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# RE: [femm] Coil winding calculations

- To: "'femm@yahoogroups.com'" <femm@yahoogroups.com>
- Subject: RE: [femm] Coil winding calculations
- From: "Achmad, Mike" <machmad@hrtextron.textron.com>
- Date: Fri, 13 Apr 2001 07:11:53 -0700

    It is a neat setup. What will be the predicted inductance for the same coil
    arrangement?

    > -----Original Message-----
    > From:	Wlliam F. Everett [SMTP:WFEverett@Tri-TechLLC.com]
    > Sent:	Thursday, April 12, 2001 4:15 PM
    > To:	FEMM (E-mail)
    > Subject:	[femm] Coil winding calculations
    >
    > For those who are interested in calculating the windings for a solenoid
    > coil, I have derived some equations that are based on theory and practical
    > experience. The equations are accurate to +/- 1% up to 35 gauge magnet
    > wire. (+/- 2% up to 45 gauge) The equations also work for half gauge
    > magnet
    > wire.
    >
    > The attached PDF sheet is a MathCAD file, but all of the equations could
    > be
    > replicated on a spreadsheet program if you prefer.
    >
    > If anyone is interested in the actual MathCAD file, please email me a
    > request.
    >
    > William F. Everett, PE
    > Tri-Tech, LLC
    > Director - Sales and Engineering
    > www.Tri-TechLLC.com
    > 219-257-2422
    > 219-257-2421 (fax)
    >
    >
    >
    >
    >
    >
    >
    >
    > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
    > << File: Coil.PDF >>

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