TRIPLE-SUPPORT RUDDER SYSTEM™-- A RUDDER THAT'S EASY TO MAINTAIN, AND EXTREMELY DIFFICULT TO DAMAGE.
The rudder is the most vulnerable appendage on any boat's hull. At Caliber, we take extra measures so that our rudder assemblies are strong and well-protected:

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 The rudder's steel core is welded to a shaft of solid stainless steel.
♦ Our Triple-Support Rudder System shares the rudder's load among three bearings--one more than on most other boats.
♦ For ease of maintenance and protection from corrosion, the upper rudder bearing, which supports most of the rudder's load, is housed inside the boat.
♦ Our structural skeg not only supports the lower end of the rudder and shaft, but helps shield the entire assembly from damage in a grounding.
Triple-Support Rudder System™
Precision Anti-Friction Bearing
Heavy Duty Solid Bronze Rudder Port
Solid Stainless Steel Rudder Shoe
From “Safety Preparations for Cruising” by Jeremy R. Hood
               “When a vessel has a fin keel that does not reach to the stern, a small additional structure (skeg) can be fitted to the hull like a small keel from which to hang the rudder. The skeg design is sometimes strong and deep so that a rudder can be supported top and bottom while other designs have only a partial skeg allowing the rudder to be a balanced type.
               The skeg performs two functions. It supports the rudder and it protects it from damage. Not all skegs are designed to be sufficiently strong for ocean sailing. In my opinion, the rudder is such an important yet vulnerable part that a cruising boat needs to have a strong, full skeg if one is used. Make sure yours is. If the vessel runs over a line at sea or goes aground, a strong skeg will help protect a rudder from damage that could otherwise disable the boat."