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Cavitation damage to rudder?


l98ycar

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I picked up my new to me 2000 Escape LSV and have been working on some minor maintainance and clean-up. I notice a small hole on the rudder, not sure if this is a casting problem or cavitation damage. Has anyone seen anything like this - know what causes it? I was probably just going to fill it and keep an eye on it. Any thoughts?

Thanks

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I picked up my new to me 2000 Escape LSV and have been working on some minor maintainance and clean-up. I notice a small hole on the rudder, not sure if this is a casting problem or cavitation damage. Has anyone seen anything like this - know what causes it? I was probably just going to fill it and keep an eye on it. Any thoughts?

Thanks

It's cavitation damage. I have an older Skier with a worn spot in exactly the same place on the rudder. I'm not sure there's much you can do except keep an eye on it and replace the rudder eventually. I guess you could try to fill it, but considering that cavitation will eat away at cast bronze, I doubt a surface patch would last very long.

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It's cavitation damage. I have an older Skier with a worn spot in exactly the same place on the rudder. I'm not sure there's much you can do except keep an eye on it and replace the rudder eventually. I guess you could try to fill it, but considering that cavitation will eat away at cast bronze, I doubt a surface patch would last very long.

What about drilling the hole out to smooth it out and filling it in with epoxy?

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What about drilling the hole out to smooth it out and filling it in with epoxy?

I wouldn't drill too much, but filling it with epoxy wouldn't hurt anything, I just don't think it would last long either. Epoxy is great for some things, but compared to the original casting it will abrade away pretty quickly.

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With how irregular the damage is, I would say that there was a void in the casting. If it was just straight cavitation damage the hole would be smooth and more symmetrical. I would fill it with JB Weld (over fill the hole and then file it down once cured) and try it before I went to the expense and PITA of replacing it.

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With how irregular the damage is, I would say that there was a void in the casting. If it was just straight cavitation damage the hole would be smooth and more symmetrical. I would fill it with JB Weld (over fill the hole and then file it down once cured) and try it before I went to the expense and PITA of replacing it.

I'd do the same.

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