
04/23/2012 08:37:52 AM
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tbbaker01
Member

Posts: 44
Joined: 05/26/2006
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On my Gibson's starboard bow hatch drain about half way down the line there is a "t" adapter with another line (about 1/2 in diameter) tied into the hatch drain line. I've traced the line and it follows just to the inside front starboard side of the boat and goes into the ceiling. From there I'm not sure where it goes, but I don't have anything on the roof requiring a drain. Any clues? Is it a vent line for the hatch drain (or is that even necessary as there is no "T" in the port hatch drain)? Any thought as to what it could be would be helpful.
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1990 36' Gibson Lake Monroe Bloomington, IN
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04/23/2012 04:24:21 PM
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42gibson
Member

Posts: 144
Joined: 11/19/2010
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there are no t's or vents on mine. do you have a roof air? maybe its a drain line for it
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1991 gibson 44 executive 454's norwich,ohio docked on the good ole ohio river in marietta
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04/23/2012 05:23:12 PM
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Dan
Member

Posts: 132
Joined: 07/10/2008
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Possibly sink drain from lower head, if you have one? Water tank over flow? Shower pump over? It wouldn't need a vent as the entry would serve as ventilation. I will see if mine has one this weekend.
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Dan Lake Monroe Bloomington, IN 1986 Gibson 50' Twin 454's
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04/24/2012 10:45:07 AM
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BananaTom
Admiral

Posts: 968
Joined: 12/05/2006
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My Gibson had a builtin container on the upper helm. It had a drain in it, and no line leaving it. I always thought of running a drain line from there, so I could use it as an ice chest.
Maybe you have the same type of compartment, with the drain line. Mine was on the starboard side of the upper helm.
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Banana Tom
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04/30/2012 04:11:38 PM
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Dan
Member

Posts: 132
Joined: 07/10/2008
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I checked mine, sorry but it doesn't have anything coming into it.
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Dan Lake Monroe Bloomington, IN 1986 Gibson 50' Twin 454's
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04/30/2012 04:12:16 PM
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Dan
Member

Posts: 132
Joined: 07/10/2008
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I checked mine, sorry but it doesn't have anything coming into it.
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Dan Lake Monroe Bloomington, IN 1986 Gibson 50' Twin 454's
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04/30/2012 04:49:16 PM
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TonyB
Admiral

Posts: 218
Joined: 09/05/2011
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Take Dan's word for it, he double checked.
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Never wrecked a boat while awake or sober
Kemah, Tx. - Galveston Bay
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05/04/2012 06:23:08 AM
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42gibson
Member

Posts: 144
Joined: 11/19/2010
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did you ever find out what it was ?
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1991 gibson 44 executive 454's norwich,ohio docked on the good ole ohio river in marietta
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05/22/2012 10:40:54 AM
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tbbaker01
Member

Posts: 44
Joined: 05/26/2006
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I haven't gotten a chance to check into it anymore.
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1990 36' Gibson Lake Monroe Bloomington, IN
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