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Old 09-01-2013, 09:18 PM
H2ORidr H2ORidr is offline
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Join Date: Aug 2013
Boat: 2007 X14
Location: St. Paul
Posts: 677
Originally Posted by markmcfarland View Post
There is another thread on here that says what this is called. It is something like "the vermillion effect". I know that's not the right word but its something like that.
I may be wrong but I believe it is the venturi affect.

We use venturi vacuums in the lab back in my grad school days. Each sink has a nozzle that narrowed down to about 1/4" diameter and attached to the side about 4" up was a side adapter for a hose. You could get some really strong vacuums on that side hose with the water running through the faucet full out.
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