Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
---|---|---|---|---|---|---|---|
Alecto | Chatham DYd | 7.1839 | 7.9.1839 | 12.12.1839 | BU 11.1865 | ||
Prometheus | Sheerness DYd | 7.1839 | 21.9.1839 | 20.2.1840 | sold 1863 | ||
Polyphemus | Chatham DYd | 2.1840 | 28.9.1840 | 24.4.1841 | wrecked 29.1.1856 | ||
Ardent | Chatham DYd | 2.1840 | 12.2.1841 | 16.9.1842 | BU 3.1865 |
Displacement normal, t | 878 |
---|---|
Displacement full, t |
|
Length, m | 50.0 pp |
Breadth, m | 9.96 |
Draught, m | 2.26 |
No of shafts | 2 side wheels |
Machinery | sails + boilers, 1 2-cyl DA |
Power, h. p. | 370ihp |
Max speed, kts | 8.5-9.5 |
Fuel, t | coal |
Endurance, nm(kts) |
|
Armament | 2 x 1 - 161/16 32pdr 45cwt SBML, 2 x 1 - 160/11 32pdr 25cwt SBML |
Complement |
3rd rate steam vessels, since 1844 3rd class sloops. Sir William Symonds design, approved in 1839. Rattler was reordered as screw ship, Argus was reordered to new design.
None.
Polyphemus wrecked on a steep sandy beach 7nm from Hansholme on the Baltic coast of Jutland 29.1.1856.