Experimental Turbines & Blades

We offer unique research turbine designs for universities and other research facilities. Our customized solutions include complete test turbines for wind tunnels, with very special design requirements. Furthermore, we design and manufacture experimental blades and test wings for wind tunnels.


SMART BLADE designed and developed the first smart wind turbine for the researchers of the Institute of Fluid Dynamics and Technical Acoustics of TU Berlin. The complete turbine was successfully developed, designed and manufactured by SMART BLADE. The official name of the research turbine is BeRT, which stands for Berlin Research Turbine. 

SMART BLADE currently offers both copies of the Berlin Research Turbines (BeRT)  or custom designs of research wind turbines according to individual specifications.

The BeRT turbine basic specifications are:

  • Three bladed rotor with a diameter of 3m
  • 2.1m tower height (designed for 4.2 x 4.2m wind tunnel section)
  • Design tip speed ratio (TSR) is 4.6 (180rpm rated speed at 6m/s inflow wind v velocity)
  • Speed range of 100 to 250rpm
  • Integration of sensors, data acquisition and control in the rotating system
  • Flexible operation with respect to speed and torque

Test Wings

SMART BLADE has considerable experience in designing custom-made wind tunnel models. We already provided test wing models for wind tunnels of many research institutions such as the TU Berlin, Technion Israel, University of Oldenburg and Technical University of Athens.


  • Modular construction: Our wings are modular, hollow and with exchangeable parts to allow for an easy handling of the wing and/or access inner features and measuring equipment.
  • Light weight: According to the operational load spectrum, we carefully optimize the material properties and the model geometry. Most often the wings are directly machined by high precision 5-axis CNC milling machines from special solid foam block material. They can also be laminated, 3D printed or assembled from combinations of it.
  • Integration of Sensors and Actuators: We have experience in the integration of common features and sensors for wind tunnel tests. These include pressure taps, conrad/cobra probes, pressure sensors, strain gauges, accelerometers and microphones. For the investigation of e.g. active flow control solutions, we also integrated ports for Zero-Net Mass-Flux (ZNMF) actuators, servo motors, pneumatic actuators and passive kinematics (e.g. spring loaded, coupled mechanisms).