L = r2 X N2 / ( 9r + 10 len )
L = inductance in uH
r = coil radius in inches
N = number of turns
len = length of the coil in inches
----- Original Message -----
From: "Partain, Chuck" <Chuck_Partain@maxtor.com>
Sent: Wednesday, March 10, 2004 13:08
Subject: [Amps] winding plate inductors
> quick question, where can I find info about the actual winding of
> plate inductor.
> I know copper, silver plated, all that good stuff to use but I haven't run
> across (other than winding and measuring)
> any "magic formula" for winding different coil sizes..
> when I figure out what I need for a specific inductance on a band, how do
> know what to wind?
> looked in orr's handbook and the ARRL handbook, not much in there, plus
> web surfing...nothing.
> help always appreciated.
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