NAVYPEDIA

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Cosmao			F C de la Gironde, Bordeaux	1887	8.1889	1891	stricken 1922
Lalande			F C de la Gironde, Bordeaux	1887	21.3.1889	10.1890	stricken 1912
Troude			F C de la Gironde, Bordeaux	11.1886	22.10.1888	1.1891	stricken 1908

Technical data

Displacement normal, t	Cosmao: 1923 Lalande: 1968 Troude: 1994
Displacement full, t
Length, m	95.0 wl
Breadth, m	9.00
Draught, m	5.18 max
No of shafts	2
Machinery	2 HC, 5 cylindrical boilers
Power, h. p.	5800
Max speed, kts	20.5
Fuel, t	coal 300
Endurance, nm(kts)	2400(10)
Armour, mm	Cosmao: steel; deck: 40 Lalande, Troude: steel; deck: 40, CT: 25
Armament	4 x 1 - 139/30 M1884, 4 x 1 - 47/40 M1885, 4 x 5 - 37/20 M1885, 4 - 350 TT (aw, beam), 150 mines
Complement	201

Project history

3rd class cruisers, similar to Forbin class, were often classified as avisos. It was reported that neither ship reached 20kts speed by the reason of vibration.

Ship protection

Curved armour deck had a cofferdam above. There was a thin splinter deck over the machinery.

Modernizations

1890s, all: - 4 x 5 - 37/20, 4 - 350 TT; + 6 x 1 - 47/40 M1885, 4 x 1 - 37/20 M1885

Naval service

No significant events.