Quote:
Originally Posted by AS
Hi guys,
4) Blowing the Ballast tanks takes about 70-80% of compressed air. I do know that the type VII hadnīt much compressed air compared to other Subs at that time, but I also know that they only needed a little bit to surface (they used the Diesel exhaust-pressure to blow out the remaining water) - reportedly they sometimes had to crash dive, surface, crash dive several times in a row, so using up so much compressed air cannot be realistic.
On the other hand, refilling compressed air with the compressor seems way to fast, it only takes 2 minutes or so.
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I can help with Q4: When the ballast tanks are full, you will be able to change depth using the dive planes and forward motion. You want to wait until you are at PD or above to blow the tanks. If you are at 50m, the water pressure is greater than PD and thus takes a lot more air to move the water out of the tanks.
Yes, the devs did model water pressure on the hull.
