[quote=davefarmer]The rudder design on the Reynolds was always a weakness. The blades are too thick, and cavitate easily when loaded up. And they have no provisions for raking them fore and aft to regulate helm effort. When sailing in 15 kts plus with a modest weather helm, the rudders would suddenly cavitate, and violent lee helm would set in. Long term, you're gonna want to find boards with a better profile(SC20/22 blades?) and adapt them to your castings. You won't find any beachcat rudder assemblies that will fit your taller transoms.
Another thought, pay attention to your rudder hold down lines/cleats. With greater boatspeed, the pressure on the rudders tends to pivot them aft, which affects both helm and tiller load.
Dave[/quote]
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