What you need is something like a 49er which has sail power to burn and a big wide hull to carry the beer, there must be a dingy that has a mega amount of sail area and now no longer active as a class that doesn't weigh to much.

Sadly our masts just would not be up to the job on a tri as the righting moment would just be too great for our weedy little sticks

For the best of the best then think along the likes of Randy Smythes " Scissors " but using the blade Amas.