Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
RE: Even more ballast tank questions.
Posted by: Scott ()
Date: May 28, 2001 12:46PM

Leif,
Maybe this will help you out. Just remember that this ONLY for the Type IXC boats.

Stern Buoyancy - 14,800 Liters by volume

MBT 1 - 40,900 Liters by volume

NFO 1a - 20,500 Liters by volume

FBT 3 - 25,800 Liters by volume

NF0 2a - 46,740 Liters by volume

FBT 4 - 32,660 Liters by volume

Reg Bunker 30,000 Liters by volume

Reg Tank - 17,960 Liters by volume

Negative - 10,800 Liters by volume

MBT 5 - 35720 Liters by volume

FBT 6 - 34,260 Liters by volume

FBT 7 - 32,600 Liters by volume

MBT 8 - 36,900 Liters by volume

Bow Buoyancy - 11,650 Liters by volume

For trim control, trim tanks and WRT tanks were provided. The forward trim tanks have a capacity of 5.160 cu. meters and have a forward moment of 21.06 meters. After trim tank have a capacity of 5.040 cu. meters and an after moment of 23.25 meters. They are intented solely for trimming purposes, with a fixed quantity of water which can be pumped or blown aas desired from one end of the vessel to the other.

The two WRT tanks forward have a capacity of 6.600 cu. meters and 6.500 cu meters, total 13.100 cu meters, forward moment of 18.50 meters. The two after WRT tanks each have a capacity of 3.080 cu. meters and an after moment of 20.72 meters. Related thereto, the capacity of each tube is 1.740 cu. meters without piston and 1.680 cu. meters with piston. Moment for the four forward tubes is 28.90 meters, and for the two after tubes is 30.44 meters. The WRT tanks are also designed for use as wash water tanks at the start of a voyage.

I hope this helps in some small way with your question.

Scott

Options: ReplyQuote


Subject Written By Posted
Even more ballast tank questions. Leif... 05/28/2001 07:18AM
RE: Even more ballast tank questions. Scott 05/28/2001 12:46PM
RE: Even more ballast tank questions. Frank 05/28/2001 02:33PM
reply to both.. Leif... 05/28/2001 04:35PM
reply to both.. Leif... 05/28/2001 04:40PM
RE: Even more ballast tank questions. Chris Browne 06/01/2001 08:26AM
RE: Even more ballast tank questions. Leif... 06/05/2001 04:11AM
RE: Even more ballast tank questions. Chris Browne 06/01/2001 08:26AM


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