Re: Dimensions of my flat spiral coil

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Steve Greenfield by way of Terry Fritz <twftesla-at-qwest-dot-net>" <alienrelics-at-yahoo-dot-com>

That would only be true if they were not within each
others magnetic field. However, this is a trifilar
wind, so the coupling is as close to 1.0 as you can
get.

The Q should go up, but inductance should stay
essentially unchanged.

Steve Greenfield

--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <Goinbonkers-at-aol-dot-com>
> 
> Wouldn't the resulting inductance be one third of
> the individual
> inductances(average) if connected in parallel? 
> Mike 
> 
> >
> > For all intents and purposes, if you told me that
> the three windings had the 
> > same inductance, your measurements would support
> that.  Interestingly, if 
> > you hook the windings in parallel, since they are
> very tightly coupled, I'd 
> > ballpark the resulting inductance at 9 times that
> of the single winding, or 
> > around 50-60 mH, just on the N^2 principle


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