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#1
10-04-2015, 10:36 PM
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Re: Great Dane excavating co.
    They are the three sizes of tube I used. And in the one pic I have a scribe pointing to the holes in tubes that allow oil to enter into on the downward stroke and oil to exit on the upward stroke. The smaller piston has two orings but doesn't need two. When I made it first I was using it as a guide. Well a mess up really  . I just soldered bigger solid caps onto tubs, then machined the hole and inner oring grove. That way I never had to worry about messing up inner parts of tubes. Polished them before soldering/ and again after. I want to make them out of steel or stainless for project on dumper. Just don't know how easy that will be for me to work. I'm usually just brass and aluminum.
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#2
10-05-2015, 09:21 AM
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Re: Great Dane excavating co.
Cooper you can buy telescoping tubing I got some at Cabin Fever. It can be had in steel or stainless. Hobby Metal Kits is the place and it is thin wall. www.hobbymetalkits.com 608-345-2617 Bernie is great to deal with. I got steel in 1/16 graduations for 6 stages. Happy building. Ed
Last edited by JAMMER; 10-05-2015 at 09:23 AM.
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#3
10-05-2015, 12:21 PM
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Re: Great Dane excavating co.
304 stainless
 
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