Strain Gauge Package
AssemblyThe measurement core: foil strain gauges bonded to the spider or arm where pedaling torque produces predictable elastic strain, wired as Wheatstone bridges that reject everything except torsion. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Strain Gauge Package
5 top-level lines as of r131865| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Foil Strain Gauge | pmc-strain-gauges | 8× | 8 | · | part |
| 2 | Gauge Adhesive | pmc-gauge-adhesive | 1× | 1 | · | part |
| 3 | Bridge Wiring | pmc-bridge-wiring | 1× | 1 | · | part |
| 4 | Protective Coating | pmc-gauge-coating | 1× | 1 | · | part |
| 5 | Temperature Sensor | pmc-temp-sensor | 1× | 1 | · | part |