The way to do it is to remember that as the collective comes up and the power comes in (use torque as your guide) the aircraft will sideslip to the right, and left bank and nose down will be needed to keep the speed up and the turn stopped. If you let the speed drop, you will spin like a top and ruin your day!
Worked much the same with the Lynx, although we could maintain height(in the simulator of course!!).