I specifically do not cherry-pick targets for max tonnage... Once, I happened upon two cruise ships in a single patrol. Sank the second one using nothing but the deck gun.
Managed to top 100k on that single patrol and haven't bothered trying to duplicate it since. It wasn't a patrol I was particularly proud of.
I'm much happier with my current patrol in which I just sunk a 5000 ton merchant in severely choppy seas just North of Scapa. Fired a 3-fish at 2° salvo and all 3 made solid side impacts! I was able to surface and allow the crew (and myself) a view from topside as she went down...
