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Copper plating a bronze propeller

July 21, 2009

I'm copper plating a bronze propeller. This is for two reasons, for antifouling (preventing barnacle growth) and for a smoother surface (better performance).

I've read that the problem with electroplating is that without "baking" the object in a furnace after plating it will have micro fractures and cracks in the coating. So if I acid copper plate, bake, buff I should get a smooth copper surface, no?

I've found a local shop that does acid copper plating. What sort of baking do I need? How do I spec it?

Chris Sears
hobbyist - Berkeley, California, USA

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