View Single Post
Old 09-02-2010, 06:00 PM
seth seth is offline
Senior Member
Join Date: Sep 2007
Posts: 445
Originally Posted by Jiffycoil View Post
It must have something to do with the secondary coil size. I tried a smaller coil and had heat issues with the transistor. I'm going to experiment changing around the primary size on my setup. I'm going to give it a helical coil covering 1/3 of the secondary and see what happens.
My first prototype of the exciter was with a helical primary (4-5 turns) covering the whole of the secondary - and it worked very well.

Good luck!
Reply With Quote