World-Time Gearing
AssemblyThe complication: a take-off from the hour wheel drives a 24-hour wheel at half hand speed, coupled to the city ring through a friction clutch for zone setting. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for World-Time Gearing
4 top-level lines as of r191644| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | 24-Hour Wheel | world-time-clock-24h-wheel | 1× | 1 | · | part |
| 2 | Transfer Pinion | world-time-clock-transfer-pinion | 1× | 1 | · | part |
| 3 | Friction Clutch | world-time-clock-friction-clutch | 1× | 1 | · | part |
| 4 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |