Re: Quarter Wavelength Frequency

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

Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net> 

Hi Paul,

There is one other variable that I would find interesting.  Does the
velocity factor depend on the number of turns for a given H/D ratio?  Maybe
your data says no but I'm not sure.

Gerry R.

 > Original poster: "Paul Nicholson" <paul-at-abelian.demon.co.uk>
 >
 > The interesting thing is that these coils all have a variety of
 > turns and pitches, yet they all land within a narrow range of
 > one another when h/d is plotted against velocity factor.
 >
 > This implies that we can get a good estimate for Fres by simply
 > taking the free space quarterwave frequency for the straight wire
 > and then multiplying by the corresponding velocity factor for
 > the given h/d.
 >
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