Re: Rolled PE Caps (fwd)

• To: tesla-at-pupman-dot-com
• Subject: Re: Rolled PE Caps (fwd)
• From: Tesla List <mod1-at-pupman-dot-com>
• Date: Thu, 15 Apr 1999 21:01:54 -0600 (MDT)
• Approved: mod1-at-pupman-dot-com

---------- Forwarded message ----------
Date: Wed, 14 Apr 1999 23:36:11 -0500
From: Bert Hickman <bert.hickman-at-aquila-dot-com>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Rolled PE Caps

Tesla List wrote:
> 
> Original Poster: "Dr. Resonance" <Dr.Resonance-at-next-wave-dot-net>
> 
> to: Kevin
> 
> The pros such as Maxwell use a large hand-held soldering iron to solder them
> on --- I watched them do it during a factory tour once in 1984.
> 
> Regards,
> 
> Dr.Resonance-at-next-wave-dot-net
> 
<SNIP>

... and they typically use a low-temperature tin-zinc eutectic alloy
(91% tin, 9% zinc), soldering it UNDERNEATH the oil. This alloy wets the
aluminum readily, flows easily, and being a eutectic, goes from a liquid
to a solid without the "mushy" phase that can give you a cold solder
joint. Other mixes include alloys of tin, lead, bismuth, and cadmium,
and I have heard that even pure tin will work satisfactorily.

-- Bert --

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