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  water in hull--what to do?

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Author Topic:   water in hull--what to do?
will posted 07-09-2001 09:02 AM ET (US)   Profile for will  
I have a 1991 '19 outrage, while cleaning it this weekend I removed the hatches on the deck to find water (not much) inside the hull. There are no cracks or holes in the gelcoat that I can find. Where is this water coming from and should I be worried? I used large sponge to get it out and I was able to get most of it. (>1/2 gal.) Also, there is condensation on the inside of the sight glass to my fuel guage. Any insight would be much appreciated.
Bigshot posted 07-09-2001 10:26 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Guage fog is VERY common, turn your lights on. As for the water was there foam in that area? If not, do not worry. Water logged foam is the big concern.
Tom W Clark posted 07-09-2001 10:41 AM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
will,

If your '91 is similar to the original 18's like mine then the water you found under the deck is bilge water. Perfectly normal. Remember the area in the tunnels and around the fuel tank is all connected to the sump in the stern and is, in fact, part of the bilge. The fuel tank has foam around it to secure it but this is not part of the foam on the inside of the hull. No need to worry about it absorbing water.

There is more volume down there then most realize. This is one reason why I never left the boat in the water without the drain plug in. Although the deck will self drain , the bilge will not and I don't like the idea of marine growth in the tunnels and around the fuel tank. It also made it much harder to get the boat up on plane because a lot of water had to drain out of the bilge once the boat got moving.

You say the condensation is on the inside of the fuel gauge? If this is true you should probably replace it. Most of the time the condensation you see is on the under side of the deck pry-out that covers the fuel gauge. This condensation will always be present and is why the gauge itself is mounted on a spring which keeps it in contact with the pry-out. Check to see if the gauge does, in fact, spring back when you depress it with you finger.

will posted 07-09-2001 11:48 AM ET (US)     Profile for will    
thanks guys. Tom, the condensation is forming on the inside of the plexiglass pop-out hatch and not in the fuel guage itself. The thing that concerns me is that the hull has no way to drain out. I intend to use my shop vac and try get as much of the water out as possible. I was thinking that I should replace the O-rings around all of the hatches or maybe caulk around them. What do you think of that? I read all of the horror stories on this site about wet foam and that is my main concern. My boat does not behave like it is heavier than normal. It has a 130 Yamaha and runs very well. Thanks again.
Tom W Clark posted 07-09-2001 11:43 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
will,

Relax. Everything sounds normal to me. The water does have a way out and that is via the drain plug or bilge pump in the sump. The hatches have nothing (or little) to do with the water down there. There will always be some residual water in the bilge. Will not come into contact with internal foam. The foam in the hull is not like a sponge anyway.

Replacing the o-rings on the pry-outs is not a bad idea in general, but it will not stop the water from being down there. If you do replace them, grease the o-rings well when you reinstall.

The condensation on the underside of the pry-out is to be expected, And as I said, the gauge needs to make contact with it in order to be seen clearly.

Tom W Clark posted 07-09-2001 11:44 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
will,

Relax. Everything sounds normal to me. The water does have a way out and that is via the drain plug or bilge pump in the sump. The hatches have nothing (or little) to do with the water down there. There will always be some residual water in the bilge. Will not come into contact with internal foam. The foam in the hull is not like a sponge anyway.

Replacing the o-rings on the pry-outs is not a bad idea in general, but it will not stop the water from being down there. If you do replace them, grease the o-rings well when you reinstall.

The condensation on the underside of the pry-out is to be expected, And as I said, the gauge needs to make contact with it in order to be seen clearly.

ChrisK posted 07-10-2001 06:45 PM ET (US)     Profile for ChrisK  Send Email to ChrisK     
Will/Tom,

I have seen the same thing in my Outrage when we stop to fish. Water seems to collect in there even after I have pumped it out of the bilge. Do you think the drain plug hole could be letting water into the bilge or could it be from another area of the boat?

Will, also curious about how that boat does with the 130 Yamaha. I love that engine and have often wondered if it would be more suitable for a 19 Outrage than the heavier V6 150 that I have. Let me know what your cruise, top speed, RPM's at each, etc are, if you don't mind.

I once heard that that engine put out 150 hp at the prop from a dealer, but don't know if that is true.

lhg posted 07-10-2001 08:30 PM ET (US)     Profile for lhg    
A freind sold a 1991 18/19' Outrage a year ago with a 130HP Yamaha on it. It was a very nice engine and the boat would do about 42mph. Had all the power most would need on an 18 Outrage.

Will, you're not in Harbor Springs, Michigan are you?

will posted 07-11-2001 08:13 AM ET (US)     Profile for will    
ChrisK--The 130 Yamaha does great and seem to be pretty easy on the gas. The boat is very new to me (Last December and it is in VA. and I am in MD.) and I do not have my GPS hooked up so I don't know about speed yet. 4300 RPM seems to be the perfect level to give the boat good speed (I am guessing mid 30's mph) and the right plane in most conditions. A friend has a mid-80's 18 with a 140 OMC and I bet I could run circles around him. I think it is a great set up. The hull and the motor are both 1991 models.

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