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Originally Posted by Sailor Steve
The generators were geared, two to each propellor shaft. The diesels drive the generators, which supply the electrical motors. Speed is governed by the motors. When submerged the generators are driven by the batteries, and when surfaced they are used to recharge the batteries. If two generators are driving and two are recharging, it is beneficial to have the diesels driving the recharging generators to run as fast as is feasible, even if the others are driving the boat at ahead slow. That's what he meant by "ahead flank" - not the speed of the boat, but the speed of the recharging diesels.
http://www.maritime.org/fleetsub/elect/chap2.htm#2A |
But in game, if you run ahead flank when recharging, it will take a lot longer to recharge. If you go ahead flank, you put more engines online as opposed to recharging, being that we can't separate our engine controls. (separate engine controls would be nice wouldn't it.)