I’m cleaning my network rack and the filters have obvious caught a lot of dust, which I am happy about, but I wonder why the dust hasn’t been caught evenly. Aren’t the rotors/blades rotating at a fixed RPM?


I’m cleaning my network rack and the filters have obvious caught a lot of dust, which I am happy about, but I wonder why the dust hasn’t been caught evenly. Aren’t the rotors/blades rotating at a fixed RPM?


What do these tell you? :D