CoffeeBean Cooling Drum

# Cooling Drum

Re: Photos - don't know 'why' they're distorted but, you get the idea...

Cooling roasted coffee beans quickly is an important part of the roasting process... This is how I cool them (can also be used to cool roasted nuts)

See below for Roasting info..

The Parts (refer to General Assembly cartoon):

3D-Print Parts:
*For Manual Rotation*
Drum-Drive (Hub) for the drum
(Manual Turn knob, if not purchased)

*For Motorized Rotation - Also Print the following*
Mount Parts (A & B)
SwingArm
GearDrum
GearDrive
Switch Mount
Battery Mount

Other Parts (as needed):
Manual Turn knob - use whatever you want that fits (including Drawer knobs, a chunk of wood or other printable’s... or a gear)

Spacers as needed for maintaining Drum and Gear position
Drum: “Zehui” brand
(I removed the Tabs on each side but, that’s my preference...)
Frame: 1-Inch (O.D.) PVC cut to desired size, 90º Elbows and Tee’s
Hopper: Cardboard Box cut and glued as needed
Axis Sha