[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: plastic homebrew caps

Original poster: "David Dean by way of Terry Fritz <twftesla-at-uswest-dot-net>" <deano-at-corridor-dot-net>


The PETE would be as lossy as the glass, and would tend to puncture.
The HDPE or PP would be fine, but since the dielectric constant is
about 2 instead of somewhere around 8 for glass, you will need a lot
more similarly sized bottles to get the same capacity you would get
with glass.



> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Monday, May 14, 2001 6:00 PM
> To: tesla-at-pupman-dot-com
> Subject: plastic homebrew caps
> 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, thinks I, why not use PETE, HDPE, or PP bottles instead of
> glass?  any
> input?
> ben z
> (who will willfully ignore any 'just buy an MMC already' replies from the
> Geeks :)
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn-dot-com