COCKPIT DRAINAGE

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Gene
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Joined: Fri Feb 13, 2009 7:54 am
Location: "Tri Again" Plash Island, AL
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COCKPIT DRAINAGE

Post by Gene »

Those of us with early boats suffer from really poor cockpit drainage. On the starboard side I have one drain at the extreme rear of the cockpit, which goes directly overboard to the side. Works fine! On the port side the drain is in the middle, under the motor controls. I suppose they did this so as not to interfere with the motor "sled." Result: engine causes boat to "settle" to port, 1-2" standing water after a rain, when it dries a big mess of dirt. Solution??? Would a drain at the rear of cockpit, draining to back of gas/steerage locker work? It is open to the sea after all... Certainly the further aft the better... Your thoughts????
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Plash Island, AL
USA
Michael McDonald
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Joined: Mon Oct 14, 2013 1:58 pm
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Re: COCKPIT DRAINAGE

Post by Michael McDonald »

I have just come across this old posting and
Thought that I would add a comment
We have a Mk2 No 119 and it has cockpit drains
Which exit well below the waterline.
The port drain exits on the starboard side and visa versa
The skin fittings are valved off at the end of the drain lines
So it is reasonably secure.

I do not like this as a concept but some people
Suggest that crossing the drain lines is an established
Practice on low freeboard boats

I have seen some Mk2s with direct drains through
The cockpit sidewall just above the waterline
This direct solution appeals to me as I do not
Want to leave the boat on a mooring with the
Seacocks open.
I was considering bringing the two existing drains
Aft into the rear locker and connecting both to one
Larger skin fitting and also fitting a direct cockpit drain
Or scupper which would drain the cockpit without
Risk while the boat was on a mooring
This would be one valved underwater drainage
System while underway which was isolated on a mooring
And a separate scupper from the cockpit when
The boat is unmanned.
You probably never get more than a few inches
Of rain into the cockpit but it collects from the
Surrounding decks and could build up.
I would welcome any suggestions as to what
Works best in practice.
Hull52
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Joined: Sat Aug 09, 2014 4:43 pm
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Re: COCKPIT DRAINAGE

Post by Hull52 »

I have the center cockpit drain that exits in a hole below the water line in the Cabin. I am keeping it, but I have removed any obstructions and I am replacing the brass valve with a Marelon valve that should be easy to close in a pinch. I am seriously considering putting side drains/scuppers above the water line. I think a fitting in the cockpit, a thru hull fitting for the discharge and a short piece of hose to connect the two. I would like no bends if possible.
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