level 1 - simple on this level steam pressure does not go down, reverser postion does not matter if its postive its foward if its reverse is reverse, wheel slip if also less likley to happen level 2 - moderate/ learning on this levell steam presure does go down slowly, reverser postion matters as it currently does, wheel slip is realistic, this level would be mainly for learning and preperation for level 3 level 3 - realistic all things that we currently control are realistic
A good idea and it would help offset any excuse DTG might put forward for not reviving steam, on the basis it’s too complex for some users.