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Converting a round port to a slot port.
Calculate the are of the round port(s) being used, then use the square root
function of your calculator to get the interior dimensions of the equivalent
square port. The length (or depth) of the slot port will be the same as that
of the round port
To calculate area: (Area is a two dimensional measurement)
Area = π r²
A
Area Port
(4.5")
r (2.25")
r (2.25")
A (4.5) Port
π(3.14) * r(2.25) * r(2.25) = 15.9
1.5"
10.6 x 1.5=15.9
Slot Port
10.6"
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