"furious" was designed to normally carry of fuel oil, but could carry a maximum of . at full capacity, she could steam for an estimated at a speed of . the ship was designed to carry two bl 18-inch mark i guns in two single turrets, one each fore ('a') and aft ('y'). her secondary armament consisted of 11 bl 5.5-inch mk i guns. a pair of qf 3-inch (76 mm) 20 cwt anti-aircraft guns were mounted before the funnel. "furious" also mounted two submerged tubes for 21-inch torpedoes and 10 torpedoes were carried.