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Hand Operated Winnower

Hand Operated Winnower
Hand Operated Winnower
Carolina Farm Stewardship Association
Author: Allen Dong and Roger J. Edberg

The winnower separates seeds from chaff by blowing the less dense chaff away as seeds fall down a column of air. Place the seed and chaff mixture on the tray. Turn the crank handle and move the seed mixture into the air duct. Manually adjust the crank speed to provide enough airflow to lift the lighter chaff up and out the top of the air duct, while allowing the denser seeds fall through the bottom of the air duct.

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