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Re: [TowerTalk] Increasing Tubing Size

To: Wilson Lamb <infomet@embarqmail.com>
Subject: Re: [TowerTalk] Increasing Tubing Size
From: Richard Karlquist <richard@karlquist.com>
Date: Wed, 31 Aug 2022 09:52:05 -0700
List-post: <mailto:towertalk@contesting.com>
I bought a Harbor Freight expander to use on aluminum irrigation pipe
with 0.065 wall to "swage" it.  I think it was advertised for use with
steel muffler pipe. 

I tightened the screw as much as I could and it didn't budge. 

What did I do wrong?

---
Rick Karlquist
N6RK 

On 2022-08-31 09:11, Wilson Lamb via TowerTalk wrote:

> There are several types of expanders on Amazon. 
> One set (three ranges) goes to 1", expanding mandrels. 
> Perhaps searching would find a source for single sizes. 
> If you have a few tools, one could be made by splitting a pipe and expanding 
> it with two tapered plugs and a bolt. 
> WL
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