The main new feature is that long-distance travel requires much less babysitting. When the wind turns foul for your course the ship stays on the nearest tack an...

New features: There is now rain and fog. The sailing model has been tuned to address the issue raised here . In particular, fore-and-aft sails produce less thru...

This update has not changed the main file, painted.zip, which is still at version 0.5a. It adds a test version which exposes a couple of new parameters controll...

In this version: The sailing model is tuned to match historical performance, at least in low to moderate winds. Wind now affects the spars and hull, not just th...

Some quantitative historical sources: W. Froude, "The Resistance of Ships" https://archive.org/details/resistanceships00frougoog This records drag experiments o...

This project was started in 2011, under the working title "Fifth Rate", as a prototype to explore two things: how does sailing physics work; and what is a contr...