NAVYPEDIA

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
Implacable			Ernest Gouin, Nantes	1.10.1861	21.1.1864	7/1864	TS 1871, stricken 12.1884
Opiniâtre			Ernest Gouin, Nantes	10.3.1862	23.3.1864	1/1865	hulk 6.1881
Arrogante			Ernest Gouin, Nantes	20.3.1862	26.6.1864	9/1865	TS 7.1877, stricken 12.1884

Technical data

Displacement normal, t	Arrogante: 1490 other: 1412
Displacement full, t
Length, m	Arrogante: 44.0 wl other: 40.0 wl
Breadth, m	14.8
Draught, m	2.94 max
No of shafts	2
Machinery	2 2-cyl HP HSE, 4 boilers
Power, h. p.	457
Max speed, kts	7
Fuel, t	coal 40
Endurance, nm(kts)
Armour, mm	wrought iron; belt: 120, battery: 110
Armament	4 x 1 - 165/18 M1864 MLR, 6 x 1 - 165/17 M1858-60 MLR
Complement	200

Standard scale images

Project history

Iron-hulled floating batteries differing from previous classes in having a central casemate with 9 gunports a side and 3 at each end. The battery height was 1.45m (1.32m in service) and there was a single funnel with a light fore and aft rig on two masts.

Ship protection

Sides were protected by 120mm iron with 400mm wood backing on 12mm iron plating at wl, battery had 110mm armour on 400mm wood on 12mm iron plating.

Modernizations

1870, Arrogante: - 4 x 1 - 165/18, 6 x 1 - 165/17; + 3 x 1 - 240/18 M1864 MLR, 4 x 1 - 122/15 M1858 MLR

1870, Implacable, Opiniâtre: - 4 x 1 - 165/18, 4 x 1 - 165/17; + 4 x 1 - 194/19 M1864 MLR

1871, Implacable: - 3 x 1 - 194/19, 1 x 1 - 165/17; + 2 x 1 - 240/18 M1870 BLR, 1 x 1 - 223/11 shell MLR, 2 x 1 - 194/20 M1870 BLR, 2 x 1 - 165/18 M1864 MLR, 6 x 1 - 139/21 M1870 BLR, 1 x 1 - 121/15 MLR

Naval service

Arrogante swamped and sank in squall 19.3.1879 at La Badine, salvaged in May and repaired.