here is some sailing code I wrote for my Viking ship
post at ... http://diydrones.com/group/sailing-drone?commentId=705844%3AComment%3A1448717&xg_source=msg_com_group
here is a youtube video of my boat ... https://www.youtube.com/watch?v=cSWdFh2meLo
:::::::::: I first made a copy of ArduPlane that I call
