View Full Version : Port length... confused

06-15-2008, 09:07 PM
using winisd i get a different port lenght for 4 4" ports than i do for 1 8" port... why is this? Its the same port area...

06-15-2008, 09:09 PM

06-15-2008, 09:31 PM
well im using the stickied design a ported box thing and it says to get the port length in winisd then it tells me to add port displacement to the net volume to find the last side...

i wouldnt need to add the port displacement if winisd alreayd calculates it right?

**** im confusing myself

06-15-2008, 09:40 PM
and **** the port displacement for 4 4" at 4" lenght is the same as 1 8" at 4" lenght...