from unlimited fuel to limited fuel

[Hinrich Schwab]

Originally Posted by Akula4745

If you go to limited fuel - remember to watch your speed. 7.5 knots was recommended to me for best range/fuel mileage.

Good luck!

Correct. 7.5 knots is hard coded as the most economical fuel speed. Across all the Silent Hunter games, you should be able to squeeze 9000nm out of your u-boat (not taking into consideration the silly extension skills in 5).