Re: SMALL SPARKS: PLENTY OF POWER- NO TIME

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>

Tesla list wrote:

> Original poster: tesla popp <teslas_lab@xxxxxxxxx>
> I would usually troubly shoot this sort of problem
> myself, but I am almost OUT OF TIME!  I have a show to
> do in 5 days!
> One of my coils has a BIG problem, It's drawing
> 20amps, and making 3.5 foot sparks.  This is VERY BAD.
>  I have no idea why it is acting up, but I belive it
> might be due to bad coupeling?!  {note: the winding
> starts 1" above the bottom winding of the HELICAL
> primary}
> Operation of the coil is VERY STEADY, and is NOT
> erratic at all.  I am pretty shure I have my SRSG set
> where it should be.
> [Note: please trust the specs I am providing]
> -The tranny is a 15/120NST "Draws more with my L.T.R.
> MMC"
> -A 120BPS sallent pole syncronious rotery gap
> -Secondary coil 6.25" x 40" 20awg, 1250 turns
> -helical primary 12.5" wide, tapped at 6 turns "no
> room for a flat spiral primary."
> -MMC is .05uF
> note- USE THE PICTURE LINK I HAVE PROVIDED TO SEE WHAT
> I AM WORKING WITH.  Any ideas will greatly help!
> http://www.amasingscience.com/teslacoils/images/TWIN_FULL.jpg
> http://www.amasingscience.com/teslacoils/images/TWINBIG_PRI.jpg
> http://www.amasingscience.com/teslacoils/images/TWIN_MMC.jpg

Is the system in tune? I don't see any means to tune the
primary coil resonance. It is possible to calculate everything
precisely and don't have to tune anything, but if you tried
this, why the tap in the primary coil? A tap has no function
if it is not adjustable. Check the ground too.

Antonio Carlos M. de Queiroz