| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Antelope | Ditchburn & Mare, Blackwall | 10.12.1845 | 20.7.1846 | 4.9.1847 | sold 9.1883 | ||
| Oberon | Ditchburn & Mare, Blackwall | 7.1.1846 | 2.1.1847 | 13.11.1847 | to War Office 1870 | ||
| Triton | Ditchburn & Mare, Blackwall (C J Mare & Co, Blackwall) | 3.12.1845 | 24.10.1846 | 13.4.1848 | sold 2.1872 |
|
Displacement normal, t |
1055 |
|
Displacement full, t |
|
|
Length, m |
51.8 pp |
|
Breadth, m |
8.53 |
|
Draught, m |
3.20 |
|
No of shafts |
2 side wheels |
|
Machinery |
sails + boilers, 1 2-cyl SE oscillating |
|
Power, h. p. |
260nhp |
|
Max speed, kts |
10.5-11 |
|
Fuel, t |
coal |
|
Endurance, nm(kts) |
|
|
Armament |
2 x 1 - 206/15 68pdr 95cwt shell SBML, 3 x 1 - 159/8 32pdr 17cwt SBML |
|
Complement |
100 |
Project history: 3rd class iron-hulled sloops, also listed as packets. Thomas Ditchburn design, approved in 1845. Built for the mail service between the Ionian Islands, Malta and Greece. Later reclassed as gunvessels.
Modernizations: 1856, all: were armed with 1 x 1 - 161/16 32pdr 45cwt SBML, 2 x 1 - 160/11 32pdr 25cwt SBML
Naval service: No significant events.
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