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Originally Posted by Mikhayl
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Originally Posted by PhantomLord
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Originally Posted by Grayson02sept1980
I think it was a daily routine to check if everything is ok for diving; check if the depth ruder and trimming tanks/vents... whatever worked
I am by far not an expert and I know little but I am just guessing.
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Correct so far.
Boats behaviour under water is affected by many things
- water density and temperature - affects the amount of water to flood the tanks for a designated depth
- fuel and food consumption over the last day - it affects the weight
Chief engineer has to watch all these things and has to calibrate the boat every day. It´s all a matter of mathematics 
If the boat is trimmed wrong you´ll stay too long on the surface or go deep much too fast. |
I'd add that if the boat isn't trimmed properly it can be "heavy" on the bow or on the stern and thus very difficult to sail underwater |
Right, thanks 
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