Corona Rings (was: First Light ..)

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>

So a corona ring is essentially a very tiny toroid,
correct?

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: FutureT@xxxxxxx
>
> In a message dated 1/3/06 6:16:12 PM Eastern
> Standard Time,
> tesla@xxxxxxxxxx writes:
>
>
> >Can someone explain the corona suppression rings
> I've
> >seen on some coils?  Is it a closed or open loop,
> and
> >how is it connected?  Seems like that might have
> >helped...
>
>
> The spark gap may be too wide to fire.  Cleaning the
> gaps,
> and adjusting them a little narrower may let them
> fire again.
> Also the NST may have shorted out partially due to
> carbon
> tracking in the tar.
>
> The corona ring on top of a coil prevents sparks
> from
> emitting from the top turn.  It should be a closed
> loop and
> won't steal noticeable energy from the coil and
> won't heat up.
>
> I often use a smaller toroid right over the top of
> the secondary
> such as in my TT-42 coil.  THe corona ring or small
> toroid is
> electrically connected to the secondary coil and to
> the main toroid.
>
> John
>
>
>