Amiral Bourgeoise.
(Completed 1912.)
An experimental boat of the Bourdelle type, built at Cherbourg. The submerged displacement is just under 800 tons and the length 190 feet. She is driven on the surface by heavy-oil engines of 1,600 H.-P., which give a speed of 15 knots. The electric motors for submerged propulsion are of 700 H.-P., giving a speed of 10 knots. The armament consists of seven 18-inch torpedoes, and the cruising range is 3,500 miles.