[Boatanchors] Old type coils

Mon Jun 22 11:56:59 EDT 2009

Michael,

The trick on any of these is the odd number of radial spokes.  That assures 
wire going to the opposite side on the next round while weaving.

Rich KB8TAD

At 01:48 AM 6/22/2009, you wrote:
>I'm not sure I see how a diamond weave coil is made.  Google found people 
>selling them but no clues how to make one, and my old books (20s & 30s) 
>assume the person making them already knows how to do it. I can see 
>they're made on a radial spoke system that's removed after the coil is 
>made but it looks like the wire passes on one side of two spokes then 
>crosses to the other side for the next pair ... but where it crossed on 
>the previous turn it stays on the same side on the next and crosses where 
>it stayed.  To quote Vinnie Barbarino, "I'm so confused!" With that, I 
>know how to calculate the unductance of a basket weave and a spider web 
>coil from info found on the web.  Do the same calculations hold for a 
>diamond weave? BEst regards, Michael, WH7HG -- 
>http://www.nationalmssociety.org/chapters/NTH/index.aspx 
>http://wh7hg.blogspot.com/ http://kludges-other-blog.blogspot.com Hiki 
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