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Originally Posted by beartooth91
I haven't brought this up before because 1) there wasn't a topic to do so, and 2) I'm not sure what can be done about it game-wise:
I am an ex-Navy Nuke submariner (USS Pintado SSN-672 '87-90), and US subs - including WW2 fleet boats normally surfaced without air. When submerged, boats are normally trimmed to have a slightly negative buoyancy (so going to all stop to preserve the batteries isn't realistic either). Just prior to surfacing, the order "Prepare to surface without air" is given and the boat is driven to the surface with propulsion. At this point, the main deck is awash and the shortly thereafter, the Low Pressure Blower is started which blows the remaining water out of the ballast tanks. My reading indicates our WW2 fleet boats surfaced the same way - I believe, the LP Blower in those days was called the Turbo Blower. If memory serves, it took Pintado 10-20 minutes to reach a normal surface running trim after the LP Blower was started.
Just my 2 cents here.
beartooth91
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I don't remember trimming with slight negative bouyancy. What I remember the goal being is a 1/3 trim. Memeory might be a bit off, but it was ahead 1/3, 1 or 2 degree down angle, hands off the planes and helm with no depth drift or course drift.
But the surfacing without air is right.