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wow, awesome response. thank you all and what great videos oxtool makes. I will have to watch all of them. this will be a challenge for my machining ability but also a great learning experience.
john
Check out the Ephrata Manufacturing on Vintage Machinery. The band saw wheels are solid with drill holes for balance.One of the biggest problems with wheels that size is balance. A slight out of balance causes small vibrations that transfer to the blade which in turn make for a less than precise cut. Spoked wheels of that size will have a certain harmonic frequency that will tranfer into the blade, because of the lack of mass. I know some dedicated re-saws actually have granite wheels and granite tables. Granite seems to be dense and heavy enough to dampen things.
Of course this is the extreme on that end, and I would think anything strong and light would work just as good, as long as it did not telegraph the vibrations
Myself, I would build a 6" hub, and make the wheel from several layers of baltic birch plywood to bolt on the hub. The plywood would be rigid enough and have the properties of dampening, plus be lightweight enough to get up to speed without excessive horse power.
Just my thoughts....