h a l f b a k e r yRecalculations place it at 0.4999.
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It won't be silenced, but at least much less noise than
the
usual vacuum cleaners:
Compressed air sent out onto rug or area to be cleaned,
and
then dust filled air is retrieved using a Venturi valve
(pump).
Some of the air could be sent upwards out of a wide
exit, in a
separate path
after the venturi valve, so that not all the
air is
"sent to the dust".
Filled during the night slowly, or using changeable
pressurized
air containers filled at the store, you'll get a quite
vacuuming
experience.
[link]
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1: Does the air traverse the rug explosively, or gradually like an air hockey table? |
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2: Now that several cats worth of hair is floating in the room above the rug, is the pump to dispose of this air located somewhere central in the room, or as part of an overlying device (like a vacuum cleaner). A central pump would be something like a house fan, I suppose? |
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