Re: topload (weight critical) for multi coil setup

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

Just the info I was looking for.  True enough, the small gazing ball I ran
into was like a small cannon ball... not solid, but must have been 1/2"
thick cast iron or something (much like a tee marker on a golf course)...


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, December 07, 2001 7:27 PM
Subject: Re: topload (weight critical) for multi coil setup


> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
>
> Hi Jim,
>
> Perhaps you have already handled glazing balls and the small ones are
> heavy.  However, the big ones like below are only a few pounds.
>
> http://hot-streamer-dot-com/temp/2001-04/Orb.jpg
>
> It is thin but high strength stainless steel.  You might check for
quantity
> discounts.  I got mine from:
>
> http://www.waterscapesweb-dot-com/orbs.html
>
> 8" ones or only $20.  You could call and ask how heavy they are.
>
> Cheers,
>
> Terry
>
>
> At 12:08 PM 12/7/2001 -0800, you wrote:
> >I'm working on an idea for a multiple coil setup, and I'm looking for
> >inexpensive good looking toploads (spherical ok) that are reasonably
light
> >weight.  The coil(s) are 3" diameter secondaries. The "gazing balls" are
a
> >possibility, but somewhat heavy.  I need a dozen of them, and I'd like
the
> >total assembly weight to be reasonable (i.e. not 500 pounds)...
> >
> >A target price of $10-20 each would also be nice (i.e. I don't want to
spend
> >$100 each, when I've got to buy 12 of them...)
> >
> >Science First has 7 inch spun spheroids for $25, 14 inchers for $89.. I
> >think I should be able to do better.... Something that can be polished to
> >shine would be nice too...
> >
> >7" seems a bit small for a 3" secondary, as well...
> >
> >I suppose toroids, if inexpensive enough, would also work...
> >
> >
> >Ideas?
> >
>
>