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Re: LDPE Caps for 15kv Pulse
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To: tesla-at-grendel.objinc-dot-com
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Subject: Re: LDPE Caps for 15kv Pulse
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From: Marcus Young <marcusy-at-ozemail-dot-com.au>
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Date: Mon, 09 Oct 1995 01:45:46 -0500
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Thanks Richard,
It was good to hear, as Ide allready payed for the stuff! I was pretty sure
it could take 15kV, (or I would'nt have
paid for it) but just wondered if I could use that 40V 'push' in the varaiac
safley.
Its pretty amazing how dielectrics respond at different frequencies. HDPE
has at least has a 150kv per mm puncture voltage according to the avaliable
data from the manufacturer. I bet you could throw that one the window
too........ with a tesla coil! :) I think these dielectric strengths are
based on a DC breakdown too!
I know that the voltge at least doubles in a tesla circuit, but what are the
nastiest voltage spikes experienced
by coilers? Has any one been able measure these, like when a circuit is out
of tune or a rotor isnt up to speed
yet?
>> Anybody know if 120mills ( 3mm ) of low-density polyethelene
>> will be sufficient dielectric thickness for a 15kv system?
>
>Should work just fine if the material is dye-free virgin plastic
>(no recycled content) that is free from defects in the material
>and everything is very clean during the construction.
Yes, the stuff looks very nice and shiny. Foggy, but 'semi-transparent' ( If
you know what I mean)
Like home brewed beer :)
Marcus