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Thread: USS Iowa BB-61 News

  1. #46
    Contributor Battleship IOWA's Avatar
    Join Date
    09 Dec 13
    San Pedro, Ca
    There has been a lot of talk in the museum ship world and on this forum about hull preservation.
    Here is what the Iowa is doing about it.

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    We came up with a coffer dam system to help maintain the most vulnerable part of the hull the waterline/splash line.
    Because of the weight of the dam it was decided to add 55 gallon drums for buoyancy. It was thought that it would reduce the stress on the welds holding the pad eyes to the ship.

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    On the left is the pad eye welded to the hull. A rubber gasket is used between the dam and the hull.
    The dam also has a sump and pump to keep the crew dry.
    You can really see how much more damage is done above the water line.

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    As you can see some of the holes are deep!

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    On the left is the first section to be needle gunned and painted.
    I have a feeling that this dam will continually circle the ship for many years to come.
    Craig Johnson

  2. #47
    Senior Contributor surfgun's Avatar
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    06 Nov 09
    Very interesting, thanks for sharing.

  3. #48
    Regular Cruiser's Avatar
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    16 Feb 16
    Prattville, Alabama. In the Southeastern United St
    Very nice! Bravo Zulu to all involved.

  4. #49
    Contributor bbvet's Avatar
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    19 Apr 14
    near Wallburg, NC

    Very interesting indeed. Especially in light of the extensive cofferdam system that the NORTH CAROLINA group has employed to remedy the same situation along the waterline. Their application, however, involved welding new plate to the existing torpedo bulge at waterline. I think some pix are available somewhere online. You are probably correct in that your portable c.d. unit will be there indefinitely, much like the on-going paint crew at the Golden Gate Bridge.

    Thanks for posting.

  5. #50
    Defense ProfessionalSenior Contributor tbm3fan's Avatar
    Join Date
    01 Nov 09
    San Francisco Bay Area
    Those pits look familiar. I can even find them along certain sections of decking of the Island particularly on the 1/4" thick sections at O11. Knock big bubble of rust out and you get a big pit exactly like those.

  6. #51
    Join Date
    22 May 09
    The North Carolina folks did kind of the same thing to repair spots on her hull.

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  7. #52
    Contributor Battleship IOWA's Avatar
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    09 Dec 13
    San Pedro, Ca
    This is the latest addition to the Battleship Iowa.
    This is an old snow machine/motorcycle trailer that I donated (Getting to old to ride).
    last February I started building the game stations I used mild steel and aluminum sheets with copper tubing spacers all cut on a CNC plasma cutting table.
    We debut the trailer at last months "LA Fleet Week". We only ran the trailer for 13 hours and only had 3 laptops working but pulled in $1,150. I think with better planning we could double that.
    The trailer will be deployed at air/car shows, festivals, concerts or any outdoor events. We plan to rent it out to corporate events, weddings and other gatherings.

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    Craig Johnson

  8. #53
    Contributor Battleship IOWA's Avatar
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    09 Dec 13
    San Pedro, Ca
    More pics

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    Craig Johnson

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