Never gone that long - also - there's a big difference between VIIB and VIIC. Can't remember exactly, but I think a VIIB is like 4/5 VIIC in terms of fuel. I try to keep my patrols short - less risk. Time spent roaming around at sea risking air attack. Especially when you have to spend the days under (>42), I'd rather get out there, find a convoy, rip the sh&T out of it with my whole payload, and get back asap. I'm always eager to get back to port and check for new technology.
Kb
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