The former Imperial Japanese Navy's Kawanishi H8K flying boat is widely considered to be the best flying boat in the world until the end of World War II, and a group at Yokohama National University Faculty of Engineering has now rebuilt the plane in miniature to study the craft and its innovative design.
http://mdn.mainichi.jp/mdnnews/national/news/20090625p2a00m0na018000c.html?inb=rshttp://mainichi.jp/select/wadai/news/20090617k0000e040018000c.html