Re: [TCML] first light!

[DC Cox <resonance@xxxxxxxxxxxx>]

Nice to hear of your excellent results with Bart's cool program.

I encourage everyone to use it before winding a coil, or wiring.  It's a
great start and can save lots of heartache down the road.

Dr. Resonance





On Fri, May 28, 2010 at 1:00 PM, Joe Mastroianni <joe@xxxxxxxxxxxxxx> wrote:

>
> <http://yfrog.com/878ecz>
>
> Thank you JavaTC!  I had been having problems with flash over between turns
> of my primary...
>
> After worrying my self to death about my secondary and my ground - I spent
> last night recoating the secondary with Minwax Polyurethane (as suggested in
> Dan M's book) and let it dry overnight.  This morning, I pounded an 8'
> ground rod into my wife's garden just outside the garage at 6AM.  I wired up
> the ground with automobile jumper cable wire, which is basically stranded
> cable, about 25 strands of 16 gauge copper.  I figured I couldn't get much
> more of a ground than that.
>
> I had previously tried decoupling the secondary from the primary by raising
> it.  No positive effect.
>
> I tried connecting the coil to the house ground.  Oh boy.  This was a bad
> idea.  A detuned coil connected to the house ground injected god-knows-what
> noise into my home grounding system.  Luckily, it only trashed one item
> which is a device I made myself and can fix readily.
>
> But things were still not working.  Then I read Dr. Resonance's reply to me
> about how out of tune I was...I selected my tuning location based on
> measurements I had taken with a frequency generator and an LED box (like
> Dan's book) but apparently I didn't try enough range on my primary.  JavaTC
> suggested I needed to be on the 15th turn of my primary (my primary only has
> 13 turns, but I'm about to add 2 more).  I put the clip out to the furthest
> spot on the primary.  And there you have it.  My first arc.  Not much to
> brag about, but it's a start!
>
> Thanks to everyone on the list.
>
> More coiling to come for me...onward to bigger arcs, rotary gaps,  and
> solid state!
>
> Joe
>
>
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