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Old 02-14-2010, 03:12 PM
Tom Ask Tom Ask is offline
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Freeing Port Size

Does anyone have sizing equation for freeing ports. All I have is an old ISO equation related to deck area. Any insights would be helpful!
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Old 02-23-2010, 01:36 PM
SeaJay SeaJay is offline
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Tom,

I've been chasing similar info and came across this series of articles/letters in Professional Boatbuilder. I suggest reading in the order listed. This isn't a direct answer to your question, and I haven't reviewed/researched this material in detail, but I think it should give a point(s) of departure for further investigation.

http://www.proboat-digital.com/proboat/20080405/#pg122
http://www.proboat-digital.com/proboat/20080607/#pg6
http://www.proboat-digital.com/proboat/20080809/#pg6

Best Regards,

SeaJay
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Old 02-24-2010, 12:05 AM
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Ike Ike is offline
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ABYC has a standard for cockpit drains and scuppers which includes a standard for how quickly they have to drain the cockpit. Its H-4 Cockpit Drainage Systems. Www.abycinc.org
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Last edited by Ike : 02-24-2010 at 12:06 AM. Reason: I have to learn to type
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Old 02-27-2010, 07:04 PM
Tom Ask Tom Ask is offline
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Thanks for all your help, I received a DNV citation also.
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