Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>
Hi Nolan,
On 3 Nov 2005, at 15:57, Tesla list wrote:
> Original poster: "tmoore" <tmoorezz@xxxxxxxxxxxx>
>
> Hi Miles,
>
>
> I ran my mini-coil with a 7.5Kv 60ma GFI Franceformer, and every
> once in a
> while I would have to hit the reset button, other than that it ran
> fine! I got 22 inch streamers and according to John's length formula
> it should be 24 inches max. You should just try to run it as is. If
> you have any problems u can decide to depot later. I depoted mine to
> boost the power and moved it to my three inch coil. The GFI
> transformers have two secondarys and two primaries. You have to wire
> the two primary coils in parallel and the secondarys in series. The
> transformer looks like two mots welded together. The coils are
> arranged secondary - primary - secondary - primary. On mine the top
> secondary always got really hot. So I recommend that you saw the
> weldings holding the top and bottom transformers together. You don't
> have to saw more than 3/16"s, just enough to take them apart. After
> your done fasten them together so it is, secondary - primary - primary
> - secondary. You will also need to turn one of the secondarys on the E
> core upside down. Wire the secondarys in series and the primaries in
> parallel; you may also remove a few of the shunts for more power I
> think I toke out 5 and left in 10. After I did that it ran much better
> and didn't even get worm. In fact its one of my best performers, I get
> intense four foot streamers, and according to johns spark length
> formula I should be getting 24 inches max from a 7.5KV 60mA
> transformer!!!!!!
I think you'll find that the formula applies to wallplug power, not
transformer faceplate ratings ;)
Malcolm
>
>
> Here is a link to my Webpage and my modified GFI Franceformer
>
> http://www.hot-streamer.com/nolan/
>
>
>
> http://www.hot-streamer.com/nolan/threeintc/nst.htm
>
>
>
> Here are a few pictures of a 15/60 Franceformer I depoted and
> modified for my Six inch coil, it now produces 15KV @ 200mA
>
> http://www.hot-streamer.com/nolan/Sixintc/nst%20bank/
>
>
>
> Also check out Ross Overstreet's page he depoted a 12/60 Franceformer
>
> http://hot-streamer.com/ross/projects/ac_coil/index_ac.htm
>
>
>
> Peace,
>
> Nolan Moore
>
>
>
>
> ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx> To:
> <tesla@xxxxxxxxxx> Sent: Saturday, October 29, 2005 12:50 PM Subject:
> GFI-ed NSTs
>
>
> >Original poster: "miles waldron" <mileswaldron@xxxxxxxxxxx>
> >
> >Dear All,
> >
> >I managed to scrounge up two Franceformer 12KV 60ma NSTs. One has a
> >GFI, and the other is rated at 220 instead of 110 for the input.
> >Well, well, well, I am thinking that I can just open up the tin and
> >compare the two and figure out...
> >
> >a) how to remove the GFI
> >b) maybe how to readjust the 220 to 100, like some other transformers
> >that I have
> >
> >Cracking open the tins I see !!!!!!!!!
> >
> >A huge black blob of indestructable rubbery plastic. Yuck!
> >
> >:(
> >
> >Is there some way to dissolve that horrible stuff so I can tinker
> >with the mechanism inside. Is the horrible black stuff a necessary
> >insulator? Am I just crazy, and there is no possible hope of ever
> >"fixing" either of these NSTs?
> >
> >Sincerely,
> >
> >Miles
> >
>
>
>
>