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The internet can!

Posted by Jason on March 3rd, 2002 01:55 PM
In reply to Who can do the math! by Jason on March 3rd, 2002 12:57 PM [Go to top of thread]

Greetings All,

How could I forget!

pi R squared

pi= 3.141592
R = the radis of the circle (half the width)

Hence, 3.141592 X 3" = 9.424776

squared = 18.849552

X 12 = 226.19 square inches of area at the exhaust.

You have 192 square inches of area at the supply.

If I have done this right, I do not see how you can get any force in this situation without dampers to cut back the exhaust to supply ratio.

If I am wrong, (I did go to public schools), I'm sure the whole world will let me know.

Again, Good luck,

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