Re: pri-sec elevation (was Magnet Wire Sources)

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

Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


I have not assembled a "twin coil" setup so I can not advise on this
question.  Perhaps Ed Wingate could advise you --- he has a large twin coil
setup that performs very well.  I think it is a magnifier design.

Dr. Resonance

 > What would you advise for a twin TC setup?  Of course the composite
primary
 > is divided into two separate primaries, each about half the normal primary
 > inductance.  That being the case, it seems like the optimum elevation of
the
 > two secondaries will be less than for a single primary-secondary coil of
 > equivalent size.  Any practical experience-based comments?
 >
 > Thanks,
 > Steve Young
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Sunday, May 30, 2004 10:05 AM
 > Subject: Re: Magnet Wire Sources
 >
 >
 >  > Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com>
 >
 >  ><SNIP>
 >  > We make a lot of 18 inch dia. coils and found 7 inches to be the most
 >  > effective coeff. of coupling.  For our 24 inch dia. coils it requires 9
 >  > inches for best performance.
 >  >
 >  > Most experimenters way over-couple their coils and lose performance
that
 >  > they are not even aware is available.
 >  >
 >  > Happy coiling,
 >  >
 >  > Dr. Resonance
 >
 >
 >