[Prev][Next][Index][Thread]
Re: Pri/Sec coiling
>> One of my first s. g. TCs used a 12 kV, 30ma trans. It produced an
absolute
> max spark of 40", but comfortably gave 37 - 38" sparks. To obtain these
>> lengths, a bump had to be placed on the 17" toroid so that only one
streamer
> was produced. Multiple steamers reduced the length to about 31" I
suppose.
>> I posted the specs for this coil about a week ago I believe.
>Oh yeah? I will look for it then.. Got any pics?
No pics, but I have it on videotape. The coil also was shown on one of
Richard Hull's TCBOR video tapes.
>
> > I eventually used this transformer in a small magnifier which gave 36"
max
> sparks. When this transformer blew out, I replaced it with another trans
of
> > the same specs which was newer and physically smaller, but it now gave
only
> 30" sparks. It seems to me that all neon transformers (of the same
rating)
>> are not the same ( I don't think the newer one was defective). I WOULD
BE
> INTERESTED to hear if anyone has seen this range of variation between neon
>> sign transformers? I have never heard this mentioned by anyone other
than
> myself.
> Strange, I have heard that the actually make of the neons, depending on
the company, can either last longer, or produce better efects. Did you
> unpot these coils? Or are you estimating the size on the metal casing?
Thanks for the neon variation info from all the people who have responded.
> > Happy coiling,
>
> > John Freau
>Coiling? Soon. As soon as I can find a damn 'Motor Rebuilding Shop'! I
>need some copper!
> Jeremy Bair
>>
Some industrial electrical companies sell this wire also.
John Freau