Sails of the 21st century

DigInfo reports on retractable sails project. This kind of fuel-economizer seems quite feasible both technically and economically.

So the chances that it be installed on a real ship are rather high despite the 2.5 mln USD fitting cost for a single retractable sail. There are many other technologies that would provide the comparable fuel-saving effect at less CAPEX. Still ...


I have no doubt that Japanese owners would consider trying the sails soon.