Thom built a prototype of the integrated winnower, including a clear front so we could see how everything works. The ramps are adjustable to allow the angles to be tweaked.
Initial test went well, with a few seeds getting stuck on the ramp
A fair amount of chaff made it out of the system
While the seeds dropped down into the bottom
Our only concern is the ability to generate a constant amount of airflow using a hand powered fan attached to the hand crank. We plan to discuss with Erv during his visit this weekend.
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