To set it up using the lifts in the Warthog, just go to axis tune, check the slider option, open the throttle control to full military power, and using the dead zone slider, you can adjust the throttle so that the dots are overlapping in the graph, and then test it in flight. They may need a little very fine tuning to get it just right so you have full military power short of the detents, and afterburner as soon as you jump the detents.
Works very well, and you can adjust all the non-afterburner types so you just push to the detents for full military power in those too. The resolution is good enough that you still have fine control.