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Description of the DDS.
| Gearbox Category | Level | Gear Category | Number of Teeth | Number of Gears | Gear Ratio |
|---|---|---|---|---|---|
| Planetary gearbox | 1st | Sun gear | 20 | 1 | 6 |
| Inner gear ring | 100 | 1 | |||
| Planetary gear | 40 | 3 | |||
| 2nd | Sun gear | 28 | 1 | 4.57 | |
| Inner gear ring | 100 | 1 | |||
| Planetary gear | 36 | 3 | |||
| Fixed shaft gearbox | 1st | Driving gear | 100 | 1 | 0.29 |
| Drive gear | 29 | 1 | |||
| 2nd | Driving gear | 36 | 1 | 2.5 | |
| Drive gear | 90 | 1 |
