When building the Gator gun in January I took an old 3/8" worn reamer and ground it down to .360 diameter so I could ream the barrel to 36 caliber. To grind it down I rigged a die grinder to the lathe tool post. It got the job done, but the setup was a little less than satisfactory, so that prompted building a solid tool post grinder of my own design. It was constructed almost entirely of on hand materials, except I did salvage a motor and speed control from a little Harbor Freight grinder. It was completed February 4th.
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