Re: Capacitor Help

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>

My shopvac gap works great at even moderate pig power,
and only took minutes to build:

http://www.hot-streamer.com/adam/shopvac_gap.jpg

I've run it for extended runs at up to 5 kVA, and it
never had any problems. It outperformed all other
static gaps I've built.

Adam

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

> Original poster: "James Zimmerschied"
> <zimtesla@xxxxxxx>
>
> Malcomb,
> I suggest you try a multiple main gap. Five or six
> copper cylinder
> gaps in a line with a total gap spacing less than
> 1/4". Use your fan
> to help quench.
>
> The only two pole gap that I used on a system your
> size that worked
> well was a sucker gap - see Gary Lau's web site. I
> am now using a six
> gap design using washers stacked up with rubber
> spacers. This gap was
> designed by Bob Svangren and currently gives me
> 30-32" streamers with
> a 12 kV x 30 mA NST. This may be too much of a
> project for you right
> now but Terry posted some photos
> (<http://hot-streamer.com/temp/z-1>http://hot-streamer.com/temp/z-1
> thru z-4.jpg) if you are interested.
>
> Another fine point, it looks like you are taking the
> top wind of the
> secondary inside the tube then up to the toroid. If
> that is the case
> you may get a burn down the tube like I reported in
> a previous post.
> If you have baffles this would help in your current
> configuration. I
> have found it best to wind the last few turns in
> increasing spacing
> until it gets above the top of the tube then air
> line it to the
> bottom of the toroid center disc. There are a lot of
> ways people do
> this, however so there is no only way. My experience
> has been to keep
> the hot wire out of the tube to avoid carbon arcs
> inside it.
>
> Jim Zimmerschied
> ----- Original Message -----
> From: Tesla list
> To: tesla@xxxxxxxxxx
> Sent: Monday, December 19, 2005 12:04 AM
> Subject: Fw: Capacitor Help
>
> Original poster: "MalcolmTesla"
> <tesla@xxxxxxxxxxxxx>
>
> I forgot to includes these two links with the
> message below... because
> sometimes a picture is worth a thousand words.
>
> http://www.v8-ranger.com/temp/tesla/28.jpg
> http://www.v8-ranger.com/temp/tesla/29.jpg
>
> Thanks
>
> ----- Original Message -----
> From: "MalcolmTesla" <tesla@xxxxxxxxxxxxx>
> To: "Tesla list" <tesla@xxxxxxxxxx>
> Sent: Monday, December 19, 2005 12:07 AM
> Subject: Re: Capacitor Help
>
>
>   > Well I finished the tesla coil tonight.
> Something's not right.  If I put
>   > the tap on coil 10 of the primary I get no
> output.  I then moved it in a
>   > little with no change.  I then moved it out and
> when I got to turn 14 ~ 15
> I
>   > got some output but the safety gap also started
> firing like crazy.  Man
> that
>   > safety gap is loud.  Well actually so is the
> regular spark gap now that
> the
>   > capacitors are hooked up.  Anyhow the output
> from the toroid was only
> about
>   > 5" max from the center steel pole in my garage
> which I used as RF ground.
>   >
>   > My NST chassis, center terminal on the safety
> gap, strike ring, and
>   > secondary ground all went to the RF ground.
>   >
>   > What should I do from here?
>   >
>   > Thanks
>   > Malcolm - KC
>   >
>
>
>