Wind turbines "classic" and "pipe"
thingiverse
These wind turbines are suitable for mounting on an eddy current dynamometer https://www.thingiverse.com/thing:5944789. The design provides for the possibility of changing the angle of installation of the blades. You will also need M2.5 bolts without hats and a steel tube with a diameter of 2 mm. The length of the part of the metal tube protruding from the blade - "pipe"-114 mm. "classic"-8 mm. https://www.youtube.com/watch?v=Bodt6ze6Wck https://www.youtube.com/watch?v=RNPaZzP1N6Q
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