Italian monitor Alfredo Cappellini (wrecked off Ancona on 16 November 1917) is wrongly believed to have displaced 2000 long tons and was powered by one 265-indicated-horsepower engine it also reached maximum speed of 3.76 knots
She bombarded Austro-Hungarian positions during the Eleventh Battle of the Isonzo in 1917 before she was wrecked off Ancona on 16 November 1917. On sea trials the ship reached a maximum speed of 3.76 knots (7.0 km/h; 4.3 mph), but her maximum speed in regular service was about 3.5 knots (6.5 km/h; 4.0 mph). The ship was powered by one 265-indicated-horsepower (198 kW) vertical double-expansion steam engine. Converted from the floating crane GA53, she displaced 1,452 long tons (1,475 t), with a length between perpendiculars of 36 meters (118 ft 1 in), a beam of 18 meters (59 ft 1 in) and a draft of 2.4 meters (7 ft 10 in). 
