He wanted a long, high, flared bow, like that on the pre-dreadnought HMS Renown 1895 6 , but higher, four 15-inch guns in two twin turrets, an anti-torpedo boat armament of twenty 4 inches guns mounted high up and protected by gun shields only, speed of 32 knots using oil fuel, and armour on the scale of the battlecruiser HMS Indefatigable 1909 2 .