[AVGWarhawk]

Correct! Every value must be erased and fresh one entered on every vessel targeted.In simpler terms as the British called it 'is was' only German engineering turned the mathmatical 'is was' into a real time ever changing reality of the torpedo path. Therefore the British boats had to basically aim the boat using 'is was' were the German TDC was done mechanically and these value fed into the guidance system of the torpedo. So clear the pad or the TDC will be using the old values. Yes,one well placed torp on a liberty ship will break it in two as well as C2 and C3. Normally I get to within 1500m for my solution because you are close enough to account for any small miscalculation using the scope or UZO...unless you do some outlandish miscalculation! I generally find that incorrect AOB can cause a major miss so I attempt to make that bit of information as correct as possible. I always manually dial in the speed of target on the TDC...basically the merchants are doing 7 knots. I find using the stop watch gives outlandish speeds. I never use it.