3.Specifications

 

A catamaran, like any boat is the result of a compromise. We must chose an optimization performance range and try to not lose too much performance outside this optimal range.

 

 

               1. Optimization performance range: 10knts of wind

 

Condition recorded in 70% of races and it's the wind range most suited for an A-cat.

But most new hulls are typed strong conditions.

The boat must get up very early on one hull and transmit the maximum energy occured by a wind gust. For this, the platform should be as stiff as possible and the daggerboard should be enough deep. 

       1.1.  Platform as stiff as possible

       1.2.   Deep daggerboard

 

 

 

                2. Design

       2.1.   Do not repeat in less efficient what already exists

         Fixing of the beam on the hull non removable.

         Dissemination efforts between each connecting two parts.

         Do not back too much the center of mass ... 


       2.2.  Minimize metal pieces
         Aluminum and carbon are not compatible.

         A piece of metal is often heavier than the same composite piece.

       2.3.   Finish apparent tissue (parts without gel coat).

         We gained weight that can't allow manufacturers because of the time                    to draped the tissues, which remain visible.

 

 

In very light winds, the lightness of the A-cat can create apparent wind when the boat is on one hull. In this video, we want remove the useless appendages.

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