RE: TC Operation Question

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

Original poster: "Dwight Harm" <dwighth-at-traxsoft-dot-com> 

re estimating saltwater caps - I have 3 bucket caps, they average 1nf per
bottle (13 bottles per bucket).

Emmett - what capacitance will your MMC be?

 >-----Original Message-----
 >From: Tesla list [mailto:tesla-at-pupman-dot-com]
 >Sent: Thursday, December 11, 2003 5:03 PM
 >
 >Original poster: Esondrmn-at-aol-dot-com
 >
 >In a message dated 12/10/03 11:08:34 AM Pacific Standard Time,
 >tesla-at-pupman-dot-com writes:
 >
 >
 >>I am new to TC's so I have a lot to learn. I would like to know what
...
 >>
 >>Tank cap= 12 Corona bottles in saltwater,  capacitance = ?
 >>
 >>Toroid 4" above top secondary winding
 >Emmett,
 >
...>I ran some numbers on your coil.  Assuming the bottle caps are
 >about 700 pf
 >each, and in parallel, that makes the primary cap about 8.4 nf.
 >You should
 >be able to tune the coil when the primary is tapped out about turn 13.5 on
 >the primary.  Lay a wire on the toroid, just protruding off the edge and
 >place another wire about 6" away that is connected to the RF ground.  Try
 >different tap positions around turn 13 and 14 and tune for maximum spark.
 >