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Re: plastic homebrew caps



Original poster: "J. B. Weazle McCreath by way of Terry Fritz <twftesla-at-uswest-dot-net>" <weazle-at-hurontel.on.ca>


At 04:59 PM 14/05/01 -0600, you wrote:
>Original poster: "Ben Ziegler by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<crossguy-at-hotmail-dot-com>
>
>Hi all,
>
>In reading about MMC's, I think I recall that they use polypropelyne 
>dielectrics?
>
>For my coil, I was thinking about a homebrew cap.  Glass bottles are
>lossy, so why not use PETE, HDPE, or PP bottles instead of glass?
>
>ben z
>

Hi Ben,

In my pre-MMC days I used 1 litre HDPE cider jugs that I got from a
local orchard operator new for 50 cents each.  If I remember right,
the capacity of six in parallel was .01 uF. or 10 nF.  I never had
any punctures with 10 KV from a bank of OBITs as the supply.


73, Weazle, VE3EAR/VE3WZL

Listening: 147.030+ and 442.075+
E-mail:    weazle-at-hurontel.on.ca
           or ve3ear-at-rac.ca
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