1. ## How do you figure out the cf of a sonotube?

well just like the title says how do i figure out the airspace inside of a sonotube?

2. ## Re: How do you figure out the cf of a sonotube?

area of a circle x height

= (pi * radius^2) x height

pi*r^2*h

4. ## Re: How do you figure out the cf of a sonotube?

ok after that how do i find the ft^3?

6. ## Re: How do you figure out the cf of a sonotube?

honestly people, is it that hard? I believe they taught us this in grade school...

7. ## Re: How do you figure out the cf of a sonotube?

If you cant do the math, fill it with packing peanuts then dump them into a square box and take your measurements.

8. ## Re: How do you figure out the cf of a sonotube?

Originally Posted by Railrocker
If you cant do the math, fill it with packing peanuts then dump them into a square box and take your measurements.
OK, but how do you figure ou the Cf of the square box?

9. ## Re: How do you figure out the cf of a sonotube?

Originally Posted by BrianChia
OK, but how do you figure ou the Cf of the square box?

Um...... Um....... I know this give me a minute........ Um.........

Ya know you probably have a point, if he cant do the math after being given the **** equation hes probably not going to run out and buy packing peanuts.

10. ## Re: How do you figure out the cf of a sonotube?

Originally Posted by ikpthegame
ok after that how do i find the ft^3?
OK the first thing you need to know is that there's 12 inches in a foot.

Once you grasp that, there are 12^2 sq. in. = 144 sq. inches in a square foot

If you can understand that then you'll see that there are 12^3 cu. in. = 1728 cu. in. in a cubic foot.

11. ## Re: How do you figure out the cf of a sonotube?

Originally Posted by BrianChia
OK the first thing you need to know is that there's 12 inches in a foot.

Once you grasp that, there are 12^2 sq. in. = 144 sq. inches in a square foot

If you can understand that then you'll see that there are 12^3 cu. in. = 1728 cu. in. in a cubic foot.
Yes, but what it do?

12. ## Re: How do you figure out the cf of a sonotube?

Lol it's called Volume....

I suggest you go back to grade school buddy, learn basic math all over again.

13. ## Re: How do you figure out the cf of a sonotube?

I guess there is always a need for garbage men... no need to go back to school; you're already qualified for that position!

14. ## Re: How do you figure out the cf of a sonotube?

Y'all are mean. Radius squared times pi times the height (IN INCHES) gives you the volume in cubic inches. Divide that by 1728 (one cubic foot) to get the volume in cubic feet.
Last edited by PV Audio; 01-10-2008 at 06:36 PM.

15. ## Re: How do you figure out the cf of a sonotube?

this thread gave me a good belly chuckle. thank you retarded OP

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