"david lang" wrote:

Andrew Gabriel wrote:

That's what "suction power" is -- the vacuum pressure multiplied by
the air flow. Neither the vacuum nor the airflow are meaningful by
themselves -- a vacuum pump and a large desk fan would have better
individual ratings than a vacuum cleaner, but are useless at cleaning
floors.

In practice you cant have vacuum pressure and airflow at the same time.

Don't, whatever you do, ever consider flying. Go by bus instead, the
physics are far less complicated.


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