He said they are under time pressure when they do the epoxy and vacuum bagging, they have maybe two hours +/- depending on the temperature. The time lag video may not have shown every single step. He also said the rings are laminated very accurately with 12 layers and help make the hulls extremely rigid.

It looks like it would be an interesting place to work. Their website explains some of their methods:

http://www.spirityachts.com