Havfruen 1914
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Havmanden | H2, 1913- 3 | Whitehead, Fiume, Austria-Hungary | 23.12.1911 | 8.1912 | stricken 4.1928 | ||
| Havfruen | H1, 1913- 2 | Orlogsværftets, København | 31.8.1912 | 3.1913 | stricken 5.1932 | ||
| Thetis | T1, 1913- 4 | Whitehead, Fiume, Austria-Hungary | 19.6.1912 | 11.1912 | stricken 4.1928 | ||
| 2den April (ex-Triton) | 5 | Whitehead, Fiume, Austria-Hungary | 31.3.1913 | 9.1913 | stricken 1.1929 | ||
| Najaden | 6 | Orlogsværftets, København | 9.7.1913 | 12.1913 | stricken 9.1931 | ||
| Nymfen | 7 | Orlogsværftets, København | 10.2.1914 | 7.1914 | stricken 3.1932 |
|
Displacement standard, t |
|
|
Displacement normal, t |
164 / 204 |
|
Length, m |
38.8 |
|
Breadth, m |
3.60 |
|
Draught, m |
2.30 |
|
No of shafts |
1 |
|
Machinery |
1 6-cyl 2-stroke Fiat or MAN diesel / 2 electric motors |
|
Power, h. p. |
Havmanden, Thetis, 2den April: 430 / 270 Havfruen, Najaden, Nymfen: 450 / 275 |
|
Max speed, kts |
13 / 10 |
|
Fuel, t |
diesel oil |
| Endurance, nm(kts) | 1400 (10) / 23 (8) |
|
Armament |
2 - 450 TT (bow, 2) |
|
Complement |
10 |
| Diving depth operational, m |
Project history: Design was developed by Whitehead. Submarines have appeared successful, and later under their drawings similar boats for Austrian-Hungarian Navy were built.
Modernizations: 1917, all: + 1 x 1 - 8.80
Naval service: No significant events.
Havfruen and Najaden 1914
© Ivan Gogin, 2010-14