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I Forge Iron

Variable speed drive/DC motor for grinder?


JHCC

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I've been thinking about a grinder build for a while, but had always been put off by the cost of a VFD. I just got a line on an inexpensive speed control for DC motors (a used Leeson Speedmaster 174308, for what it's worth), and I was wondering how suitable this would be and whether a total know-nothing (at least when it comes to electronics) would be able to get this set up with minimal risk of burning the house down.

Or should I just salvage a treadmill with its speed control?

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