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Old 07-30-2007, 11:08 AM   #15
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Originally Posted by crazycol View Post
I was always puzzled as to why I had a water tank inside my keel with a drain plug in the keel sides but no way to fill the damn thing. After reading the comments submitted I now realise that my boat must have originally been setup to have a keel based closed water system to cool the engine but somewhere along the oceans it must have beem replaced with a salt water system. Wish I had known as i would have changed it back.
Just a thought now that water-ballast for yachts seems to be coming into vogue; why not combine water-ballast and water-cooling? IMHO, getting rid of salt-water from the engine, irrespective if it is primary or secondary cooling, would be of great benefit for the engine and we would also loose a salt-water intake and the risks involved with it.

Taking my engine as an example, a Perkins M20, 18 HP; has anyone any idea how much water would be required to have on-board to cool the engine assuming the water to be in bilge/keel tanks with an max. ambient sea temperature of 28 degrees Celcius?

On the other hand, water-cooled exhausts are very usual and quieter than dry exhausts. Always a compromise isn't it?

Aye

Stephen
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Old 07-30-2007, 11:21 PM   #16
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1. Just got back from Port Hardy, BC. Beautiful 53' SV sitting on blocks. Hit a rock 20 miles out, sitting keeless in P. Hardy. Not mangled or damaged, GONE. It was still there after a week of fishing. Is that fixable?

Everything is fixable. It just depends on how much you want to spend. Replacing a keel and repairing the hull may be economically viable, or it may not, depending on the exent of the damage.

2. This is the second year in a row there is a keel damaged boat in P. Hardy. Tricky to Navigate or bad luck?

No idea

3. I am endlessly fascinated by looking at adds for Sailboats.

a. How does one know his standing rigging needs replaced? A lot of adds boast of new standing rigging.

The simple answer is that it needs replaced before it breaks! When that will be seems to be a matter for endless debate. Most people agree that 10 years is about as long as youwould wat to go before replacing standing rigging. Some people would say 8 years. Some of the shrouds on my boat are 12 years old, and I plan to replace them in the next 1 - 2 years, but I have sailed offshore in bad conditions on boats with older.

Insurance companys will generally not insure your mast if the rigging is older than 12 years.


b. I really like the large berths in the stern in Center Cockpit sailboats? Is there anything I should know about CC SV before I get to far along in the bonding process?

I have used both. I actually prefer aft cockpit and quarter berths to centre cockpit and aft berths, but I really do think it is a matter of personal preferance. There are advantages & disadvantages to both

c. Fresh water cooled engines. That sounds pretty good not have sea water running through my diesel, issue non issue?

The general consensus is that fresh water cooled is better, however there are plenty of boats out there with raw-water cooled engines. If you have the choce, go for fresh water cooled, but it doesn't have to be a deal breaker.

4. Do you guys have life rafts, survival H2O makers, EPIRB's?

I Don't have a watermaker. I do have an EPIRB. I do have a liferaft, but I service it myself, so it is not officially "in service".
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