Share 'Wingsail Rigs- A nightmare in the Rain?'

As you guys can see by the latest photos the masts are almost complete. I just had a visit to the yard from a guy that knows a lot about everything. He asked what kind of tracks I'm putting on them, I said none and explained that I'll be using a wingsail that incorporates a 4ft pocket that wraps around the mast. "Oh dear!" was his reply, when I asked why he said that due to surface tension they a…