There are basically two types of of band saws, two or three wheel. When buying a saw for the first time, the three wheel saw appears to be the best bet. I gives heaps of throat (distance of cut between the down traveling cutting side and the upward return side of the blade) for cutting larger widths of wood.
The main reason a woodturner buys a bandsaw is to cut round turning blanks and rip down billets from logs. Ripping especially requires horsepower (kilowatts for you young fellas). A saw with less than a 1hp (750 watts) is going to struggle with green hard wood blanks. I have re-powered my small Taiwanese saw with a one horse motor and it is still barely adequate. Second bit of advice look for more than 1hp if possible. Some band saws have a series of pulleys to allow different ratios. This can increase the power of the saw but this is at the expense of cutting speed. I am unable to recommend a cutting speed but the speed suggested by the manufacturer for cutting aluminum is about right for hardwood.
Choosing a Bandsaw Blade
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9-Inch Band Saw SKIL 3386-01 2.5-Amp
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