73-year-old man plans to sail around world in world 's smallest boat . At 3meters-long , the vessel is only slightly bigger than a bathtub . World renowned boat builder Sven Yrvind says creation is safer than big boats . The record is currently held by Italian Alessandro di Benedetto , who in 2010 circumnavigated the globe in a 6.5 meter yacht -- more than double the size of Yrvind 's creation . The ship will be launched from Sweden and made of carbon fiber with an aluminum hull.
73-year-old man plans to sail around world in world 's smallest boat . At 3meters-long , the vessel is only slightly bigger than a bathtub . World renowned boat builder Sven Yrvind says creation is safer than big boats . The ship will be launched from Sweden and made of carbon fiber with an aluminum hull.