[Shop-talk] Mystery of the blown transformers

Jim Stone jandkstone99 at msn.com
Sun Mar 2 07:20:17 MST 2008


The original ones does say "Warning: Fused secondary.  Do not short."  so
there is a little more than iron and wire in there.  I have thought about
opening it up and seeing if the fuse could be replaced, but have not.  At
least not yet.

> Date: Sun, 2 Mar 2008 00:28:11 -0500
> From: trevor at boicey.com
> To: dmscheidt at gmail.com
> CC: shop-talk at autox.team.net
> Subject: Re: [Shop-talk] Mystery of the blown transformers
>
> David Scheidt wrote:
> > I'm with Randall.  An AC/AC transformer is just a hunk of iron with
> > wire wrapped around it.  No moving parts, not much that can fail.  As
> > long as they don't overheat, and don't get exposed to weather, they
> > should last a century or three.
>
>    Agreed, but who knows what else is in there that won't last 30
> years... some glues or something holding it together, some primitive
> plastic insulators, who knows.
>
>    Something gets old and cracks, humidity gets in, corrosion....
>
>    Iron plus air doesn't last forever...
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