When helicopters operate in desert environments...........

[Justdroppedin]

their blades are exposed to

friction with sand particles flying in the air. This friction generates sparks result

from micro-erosion that occurs on the edges of the blades, even if they are made of

highly hard metals such as titanium or nickel.




https://i.redd.it/a0eyze8dhk4e1.jpg




































https://i.redd.it/jhgcndidhk4e1.jpg






















https://i.redd.it/9azbz0rdhk4e1.jpg

[dogdayz]

The sand must be awful bad for the turbines too.