There are some here who have said that Columbia's build quality was not very good and the boats suffered from thin
layup in some areas, so the result was oilcanning. But when I owned a Columbia 26 Mk II, my assessment was that it was pretty well built and sailed well, but it was not a
boat that had particularly high quality finish on the
interior. And I briefly owned a Columbia 34, which was a Bill Tripp design like the 26 Mk II and my assessment was the same.
Who designed the 30?