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*To*: tesla-at-pupman-dot-com*Subject*: Re: Keeping up with the theory (was is Corum and Corumforbidden topic?)*From*: "Tesla list" <tesla-at-pupman-dot-com>*Date*: Mon, 06 May 2002 07:52:47 -0600*In-Reply-To*: <3CD629E6.9030103-at-prodigy-dot-net>*References*: <4.1.20020505114204.00a76308-at-pop.dnvr.qwest-dot-net>*Resent-Date*: Mon, 6 May 2002 07:52:47 -0600*Resent-From*: tesla-at-pupman-dot-com*Resent-Message-ID*: <A1sj0C.A.BzE.sqo18-at-poodle>*Resent-Sender*: tesla-request-at-pupman-dot-com

Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net> Hi Ray, For curve fitted equations, the big data base below should be very useful! http://www.abelian.demon.co.uk/tssp/vsd/ Paul has done this for bare coils at: http://www.abelian.demon.co.uk/tssp/formulae.html Cheers, Terry At 11:59 PM 5/5/2002 -0700, you wrote: > > No one, so far, has convinced me that a project to come up with a general > equation > for the calculation of parasitic capacitance of a solenoid would not be worth > while. The > limitation on precision and accuracy should be the ability to readily measure > dimensions > and not on the math. Any such equation, set of equations, or procedure > should be usable > by any one on the list who has a computer. Why any one building a coil would > want to do so is beyond me. It seems to be a mountain that is there and has > not been climbed. > > This seems to be getting a bit far from coiling, I would be glad to continue > this > discussion off list. > > Best > Ray > > > Tesla list wrote: >> >> >> Original poster: "Ed Phillips by way of Terry Fritz >> <mailto:twftesla-at-qwest-dot-net><twftesla-at-qwest-dot-net>" <mailto:evp-at-pacbell-dot-net><evp-at-pacbell-dot-net> >> >>> >>> I am intrigued by your statement regarding Maxwell's equations. Do you >>> think they are amenable to numerical analysis? That should make them >>> programmable on the average desk top. Can I volunteer you for the project >>> or would you prefer working on the spark gap? Me? I don't have the >>> skills. Best Ray >> >> There are many different commercial programs which let you put in all >> of the boundary conditions and then solve for whatever you want - electric >> fields, magnetic fields, current flows, etc. Some are pretty expensive. I >> suspect there are some free ones too, but have never looked for them. There >> are other modern analytical tools which accomplish similar results. I'm not >> aware of any that can handle such non-linear programs as spark gap >> breakdown, but there may well be. Ed >

**References**:**Re: Keeping up with the theory (was is Corum and Corumforbidden topic?)***From:*"Tesla list" <tesla-at-pupman-dot-com>

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