SS-17 D-1 Narwhal
| Specifications | |
|---|---|
| Displacement (Surface) | 288 |
| Displacement (Submerged) | 337 |
| Length | 134.7' |
| Beam | 13.9' |
| Draft | 12.5' |
| Powerplant | 2 gasoline engines |
| Horsepower | 600 |
| Screws | |
| Speed | Surfaced: 13 Submerged: 9.5 |
| Endurance | |
| Test Depth | |
| Collapse Depth | |
| Armor | n/a |
| Armament | 2 18-inch torpedo tubes (fwd); 2 tubes added 1912 |
| Aircraft | none |
| Complement | 1 officers 14 enlisted |
| Capacity | |
|
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