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Belt Drive

Assembly

The crank-to-fan link: pedals turn a crankset that drives the fan through a poly-V belt and a step-up sprocket, with a clutch so the fan freewheels on coast. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bill of materials for Belt Drive

6 top-level lines as of r7165
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Crank Arm assault-crank-arm 2× 2 · part
2 Pedal assault-pedal 2× 2 · part
3 Drive Belt drive-belt 1× 1 · part
4 Drive Pulley assault-drive-pulley 1× 1 · part
5 Freewheel Clutch assault-clutch 1× 1 · part
6 Ball Bearing ball-bearing 2× 2 · part