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Unread 18-03-2015, 15:44
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JamesCH95 JamesCH95 is offline
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Re: What to use for ballast

Tungsten, being the densest material you can buy on McMaster.

Or, you know, scrap steel that can be had for free from almost anywhere...

We've taken a metallic pneumatic storage cylinder and filled it with all of the scrap metal, chips, bolts, etc that we can cram into it. A neat, safe, adjustable method of adding ballast. And it seals up really nicely with a few 1/4-npt plugs.
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