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T&T: Steel fuel tank questions

From: Ken Tischler (no email)
Date: Sun Oct 03 2004 - 18:38:56 EDT

  • Next message: Ken Tischler: "T&T: Steel fuel tank questions...correction"

    First, a little background...

    We are currently looking at a 1980 49' Defever Pilothouse. My wife and I
    have gone over her thoroughly on two different occasions. Overall, she
    appears structurally and mechanically sound. The interior is worn and will
    need some updating, but the Admiral will enjoy the decorating challenge.
    However, on my last inspection I did find a problem with the fuel tanks.

    She has four saddle tanks. Sides and bottoms look great, but three of the
    four tanks have what appears to be fairly extensive rusting. The rust is
    extensive enough that the steel is scaling off in large chunks. The decks
    over the tanks were leaking at one time, but have been repaired and seem to
    be fine now.

    So, my questions are:

    Does anyone know the thickness of the steel used in these tanks?

    Is there a way to determine the thickness of the remaining good steel?

    Assuming there is enough of the plate left what is the best way to seal the
    tank tops to prevent further determination?

    If I have to pull the tanks, would it be less expensive to just have the
    tops cut off and new plates welded on, or replace the tanks altogether?

    We have not hired a surveyor yet, I wanted to check out things myself first.
    Been spending too much on surveyors over the last couple of months! I am
    considering trying to locate a surveyor willing to come and just check out
    the tank problem. Depending on what he tells me, then I will decide to
    continue with a full survey or just pass on the boat and continue my search.

    I should mention that since the boat was in the process of being repossessed
    by the bank, the price we negotiated was about $80K below what other 49'
    Defever's of this age are going for. So, I am willing to put some money into
    her, if necessary.

    Hmmm, what am I saying...if necessary?? Of course it will be necessary, this
    IS a boat, after all! ;)

    Thanks,

    Ken Tischler
    Tischler Computer Services

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