Re: Flat secondary measurements

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>


> 
> I though at least finding the wire length would be easy, but I see Jim's
> work is looking pretty complex (Make use of b^x = exp(x*ln(b)) so now you
> can integrate using integral( exp(ax) ) =1/a*exp(ax), where a=ln(b)...)  It
> "sounded" easy but...
> 

That's only for a log spiral (like in seashells, pursuit curves, etc.),
which is not the way most TC flat spirals are wound.  For flat spirals it's
easy...