NAVYPEDIA

Support the project with paypal


HOME
FIGHTING SHIPS OF THE WORLD
FRANCE
SUBMARINES
LAGRANGE submarines (1918 - 1924)


Photo



Laplace Many thanks to Wolfgang Stöhr for additional information on this page.

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Laplace Q111   Arsenal de Rochefort 1913 12.8.1919 1921 stricken 1937
Lagrange Q112   Arsenal de Toulon 1913 31.5.1917 2.1918 stricken 7.1935
Regnault Q113   Arsenal de Toulon 1913 25.6.1924 1924 stricken 1937
Romazotti Q114   Arsenal de Toulon 1914 31.3.1918 9.1918 stricken 7.1935


Technical data


Displacement standard, t 
Displacement normal, t

920 / 1318

Length, m

75.2

Breadth, m

6.30

Draught, m

3.60

No of shafts

2

Machinery

2 Sulzer diesels / 2 electric motors

Power, h. p.

2600 / 1640

Max speed, kts

16.5 / 11

Fuel, t

diesel oil

Endurance, nm(kts)4300(10) / 125(5)
Armament

2 x 1 - 75/35 M1897, 8 - 450 TT (2 bow, 4 inboard, 2 ext cradles; 10)

Complement47
Diving depth operational, m50


Standard scale images


<i>Lagrange</i> 1918
Lagrange 1918


Graphics


<i>Laplace</i> <i>Many thanks to Wolfgang Stöhr for additional information on this page.</i>
Laplace Many thanks to Wolfgang Stöhr for additional information on this page.


Project history

Largest and strongest submarines of French Navy fleet, represented an improved version of Dupuy de Lôme. Under the project they should have 4000hp steam turbines for surface cruising, but during building were equipped by Sulzer diesels.

Modernizations

None.

Naval service

No significant events.



Many thanks to Wolfgang Stöhr for additional information on this page.