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#1 |
Grey Wolf
![]() Join Date: Sep 2009
Location: Egypt
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A few remarks..
1- Charging in, surfaced, or merely decks awash in the presence of a destroyer is pretty unrealistic, unless it's darks enough, but the moon fading into the sky doesn't necessarily mean that the boat is in 'stealth' mode. 2- The captain was desperate and if you watched the full movie, they had a transmission of a convoy which they couldn't round to. capt. was supposed to make it steady into any of those conditions. 3- About the full speed firing, the torpedos had more speed than the boat even at low setting, and additionally get an air induction on their way out. So I don't see why not charge at full speed. 4- they moved to the forward room to quick dive. Imagine there were slots at the game for that.
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#2 | ||||
Eternal Patrol
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No, not much of Das Boot was accurate, at least in the operational sense. The interiors were great, but the crew's reactions were overstated and the portrayal of actual operations was limited and in some cases flat-out wrong.
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#3 |
Kaiser Bill's batman
Join Date: May 2010
Location: AN72
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Every little helps, but maybe it was more psychological - if the crew get there fast they think they'll live, and if not...
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#4 |
Navy Seal
![]() Join Date: Nov 2005
Location: Houston, TX
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Movies are just that - movies. They're not real life.
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#5 |
Eternal Patrol
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Could be. It also would help give the off-duty crew something to do besides sit and wait.
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#6 |
Ace of the Deep
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#7 | |
Eternal Patrol
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![]() Quote:
http://www.maritime.org/fleetsub/tubes/chap3.htm
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#8 | |
Navy Seal
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So they used the ballast they had--the crew. Their boats were smaller than the US boats and the crew forward trick did a great job of pitching the sub down for a quicker dive without all the plumbing and pumps the American boats had. Well, maybe it wasn't so great, but it was the best they had and they could dive mightily quick.
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#9 |
Eternal Patrol
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Fair enough. Thanks.
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#10 |
Mate
![]() Join Date: Mar 2012
Location: Buenos Aires, ARG
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Even with the modern plumbing, plumbs and trim tanks. The US subs crash dived in twice the time that the U-boats did ...
![]() Once the tanks were filled with water, they starting pitching down the sub, and it takes some time, the crew reaches the forward edge earlier than the water filled the tanks, and the planes got into position, so i think its an important help for the sub to sink faster. it s true that the crew weight is nothing compared to water s, but with the forward balance of weigth , it pitched down the sub and sinked, just like an airplane, with "inclined speed" more than heavier weight, later the tanks gets filled and the sub can gain depth without the use of speed. |
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#11 |
Seaman
![]() Join Date: Jul 2005
Location: Germany
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Hi Guys,
just a little detail in the scene: The captain orders "both engines slow ahead" just before opening the tubes. So he doesen´t go with the tubes open at flank speed. From my point of view, it is not so unrealistic: The captain uses a moment where there are no escorts around and the moon is behind some clouds to reduce the distance to the target. So there is a good chance that nobody sees the speeding submarine. The attack itself is done at slow speed. Greetings, Stefan.
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#12 |
Navy Seal
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The U-Boats were little boats. Of course they were a bit more nimble than the larger American subs. The Type IX had comparable dive times and comparable size to the American submarines. When you're talking much less mass, you need less buoyancy to keep her up on the surface safely, which means less water to take on to get to neutral.
The crew is a much higher percentage of the weight of the submarine, so their positions within the boat influence the pitch angle much more than they would in a larger American boat. One thing you give up with larger size is nimbleness. But you gain the ability to take enough firepower to win a sub war. The Germans needed a lot more subs to have a chance. And they didn't have enough manpower to run the subs even if they had enough of them. That was a major part of their problem getting the Type XXI to war. Nobody could run them on a war footing and they couldn't spare the crews from active duty to train them.
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