Helpful to those designing an angled box.

[DejaWiz 5,000+ posts]

Found this volume calculator.

http://grapevine.abe.msstate.edu/~fto/tools/vol/pyramidlong.html

Anyone have any others to post?

Click to read more...

 

[jdawg 5,000+ posts]

fail geometry?

 

[ultimate157 5,000+ posts]

Just apply (b1+b2)/2 for length AND width ...

 

[DejaWiz 5,000+ posts]

fail geometry?

No I didn't. But there are many out there that might just find a tool like this useful to make the job easier. If we can keep 1 person from buying a prefab shitbox, then that's 1 saved soul.

 

[j3bus2k3 5,000+ posts]

why not just add the volume of the rectangle to the volume of the triangle(s)...?

 

[DejaWiz 5,000+ posts]

why not just add the volume of the rectangle to the volume of the triangle(s)...?

As easy as that may be for us to do, there are those out there that either a.) don't understand how to do it, or b.) to lazy to break out a piece of paper and do the calculations. Which is why I posted the calculator to help others out.

 

[Rich B 5,000+ posts]

I like the one on this page better because it also asks for the thickness of the wood you will be using.

http://www.the12volt.com/caraudio/boxcalcs.asp

Middle of the page, titled "Volume Calculator - Wedge Enclosures 1" and "Volume Calculator - Wedge Enclosures 2".

 

[ultimate157 5,000+ posts]

why not just add the volume of the rectangle to the volume of the triangle(s)...?

That's much harder than doing (w1/w2)/2 * height * (b1/b2)/2

 

[DejaWiz 5,000+ posts]

That's much harder than doing (w1/w2)/2 * height * (b1/b2)/2

And that's true!

 

[Immacomputer 10+ year member]

Call me old fashioned, but I refuse to use any of those random calculators. I would much rather use my geometry skills and knowledge of how I will build my enclosure than just putting in random numbers and trusting them.

 

[yacob.naif 10+ year member]

Ya, i tried using the calculator programs to design a box, but without fail, every program told me different dimensions, and different port lengths.

It's more work to figure out whether the calculations are correct, and what displacements they're deducting, then to figure it out for yourself.

 

[DejaWiz 5,000+ posts]

It's more work to figure out whether the calculations are correct, and what displacements they're deducting, then to figure it out for yourself.

I agree. Although a calculator can be helpful when undergoing the foundational process of a box design. Roughly X dimensions will yield roughly Y volume.