Technical Data - Themal wind tunnel


Test section (lenth x width x height)15.8 m x 6.8 m x 5.5 m
entrance (width x height) 2.9 m x 4.0 m
2-axis-drum test bench
Drum diameter1.6 m
Drum circumferential speedmax. 300 km/h
Driving/braking power respectively max. 300 kW front and 500 kW rear.
Traction force in brake20 kN
The test bench has two identical sets of drums (for the front and rear axles).
The roller sets can be moved in longitudinal direction.
Air conductionLarge nozzleSmall nozzle
Air flow velocity
(continuously adjustable)
max. 210 km/hmax. 240 km/h
Nozzle cross section6 m2 
(2.45 m x 2.45 m) 
4 m2
(2.45 m x 1.60 m) 
Air temperature regulation by heat exchanger unit between 20 °C and 50 °C.
Deviating operatin conditions upon request. 
Additional test bench equipment
Electric throttle and brake actuators
Drivercontrol unit/ road simulation driver aiding system
Lifting platform and workshop equipment
Secured prototypes preparation rooms
Extensive measuring, analysis ans visualization technology
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