General dowel size

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BurntWaffle007
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General dowel size

Post by BurntWaffle007 » Mon Sep 29, 2014 1:02 pm

Is there a general dowel for pump rod reinreinforcement/repair?
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soakinader
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Re: General dowel size

Post by soakinader » Thu Oct 02, 2014 5:50 pm

Nope.
Different guns have different pump diameters. Don't ever use a wooden dowel rod, they shrink, they expand, they rot and they break. Use some PVC or aluminum pipe.

Off the top of my head, the size is between 3/8 and 1/2 inch for most pumps.
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HBWW
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Re: General dowel size

Post by HBWW » Thu Oct 02, 2014 6:38 pm

A lot of blasters use roughly 3/8" ID and 1/2" OD plastic rods.
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marauder
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Re: General dowel size

Post by marauder » Thu Oct 02, 2014 8:37 pm

My advice is just to take your pump to a hardware store and get some one to help you find something that will plug it.
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soakinader
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Re: General dowel size

Post by soakinader » Sat Oct 04, 2014 1:15 am

Umm I had a CPS 1000 that was missing the pump, I guess you could walk into a hardware store with THAT and ask for help? :P

What would be nice is a bolt, with two large washers and one smaller diameter washer the same thickness as an o-ring, then you can sandwich the smaller washer and o-ring between the other two. Thread/glue that bolt into a piece of pipe and you're done. In theory.

In practice you start with an o ring, and then from there find a way to secure it on a pipe between two things that won't slide and won't let the o ring come off unless you pull the pump out.
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HBWW
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Re: General dowel size

Post by HBWW » Sat Oct 04, 2014 11:39 am

The thread I wrote on homemade pumps should help, but the CPS 1000 may have a slightly different pump diameter.
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