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<blockquote data-quote="bgowdy" data-source="post: 8263111" data-attributes="member: 632121">Ok this gets kind of annoys me. Everytime i think i figure something out, i read something that completely throws a wrench into plan lol.But anyway... To the port. When im trying to figure out amount of port i need(the square inches of port per cube), do i base the amount of port off of the gross internal volume or what?When you come up with the outer dimensions for the enclosure, Example-L x W x H = gross volume internal. When i look at my dimensions and try and figure out how many &quot;square inches of port per cube&quot; that i want. Do i divide the total square inches of the port(EX- 1-12&quot; aeroport equals 113.04sqin&#039;s) by the gross internal volume(EX- 11.07 cubes internal ***berfore displacement***) to figure the amount of square inches of port per cube(EX- 113.04 / 11.07 = 10.21 sqin^3 per cube)? is this the correct way to look at it, or do you divide by the internal net volume(***after displacement***)? (EX- 113.04 /&nbsp; 9.85 = 11.48 sqin^3 per cube)which way is correct??????hope this isnt to confusing,thanks,</blockquote>

[QUOTE="bgowdy, post: 8263111, member: 632121"] Ok this gets kind of annoys me. Everytime i think i figure something out, i read something that completely throws a wrench into plan lol. But anyway... To the port. When im trying to figure out amount of port i need(the square inches of port per cube), do i base the amount of port off of the gross internal volume or what? When you come up with the outer dimensions for the enclosure, Example-L x W x H = gross volume internal. When i look at my dimensions and try and figure out how many "square inches of port per cube" that i want. Do i divide the total square inches of the port(EX- 1-12" aeroport equals 113.04sqin's) by the gross internal volume(EX- 11.07 cubes internal [B]***berfore displacement***[/B]) to figure the amount of square inches of port per cube(EX- 113.04 / 11.07 = 10.21 sqin^3 per cube)? is this the correct way to look at it, or do you divide by the internal net volume([B]***after displacement***[/B])? (EX- 113.04 / 9.85 = 11.48 sqin^3 per cube) which way is correct?????? hope this isnt to confusing, thanks, [/QUOTE]

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