ive searched for hours

[SmokeyDog 10+ year member]

i look and look and i can find anyone know the are of a 4 inch round port ?

and if you have a round port you want to have the same, more, or less port area?

building a box with round ports 9.05 cubic feet after all displacement not includeing ports. thinking 6 4'' ports 12 3/4'' long, half in box half out.

or

8 4'' ports 17 3/4 long depending on port area needs

i going to use pvc pipe if i can find bigger dim pipe ill get it but 4 is the biggest ive found. i figure ill flare them on both ends, note the extra 1/4inch for flare. or close to it.

new box is being started tomorrow, i made a mock up of the box anf this one fits so i am good

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[Marlo Stanfield 10+ year member]

i look and look and i can find anyone know the are of a 4 inch round port ?and if you have a round port you want to have the same, more, or less port area?

building a box with round ports 9.05 cubic feet after all displacement not includeing ports. thinking 6 4'' ports 12 3/4'' long, half in box half out.

or

8 4'' ports 17 3/4 long depending on port area needs

i going to use pvc pipe if i can find bigger dim pipe ill get it but 4 is the biggest ive found. i figure ill flare them on both ends, note the extra 1/4inch for flare. or close to it.

new box is being started tomorrow, i made a mock up of the box anf this one fits so i am good

Huh?? //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

 

[DBfan187 5,000+ posts]

I have traveled 500 miles to give you my seed!

 

[hornedfrog1985 5,000+ posts]

//content.invisioncic.com/y282845/emoticons/search.gif.e79a63b2b580b39b282dff402646b704.gif

7ender has a formula.

 

[Canaan 10+ year member]

pi x R^2 = area

 

[SmokeyDog 10+ year member]

Huh?? //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

how much area dose a 4'' round port take up, as in port area

I have traveled 500 miles to give you my seed!

thanks "I think"

//content.invisioncic.com/y282845/emoticons/search.gif.e79a63b2b580b39b282dff402646b704.gif
7ender has a formula.

thats a person right?

i guessing that a round port is the same as a sq 4x4. but theres some of that sq missing so i figureing 15sq inch for port area instead of 16'', but i dont knoe

 

[SmokeyDog 10+ year member]

pi x R^2 = area

i ****** at math

pi=3.1428 ??

R= radius

so 3.14159 * 4 / 2

 

[DBfan187 5,000+ posts]

You're welcome!

 

[SmokeyDog 10+ year member]

thanks everyone

 

[moneyman6891]

i ****** at math pi=3.1428 ??

R= radius

so 3.14159 * 4 / 2

R should be 2, radius is half the diameter.

 

[Canaan 10+ year member]

Area of a 4" (id) tube is 12.56sq inches.