I bought a Radius Master a year or so ago which is a 50x1220 which I have been using for general grinding duties as I don't have a bench grinder. Its a very versatile machine due to the rotating head and roller cassette which allows you to flat grind, slack grind, or used any of the various size rollers. https://www.machineryhouse.co.nz/L096
Its not a cheap grinder, but very versatile. I've been getting my belts from PPS in Auckland.
I made up an extension to the little table that comes with the grinder to give a bigger work surface, and then made up a grinding jig so the boys could do accurate flat grinds. I'll post a picture tonight.
I tempered the 1075 twice for two hours each with the oven bouncing between 210 and 220 deg C
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