| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Cruizer, later- Cruiser | Deptford DYd | 4.1851 | 19.6.1852 | 3.2.1853 | TS 5.1893 | ||
| Hornet | Deptford DYd | 6.1851 | 13.4.1854 | 14.7.1854 | BU 1868 | ||
| Harrier | 122 | Pembroke DYd | 11.1851 | 13.5.1854 | 3.11.1854 | BU 12.1866 | |
| Fawn | Deptford DYd | 4.5.1854 | 30.9.1856 | 26.11.1859 | survey ship 1876 | ||
| Falcon | 125 | Pembroke DYd | 11.1853 | 10.8.1854 | 30.3.1855 | sold 9.1869 | |
| Alert | Pembroke DYd | 1.1855 | 20.5.1856 | 24.1.1858 | survey ship 1878 |
|
Displacement normal, t |
Cruizer: 960 others: 1045 |
|
Displacement full, t |
|
|
Length, m |
48.8 pp |
|
Breadth, m |
9.70 |
|
Draught, m |
5.31 hold depth |
|
No of shafts |
1 |
|
Machinery |
Cruizer: sails + boilers, 1 2-cyl HSE, geared Hornet, Harrier, Fawn, Falcon, Alert: sails + boilers, 1 2-cyl HSE |
|
Power, h. p. |
Cruizer: 132ihp Hornet: 233ihp Harrier: 360ihp Alert: 383ihp Falcon: 312ihp Fawn: 434ihp |
|
Max speed, kts |
Cruizer: 6.6 Hornet: 7.8 Harrier: 8.3 Alert, Fawn: 8.8 Falcon: 7.9 |
|
Fuel, t |
coal |
| Endurance, nm(kts) | |
|
Armament |
1 x 1 - 163/18 32pdr 56cwt MLSB, 16 x 1 - 160/13 32pdr 32cwt MLSB |
|
Complement |
160 |
Project history: Wooden 17-gun screw sloops designed by Lord John Hay (Cruizer) and by Walker (others) in 1850. First pair was originally ordered in 1847 as screw schooners (later gunvessels) Cracker and Hornet.
Modernizations: 1875, Alert: was re-engined by 1 2-cyl HC (1240t, 312hp, 7.7kts) and strengthened for ice navigation.
Naval service: Alert in 1875-1876 was employed for Arctic expedition.
Many thanks to Wolfgang Stöhr for additional information on this page.
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