Foucault 1915
Curie 1914
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| Arago | Q86 | Arsenal de Toulon | 29/6/1912 | 1914 | stricken 1921 | |
| Bernouilli | Q83 | Arsenal de Toulon | 1/6/1911 | 1913 | sunk 13/2/1918 | |
| Brumaire | Q60 | Arsenal de Cherbourg | 29/4/1911 | 1913 | stricken 1930 | |
| Coulomb | Q85 | Arsenal de Toulon | 13/6/1912 | 1914 | stricken 1919 | |
| Curie | Q87 | Arsenal de Toulon | 18/7/1912 | 1914 | captured by Austria-Hungary 20/12/1914 (U14), returned 11/1918, stricken 3/1928 | |
| Euler | Q71 | Arsenal de Cherbourg | 12/10/1912 | 1914 | stricken 1923 | |
| Faraday | Q78 | Arsenal de Rochefort | 27/6/1911 | 1913 | stricken 1921 | |
| Foucault | Q70 | Arsenal de Cherbourg | 15/6/1912 | 1914 | sunk 15/9/1915 | |
| Franklin | Q72 | Arsenal de Cherbourg | 22/3/1913 | 1914 | stricken 1922 | |
| Frimaire | Q62 | Arsenal de Cherbourg | 26/8/1911 | 1913 | stricken 1923 | |
| Joule | Q84 | Arsenal de Toulon | 7/9/1911 | 1913 | sunk 1/5/1915 | |
| Le Verrier | Q88 | Arsenal de Toulon | 31/10/1912 | 1914 | stricken 1925 | |
| Montgolfier | Q81 | Arsenal de Rochefort | 18/4/1912 | 1914 | stricken 1921 | |
| Newton | Q80 | Arsenal de Rochefort | 20/5/1912 | 1914 | stricken 12/1925 | |
| Nivôse | Q63 | Arsenal de Cherbourg | 6/1/1912 | 1913 | stricken 1921 | |
| Volta | Q79 | Arsenal de Rochefort | 23/9/1911 | 1913 | stricken 10/1922 |
|
Displacement standard, t |
|
|
Displacement normal, t |
397 / 551 |
|
Length, m |
52.1 |
|
Breadth, m |
5.14 |
|
Draught, m |
3.10 |
|
No of shafts |
2 |
|
Machinery |
MAN-type diesels / electric motors |
|
Power, h. p. |
840 / 660 |
|
Max speed, kts |
13 / 8.8 |
|
Fuel, t |
diesel oil |
| Endurance, nm(kts) | 1700(10) / 84(5) |
|
Armament |
7 - 450 TT (1 bow, 4 Drzewiecki drop-collars, 2 ext abeam CT, 8) |
| Complement | 29 |
| Diving depth operational, m |
Ship project history: Double-hulled boats built under the 1906 program. Represented a diesel-electric variant of Pluviôse.
Modernizations: 1916, Arago, Faraday, Le Verrier and others: + 1 x 1 - 47/50 M1902 or 1 x 1 - 75/35 M1915
11/1918, Curie (while serviced in Austria-Hungarian Navy): + 1 x 1 - 88/30 Ubts L/30
Naval service: Bernouilli was lost on Austrian mine 13/2/1918. Foucault was sunk by Austro-Hungarian aircraft off Cattaro 15/9/1915. Joule was mined in the Dardanelless 1/5/1915 on Turkish mine. Curie 20/12/1914 at attempt to get into harbour of Pola entangled in anti-submarine nets and was scuttled by crew. Later Austrians salvaged her and commissioned as U14; after war submarine was returned to France and received former name.
Curie after war
© Ivan Gogin, 2008-11