And here I thought they’d be smart enough to use a cylindrical fan design.
Yeah....right.
First big storm will take that thing out.
“I thought they’d be smart enough to use a cylindrical fan design.”
I like this one.
Vortex has no moving gears and the oscillation happens at very low frequencies so the device functions quietly when properly calibrated.
https://vortexbladeless.com/technology-design/