I have been experimenting with home rolled Caps and would like some
help with values please?Using food saver tubes as the dielectric,
dielectric is 36" X 8", foil inserted in the food saver tubes is 32" X
6", uf measures 14uf as rolled. What would be the voltage rating? So
far I have used one in a small TC [7.5k NST] and have not destroyed
it! All-tho it buzzes loudly.Doug J.
-----------------------------------------From: "jimlux"
To: tesla@xxxxxxxxxx
Cc:
Sent: Friday October 19 2018 11:17:01AM
Subject: Re: [TCML] Brush copper plating onto polystyrene
On 10/19/18 8:59 AM, Matthew Sweeney wrote:
> Good info, although I'd still like to find someone who has done
similar
> work with one of those inflatable exercise balls.. that would be an
awesome
> VDG terminal :)
It's out there in the archives.. Except it was a kid's bouncy toy,
the
name of which I cannot remember, they have a loop sticking out of the
top that you hang on with.
When I worked at the effects shop, we made some large "pendulum bobs"
for a sort of "giant executive toy"
(https://www.amazon.com/JoyTech-Newtons-Collision-Decompression-Psychology/dp/B07921155N)
/>
using those things, somewhat overinflated, covered with fiberglass,
then
spray painted aluminum. They weren't heavy enough without the
fiberglass
to swing like we wanted, but for an electrode, maybe ok.
A hole will cause it to deflate.
You might be able to figure out a way to inflate and deflate it, but
for
a VDG, you need the hole for the belt, so using it as a form upon
which
to make something rigid.
If you want a plastic hemisphere, a good way is to build a box with a
plywood top and a circular hole. You lay a sheet of plastic on top,
heat it with radiant heat, then use a vacuum cleaner to pull a vacuum
under it, and it will form a nice hemisphere. Let it cool, repeat it,
saw the flange off and join it.
But a spherical buoy might be a cheaper way to go..
Kwiktek B-20R from amazon is
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