[quote=Edchris177]Adam, I use about a 1" piece of clear tubing,(a piece of garden hose will work), that is what Nacra gives you with a new boat.
Picture your rudder in the "up" position. See where it bangs against the tiller bar? Put the piece of tubing around the bungee right there. You have to think of this when you rig the rudders, as it has to be slid down the bungee,(as far down as it will go, right against the rudder blade) before you run the bungee up inside the tiller arm & tension it.
Before I put that short piece on I also slid about 12" of that woven tubing you use to prevent chafe on lines over the bungee, placed so it covers the bungee from the hole in the rudder up to the tiller arm. Previously the bungees would wear against the sides of the rudder blade, & the bungee barely lasted a year. It also helped to use a dremel or reamer & radius the edges at the end of the tiller arm. The tube is cut "square" & that edge was a major source of wear.
If you have a 1/4" gouge into your rudder blades, you may well be through the glass & into the core. One of my blades had a good gouge, & had split the outer sheath. Drill/dremel it out a bit if you need to, then stuff the cavity with some epoxy mixed with chopped matt strands. I also added some microfibres to the mix.
I'd mail you some in an envelope, but I think fine white powder being mailed might attract attention![/quote]
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