New: the plans now include complete scantlings for foam sandwich (october 2007) our trawler 28 is a sturdy offshore trawler with a straight inboard diesel.. The coastal passage 30 was designed to fill a niche in the small trawler market. designed in collaboration with charles neville, noted trawler designer, this trawler. Renn tolman and his high endurance skiff. he’d brought journeyman carpentry skills to homer, along with other attributes that ultimately characterized his life.