pressure pneumatic (below 90 psi) because should it rupture, it will only rip down the side, not shatter like PVC.
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Unread postAuthor: BC Pneumatics » Fri Feb 16, 2007 6:37 pm

No, there is no argument. A-98 is wrong, end of story, no need to argue.

And- the cannon is worthless as is. Scrap it.
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Unread postAuthor: frankrede » Fri Feb 16, 2007 6:43 pm

Lol, that sounds like my first pneumatic.
It help up to 90 pis with no fail, until my ghetto schrader blew out:(
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