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Old 12-12-14, 05:50 PM   #4
BigWalleye
Sea Lord
 
Join Date: Jul 2012
Location: On the Eye-lond, mon!
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Quote:
Originally Posted by BL!TZKR!EG View Post
Which is one of the things I cannot agree with.

I spoke to a former U-Boot-Kaptain about this. His words were: "That exactly is LI's job when submerged: the correct trimming. And then the boat lies stable in the water. Nothing changing. I would have shot my LI if we were to sink only because not using the pumps"

So where did this funny idea originate from?
From a number of first-person accounts, including Werner's, AFAIK. Why would he bottom the boat if it could hover? You can hold trim for a while, but the boat does continuously take on water. As long as water is coming in, water must go out or the boat will settle. How can trim be maintained without running the pumps? How can neutral buyancy be maintained without running the pumps? Technical manuals and first-person accounts all indicate that the submarine could not "hummingbird" for an indefinite period.. It could maintain trim and bouyancy for a while, but not indefinitely. Sooner or later, either pumps or motors would have to be operated to maintain depth.
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