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Re: Primary calculations



In a message dated 96-01-18 17:53:09 EST, tesla-at-grendel.objinc-dot-com writes:

>Hi Ed,
>
>	Nagaoka's formula should work. A good reference, if you can find it
>, for this is "Inductance Calculations" by F.W. Grover (1946). Nagaoka's 
>Formula, however, requires the evaluation of some nasty integrals - 
>fortunately, Grover has done this for us in a series of tables. If you can 
>tell me roughly the height of the coil you're interested in, I could copy 
>out the relevant parts of the tabl Grover also has corrections for cospace 
>wound coils which sounds relevant in your case.
>
>
>-Ed Harris

Ed,

The primary I had in mind would be wound on a 6.2" dia plastic pipe with 3/8"
dia copper tubing with 3/8" spacing between turns.  I was thinking of 14 to
16 turns.  The goal is 70 to 80 microheneries.

Thanks, Ed Sonderman