Gary Webb's plans for Schooner Irene is available for some dollars. I've bought the plans and I am working on her from February 2017. You can find a Topic on RC Groups about Schooner Irene. My building logs are there as well with a good bunch of pictures.
In January 2018, I have began to build the mechanics and electronics as well. In this Hackaday Project I will report my successes and failures regarding the mechanics and electronics of the boat.