I have done this and used an impact driver to turn the expander. It gets
very hard to turn by hand. Be careful that you don't overdo it.
73
Gary K4FMX
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
> Richard (Rick) Karlquist
> Sent: Wednesday, July 17, 2019 5:11 PM
> To: Ken K6MR; Kim; towertalk@contesting.com
> Subject: Re: [TowerTalk] correcting aluminum tube
>
>
>
> On 7/17/2019 12:12 PM, Ken K6MR wrote:
> > If it's a reasonable size (around 2" or 3" or so) go to Harbor
> Freight and get an "exhaust pipe expander". Put in the bad end,
> tighten, and it will make the end round again.
> >
> >
> >
> > Ken K6MR
> >
>
> Has anyone verified that this actually works?
> I tried to use an HF exhaust expander on 0.050" wall
> Al irrigation pipe and the screw became very hard to
> turn yet nothing happened to the pipe. Did I do
> something wrong? Seems like it should have worked.
>
> Rick N6RK
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