Our IG32 flybridge helm is located forward.
With a single Cummins 330 6BTA, if we want to burn the fuel, and fairly heavily loaded and towing a RIB, she'll go 12.9 kts over the ground at 2725 rpm in still water. But we are a bit over propped at the moment (to be rectified next winter). When we first got the boat it had a different prop and we managed to eke out 13.7 kts at 2800 rpm.
We cruise at 1800 rpm which gives us about 8.2 -8.4 kts.