"s'technisch Züüg"
Technical data
The Kronbergbahn is a bicable aerial tramway (PB) with two tracks with 2 suspension ropes each, 2 vehicles and one upper and one lower haul rope. The location drive is from the mountain station.
Route
Coordinates
| Valley station | 742.850 / 242.725 |
| Mountain station | 742.900 / 239.575 |
Track length
| horizontal | 3126.00 m |
| slanted | 3220.00 m |
| Roadway | 3255.00 m |
Station height
| Valley station | 883.9 m.a.s.l. |
| Mountain station | 1657.15 m.a.s.l. |
Platform heights
| Valley station | 877.54 m.a.s.l. |
| Mountain station | 1650.79 m.a.s.l. |
Height difference
| 773.25 m.a.s.l. |
Track inclination (full cabin)
| middle | 24.74 % |
| largest | 73.2 % |
Number of supports
| 3 |
Span
| largest (diagonal) | 2225.0 m |
Floor clearance
| largest empty cabin | approx. 115 m |
| largest full cabin | approx. 100 m |
Ropes
Lower traction cable (counter cable)
| Rope diameter | 24 mm |
| Number of ropes | 1 |
| Running meter weight | 2.036 kg/m |
| Required breaking force | 275.00 kN |
| real breaking force | 408.00 kN |
Upper pull rope
| Rope diameter | 27.5 mm |
| Number of ropes | 1 |
| Running meter weight | 2,612 kg/m |
| Rope length | 3415.00 m |
| Required breaking force | 459.00 kN |
| real breaking force | 526.00 kN |
Suspension ropes
| Rope diameter | 36 mm |
| Number of ropes | 4 |
| Running meter weight | 7.44 kg/m |
| Rope length | 3350.00 m |
| Required breaking force | 1463.00 kN |
| real breaking force | 1467.00 kN |
Main drive
Drive type
| electric, asynchronous motor acting on drive pulley shaft via gearbox |
Circuit
| Frequency inverter |
Continuous power
| 315 kW |
Rated speed (at Vmax=9m/s)
| 1450 rpm |
Brake systems
Number of braking systems
| 4 |
Remote monitoring system
Communication link (mountain - valley)
| 16 single-mode optical fibers, routed parallel to the roadway in ground cables and integrated in the 20kV medium-voltage overhead line (span 2070m) |
Vehicles
Number of vehicles
| 2 |
Capacity of the cabins
| 44+1 |
Cabin floor area
| 9m2 |
Vehicle weights
| 16-roller drive | 1930 kg |
| Hanger | 580 kg |
| Cabin empty | 1420 kg |
| Total Tara | 3930 kg |
| Payload 45 persons à 80 kg | 3600 kg |
| Moving load with persons | 7530 kg |
Supports
Number of supports
| 3 |
Designation of the supports from the valley towards the mountain
| 1 / 2 / 3 | 3126.00 m |
Column heights
| 1 | 18 m |
| 2 | 25 m |
| 3 | 56 m |
Intermediate suspensions
Number of intermediate suspensions per lane
| 11 |
Operation
Max. Driving speed
| In the clamping field | 9m/s |
| About supports | 7m/s |
| Travel time | 7.9 min |
| Holding time | approx. 0.8 min |
| Conveying capacity in one direction | 330 people / hour |
Conversions
1964
| Commissioning of the system |
1994
| Renewal of the rail control system | |
| Conversion of the drive from Ward Leonard to thyristor DC motor | |
| Revision of the gearbox | |
| Renewal of the drives | |
| Renovation of the cabins | |
| Installation of the station saddle in the valley station |
2012
| Renewal of the rail control system | |
| Conversion of the drive from a thyristor DC motor to an asynchronous motor | |
| Renovation of the cabins (2012 cabin 1, 2013 cabin 2) | |
| Replacement of the telephone cable with a fiber optic cable |