[Prev][Next][Index][Thread]
Re: small coil
Solved my own problem. I tried to run it backwards off 120v. Thin
secondary couldn't handle it for long. It hummed for about a second
with a little arc between two leads off primary, then PUFF, and a cloud
of smoke. Now it's time for a small neon or an obit.
Tesla List wrote:
>
> Original Poster: Raycroft <k.raycroft-at-worldnet.att-dot-net>
>
> After building a medium sized TC (450w), I would now like to attempt
> building a smaller one, and would like to make the transformer, cap, gap
> and primary to fit in a 6x6x6 box with the secondary coming out of the
> top. Is it possible to use a little transformer from an old printer?
> The reason I ask is that I had an old epson 11" printer that died, and
> there was a stepdown transformer in there.
>
> Big questions: I assume the transformer is about 120:12 so I would get
> about 1200v. I may have to put several in series. Now, about current.
> Do I need to limit the current some way, or will it have high enough
> inductance to limit itself?
>
> Most important: Does it seem feasable at all? I just don't know. NST's
> provide enough voltage, current is limited, and are designed to step up,
> but I have no clue about how hard one can drive a stepdown transformer
> in the opposite direction. Any help would be greatly appreciated.
>
> Thank you for your time,
> Jason Raycroft