Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
RE: Wet Batteries
Posted by: joe brandt ()
Date: September 22, 2000 05:47PM

A type 7 U-boat had 2 battery compartments called " accumulator room 1 and 2 ( #1 was aft and #2 was forward ) . There was an access hatch to each. This battery room or compartment was so tight for space that above the batteries was a set of rails with a small trolly for a man to lay on and slide over the tops of the batteriers to check them or to make repairs. The batteries were of the rubber lined ,lead -acid type. The forward room had 62 cells in 9 banks and the aft compartment also had 9 banks but 1 extra cell. Each battery compartment could supply about 11,000 amp/hrs of power. Each boat carried several spools of heavy cooper wire and wire cutters to jump a cracked or damaged cell. If a man went down into a battery room he may bring his Draeger rebreather apperatus just in case of deadly gas buildup. He also would bring some litmus paper to test the batteries for saltwater contamination.The electric motors used were made by BBC,SIEMENS OR AEG at full underwater speed of 7.4 knots these motors draw 720 amps .

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Subject Written By Posted
Wet Batteries Johan Coetzee 09/20/2000 09:57AM
RE: Wet Batteries joe brandt 09/21/2000 02:01AM
RE: Wet Batteries Johan Coetzee 09/21/2000 09:32AM
RE: Wet Batteries Rainer Bruns 09/21/2000 03:42PM
RE: Wet Batteries Rainer Bruns 09/22/2000 02:39PM
RE: Wet Batteries joe brandt 09/22/2000 05:47PM
RE: Wet Batteries AZ 09/25/2000 06:03AM
RE: Wet Batteries joe brandt 09/25/2000 05:24PM
RE: Wet Batteries John R 09/28/2000 07:27PM


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