Te> I got the opportunity to put a coat of poly urethane on 
 Te> my secondary that I wound recently, so I am inching towards 
 Te> the completed 4" coil. The secondary is 4" diameter on thin 
 Te> (3/32") PVC that was sanded and varnished.  I have 950 turns 
 Te> of 24 ga. magnet wire on it, giving an aspect ratio of about 5:1.

Sounds like a winner! You should get nice performance when you match
this coil to a toroid and a high Q tank circuit with a lot of primary

Richard Quick

... If all else fails... Throw another megavolt across it!
___ Blue Wave/QWK v2.12