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Originally Posted by Blacklight
Ok.. I'm going to go for it. I usually do run my Uboat on the surface around 8 knots. I'm going to head up north of Scapa Flow and then turn southwestward toward my assigned grid.
What's the best method I should use to conserve fuel so that I can drive myself back ? What I usually do is dive and go at about 4 knots then surface to recharge at around 8 knots, and then dive again...and repeat the process.
I always drive back to port after each mission and never warp back...and it looks like they just dropped a milk cow right near my patrol grid too. They must really love me !  |
Well, going under isn't going to save you fuel. This because the diesels burn plenty more fuel to get the batteries full again. After surfacing and setting speed to 8 kts means your engines burn fuel at about a normal speed of 12 kts to both power the boat and charge the batteries.
What I normally do is set speed at 8 kts manually. You can let your navigator report on range on current speed while playing around with set speed. My experience is that 8 kts is the speed where uboats get the most range. Note that sailing deep is better in lousy weather in GWX2, because heavy seas and wind give your diesels much more work and thus lower fueleconomy.