| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Marceau | Arsenal de Cherbourg | 20.4.1850 | 19.5.1852 | 3/1853 | stricken 8.1871 | ||
| Duroc | Arsenal de Cherbourg | 29.4.1850 | 17.6.1852 | 1/1853 | wrecked 13.8.1856 |
|
Displacement normal, t |
450 |
|
Displacement full, t |
|
|
Length, m |
43.2 pp |
|
Breadth, m |
7.80 |
|
Draught, m |
3.22 |
|
No of shafts |
1 |
|
Machinery |
sails + 1 2-cyl VSE oscillating, geared, boilers |
|
Power, h. p. |
120nhp |
|
Max speed, kts |
Marceau: 9.1 Duroc: 9.6 |
|
Fuel, t |
coal 81 |
|
Endurance, nm(kts) |
|
|
Armament |
2 x 1 - 153/16 24pdr SBML |
|
Complement |
73 |
Project history: 120nhp screw 2nd class avisos, wooden hulls.
Modernizations: by 1860, both: - 2 x 1 - 153/16; + 4 x 1 - 121/19 12pdr SBML
by 1861, both: - 4 x 1 - 121/19; + 4 x 1 - 163/13 shell SBML
Naval service: Duroc wrecked 13.8.1856 on the Mellish Reef off New Caledonia.
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