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Old 08-05-2013, 07:11 PM   #5 (permalink)
aerohead
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pinching off your flow

Quote:
Originally Posted by wolydotmatrix View Post
I would recommend you search GOOGLE Images for 'vena contracta 'n see if you wouldn't want to do one,single,larger,properly radiused opening to bring the air in.In actuality the available opening for the air to enter is much smaller than what the eye can see.
Those square-edged holes have the highest drag measurable and are working against you.
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