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Beans in the chaff

Beans in the chaff

Owned by Chris Hilder
Last updated: May 26, 2025 by Steve Calvert

The Kaffelogic Chaff collector uses a unique radial airflow method which is highly efficient at separating the chaff from the beans. However, as beans roast darker and darker they become lighter and lighter: more like chaff. So it’s no surprise that there comes a point where bigger loads sizes and their associated higher fan speeds can lead to some of the beans ending up in the chaff collector tray.

If you notice a significant number of beans in the chaff after large, dark roasts, the good news is that most of the beans that end up in the chaff get there during cool down. This means they are fully roasted. All that is required is a technique for separating them from the chaff after cool down has finished.

Empty the roast chamber. Fit the chaff collector back into place. Empty the contents of the chaff bowl back into the roast chamber and assemble the chaff collector. Press the ≡ button and Press ⏵to start fan preview. This will separate the chaff from the beans.

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