On 19 Nov 2005 08:58:52 -0800, wrote:

That's why most cabinet saws have 2 and 3 belt drive systems.

Old cabinet saws have multiple belts. Modern belt designs can put this
same power through a single belt. Polygroove belts are also thinner and
more flexible, leading to less power loss and less vibration.

It's getting so that it's actually difficult to buy a triple pulley!