More info about powermatic 81 bandsaw blade length

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“So, I found a large pulley from an old machine, and did the calcs for that reduction. With the 3.4″ motor pulley, and a 17.5″ driven pulley on the bandsaw shaft, 60 hz yielded 1748 sfpm. With some tricky lathe work and pillaging of old machines for parts, I made a working setup for a primary reduction of 3.4 motor pulley to 12″ driven pulley, and secondary reduction of 6″ jackshaft pulley to 17.5″ bandsaw pulley. My friend has a 20” Grob bandsaw that I’ve run a lot, with solid metal guides- I’d prefer to go that way when I can, and supposedly DoAll guides will bolt onto the Powermatic 81/87 saws.

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