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Steve,
One aspect that has not been discussed is overheating of the steel while grinding post HT. A fresh 50 grit belt will grind well and cool but if there is some wear on it watch out that steel can go from bright to blue to dark brown real quick. I finish grind to 120 grit, HT, then using a fresh 120 grit flexible belt true up everything and bring down the edge to .010-.015 and polish with finer grits. Just my 2 cents!
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