A slender, flexible sensor is designed to measure stall over the wings of a robotic bird in a qualitative way. To do so, the principle of a piezoresistive strain gauge is applied to a tuft, such that the deflections of this tuft can be designated by a change in resistance. After the design was completed, the sensor is 3D-printed using a multi-material 3D-printer and then tested in the educational wind tunnel
In this presentation the design, fabrication, characterisation and testing of this sensor will be discussed, as well as the results that followed from the different tests that are executed.
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