Traction
Geared traction
A motor drives the sheave through a worm or helical gearbox. The workhorse of Indian mid-rise housing: proven, serviceable, and every technician in the country knows it.
- Speed
- 0.5 – 1.75 m/s
- Travel
- up to 60 m
- Stops
- 2 – 20
- Machine room
- Required
- Strength
- Lowest equipment cost, parts available everywhere, tolerant of imperfect power supply.
- Trade-off
- Needs a machine room above the shaft and a gearbox oil change schedule.