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Re: Stacking Variacs - shaft material
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To: tesla@pupman.com
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Subject: Re: Stacking Variacs - shaft material
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From: Bunnykiller <bigfoo39@idt.net> (by way of Terry Fritz <twftesla@uswest.net>)
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Date: Wed, 09 Feb 2000 07:12:03 -0700
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Approved: twftesla@uswest.net
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Delivered-To: fixup-tesla@pupman.com@fixme
Tesla List wrote:
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> Original Poster: Eric Leighton <ELeighton@portdiscovery.org>
>
> I want to stack the two 10A variacs I have, and want to know what material
> the shared shaft has to be. The original shaft is 3/8" aluminum, and I have
> some 3/8" stainless tubing that I think will work, as long as it doesn't
> have to be aluminum. I figured that plain old (magnetic) steel might not be
> so good for a shaft that goes through the core, no?
>
> I'll ask about the choke I'll need for ganging these later, after I've
> reviewed what I found in the archives.
>
> Eric Forsman
> Baltimore
Hi Eric ...
stainless shaft is ok if you are worried about magnetic effects 316SS
is nonmagnetic ( actually really low magnetic) see if a magnet sticks
to your shaft if it does most hardwares and home depots carry
aluminum shaft material...
Scot D