Re: Stacking Variacs - shaft material

• To: tesla-at-pupman-dot-com
• Subject: Re: Stacking Variacs - shaft material
• From: Bunnykiller <bigfoo39-at-idt-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 09 Feb 2000 07:12:03 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Tesla List wrote:
> 
> Original Poster: Eric Leighton <ELeighton-at-portdiscovery-dot-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

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