It will vent air ..... ONCE!
But, all subsequent dives attempts with a wet deck the air will not be able to escape the superstructure. Water surface tension will bridge those long, narrow slots with water and the deck won't vent through the slots when you flood the SD.
Therefore, you are compelled to open up big (no smaller than 1/8" diameter) holes in the deck to vent the hull adequately.
Water won't scale for you -- there's an apparent viscosity increase with reduction of model size. Hello, Doctor Reynolds!
I have spoken! So let it be written! (insert crack-of-thunder sound here).
David
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