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Originally Posted by Dr.Sid
If you 'were there' .. could you pop few numbers ? Speeds especially ? What speed can sub make during EMTB ? What is the target buoyancy ? Is the 13% (which is told standard for surface cruise) or more ? Do I put some air into the tanks and let it expand later or do I put everything I have ? If so, what is the maximum buoyancy
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My friend, if you are going to do an EMBT blow you are going to blow it ALL. There is FAR more air in the air flasks (by volumn) than there is water in the main ballast tanks. The design criteria is to be able to FILL the main ballast tanks with air all the way down to crush and beyond. You are not going to do half measures when you butt is on the line. If you blow all the water out of the ballast tanks you may be in a situation that due to the amount of water taken into the pressure hull you are STILL in a negative bouyancy situation. That is why there is in up-angle and a serious bell made when flooding situation happens.
With that being said, if you are gonna do it for real, you are gonna hold the switches till you are on the surface or until you implode.
What happens to the excess air when you get to surface? It expands and goes out the ballast tank lower vents (where the water enters normally) and makes lots of pretty bubbles.
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What are the max elevations are used for planes and rudder ?
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Pretty much the same as you see in game.
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What angular speed can planes or rudder make ? Subjective judgement will help me too. For example: boat is submerged level at 10kts. How long does it take to pitch it to 5 degrees ? What planes elevation is used for that ? What are emergency possibilities ? If he pulled as much as possible what is the maximum pitch he can achieve ? If the boat makes maximum turn at cruise speed, how much can it be felt inside ? Is it slow that you hardly can feel it or is it fast as in car, or even jet ?
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A lot of this is priveledged info, but I can say that that the speed of which the pitch changes is directly influenced by ships speed. The faster you go, the more responsive it becomes.
Can you feel it inside?? During torpedo evasions it is a BLAST. The boat can accelerate fast enough that you can feel it move from under your feet. It is like stepping onto a moving escalator for a few seconds. You bank and turn like an airplane. I have experienced 30 down-angles with 30-40 degree rolls. When they want to, they can move the boat as gently as they want. By using the trim system, they can change depth with only minor changes in ships pitch and/or roll.