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Re: what size wire?

Original poster: "colin.heath4 by way of Terry Fritz <twftesla-at-qwest-dot-net>" <colin.heath4-at-ntlworld-dot-com>

hi bob
            i have just wound a coil the same dimension with 1.4mm wire
giving me approx 1100 turns with an inductance of approx 70mH

----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, May 16, 2002 1:29 AM
Subject: what size wire?

> Original poster: "Bob Thaden by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> I'm building a coil 12.5" x 60".  Can anyone suggest the wire size I
> should use.  I was planning on using my 10# spool of 18g but I see that's
> not even half enough wire.  Has anyone used a mix of two diff sizes of
> magnet wire - if so, does the thicker wire go at the bottom, and how
> do you calc reson. freq?
> thanks
> bobt in Austin