I finally got the water wheel in to my shop! A friend needed a new hunting knife, so we bartered He said his friend had it in his shop for around 30 years before giving it to him and he's had it in his garage for a while to sharpen axes and stuff. Works nicely on hunting/utility style knives, haven't tried it on the kitchen knives yet. It has a water bath, so the steel stays nice and cool. Very slow RPM, too with the pulleys they used.