This week we continue hearing excerpts from an archive interview I did in 2006 with Capt. Robert Johnson, Columbia River Bar Pilot, about car ships. The interview evolved into a discussion on ship handling, GM, righting arm and other specialized subjects that engineers and professional mariners know well, but we ordinary mortals are not necessarily familiar with. Fascinating stuff about how and why ships stay afloat and don’t just flip over and sink. So here’s more on car ships and ship handling Capt. Johnson.