[TCML] Should I repot this NST?
resonance at wildblue.net
Fri Sep 19 23:29:46 MDT 2008
If you are going to run it in a TC circuit, you will be abusing it slightly.
It might last, but also, might not.
I vote for bbqing it for a few hours, get all the tar out, wash out
thoroughly with kerosine.
Then, since it is wide open, knock out about 2-3 shunts in each corner
Drop it into a Walmart plastic tube of xmfr or mineral oil (xmfr oil is
Check your next output current off each bushing to ground. Short opposite
bushing to ground to equalize the load during this test.
With higher output current, and running in oil, your coil's performance will
On Fri, Sep 19, 2008 at 6:14 PM, Stephen J. Hobley <shobley at userfs.com>wrote:
> I got hold of a 12kv 60ma NST from a local sign company. It's pretty old
> and the potting is a bit cracked, as you can see:
> It passes the "arc to case" test on both sides without any issues, but I
> was wondering if I should repot/remelt this?
> I almost cranked up the grill, but then I read how you can overcook the
> potting on towards the base if not careful.
> I did melt some of the bigger cracks closed with my 'pocket blowtorch'.
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