| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Janus | Chatham DYd | 6.9.1843 | 6.2.1844 | 1.1846 | tug 1849, gunvessel 1854, sold 1856 |
|
Displacement normal, t |
763bm |
|
Displacement full, t |
|
|
Length, m |
54.9 pp |
|
Breadth, m |
9.30 |
|
Draught, m |
5.82 hold depth |
|
No of shafts |
2 side wheels |
|
Machinery |
sails + Cochrane watertube boilers, 1 rotary engine |
|
Power, h. p. |
|
|
Max speed, kts |
6 |
|
Fuel, t |
coal |
|
Endurance, nm(kts) |
|
|
Armament |
2 x 1 - 254/11 10'' 84cwt shell SBML |
|
Complement |
Project history: 2nd rate steam vessel, since 1844 1st class sloop. Double-ended design of Thomas Cochrane of 1843. Unsatisfactory experimental design.
Modernizations: 1855: re-engined with 1 2-cyl side lever engine (220nhp); - 1 x 1 - 254/11; + 1 x 1 - 206/15 68pdr 95cwt shell SBML, 4 x 1 - 159/8 32pdr 17cwt SBML carronades
Naval service: No significant events.
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