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RE: How (does) voltage rise(s?).

Original poster: "David Trimmell" <humanb@xxxxxxxxxxxxxxxxxxx>

Hi, John that's a good question! I have used relatively 'loose' coupling of
.15-.2 are folks using greater than this? I have only been able to get 33"
sparks with a 6" coil and a half-bridge. I use long on times and long off
time compared to others that have posted their results. Due to noise issues
I have tried to simulate a VTTC as they really can be silent, but still my
SSTC can sound like staccato gun fire! I won't be working on it till after I
get back from Panama, but will try higher coupling and a full-bridge!

Regards,

David Trimmell

-----Original Message-----
From: Tesla list [mailto:tesla@xxxxxxxxxx]
Sent: Monday, January 17, 2005 10:51 AM
To: tesla@xxxxxxxxxx
Subject: Re: How (does) voltage rise(s?).

Original poster: FutureT@xxxxxxx

In a message dated 1/17/05 10:54:12 AM Eastern Standard Time,
tesla@xxxxxxxxxx writes:


>The relation between coupling and racing sparks doesn't seem
>to hold for any kind of SSTCs I have seen, so we use tighter couplings on
>these.


Steve,

What's the actual coupling coefficient figure used on DRSSC's
these days?  I've been hearing a lot about the tight couplings used,
but I don't think I remember seeing an actual number.

Thanks,
John