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Re: RSG Questions...
In a message dated 9/8/99 2:46:20 AM Pacific Daylight Time, tesla-at-pupman-dot-com
writes:
>
> I am in the planning stage of building an RSG. If anyone has answers for
> my questions they would be appreacated. My basic idea is for a 8-12"
> disc with 4 electrodes. The rest is a bit in the air.
>
> I'll be running on a pig power supply, aiming for 2-5 KVA. I would like
> it to be able to handle the full 10 KVA of the pig though.
>
> First, I see a lot of talk about sync RSGs for neon use. Does it matter
> for pigs? Why/Why not? Seems that the neons overvolt quickly and burn up
> on a non-sync RSG according to list posts. Is this a large concern for
> the pig? I don't want to kill my pig. ;)
>
> Where does one obtain motors for this? I see some large motors in the
> hardware store for swamp coolers, will those work? They are probably not
> sync, but may be modifiable.
>
> If it's non sync, could I connect a varriac to it for speed control? My
> thought here is that I could use the speed to help adjust the firing
> timing. Which may be usefull in getting longer sparks. Seems like I read
> about it someplace, I just can't remember where. ;)
>
> Where can I get the tungsten electrodes and how do I cut the stuff or
> get it cut? How do I get them to stay in place on the disc? I'm thinking
> this will be the most expensive part, I want to make sure I do it right.
>
> Travis
>
Travis,
I would suggest getting a 1/3 to 1/2 horsepower universal motor from one of
the discount electronic places. You can use a small variac to control the
speed of these motors. This is what I use on my system. Sync or async, you
won't hurt that pig. I have not seen evidence of higher powered systems such
as yours performing better with synchronous spark gaps.
Ed Sonderman