Udarnik 1917
Udarnik 1941
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| Ударник <Udarnik>, 7/1941- №53 <No53>, 9/1941- №57 <No57> | Putilov Yd, Petrograd // Ahlstrom, Helsingfors | 2/1916 | 5/8/1916 | 7/1917 | sunk 2/10/1942 | |
| Защитник <Zashchitnik> | Putilov Yd, Petrograd // Ahlstrom, Helsingfors | 2/1916 | 5/8/1916 | 7/1917 | captured by Finland 4/1918 (T2 Vilpula) | |
| Клюз <Klyuz>, 7/1941- №54 <No54>, 9/1941- №56 <No56> | Russo-Baltic Wks, Reval // Ahlstrom, Helsingfors | 1/1916 | 1916 | 12/1917 | sunk 25/11/1941 | |
| Фортрал <Fortral> | Russo-Baltic Wks, Reval // Ahlstrom, Helsingfors | 1/1916 | 1916 | 1/1918 | captured by Finland 4/1918 (T1 Rautu) |
|
Displacement normal, t |
190 |
|
Displacement full, t |
220 |
|
Length, m |
43.6 |
|
Breadth, m |
6.10 |
|
Draught, m |
1.70 |
|
No of shafts |
2 |
|
Machinery |
VTE, 2 Yarrow boilers |
|
Power, h. p. |
400 |
|
Max speed, kts |
11 |
|
Fuel, t |
oil 18 |
| Endurance, nm(kts) | 1100(5) |
|
Armament |
1 x 1 - 75/50 Canet, 1 x 1 - 47/43 Hotchkiss AA, 2 x 1 - 7.6/94, sweeps |
|
Complement |
35 |
Ship project history: Built in Revel and Petrograd, completed in Helsingfors. In total 22 ships were ordered (10 for Putilov Yd, 8 to Metal Wks, 4 for Russo-Baltic Wks), but only 4 were completed.
Modernizations: 1937, Udarnik, Klyuz: - 1 x 1 - 75/50, 1 x 1 - 47/43; + 1 x 1 - 76/30 8K, 1 x 1 - 45/46 21K, 36 mines
Naval service: Zashchitnik and Fortral in 1918 were captured by Finnish troops and completed by Finnish Navy. T-56 25/11/1941 was lost on a mine off Hanko peninsula (Gulf of Finland). T-57 2/9/1942 was lost on a mine at Seskar (Gulf of Finland).
Udarnik
© Ivan Gogin, 2009-11