the "vauquelin"-class ships were designed as improved versions of the preceding s. they had an overall length of , a beam of , and a draft of . the ships displaced at standard and at deep load. they were powered by two geared rateau-breguet steam turbines, each driving one propeller shaft, using steam provided by four du temple boilers. the turbines were designed to produce , which would propel the ships at . during her sea trials on 26 august 1932, "cassard"s turbines provided and she reached for a single hour. the ships carried enough fuel oil to give them a range of at . their crew consisted of 10 officers and 201 crewmen in peacetime and 12 officers and 220 enlisted men in wartime.