The trials of the Italian armoured cruiser Pisa according to the Dutch magazine Marineblad dated 1909-1910 no. 3

Giuseppe Garibaldi-class. With thanks to Enrico

Pisa-class

An item referred to the Mitteilungen aus dem Gebiete des Seewesens reporting that the Italian armoured cruiser Pisa that the two triple 4 cylinder compound engines received their steam from 22 Belleville boilers fitted out with so-called economizers. Contracted was a speed of 22,5 miles with forces and 20 miles with natural draft. During preliminary trials were the demands already achieved. Without problems was the number pf revolutions increased from 70 to 116 and with a pressure in the boilers of 18,5 kilo was the total horsepower 14.500 ihp resulting in a speed of 21,36 miles with natural draft. During the trials was the medium draught 7,16 metres. The non official trial with forced draft was also very favourable.(1)

Note
1. Of the Pisa-class with as sister ship the Amalfi and the Greek cruiser Georgios Averof. Preceded by Giuseppe Garibaldi-class and succeeded by the San Giorgio-class. Laid down at the Cantiere navale fratelli Orlando, Livorno, Italy, Italy on 20 February 1905, launched on 15 September 1907, completed on 1 September 1909, reclassified from a 2nd class battleship into a coastal battleship and used as training ship on 1 July 1921, modified to take a Macchi M7 flying boat with her in 1925, training ship for lieutenants and naval cadets 1925-1930, decommissioned on 28 April 1937 and finally broken up. With a displacement of 9.832 tons/9.677 long tons and as dimensions 130 (between perpendiculars)-140,5 (over all) x 21 x 7,1 metres or 426.6-460.11 x 68.11 x 23.4 feet. The two vertical triple expansion engines and 22 Belleville boilers delivered via 2 shafts 20.000 ihp allowing a speed of 23 knots or with a speed of 12 knots a range pf 2.500 nautical miles. The armour consisted of a 9cm (bow+stern)-20cm (amidships)/3.5-7.9” thick belt, a 5,1cm/2.0” thick deck with the conning tower, 254,cm gun turrets and 19cm gun turrets protected by respectively 18cm/7.1”, 16cm/6.3” and 14cm/5.5” thick armour. The original armament consisted of 2x2-25,4cm/10” L/45 guns, 4x2-19cm/7.5” l/45 guns, 16x1-7,6cm/3.0”L/40 guns, 8x1-4,7c,/1.9”L/40 guns and 3-45cm/17.7” torpedo tubes.