Fatigue testing wind turbine blade - GIF

Fatigue testing wind turbine blade.

<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/wind_turbine_blade_test_actuators.mp4" type="video/mp4"> Your browser does not support the video tag. </video>


Previously:

https://www.homemadetools.net/forum/...756#post201953
https://www.homemadetools.net/forum/...718#post197922
https://www.homemadetools.net/forum/...741#post174839
https://www.homemadetools.net/forum/...963#post160386
https://www.homemadetools.net/forum/...096#post112435

It would be interesting to see that test done with the weight turning at various speeds to see how that affects the harmonics in the blade.

Now we know where a recent poster got his idea for a vibrating gravel rake. (Or, perhaps, the reverse is true.)

Sure looks like an anvil is what's strapped to the end of that blade.