[TCML] new toroid capacitance
cmayeux at msbministries.org
Thu Mar 17 08:10:06 MST 2011
Good try, but as stated, this toroid is slightly odd shaped, (as per the linked diagram), and the spreadsheet you refer to only has
the calculation for a standard toroid shape. Thanks for trying, though, Bob.
Pastor, MSB Ministries
> -----Original Message-----
> From: tesla-bounces at pupman.com [mailto:tesla-bounces at pupman.com] On Behalf Of Bob Wroblewski
> Sent: March 16, 2011 8:39 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] new toroid capacitance
> Hi Rev Fuzzy,
> Do a web search for QTC.xls then you can save it and use it locally.
> It is a spreadsheet program from Ed Sonderman modified by Ross Overstreet. I've
> used it quite often over the years. It has a toroid capacitance estimator based
> on two dimensions of the toroid. My two cents worth. Good luck.
> Bob Wroblewski
> Dracut, MA
> From: Reverend Fuzzy <cmayeux at msbministries.org>
> To: Pupman Tesla List (Pupman Tesla List) <tesla at pupman.com>
> Sent: Tue, March 15, 2011 2:00:47 PM
> Subject: [TCML] new toroid capacitance
> I hope someone knows this one... I've made plans for a new toroid, but the shape
> is slightly odd, compared to what we've been using.
> I acquired a pair of 2"x11.75" Styrofoam rings (each with one side flat, the
> other side rounded). My idea is to mount these in a
> 11.75" round section of 3/16" plywood. Question is, what would be the resulting
> capacitance of this topload? I'm hoping for
> something in the range of 16pf to 26pf, but not holding my breath on that.
> See PDF diagram: http://www.msbministries.org/new_topload.pdf
> Thanks in advance for the help.
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