Re: THYRATRON QUESTION
Hi VGREAT, A..,
What size wire do you use for winding the secondary? What is the
inductance of your primary? Is the filament in the hydrogen thyratron tube
hot? If you take the 16" ball off of the top of the secondary does it still
----- Original Message -----
From: Tesla List <tesla-at-pupman-dot-com>
Sent: Monday, July 12, 1999 9:54 PM
Subject: THYRATRON QUESTION
> Original Poster: VGREAT-at-aol-dot-com
> WOW AM I CONFUSED NOW. We have a small coil 5"x22 powered by a 15kv 60ma
> NST. using 0.012uf cap. Our current spark gap is 18 sections of cu pipe
> with a total gap of 0.300" this gives us nice 4 foots streamers off a 16"
> corona ball. Well we never are satisfied with what we have so had to try
> something new. replaced the spark gap with a hydrogen thyratron, thinking
> would be quieter and improve the Q so all would be better. Well .... the
> thyratron would not hold off the voltage as expected and freely anode
> without any trigger applied. Used a thyratron rated for 16kv and only had
> input powerstat at about 3kv. but that is not the question.. the
> is why did the coil get big arcs up and down the secondary while the tube
> anode firing?????
> any ideas would be greatly accepted..
> Phred and Inspector Mike