ccaissie

I'd think just the electric motor system would suffice as the basic works. Brakes are inherent when you stop the current, variable speed is a given without a tranny. Electric Wheel chair motors/powertrain are a bit underpowered, but it's an idea for a seeder or a planter or utility rig. Are used BCS components easy to come by?

The folks up here want a root washer as a shared community tool. I've agreed to put one together and this is the only one I've seen up close to date. It is claimed to work well, with some of the comments above noted. I also wonder if the materials can be upgraded. This one uses Aluminum channel for the structure...durable, but expensive..non-sustainable. How about a rot resistant local wood like white oak or locust? White pine heartwood is pretty good. Cedar is very good. Using a hardwood would increase cost and weight, but would reduce wear issues from the grit/tumbling parts. Maybe a periodic replacement is part of the design. We've got wood. A drive wheel would work, but needs trial to see if it slips. Top mounted drive stays reasonably dry, but does not benefit from gravity to maintain friction. Needs further tinkering. A combination conveyor drive and barrel rotator is an idea. Odd angles, tho'. It looks like the variable speed control is a good thing. Motor and controller as shown is about $550. I don't know about bristles. Maybe available in strips and secured inside? Great site and project!