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Author Topic:   Revenge tank cover
Arriba posted 12-04-2001 05:17 PM ET (US)   Profile for Arriba   Send Email to Arriba  
I'm doing my winter work on my 1978 20ft Revenge and have taken the tank cover up. The tank is 40 gallons. If anyone does this be prepared, the cover is very heavy. The tank was not covered with foam, but rather with 1/4" sheets of foam mats. It was wet under the cover, mats were wet. I'm letting it dry out really well. The tank is OK and has shown no indications of problems. What does anyone suggest to put onto the top of the tank when I replace the cover. Are there any foam sealants that are waterproof? In one area I need something to expand, seal and be waterproof.
Jim Bennett posted 12-05-2001 12:45 AM ET (US)     Profile for Jim Bennett  Send Email to Jim Bennett     

Recently removed cover and 40 gal tank from 73 Outrage 21 I am restoring. Found lid and tank cavity similar to yours. Tank sits in fiberglass cavity with soggy foam pads underneath and hold down straps on top. Have purchased new tank from Florida Marine Tanks. Filled all screw holes in lid and matching holes in cavity rim with epoxy. Have installed PVC drain tube at rear of cavity to allow all water to drain into bilge. Going to put sealer like used on hatches around lid and just let heavy weight of lid hold it down. Believe it is fruitless to try and prevent water from getting into cavity. Either going to put strips of truck mud flaps underneath tank a la D McIntyre or maybe strips of the DeckMate squares for support and to allow water flow under tank.

Whaler4me posted 12-05-2001 10:31 AM ET (US)     Profile for Whaler4me  Send Email to Whaler4me     
Jim, this PVC drain tube you speak of, where does it run to, I know it runs from the tank cavity, but after that where does it go ?. I have a 19' outrage 1977. I think it is very similar to yours. Getting my tank from Florida marine tanks also. Good people and a good price.


Jim Bennett posted 12-06-2001 12:12 AM ET (US)     Profile for Jim Bennett  Send Email to Jim Bennett     

The 3/4" ID tube runs directly back through rear cavity wall into bilge area. I let it protrude about inch or so into bilge area. Expect to leave tube open all the time so any water that gets into cavity flows back into bilge. If you want to plug it just use $0.20 cap that slides over it and fits tightly.

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