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Re: [TCML] Ballastwith adjustable Core
---- Jeremy Scott <supertux1@xxxxxxxxx> wrote:
> That's also what I was afraid of. With the normal spool, it heated up pretty good. It's THHN wire so it should be able to handle 90c or so,
> I put a fan on it but it was still kind of scary.
> Perhaps #10 wire would be better with a little more than half the resistance of #12, but it's also 3x more expensive.
Make a bigger core, and use a lot less length of the heavier gauge wire for the coil. With copper prices skyrocketing, it's cheaper to use more iron, and less copper. It also makes a better, more rugged, ballast done this way. You get a smoother control with less heating.
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