Udarnik 1917
Udarnik 1941
| Name | No | Yard 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 [Kliuz], 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 |
2 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 - 75/48 Canet, 1 x 1 - 47/40 Hotchkiss AA, 2 x 1 - 7.6/94, mechanical minesweeping gear |
|
Complement |
35 |
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, Kliuz: - 1 x 1 - 75/48, 1 x 1 - 47/40; + 1 x 1 - 76/28 8K, 1 x 1 - 45/43 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, 2009-14