Wind turbine inspection helicopter drone.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/winturbine_inspectioncopter.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...218#post109858
https://www.homemadetools.net/forum/...486#post104356
https://www.homemadetools.net/forum/...018#post145055
https://www.homemadetools.net/forum/...911#post144589
https://www.homemadetools.net/forum/...362#post142392
https://www.homemadetools.net/forum/...442#post139038
