Re: LTR Pig continues

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Malcolm Watts by way of Terry Fritz <twftesla-at-uswest-dot-net>" <m.j.watts-at-massey.ac.nz>

Hi Shad,

On 15 Feb 01, at 17:07, Tesla list wrote:

> Original poster: "sundog by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> <sundog-at-timeship-dot-net>
> 
> Hi all,
> 
>   Yep.  The LTR pig trundles on.  I'm aiming to have it ready for the
>   2nd
> Annual FL Mini-Teslathon (maybe a full blown teslathon this year?)  I
> still have a few months to work on it, so there's no mad scramble to
> get it done.
> 
>   The 10x60 form for the extra coil came in (Thanks Marc!), and is
>   cleaning
> up beautifully. It'll most likely get wound with 20ga wire.
> (base-current-capability providing).  beefy :)   The driver's form (55
> gal HDPE drum) is waiting for me in Tampa.  I just can't get the time
> to go grab it.  It'll be around 24" diameter and ~33-35" windable (I'm
> not positive what the dimensions are exactly).  It'll most likely get
> wound with 18-16ga wire.
> 
>   The problems with the primary will be taken care of at that point,
>   thanks
> to the much higher inductance.  The caps will be at a safe and sane
> RMS current.    So let's hope no more exploding Panasonic caps in the
> MMC banks. The coil running at a low freq will help too.
> 
>  The toroid.....Uuuuhhhhhhh...Hmm.  That's where it gets a little
>  tricky.
> It'll be pretty huge, as the bangsize will allow for a really high
> voltage to be kicked out.  how much voltage, I don't know, and don't
> have enough experience with large coils to guess.  On my 2x13 coil it
> easily pushed a 20" streamer from a 3x15 toroid, sometimes 2
> streamers.  On the large coil dave built I think it used a 10x48 (i
> may be wrong) beautiful smoth toroid and got a single streamer, easily
> in the 8-10' range.  That was also at 360bps on a .075uf cap.  Running
> LTR I would think I can get a bigger topload on it, with the bigger
> bangsize and all.  Ideas and thoughts? Comments are welcome!
>             Shad

Best advice I can give on the topload is get the minor radius *large*.

Regards,
malcolm