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Author Topic:   How's my hull

bloller posted 07-02-2003 11:54 PM ET (US)
Just repowered my 87 montauk with a new Yamaha 70HP and now my attention has shifted to the condition of the hull. Have heard a lot about blown drain tubes. How common is this and does it only become a problem in boats which spend most of their time in the water? Also, Much of the keel on my boat has worn down to the fiberglass. One spot in particular seems to be absorbing water as I have noticed water around it long after the rest of the bottom has become dry. How should I go about repairing this damage or should I just relax and expect many more years of enjoyment from my whaler
jimh posted 07-03-2003 08:41 PM ET (US)
From reports given here, it appears that corrosion and damage to the brass drain tubes in the hulls is quite common in Boston Whaler boats that are left in the water, particularly in salt water.
Damage to the gel coat layer which permits the laminate structure of the boat to come into contact with water, especially when such damage is below the waterline and even worse when below the running waterline, should be repaired immediately in order to avoid intrusion of water into the interior of the Unibond hull.
There are several articles in the REFERENCE section about how to make repairs. Therefore I will not attempt to explain the process of repair but instead refer you to these articles.
If you take no action your hull will tend to absorb water. It is very difficult to remove water from a Unibond hull once it has gained entrance. It is far easier to prevent its entry in the first place by making timely repair to any damage.

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Author	Topic: How's my hull
bloller	posted 07-02-2003 11:54 PM ET (US) Just repowered my 87 montauk with a new Yamaha 70HP and now my attention has shifted to the condition of the hull. Have heard a lot about blown drain tubes. How common is this and does it only become a problem in boats which spend most of their time in the water? Also, Much of the keel on my boat has worn down to the fiberglass. One spot in particular seems to be absorbing water as I have noticed water around it long after the rest of the bottom has become dry. How should I go about repairing this damage or should I just relax and expect many more years of enjoyment from my whaler
jimh	posted 07-03-2003 08:41 PM ET (US) From reports given here, it appears that corrosion and damage to the brass drain tubes in the hulls is quite common in Boston Whaler boats that are left in the water, particularly in salt water. Damage to the gel coat layer which permits the laminate structure of the boat to come into contact with water, especially when such damage is below the waterline and even worse when below the running waterline, should be repaired immediately in order to avoid intrusion of water into the interior of the Unibond hull. There are several articles in the REFERENCE section about how to make repairs. Therefore I will not attempt to explain the process of repair but instead refer you to these articles. If you take no action your hull will tend to absorb water. It is very difficult to remove water from a Unibond hull once it has gained entrance. It is far easier to prevent its entry in the first place by making timely repair to any damage.