Water in the Bilge - Page 2 - SailNet Community
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post #11 of 18 Old 08-13-2017
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Re: Water in the Bilge

Always be concerned about unexplained water in the bilge.

Its virtually impossible to build a boat with zero leaks new from the manufacturer.

Every submarine in the US Navy leaks and they are almost constantly pumping unwanted water out of the bilge. They trace where it came from and evaluate if its something that needs to be fixed or is even possible to fix.

If there is a way for water to get into your boat, the water will find it.
You need to find where it came from and fix what is practical to fix.
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post #12 of 18 Old 08-13-2017
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Re: Water in the Bilge

Big difference between a boat with a keel stepped mast and one that is deck stepped. My previous boat was deck stepped and the bilge was always bone dry. Current boat is keel stepped and there is always a little water in the bilge. It's a function of the penetrations in the mast for lines to enter and exit and how well the mast boot is sealing the hole in the deck for the mast. After every heavy rainstorm I seem to get a quart or two of water in the bilge. If there's more than that, or water is coming in when it hasn't rained, I know something is wrong.

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post #13 of 18 Old 08-13-2017
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Re: Water in the Bilge

This is not hard to figure out... there are only a few categories of causes of the water:

Leaks: seals on hatches, ports, deck hardware, stuffing box,
fresh water system leaks... cracks in hose, loose clamps, cracks in tanks
seacocks and thru hulls - faulty not sealed well an d hoses connected to them
Toilet.. seals and gasket faults
keel stepped masts - always allow water in even when the partners are well sealed
Engine hoses or cooling system leaks

I'd bet its from rainwater getting in via the mast if the boats been on the hard.

Shiva is deck stepped and her bilges bone dry except for a bit under the PSS shaft seal. Has there been water in her bilges? yes from various items at various times from above.... except the mast.

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post #14 of 18 Old 08-13-2017
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Re: Water in the Bilge

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Originally Posted by SanderO View Post
This is not hard to figure out... there are only a few categories of causes of the water:

Leaks: seals on hatches, ports, deck hardware, stuffing box,
fresh water system leaks... cracks in hose, loose clamps, cracks in tanks
seacocks and thru hulls - faulty not sealed well an d hoses connected to them
Toilet.. seals and gasket faults
keel stepped masts - always allow water in even when the partners are well sealed
Engine hoses or cooling system leaks

I'd bet its from rainwater getting in via the mast if the boats been on the hard.

Shiva is deck stepped and her bilges bone dry except for a bit under the PSS shaft seal. Has there been water in her bilges? yes from various items at various times from above.... except the mast.
You might also want to check for raw water leaks while the engine is running. We had a raw water pump seal fail while motoring and it dumped enough water to activate the bilge pump. We simply shut off the raw water at the thru hull when at anchor or while sailing until we got back home--just got to remember to open that valve before motoring up the channel.
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post #15 of 18 Old 08-13-2017
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Re: Water in the Bilge

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Originally Posted by fallard View Post
You might also want to check for raw water leaks while the engine is running. We had a raw water pump seal fail while motoring and it dumped enough water to activate the bilge pump. We simply shut off the raw water at the thru hull when at anchor or while sailing until we got back home--just got to remember to open that valve before motoring up the channel.
Thanks.... running engine produces pressurized water... but static water in the engine water system can STILL leak... only slower.
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post #16 of 18 Old 08-13-2017
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Re: Water in the Bilge

Boat life gets a LOT easier once you accept that the bilge always has some water in it

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post #17 of 18 Old 08-13-2017
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Re: Water in the Bilge

My old friend Dave Verillo learned to sleep on his stomach with a hand on the floor board as a high water alarm . Dave was pretty mellow.
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post #18 of 18 Old 08-23-2017
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Re: Water in the Bilge

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Originally Posted by roadkill View Post
Yesterday I took a first look at few older CS boats ('80 vintage), two of the boats that are in the water had standing water in the bilge, is this normal? I think I was expecting it to be dry.
If you are looking at a CS-27, then the mast is deck stepped, so that would not be the source of water in the bilge. It can come in from various, but good idea to find out where. Run the engine and make sure it is not coming from the shaft packing gland or elsewhere on engine.
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