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Kastor Oil

What is this on the bottom hull of an Outbound 46?

9 posts in this topic

This thin strip runs near the keel, looks like brass...never saw anything like it before.  10-15ft long.  

image.jpeg

image.jpeg

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Heat exchanger. Fresh water cooled engine with tube run along hull as the "radiator". Was popular in New England for a bit. That would be my best guess,sure hope I win something off Teaky's desk.

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19 minutes ago, BillDBastard said:

Heat exchanger. Fresh water cooled engine with tube run along hull as the "radiator". Was popular in New England for a bit. That would be my best guess,sure hope I win something off Teaky's desk.

AKA a keel cooler.  Very common on smaller commercial vessels.  Don't think I've seen one on a sailboat though.

Keelc.gif

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Or even less common, ground strip for lightning strikes.

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6 hours ago, LeoV said:

Or even less common, ground strip for lightning strikes.

That was the first thing  which came to my mind. But they tend to be more of a square shape than a strip.

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Keel cooler, lots of fun to work around when applying bottom paint.

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