TSSP: List Archives

From: "Barton B. Anderson"
Date: Sun, 19 May 2002 00:13:57 +0000
Subject: Re: [TSSP] Racing arcs

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Hi All,

Paul, I rescoped the coupled modes. I found the modes by inserting the
signal between ground and system with the gap shorted (everything
connected). I think last time I input the signal across the cap which
obviously was not right. These came up right away:

Calc:    Meas:
59.9     59.1
72.4     71.4
235.4    237
367.1    356

John wrote:

> Bart, do you have any sort of corona
> ring type object directly above the secondary winding which
> could be promoting the full length racing sparks?

No.

> I may be interesting if Bart detunes his primary to a higher
> frequency to see if he gets the racing sparks only at the
> bottom and/or top.  I don't think he did that test?

Yes, I agree.

Quick update:
Tonight was beginning to start the tuning process, however, my parents
came by (unannounced) and decided they would stay over until tomorrow.
So it goes a little hindered. However, before tuning, I decided to
measure the primary from turn 1 all the way out in increments of 0.5 and
take inductance readings at each point. I will post this data later.
Anyway, I'll make better progress tomorrow after my folks go home.

Take care,
Bart

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Hi All,
Paul, I rescoped the coupled modes. I found the modes by inserting the
signal between ground and system with the gap shorted (everything connected).
I think last time I input the signal across the cap which obviously was
not right. These came up right away:
Calc:    Meas:

59.9     59.1

72.4     71.4

235.4    237

367.1    356
John wrote:
Bart,
do you have any sort of corona

ring type object directly
above the secondary winding which

could be promoting the full
length racing sparks?
No.
I may
be interesting if Bart detunes his primary to a higher

frequency to see if he gets
the racing sparks only at the

bottom and/or top. 
I don't think he did that test?
Yes, I agree.
Quick update:

Tonight was beginning to start the tuning process, however, my parents
came by (unannounced) and decided they would stay over until tomorrow.
So it goes a little hindered. However, before tuning, I decided to measure
the primary from turn 1 all the way out in increments of 0.5 and take inductance
readings at each point. I will post this data later. Anyway, I'll make
better progress tomorrow after my folks go home.
Take care,

Bart

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Maintainer Paul Nicholson, paul@abelian.demon.co.uk.