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Reply to: Rudder repair or replace?

[quote=Edchris177]I think I would pick up that used one, if they are the same length. The older Nacra skeg boats have a hull profile that rises towards the end. This makes the boarded boat (5.2) rudders a bit short. Injecting will not give you the same strength as a proper repair. You need to remove the damaged material & build a repair that distributes the load. Grind down the material along the crack,(a cutoff wheel with a grinding disc works well, just use a dust mask & eye protection) & repair it as a spare. You will want to grind out material for a few inches each side of the crack, sort of a shallow V shape, with the crack at the apex. Next layer up glass cloth & wet with resin. You want as much cloth as you can get, then thoroughly wet it out. The idea is not to place 1 layer of cloth with 1/8" of resin on each side of it, use multiple layers of cloth, & just enough resin to wet it through. You can place a scrap of poly over the patch & use that to help form the patch & compress it into place. Once you have the profile pretty close, sand it fair, then paint one very thin layer of resin over the top to seal any glass ends you may have exposed due to sanding. I have one rudder that cracked, & so far the this repair has held up. It may not be as strong as original, but so far it is strong enough.[/quote]

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