There are many possible causes of water
in the Mahé, except for the rubbing rail things mentioned. We have some experience......
First step is to taste the water!
in the bilge
- Shower water leaks
behind the plastic door under the wash basin in the heads.
- Water around the wash basin flows under the cover for the holding tank
and drops down there
- The caulking around the hoses of the heads can be leaking. When you clean the heads with the shower, as is our custom, water flowed down the outside of the hoses.
- The seal under the kitchen wash basin can be loose or shifted.
- We have had a bad O-ring in the bathroom. This is between the bathroom tap body and the connection hose. Like with other water-system leaks
, the water pump will run at unexpected moments. We got a lot of water in the hull! The hot water O-ring was broken, snapped; I replace it with a Viton (fluorine rubber) O-ring, this one can handle higher temperatures; I suspected the broken O-ring was due to the hot water temperature
- Last one: condensation
water runs down on the inside of the hull into the bilge
, thanks to our lovely North-European climate.
in the bilge:
- Waves slamming the bridgedeck might get pushed into the hoses of the bilge pump
. I installed one way valves there. To my regret this did not solve the problem, there was another cause.
- Waves hitting the hole in the anchor locker
for the anchor
chain will enter into the anchor locker
, and spray will get into the water tank area. From there it will flow down into the bilge.
- The O-ring on the depth/speed sensor can leak. I put something called Magic Lube on both seals
, this is a kind of teflon vaseline.
- The clips on the head
seawater hose were never re-tightened after we bought the ship. We came aboard the ship once, after a month or so, and there was 10 cm of brownish water (river, not salty) in the starboard hull. It had not yet reached the floorboards, to our luck.
Water into the engine
room: taste whether it's sweet or seawater!
- High temperature of the boiler (calorifier) will lead to water being pushed out through the safety
- The hose ties, that were tight when the ship was new, were never re-tightened. Seawater or drinking water
- Water (seawater or when washing
the ship) gets around the seal of the engine
hatches. Sit inside, close the hatch
, and see whether you see light from outside. Let somebody spray the hatch
, and look what enters. Improve the seal.
- The seal on the small winterizing cap on the grey plastic exhaust
box tends to leak
- The seawater seal on the seawater pump of the engine can start to leak.
Water in the bows:
This one I heard from Fountaine Pajot, we didn't have it but it happened on some ships.
Where the deck
and hull meet at the front, on the inside of the hull, there is the point where the horizontal joint under the trampoline meets the vertical caulked joint which runs over the bow.
At that point caulking has in some cases been done insufficiently. Check from the inside with a torch, you might see salt water
traces in that case.
I think we have had most of these at some moment. Just check it often, and play detective: did it rain? Did you have a rough sea? Did you wash the ship? Always try to find it, do not accept ANY water in the ship.
First step would be to check all hose clips, it's the cheapest step in excluding causes.
Keep you bilges dry, so the labels on your wine bottles do not detach!
Oh yes, when you dry the bilge, water might stay behind in the aft part of the bilge which you can not reach it. As soon as you sail, that water might flow forward, leading you to think the problem is not solved
, while it actually is!