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Old 27th February 2010, 03:36 AM   #1
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Default part circle port calculation

I want to make one subwoofer from Tube. Want to make port in tube as shown in pic. But how to find the port surface area? This is required to calculate port length required.
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Old 27th February 2010, 04:01 AM   #2
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Old 27th February 2010, 06:08 AM   #3
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Thanks u very much planet 10.
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