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Thread: Tdi 110 bulkhead replacement - who's done one?

  1. #11
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    Quote Originally Posted by p38arover View Post
    Many years ago (about 30), I was running a project to replace a lot of heavily rusted steel, especially bolts, on my employer's site on Norfolk Island.

    I asked the structural engineers about the possibility of using stainless steel bolts to replace the rusted ones. They said definitely not. The galvanic reaction with the steel RSJs would be worse. Better to have the steel bolts corrode than the RSJs.

    A rusty firewall I saw a couple of years back at KLR Automotive. It was a big job to replace it.

    Attachment 181813
    Galvanic Corrosion – SSINA
    Mahn England

    DEFENDER 110 D300 SE '23 (the S M E G)

    DEFENDER 110 wagon '08 (the Kelvinator)
    http://www.aulro.com/afvb/members-ri...elvinator.html

    Ex 300Tdi Disco:


  2. #12
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    Quote Originally Posted by p38arover View Post
    Many years ago (about 30), I was running a project to replace a lot of heavily rusted steel, especially bolts, on my employer's site on Norfolk Island.

    I asked the structural engineers about the possibility of using stainless steel bolts to replace the rusted ones. They said definitely not. The galvanic reaction with the steel RSJs would be worse. Better to have the steel bolts corrode than the RSJs.

    A rusty firewall I saw a couple of years back at KLR Automotive. It was a big job to replace it.

    Attachment 181813
    Interesting, oddly enough the stainless bulkhead is no dearer than the gal one from Shielder. Thankfully my rust isn't quite as bad as pictured..

  3. #13
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    Quote Originally Posted by Oberon 110 View Post
    Interesting, oddly enough the stainless bulkhead is no dearer than the gal one from Shielder. Thankfully my rust isn't quite as bad as pictured..
    I went to the Maer website because I was going to link their gal bulkhead; last time I looked, they did a galvanised bulkhead that was specifically built in one layer in all areas, to avoid the problem that reportedly exists with some of the gal ones where there are two or more layers of metal overlapped in some areas. The first stage of the gal process is an acid dip, then a neutralising dip, then the zinc bath. The acid can get into some areas and then not be neutralised and then the zinc not get in there, so you end up worse off than not galvanising. It appears they have superseded their bulkhead to stainless. The price appears about the same.

  4. #14
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    Quote Originally Posted by Oberon 110 View Post
    A stainless bulkhead would be awesome, although I'm sure very expensive. I'm looking at a Shielder gal bulkhead, which is about $6k AU by the time it get's here from the UK
    I would suggest you check out comments from customers regarding Shielder.

  5. #15
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    Quote Originally Posted by one_iota View Post
    I forgot to mention, the building in question was at the top of the cliff at Anson Bay so had a lot of salt spray deposited on it over the 7 years years between being built (1983) and when I was manager of the site 1990-93 (OTC's ANZCAN submarine cable station).
    Ron B.
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  6. #16
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    Quote Originally Posted by spudfan View Post
    I would suggest you check out comments from customers regarding Shielder.
    Read some comments - holes in the wrong spot doesn't sound good at all! Thanks for the heads up..

  7. #17
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    Quote Originally Posted by p38arover View Post
    I forgot to mention, the building in question was at the top of the cliff at Anson Bay so had a lot of salt spray deposited on it over the 7 years years between being built (1983) and when I was manager of the site 1990-93 (OTC's ANZCAN submarine cable station).
    Interesting, must have been a very high maintenance site with all the electronics and corrosion

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