I built mine without a lathe. On this type of equipment build you modify designs to match the materials and equipment you have available.
Check out that MSN group I mentioned above. You will see almost 100 different 2x72 grinders and every one of them works. Some are nice & fancy like Rich's, and others are very obviously back yard scrap welded together. There are even a couple that used no welding I believe. They are all bolted together. Think outside the box. None of this is set in stone. You just need to turn 2 wheels. Everything above that is just more icing on the cake.
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