|Topic Review (Newest First)|
|09-23-2007 01:29 PM|
|Idiens||A wet'n'dry vacuum cleaner is a great way to get rid of those last drops.|
|09-23-2007 12:37 PM|
Yes, but a little water in the bilge, particularly salt water, helps lead to corrosion, mold, mildew, and a whole lot of other problems... so why would you want to deal with those when you don't have to.
Originally Posted by buddabelly View Post
|09-22-2007 12:37 AM|
Originally Posted by buddabelly View Post
|09-21-2007 02:04 PM|
So what if there's a little water in the bilge
It's a boat! If there's a little water in the bilge so what? That's what the bilge pump is for. I have a little water in my bilge, but not enough to to even pump out. If I did it would fill the hose and when i turned off the pump it would flow back into the bilge. You guys act like your boat going to sink if you have any water at all in the bilge.
|09-21-2007 10:54 AM|
Originally Posted by Giulietta View Post
|09-20-2007 02:40 AM|
Originally Posted by sailaway21 View Post
Before we go, I will install the following:
plugs for the limber holes to make the compartment truly watertight when under way.
A largish pump that exits via the sink very much like Alex's set up for the saloon/galley area. There is a stainless "pot" set into the keel that will do nicely for a mounting spot.
A head sump for the shower. This will have a small pump exiting into the head sink drain, but will be switchable with a manual, strum-box type pick-up teed into the Henderson pump on the head. Basically, the last five cm. will be slurped into the toilet and then out. This means the electric pump only deals with whatever happens during a shower to fill the sump, and doesn't pick up "residue".
I have a large capacity Patay manual diaphragm pump that I am going to mount under the pilothouse floor lending directly into the main bilge. Here's a picture (they are really decent manual pumps with a hell of a lot of lift):
Finally, I will put a diverter valve on my sea water intake hose (a mere 3/4", I think), so I can use the engine itself to help get water out until (or if) I can solve the problem. A cheap filter on the end of this should keep the impeller reasonably safe, and the raw water circuit is pretty straightforward, but frankly, if we are sinking, that is the least of my worries.
My old boat has a tiny (five litres?) sump forward of the mast that can fill with rain water if I don't drain it. I have rigged a diverter that uses garden hose teed into the Whale foot pump in the sink to get this out of the boat. Other than that, I have a Whale Gusher manual pump in the cockpit that serves the shallow aft bilge forward of the engine. It's getting tired and is probably due for replacement.
|09-20-2007 01:18 AM|
|sailingdog||Very true...and even a small hole is going to overwhelm most bilge pumps. Stopping or drastically reducing the inflow, as much as possible is definitely the first priority. If that isn't possible...all the pumps are going to do is let you sit on the boat a bit longer...then it'll sink.|
|09-20-2007 01:14 AM|
Relying on submerged batteries to work is a dicey proposition. I've seen 220 volts switches operating just fine under water, but that's a long way from saying that I'd rely on it happening. I profess some curiosity as to why more batteries are not bilge mounted in sealed boxes vented to atmosphere on deck. That would seem to solve all issues.
A note on limber holes. Aside from their propensity to plug with whatever debri is present they are usually too small to be truly effective and larger ones should be doubled to either side of the floor. A case can be made for not drilling limber holes, confining the water to where it's at, and pumping it from there. A 12volt pump mounted on a pole with alligator clips on the wiring ends makes a good portable pump.
As mentioned earlier, stopping the water ingress is far more important than pumping. Keeping even with the flow merely delays the inevitable-when the battery or arms die. Given limited resources, I'd tolerate bilges awash but stable sooner than just keeping up with the deluge.
|09-20-2007 12:25 AM|
Thanks for the history lesson, Robert. Interesting. One learns something new every day .
|09-19-2007 05:43 PM|
Originally Posted by SEMIJim View Post
At one time it was common in some parts of the world to have salt stops between the frames just under the deck on wood boats. These were loaded with rock salt. Any fresh water that got past the deck washed out some salt on its trip to the bilge. This kept all the wood below deck highly salted and pickled. I was Sailing Master on a British West Country Ketch and she was well over 100 years old when I joined her. All the wood in the bilge was pickled and hard as nails because she was so salted. I wouldn’t do this today because modern stainless is not as resistant to salt as the old puddle iron used in the really old sailing ships.
All the best,
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