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Photo Album

German Submarines

Pictures of submarines of the German Kriegsmarine of 1935 to 1945 on display. U 505 is in Chicago, U 995 is located in Laboe near Kiel and U 2540 in Bremerhaven. More information about these and another boat in the article German Submarines.

2010 April 7 15 / 2014 March 11

Bremerhaven (161) Chicago (155) Germany (318) Illinois (155) Laboe (157) Museum of Science and Industry (155) Rabea (1) Type IX (155) Type VII (157) Type XXI (161) U 2540 (161) U 505 (155) U 995 (157)

All

177
A small desk in the Chief Engineer's cabin.
178
Sign for the officers' mess.
179
A bench in the officers' mess.
180
Officers' mess.
181
Bench in the officers' mess.
182
Thanks to the hinge the back of the bench could quickly be turned into a bed.
183
Officers' quarters and test room (sound room)

The original facilities of Type XXI were changed in reconstruction works after the war.

Visitors see
left:
Washroom and lavatory
Watch officers' cabin
Sound and test room

right:
Chief Engineer's cabin
officers' mess
radio room
captain's cabin

Below the floor there are still the two battery decks containing 62 individual cells in each of 2 decks. In the upper battery deck provisions were stored in the central passage.
184
Officers' cabin.
185
Bunk in the cabin of the watch officers.
186
Bunk of the watch officers.
187
Closet between the bunks of the watch officers.
188
One of the rechargeable batteries.
189
Accumulator cell

The battery system for the propulsion of this submarine under water consisted of 6 x 62 = 372 cells positioned in two decks below the floor in the accumulator rooms. Each cell weighed 620 kg, i.e. the battery system had a weight of 230 tons.

Structure of an accumulator cell

The cell box was made of ebonite and so robust that the filled cel could be transported. Each cell housing contained 2 plate structures made of lead which were either positive (+) or negative (-). For current output the plate structures were connected through a terminal with 3 lead poles which went through the housing cover. Cast in each lead pole was a threated fitting made of brass in order to connect the individual cells with each other. The cells were numbered continuously from 1 to 372. The displayed cell bears the number 356.

Performance

With the battery system the submarine proceeded at top speed with 5,000 hp 1 hour 8 minutes under water with a speed of 17.5 kn = 32 km/h, Output 6267 Ah (ampere hours);
at reduced speed the boat was able to proceed under wataer for up to 50 hours, i.e. more than 2 days, Output 12150 Ah.

Manufacturer
Varta Batterie AG, Hagen.
190
In the center of the photo is the "Load panel", which displays current and voltage of the batteries.
191
Battery main switch and above the original log book.
192
Original log book of Monday, September 12, 1960.
Slideshow