M1 1918
| No | Name | Builder | Laid down | Launched | Comm | Fate |
| SS47 | M1 | Fore River, Quincy | 7/1914 | 14/9/1915 | 2/1918 | stricken 3/1922 |
|
Displacement standard, t |
|
|
Displacement normal, t |
488 / 676 |
|
Length, m |
59.8 |
|
Breadth, m |
5.80 |
|
Draught, m |
3.40 |
|
No of shafts |
2 |
|
Machinery |
2 NLSE diesels / 2 electric motors |
|
Power, h. p. |
840 / 680 |
|
Max speed, kts |
14 / 10.5 |
|
Fuel, t |
diesel oil |
| Endurance, nm (kts) | 2750(11) / 150(5) |
|
Armament |
4 - 450 TT (bow, 8), 1 x 1 - 76/23 Mk 9 |
|
Complement |
28 |
|
Diving depth operational, m |
60 |
Ship project history: Basically similar to L class, but M1 was the first USN double-hulled submarine. However habitability and stability were worse, than at single-hulled boats, project did not repeated more.
Modernizations: none.
Naval service: No significant events.
M1 1918
© Ivan Gogin, 2008-10