Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
Re: VIIC draught
Posted by: Tim ()
Date: May 24, 2002 03:21PM

>>> In extreme cases U-Boats were known to run on the surface >>> with their ballast
>>> tanks partially filled with water to reduce their surface >>> profile to a minimum.

That's my question- roughly how much water would a boat be drawing in such a circumstance, while still allowing a landing party to exit the boat.

I understand that they can alter their draught, but I presumed that the published draught of 18 feet is the absolute minimum when the boat is fully surfaced- so that no matter what, the boat starts to hit ground in 18 feet of water. Persicope depth is about 20 ft. under water, correct? So if the boat is at periscope depth, wouldn't it start hitting ground in 38 feet of water?

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Subject Written By Posted
VIIC draught Tim 05/24/2002 05:16AM
Re: VIIC draught Sniper 05/24/2002 11:49AM
Re: VIIC draught Tim 05/24/2002 03:21PM
Re: VIIC draught walter M 06/01/2002 09:04AM


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