Patent ID: 6227131
Filing Date: 2001-05-08
Classification: B63H

Abstract:
A rudder having a blade and a stock for a sailboat or other vessel, in which in the course of operation the rudder is subjected to stresses which seek to sever the blade from the stock, comprising:A. a light weight core shaped to define the blade and stock of the rudder and the junction therebetween, said core formed of a blade section having a slot therein and a stock section having a root which is received in said slot to combine the stock section with the blade section; andB. a fiber-reinforced resin skin enveloping the stock and the blade of the core as well as the junction therebetween and conforming thereto to create a monocoque structure in which the skin bears the major portion of torsional and bending stresses to which the rudder is subjected when in use.