An item reported that the Italian battleship Regina Elena just completed her trials and with a horsepower of 13.500ihp was a speed of around 20 knots achieved and with forced draft and 20.000 ihp a cruising speed of 22 knots with a maximum of 22,5 knots. The engine and Belleville type boilers performed without any problems.(1)
Note
Laid down at the La Spezia Naval shipyard on 27 March 1901, launched on 19 June 1904, commissioned on 11 September 1907, stricken on 16 February 1923 and finally broken up despite the Washington Naval Treaty of 1922 allowed Italy to keep her in service. Of the Regina Elena-class consisting of the Regina Elena, Roma, Napoli and the Vittorio Emanuel designed by Naval engineer Vittorio Emanuele Cuniberti (7 June 1854 Turin, Italy), preceded by the Regina Margherita-class and succeeded by the Dante Alighieri. General technical specifications. Displacement 14.029 tons/13.807 long tons and as dimensions 132,6 (waterline)-144,6 (over all) x 22,4 x 8,58 metres or 474 x 73 x 28,1 feet. Two vertical four-cylinder triple expansion steam engines and 28 Belleville coal-fired boilers allowing a speed of 20,8 knots and with a speed of 10 knots a range of 10.000 nautical miles. Crew numbered 742-764 men. The Krupp steel armour made in Terni consisted of a 25cm/9.8” thick belt, 3,8cm/1.5” decks with the gun turrets and conning tower protected by respectively 20cm/8” and 25cm/10”. The armament consisted of 2x1-30cm/12” 40 cal guns, 6x2-20cm/8” 40 cal guns, 16-7,6cm/3” 40 cal guns and 2-45cm/17.7” torpedo tubes placed in the hull below the waterline.
