Technology
Why leaf blowers blast air so fiercely
HERE’S THE INTERESTING PART
That obnoxious screaming device terrorizing your neighborhood every Sunday morning uses a very basic centrifugal impeller. By sucking air into the center and flinging it outward through a tightly shrinking nozzle, it forcefully compresses the breeze into a wildly aggressive jet stream. It is a deafening brute-force air hammer designed strictly for moving dry foliage.
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