This thesis compares a standard 29er sailing skiff with an innovative carbon 29er skiff. The carbon rig consist of a full carbon mast with a fully battened square top main sail. In this study the boats were tested in a head to head test to gather relevant data on the performance difference. The main objective was to measure the overall speed differences (SOG), the sailing angles (AWA, TWA) and to create a polar diagram. The outcome of this thesis is that there is an advantage of the full carbon

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... rig in terms of consistency of speed but a disadvantage on sailing angels to the wind. Considering the overall VMG it is to say that the carbon rig has an advantage over the standard rig due to the higher speed. The study furthermore showed, that the decreased mass of the carbon mast and the square top main sail have a positive influence on the handling of the boat and therefore better control in gusts and lulls.