Submarines, Mines and Torpedoes in the War

H SUB

sed of two different types of vessels: Submarines Defensive and Submersibles. The former are intended, as their name implies, solely for coast and harbour defence; their radii of action is very small, and the

run, M. Dupuy de Lome, M. Gustave Zédé, and Admiral Aube. The second submarine ordered for the French Navy was the Gustave Zédé, launched in 1893. So successful did this vessel prove that another of the same type, and named the Morse, was launched at Cherbou

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t. Korrig

for propulsion both on the surface and when submerged. Their speed is 12 knots on the surface and 8 knots when submerged. Their range of action is about

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E OF THE HARBOUR

OF THE COAST DEFE

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ey have electric engines of 350 H.-P. for both surface and submerged propulsion, giving them a speed of 12 knots and 8 knots an hour, respectively. The

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Sirene. Espa

rged displacement of 200 tons, and are 111 feet long and 12?? feet in beam. Steam is used for surface propulsion (217 H.-P.) and electricity when submerged. Their speed is 11 knots on the surface

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. Oursin. Meduse. Otarie. Phoque. Ludion. Alose. Anguil

ric motors, giving them a speed of 8?? knots on the surface and 5 knots when submerged. Their armament cons

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12 × 12 feet. A triple expansion steam engine of 200 H.-P. is used for surface propulsion and an electric motor of 150 H.-P. when submerged. Their speed is 10 knots and 8?? knots. Their maximum su

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acement of about 300 tons. She is driven by steam and electricity, and has a speed of 11 knots and 9 knots. Her armament consis

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ir. Opale. Topaz.

f 600 H.-P. and 450 H.-P., respectively. Their surface speed is 12 knots and submerged 8?? knots. Their surface cruising radius is just over 1,000 miles at

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ength. They are driven by a steam engine of 440 H.-P. (flash boiler and oil fuel) when on the surface, and by electric motors when submerged. Their speed is 11 kno

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or. Thermidor. Fructidor. Brumaire. F

ors of 700 H.-P. when cruising on the surface, but all the others have small steam turbines with 87a special type of flash-boiler. Electric motors are used

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Faraday. Giffard. Montgolfier. Newton. Volta. Watt. Euler. Faucaul

. They are in all respects similar to vessels of the Pluvi?se class, and have a displacement of about 600 tons. Their speed is 12 knots above, and 9 knots 8

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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 propu

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eet and 22 feet 89respectively. Steam turbines are used for surface propulsion and electric motors when submerged. Her sp

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ARINE OF THE

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l motors of 1,500 H.-P. drive her at 15 knots an hour on the surface and electric motors of 550 H.-P. at 10 knots when submerged. Her radius of action

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gth 145 feet. Steam turbines of 1,300 H.-P. drive her at 15?? knots an hour on the surface, and electric motors of 500

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. Astree. Artémis. Aréthuse. Atalan

gth of 177 feet and a beam of 16 feet. Heavy-oil engines of 1,300 H.-P. give them a speed of 15 knots on the surface, and electric motors of 5

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ngines give them a surface speed of 16 knots and electric motors a submerged speed of 10 knots. Their armament consists of two bow and two stern tubes with eight 18-inch torped

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e. Hermion

surface speed of 17?? knots. Electric motors of 950 H.-P. drive them at 12 knots when submerged. Their surface cruising range is 4,000 mile

bmarines

re the Diane and Daphne. These vessels have a submerged displacement of about 800 tons, and the anticipated speed is 18 knot

ver 1,000 tons and a speed of 20 knots 93on the surface and 12 knots when submerged. Their armament will con