controller

Hi Everyone, I made the mistake of buying off ebay a dc motor speed controller for my lathe without double checking what hp the controller was rated for. It arrived today, and now I see it is rated for only 1/50 hp. Can someone kindly tell me what shop equipment uses only 1/50hp? I now have...

I finally got my TH/QC54 lathe dc motor conversion done, and up and running! I did some practice turning on a scrap piece and all seemed to work fine. Took into making my first actual part, a small shaft .390 diameter CD steel. I made a number of passes on the part, when the motor speed...