How about a 41' x 11" x 5" carbon tube for flotation? That is what my RC-27 has. The problem is, som many riggers want to cut holes in the tube to pass halyards and other "things" through. My mast is sealed AND actually has a foam core between layers of carbon. While it may not be quite as effective as a float in preventing capsizing, a mast of sufficient volume should impede the process of turtling.
