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Re: Gets all "wimpy" seeks help still
Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>
Tesla list wrote:
> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
><jim-at-jlproduction-dot-com>
 
> Oddly enough it IS inside the coil form.
	This was much discussed on the list in the past.
> A few inches on either end anyway.
	My understanding (and expectation) would be to
	work on the top.  That's the 'HV' end, hence
	corona, hence losses and leakage.
> I wonder if a vent of some sort would help this
	It might.  I've pondered the desirability of a
	small fan (at the grounded end) blowing up
	end out, thru holes.  I suspect it might be
	better to rebuild with the connection outside.
	(At the typical secondary voltages, the commonly
	used wire is surrounded by huge corona, if
	invisible.  I've wondered if a top terminal mounted
	by a pipe, as large as possible, would be an
	improvement.  When the pros move A Mega Volt or
	so, its done on bundled conductors, 6-8" or
	better...  I Once saw a Serious RADAR telescope
	PSU (we are talking a One Room Size PSU, and a big room:
	HV bus was conduit.  not IN conduit: it WAS conduit:
	to minimize corona losses...))
> (if it is indeed my issue).
	Indeed, it might not be...
> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com] 
> Sent: Friday, April 05, 2002 5:47 PM
> To: tesla-at-pupman-dot-com
> Subject: Re: Gets all "wimpy" seeks help still
 
> Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <davep-at-quik-dot-com>
>>A change after running for a few seconds sounds like some sort of
>> thermal effect.  I noticed that a gentle breeze from a
>> "muffin" fan on a staticspark gap is all it took to greatly
>>improve performance.
>     Pardon if this has been mentioned, puter problems this end:
>      How is the topload (if any) wired to the top of the secondary?
 
>     Specifically, it is widely reported that if the wire
>	runs inside the coiled form accumulation of weakly
>	ionized gas inside can lead to high 'corona (like?)'
>	losses.
>     I have seen this exact effect: as the ionized gas
>	builds up, leakage goes
>     down the core, either as discharges/sparks or as
>	ongoing leakage....
>     best
>      dwp