Building offroad caravan. - Page 5

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  1. #81
    Join Date
    Nov 2007
    Thanked: 184

    Default Re: Building offroad caravan.

    Quote Originally Posted by Pieterk View Post
    Whaaat And waste a whole box of sika?
    I am not too concerned, but then, i do not know enough to be concerned. Ignorance is bliss.
    Would the galvanic reaction also need air/ oxygen for a reaction to take place. Is it a chemical reaction as in corrosion/ oxidation or is it something else? How fast will this take place?
    I will have to ask Google to explain the phenomenon.
    Whatever it is, this is as per Google:
    Patrol TB48
    Patrol TD42T
    105 Cruiser
    80 Cruiser
    60 Cruiser
    Tdi Defender
    2.8D Hilux

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  3. #82
    Join Date
    Feb 2010
    Thanked: 58

    Default Re: Building offroad caravan.

    I don't think that galvanic corrosion will pose a problem here. (Unless you leave your trailer parked for long periods of time at the coast, subject to daily drenchings with spray). The sailing industry has been dealing with the stainless/aluminium/galvanised problem for many years without significant nor costly drama.

    Keep the different metals separated as you are doing, avoid seams/pits where water can accumulate, and avoid using the body or frame as any form of electrical path. For all your electrical work bring all neutral or negative wiring back to the distribution point, and keep all cables well protected.

    My 2cw.
    Ex - 109 SIIA R6 pickup, rebuilt from a kraal find, still thrashing around in the Zim Lowveld.
    1972 88 Safari SW petrol - Mellie
    1995 Disco I 300TDi - Daisy
    Ex - 2003 FL Disco II Td5 auto - d'Arcy. Now living by the sea in KZN.
    2003 Defender 110 Td5 - Bruce

    The Lord did not create any stupid people on His earth.
    But there are many who are intellectually dormant, or wilfully ignorant.

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