Ive managed to sink large c3's, medium tankers and fiji light cruisers, and troop transpots in one hit.
If you got grey wolves, go to Dover... theres a troop transport early in the war thats in such a easy place to attack, just do it from plus 3000 metres so you dont have to go into the port, shoot one torpedo at the rear lifeboat, and that should take it out in one hit
*must be where the fuel tank it*
some ships are so easy... but most of the small ones, are so hard
