Stacking Variacs - shaft material

• To: tesla-at-pupman-dot-com
• Subject: Stacking Variacs - shaft material
• From: Eric Leighton <ELeighton-at-portdiscovery-dot-org> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Tue, 08 Feb 2000 11:45:42 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

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

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