|Name||No||Yard No||Builder||Laid down||Launched||Comp||Fate|
|Hajen, 1909- N:r1||1||Örlogsvarvet Stockholm||1902||16.7.1904||7.1905||stricken 8.1922, museum boat|
|Displacement normal, t||
107 / 127
|Displacement full, t||
111 / 127
19.8 pp 21.6 oa
|No of shafts||
1 Avance paraffin oil motor / 1 Luth & Rosén electric motor
|Power, h. p.||
200 / 70
|Max speed, kts||
9.5 / 7
paraffin oil 2.2
1 - 450 TT (bow, 3)
|Diving depth operational, m||30|
First Swedish submarine, built by design of Carl Richson with the utmost secrecy. Paraffin oil motor was never fully reliable.
1916: paraffin oil motor was replaced by 4-cyl. diesel (135hp).
Hajen was classed as 2nd class submarine and renumbered as No1 in 1909.