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Re: Capacitor Help



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

Soryy, but what is a LTR cap?

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

> Original poster: Terry Fritz
> <vardin@xxxxxxxxxxxxxxxxxxxxxxx>
>
> Hi Malcolm Tesla,
>
> I have long since burned the pictures of my "first"
> Tesla coil >:o)))))
>
> But now-a-days, the information is soooo much
> better!!!!
>
> Your coil is looking great!!!
>
> A safety gap is in parallel with the main gap....
> There is a long
> long loooooongg and "very painful" "history" of
> spark gaps and
> "resonant cap" systems going "all bad' and blowing
> up NSTs...  A
> second gap, carefully adjusted, to kick in if the
> voltage got too
> much was the standard...  But your system could very
> well do fine
> without one really...
>
> The concern was that there were decades of info "out
> there" to use
> "resonant" cap values that would "ring" the NST
> voltage "sky high"
> (like 80kV!!!) if anything went wrong.  Thus, one
> goof, and the NST
> is fried....  LTR cap values '"fixed that"...
>
> In the transition, super NST protection systems were
> suggested that
> would protect the NST against "anything"!!!
>
> http://hot-streamer.com/TeslaCoils/Misc/NSTFilt.jpg
>
> These things worked real real good and decreased the
> NST killings to
> almost nill!!!  But there is $50 worth of stuff
> there....
>
> But if you use LTR caps and follow careful
> suggestions, then things
> "should be OK".  LTR caps will load the NST down
> enough so that the
> voltage will not go berserkers...  I always worry
> about people madly
> trying all kinds of cap values....  Some values are
> very good, some
> values are very very  bad....
>
> Cheers,
>
>          Terry
>
>
>
>
>
> At 10:43 PM 12/12/2005, you wrote:
> >Hey everyone,
> >
> >Here's a few pics as promised.  This is what I got
> done over the weekend.
> >I've since built a little more and done some more
> wiring.
> >
> >http://www.v8-ranger.com/temp/tesla/1.jpg
> >http://www.v8-ranger.com/temp/tesla/2.jpg
> >http://www.v8-ranger.com/temp/tesla/3.jpg
> >http://www.v8-ranger.com/temp/tesla/4.jpg
> >http://www.v8-ranger.com/temp/tesla/5.jpg
> >http://www.v8-ranger.com/temp/tesla/6.jpg
> >
> >So as of now I'm going for the MMC with 12 of those
> 942 caps, and 1 pound of
> >28 AWG to start winding my secondary.  I have
> noticmsnip...