Low Tide

Yacht Designer Tad Roberts' Web Log

Monthly Archives: May 2016

Change in Stability with Dinghy Aboard

I’m often asked about the advisability of adding a heavy dinghy stored on the roof, people wonder how much difference this will make to stability. The answer always involves a lot of questioning about the particulars of the boat and load condition. So today I made a study of a typical 1985 “trawler” yacht, the[.....]

The Cogge Nonsuch

In 1916 Douglas P. Urry was serving (probably RCN) in the North Sea. While reading off watch he came across mention of “the Cogge Thomas,” and started to wonder what that ship might look like. He wrote to his brother, F. Wavell Urry, in Vancouver, and Wavell started sketching. These drawings are the result, the[.....]