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Values of the parameter T.P. for various drives and installations.
| Drive | Floors above ground | Trip time in seconds | ||
|---|---|---|---|---|
| Range | Mean | |||
| Hydraulic | Without counterweight | Less than 6 | 5–7 | 6 |
| Geared | A.C. 2-speed | 6 | 9–12 | 10.5 |
| ACVV (high mass) | 12 | 7–10 | 8.5 | |
| ACVV (low mass) | 12 | 5–8 | 6.5 | |
| Gearless | Motor-generator | 18 | 4–6 | 5 |
| Thyristor | 18 | 3–5 | 4 | |
