The Hasu was a Japanese Kuri Class destroyer of 770 tons displacement launched in 1920. The Hasu was powered by three Kanpon oil-fired boilers providing a top speed of 31.5 knots and a range of 4800 km at 15 knots and carried a complement of 110. She was armed with three 4.7 inch guns; two anti-aircraft machine-guns and four 21 inch torpedo tubes a... Found on http://www.probertencyclopaedia.com/browse/RH.HTM