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post #12 of Old 01-06-2013
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Re: best way to mount Aluminium to steel underwater

To attach any other metal (aluminum or bronze) to the hull of a steel boat is asking for trouble. Except for the propeller and shaft keep it to steel only. A spacer wouldn't help much as the salt water connects the light housing and the hull.

The West Marine lights you linked to are NOT aluminum though - they are, as already mentioned, polycarbonate so there would not be any issues with those.

Living aboard in Victoria Harbour

Last edited by mitiempo; 01-06-2013 at 10:16 PM.
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