Second round of newbie-ish questions

[Kavok]

Thanks all for the great responses last time out.

Couple more for you:

i) Dynamic campaign; how dynamic is the campaign? In the last 4 patrols I've rid the Royal Navy of 11 destroyers and 2 light patrol craft, will this make a difference to the amount of warships I'm seeing in the game at this point?

ii) Convoy attacks. I'm getting pretty good at hitting lone targets, especially if they are steering a straight course - my hit rate must be up at about 90% on 79% realism. However, when I'm attacking a convoy my strike rate is abysmal. It's the same process I go through - dive to scope depth; set attack vector, weapons officer to station; calibrate weapons for target; wait for them to close the gyro angle; outer doors open; shoot on zero angle. All using G7e and magnetic fuses.

They just seem to miss against convoys. Sometimes if I've got a good position I'll set my rudder to five degrees (once all targets are loaded in fire control) and "walk" my fire across the convoy - shooting one weapon at a time - but I'm still firing for the correct depths and zero gyro angle - would this affect it?

A bit stumped really - and it's October 1940 so I'd better start getting this right quickly!

If it makes any difference I'm in a Type VIIB with Sabotage off.

Ta, KvK