Join Date: Jun 2009
Location: Almost Heaven West Virginia
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Consider also that a spade rudder can be "balanced" allowing for easier steering. A skeg mount generally can not. This is usually only a problem while reversing, or sliding down a wave backwards.
The skeg mount should be made with the attaching point (hinge-gudgeon) weak enough so that the hinge will break before the skeg. With the hinge broken and the rudder post bent you can still float and probably steer. With the skeg broken off you may have a big hole in the boat. A rudder post should also bend before it breaks the boat. This is an engineering problem for the designer!