| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Tartarus | Pembroke DYd | 9.1833 | 23.6.1834 | 3.10.1834 | BU 11.1860 | ||
| Blazer | Chatham DYd | 11.1833 | 5.1834 | 12.2.1835 | BU 8.1853 |
|
Displacement normal, t |
560 |
|
Displacement full, t |
|
|
Length, m |
44.2 pp |
|
Breadth, m |
8.64 |
|
Draught, m |
3.20 |
|
No of shafts |
side wheels |
|
Machinery |
sails + boilers, 1 2-cyl side lever engine |
|
Power, h. p. |
Tartarus: 100nhp Blazer: 120nhp |
|
Max speed, kts |
|
|
Fuel, t |
coal |
|
Endurance, nm(kts) |
|
|
Armament |
2 x 1 - 107/20 9pdr 13.5cwt SBML |
|
Complement |
80 |
Project history: Steam vessels, since 1837 4th class steam vessels, since 1844 1st class gunvessels. Oliver Lang design of 1833.
Modernizations: 1838, Tartarus: was re-engined (136nhp)
1840s, both: were armed with 1 x 1 - 160/11 32pdr 25cwt SBML, 2 x 1 - 159/8 32pdr 17cwt SBML carronades
Naval service: No significant events.
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