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  • From: Gene GeRue <genegerue AT ruralize.com>
  • To: homestead AT lists.ibiblio.org
  • Subject: Re: [Homestead] for you inventor types
  • Date: Wed, 17 Dec 2008 16:49:06 -0700


On Dec 17, 2008, at 4:41 PM, sjc wrote:

I want something that will shrink against the pipe/seam and make an
airtight seal.

Sounds good, but that might make it almost impossible to later take the pipes apart as the inevitable day arrives when they need to be replaced. Unless you have some expensive ones that don't rust.

I am far from a metallurgist but it seems to me that metal expands when it heats. What you desire may be alchemy. Do you own a pointy hat?

Anyone price the double- or triple-walled pipes recently?

My foggy upstairs is thinking that five or seven small self-tapping screws spaced around the joint would keep it pretty tight.





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