How can you tell if bronze through hulls are sound? - SailNet Community
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How can you tell if bronze through hulls are sound?

Does anyone know how to confirm the integrity of a bronze through hull?
kmclarke is offline

Old 05-26-2008
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If you scratch it and it is pinkish in color... you've got a problem.

Sailingdog

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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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Thanks.
Does it matter where I scratch it ? If it is pink in one spot then the whole thing si scrap?
kmclarke is offline

Old 05-26-2008
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The pinkish coloration means that the metals other than copper are leaching out...and will leave you with a nice soft copper sponge shortly. If it is happening, you may want to investigate WHY. It often occurs when you have a galvanic isolation problem at your marina or an voltage leak into the water there. If it is AC...it can be lethal.

Sailingdog

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Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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sailingdog is offline
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thanks for the info
K
kmclarke is offline

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