Re: C170 Copper - Beryllium Copper Alloy

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: robert heidlebaugh <rheidlebaugh@xxxxxxxxxxxxxx>

Cameron. Beryllium is toxic to human tissue in all forms, Only the crystal
oxide is stable enough to be in contact with skin with out causing a
cancerous ulcer. in the lungs it is fatal. I recommend not using it and never
grind it with out protection. Use a protective mark.
   Robert   H
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> From: "Tesla list" <tesla@xxxxxxxxxx>
> Date: Sat, 01 Oct 2005 07:30:14 -0600
> To: tesla@xxxxxxxxxx
> Subject: C170 Copper - Beryllium Copper Alloy
> Resent-From: tesla@xxxxxxxxxx
> Resent-Date: Sat,  1 Oct 2005 07:30:17 -0600 (MDT)
>
> Original poster: "Cameron B. Prince" <cplists@xxxxxxxxxx>
>
> Hey guys,
>
> As some of you will recall, I built my large coil's primary from bronze
> weather-stripping based on Terry Blake's design. I'm noticing the issues
> that several list members warned me about. The extra resistance of the
> bronze is causing it to get rather hot. This is in turn causing the foam
> tape used as a winding spacer to melt, not to mention the energy being lost
> to it.
>
> I ordered some copper ribbon to replace the bronze but when I received it, I
> noticed it had a gold color similar to the bronze I already had. I called
> the seller and asked about it and he told me that it was actually an alloy
> known as C170 copper which is a Beryllium Copper Alloy. He offered to allow
> me to return it if needed.
>
> What do you think about this alloy? Anyone using it? Should I return it and
> look for 100% copper?
>
> Thanks,
> Cameron
>
>