NST blown

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

Original poster: Bob81818-at-aol-dot-com 

Hi all, I was demonstrating my first coil at school and after running it 
for a few minutes (not continuously) the spark gap stopped firing after 
taking it home the secondary of the 9/30 nst had no conductivity, so I just 
implied that it destroyed itself. I plugged it in to double check and I got 
less than millimeter sparks when I scraped a wire over the two secondary 
electrodes. That kinda puzzled me a bit, would appreciate if someone could 
explain how that happened if the sec is blown. And I was also wondering if 
its possible to fix an nst like this. I'm not surprised that I blew the 
xformer cuz I didn't ground the tank circuit, or put in a safety gap, I 
guess I just wanted to know if the coil would work before I added all the 
safety stuff, therefore I accept that I am an idiot. A little advise on 
this subject would be nice.
        Thanks all,
              Dan