Octopus 1908
| No | Name | Yard No | Builder | Laid down | Launched | Comm | Fate |
| SS9 | Octopus, 11.1911- C1 | 128 | Fore River, Quincy | 8/1905 | 4.10.1906 | 6.1908 | stricken 8.1919 |
| SS13 | Stingray, 11.1911- C2 | 152 | Fore River, Quincy | 3/1908 | 8.4.1909 | 11/1909 | stricken 12.1919 |
| SS14 | Tarpon, 11.1911- C3 | 153 | Fore River, Quincy | 3/1908 | 8.4.1909 | 11/1909 | stricken 12.1919 |
| SS15 | Bonita, 11.1911- C4 | 154 | Fore River, Quincy | 3/1908 | 17.6.1909 | 11/1909 | stricken 8.1919 |
| SS16 | Snapper, 11.1911- C5 | 155 | Fore River, Quincy | 3/1908 | 16.6.1909 | 2/1910 | stricken 12.1919 |
|
Displacement standard, t |
|
|
Displacement normal, t |
238 / 275 |
|
Length, m |
32.1 |
|
Breadth, m |
4.19 |
|
Draught, m |
3.00 |
|
No of shafts |
2 |
|
Machinery |
2 Craig petrol engines / 2 electric motors |
|
Power, h. p. |
500 / 300 |
|
Max speed, kts |
10.5 / 9 |
|
Fuel, t |
petrol 11 |
| Endurance, nm(kts) | 800(8) / 80(5) |
|
Armament |
2 - 450 TT (bow, 4) |
|
Complement |
15 |
|
Diving depth operational, m |
60 |
Project history: Octopus was bought under the same Act as the B class. The C class was the first considered suitable for operations beyond harbours, and was therefore designated a coast defence type.
Modernizations: None.
Naval service: No significant events.
© Ivan Gogin, 2014