Finding Exact Volume of odd shaped wall??

[WOT]

Im tearing out m setup real shortly and going with some 18's and a better electrical to handle this current monster I own. My current box is a pretty basic wall so finding volume was easy, this time, Im going to be fiberglassing the sides to conform to the car so its gonna have some ODD and un calculatable sides.

Its also going to be a wall so I cant exactly fill it with water or packing peanuts as the top will be one of the first things to go on, and the sub cutouts will be at the bottom of the box

How would you find the volume as close as possible?

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[RJesus 10+ year member]

Calculus.

Tell us the dimensions and shapes and we'll tell you how to calculate it.

 

[WOT]

Calculus and a tape measure couldnt do this, theres so many angles and pockets over my wheel wells and up the sides of my windows....

 

[rumblebee2 10+ year member]

packing peanuts i've heard. box big enough for 2x 18's though-lol. that's a lot of peanuts.

 

[galacticmonkey 5,000+ posts]

Just get a rough idea of box size. You should be able to estimate within a cube or two. Then build a port a litle bigger then you think you need. If its too big (box smaller than you thought), shrink it down mess with port length until it sounds the way you want it.

Knowing the exact cubic foot, port area, and tuning to the tenth isnt that important as long as the box performs. All these big Superstreet and Extreme vehicles... You would be hard pressed to find people who know the exact size of the box. All about testing until it plays right.

 

[Marlo Stanfield 10+ year member]

Just get a rough idea of box size. You should be able to estimate within a cube or two. Then build a port a litle bigger then you think you need. If its too big (box smaller than you thought), shrink it down mess with port length until it sounds the way you want it.
Knowing the exact cubic foot, port area, and tuning to the tenth isnt that important as long as the box performs. All these big Superstreet and Extreme vehicles... You would be hard pressed to find people who know the exact size of the box. All about testing until it plays right.

^^ This, got to it before i could... With a wall of that size then u can guesstimate the total ft3 and still up pretty accurate. And if you aren't satisfied with the tuning then you can adjust the port length to what you want. With walls it starts with a design and usually adjusts to whatever sounds best and gives your ideal results.

 

[WOT]

Oh ok that works I guess, I never really played around with the calc until now and noticed how little of a difference 1 cube makes in a 14 cube box. I can definetely nail it down to within a 1/2 cube or so, thanks peoples, I love ya