Fluid-bed coffee bean roaster air-flow test bench

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This is a test setup for a green coffee bean roaster. It uses a 1500 watt cartridge heater, 12 volt inline blower run at 24vcd, small speed controller, 2" copper tubing, and 4-3/4-in x 11 in tall borosilicate glass roast chamber. This setup just tests air flow and bean loft in the chamber. since the cone under the beans is 3D printed plastic, I can't put much heat to it yet. That will need to be made of heat resistant material.

This is 300 grams of coffee beans from Genuine Origin.

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