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4704 RV Roosendaal
The Netherlands

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///Dynostar SR38

Dynostar SR38

A Single Roller with virtually no limits!

Product information

“There's a bit of a power loss at 250 km/h …”

For professionals who often have to perform high speed tests, and who focus specifically on tuning, the Dynostar SR38 is the best dynamometer. This ”single roller” dynamometer is ideal for testing vehicles with (extremely) low ground clearance. The Dynostar SR38 must be integrated into the workplace floor and can be equipped with various professional options.

The use of only 1 roller per wheel ensures even better simulation of situations on the road. Wheel contact on single rollers corresponds better to the actual situation on the road. The use of large rollers (diameter 800mm) makes the dynamometer suitable for extremely high speeds. The maximum speed is no less than 400 km/hour!

Dynostar SR38

Evidently the Dynostar Model SR38 is developed for the real power guys. Thanks to the powerful, air-cooled retarder, this dynamometer can absorb a static power of up to 618 kW. Because of the large roller diameter, dynamically the maximum power absorption is a massive 896 kW! To be able to test vehicles with such extreme power safely without wheel slip, the SR38 is supplied with optional tungsten carbide anti-slip coating on the rollers.

Standard hardware features:

  • DAS Data Acquisition System
  • Advanced Dyno Station Software package
  • Junction Box
  • Calibration weight
  • Remote controller
  • Instructions and manual
  • CE marking
  • Emergency brake
  • Straps and floor anchors for immobilizing the car

Standard software features:

  • Static power measurement
  • Dynamic power measurement: Roll on, Negative test, All gear, Variable transmission, Fast acceleration, Multiple speed, Acceleration test
  • Speedometer test
  • Weather station
  • Power correction to DIN, EEC and SAE standard
  • Automatic braking after completing a dynamic test
  • Real time display of engine speed, power, traction and vehicle speed in software
  • Simulation of roller and air resistances for simulating situations on the road
  • Automatic calculation of losses in the drive line and calculation of power at crankshaft
Weight: 1825 [kg] 4025 [lbs]
Dimensions (lxwxh): 4,10x1,30x0,90 [m] 160x51x35 [inch]
Power requirements: 400 [V]  
  23 [A]  
Air requirements: 6 [bar] 88 [psi]
Max. speed: 400 [kmh] 250 [mph]
Drum width: 0,80 [m] 31,5 [inch]
Track width: 2,40 [m] 94 [inch]
Drum diameter: 0,80[m] 31,5[inch]
Number of drums: 2  
Max. axle load: 3500 [kg] 7700 [lbs]
Total vehicle inertia: 82,17 [kgm2]  
Equivalent vehicle mass: 515 [kg] 1135 [lbs]
Max. dynamic power: 965 [kW] 1295 [hp]
Max. static power cold: 816 [kW] 1095 [hp]
Max. static power continuous: 325 [kW] 432 [hp]
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