| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Emerald | Deptford DYd | 4.6.1849 | 19.7.1856 | 1.6.1859 | sold 12.1869 | ||
| Melpomene | Pembroke DYd | 9.1849 | 8.8.1857 | 18.6.1859 | sold 1.1875 | ||
| Immortalite | Pembroke DYd | 11.1849 | 25.10.1859 | 7.2.1861 | sold 1883 |
|
Displacement normal, t |
Emerald: 3503 Melpomene: 3829 Immortalite: 3984 |
|
Displacement full, t |
|
|
Length, m |
Emerald, Melpomene: 72.2 pp Immortalite: 76.5 pp |
|
Breadth, m |
Emerald: 16.0 Melpomene, Immortalite: 15.9 |
|
Draught, m |
5.08 hold depth |
|
No of shafts |
1 hoisting |
|
Machinery |
Emerald, Immortalite: sails + rectangular boilers, 1 2-cyl HSE Melpomene: sails + rectangular boilers, 1 2-cyl HSE, trunk |
|
Power, h. p. |
Emerald: 2323ihp Melpomene: 2171ihp Immortalite: 2366ihp |
|
Max speed, kts |
Emerald: 12 Melpomene: 12.4 Immortalite: 12.3 |
|
Fuel, t |
coal |
|
Endurance, nm(kts) |
|
|
Armament |
1 x 1 - 206/15 68pdr 95cwt shell SBML, 30 x 1 - 204/13 8'' 65cwt shell SBML, 20 x 1 - 163/18 32pdr 56cwt SBML |
|
Complement |
550-600 |
Project history: Screw 51-gun frigates, converted on stocks from sailing frigates. Originally ordered in 1848 as 60-gun sailing frigates. Original fourth of this class, Imperieuse, was begun as screw frigate in 1850 to a different design. Remaining three were reordered in 1854-1856, being lengthened by 15m. Immortalite was lengthened during construction by another 4m, she was allegedly the fastest wooden warship under sail, making over 12kts. Wooden hull.
Modernizations: 1862-1863, all: reduced to 35-gun
1869, all: reduced to 28-gun.
Naval service: No significant events.
Immortalite
© Navypedia, 2020