Re: Big Time Coil Problems...

• To: tesla-at-pupman-dot-com
• Subject: Re: Big Time Coil Problems...
• From: "Malcolm Watts" <malcolm.watts-at-wnp.ac.nz> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Tue, 15 Feb 2000 16:46:58 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi Ryan,

> Original Poster: "Ryan Ries" <spud-at-wf-dot-net> 
> 
> Man, I'm really mad now.  Our coil is not working at all (again?!).  Our
> power source is 150v going into 15Kv/90ma transformer to make 18Kv.  We are
> using a 6" secondary wound with 22 gauge wire.  (Albeit short winding, it
> should at least be doing something!)    Our caps are mica transmitting caps
> in series to make .00325µf at 20Kv.  I believe this is where we are going
> wrong.  We can get no output at all from the coil no matter what.   Do we
> just need a better capacitor system to fix the whole thing?  I know the
> capacitance is really low, but I was hoping it would at least do something.
>  It seems like after that last secondary blew up, everything just went to
> heck...  Ugh, I hope this gets better soon...
> 			Thanks,
> 			     Ryan

You need a whole lot more capacitance - 10x as much would be 
good. Have you calculated what your primary energy (Ec) is with 
about 3nF charged to 18kV? Don't forget to adjust your primary 
turns to maintain tune.

Regards,
Malcolm

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