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Old 07-09-2015, 06:58 AM   #21
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Scuppers are frequently used as hawse holes and light construction will suffer.

If replacement is required be sure you can pass a dock line with an eye splice , and most important that the outside edge has a very soft and radiused corners.

MUCH harder to find , and install, but wont eat the dock lines.
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Old 07-09-2015, 09:47 AM   #22
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On our CHB the scuppers (5 on each side) are an integral part of the hull mold.....if you have access, we have storage under the side decks...you may not, open the under deck storage area doors (in salon) and look up....you will see that they are not just inserted. From your pics it looks like the PO used the scupper as a hawse hole....been tempted several times to do that myself....glad I decided otherwise.
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Old 07-09-2015, 10:05 AM   #23
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Better pic of ours from the inside .
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Old 07-09-2015, 10:08 AM   #24
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And outside .Not real purdy but they drain good .
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Old 07-09-2015, 12:28 PM   #25
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Hello 34, go to Martin Marine in North Van, the last time I looked they had plenty of bronze hawse holes and I think also some Chrome. They are likely the kind you want. You can always paint them if they need to be white.
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Old 07-11-2015, 03:39 PM   #26
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Originally Posted by AusCan View Post
...
Like most boats, (including mine), your cockpit drainage is probably too small to meet ABYC standards. They call for sizing to allow drainage of a full cockpit full of water in 90 seconds.
I have two 2x6" scuppers in the cockpit of my KK54. Somehow they didn't seem big enough to drain a full cockpit in 90 seconds. So I turned to the internet to find the formula for flow through an orifice. Guess what? My rough calcs show that it will drain in around 90 seconds. I guess they knew what they were doing when they designed the boat

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Old 07-11-2015, 06:31 PM   #27
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I guess they knew what they were doing when they designed the boat
I sure hope that's the case on my boat as the scuppers look pretty small to empty the cockpit in 90 seconds. Of course I can open the transom & side doors and things will happen a lot faster.
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Old 07-30-2015, 12:57 AM   #28
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I sure hope that's the case on my boat as the scuppers look pretty small to empty the cockpit in 90 seconds. Of course I can open the transom & side doors and things will happen a lot faster.

This is one of those things where bigger is always better!
Running around in the cockpit opening doors is the last thing you want to be doing under the conditions (very stormy seas) that caused the flooding.
I have had the dubious pleasure while working as a deckhand on a sportfishing yacht, the scuppers looked adequate, quite likely made the spec, but were useless due to jamming with ropes, fishing gear, t-shirts, and trash, basically everything loose that doesn't float tries to get out of the scuppers.
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