As many before you have realized honing a knife and honing a razor are not near the same, and the next lesson comes after you get it sharp and realize that smooth is more important

Here are some links to some Vids I did, one of them is specificaly for working the Norton 4/8 it might help you a bit...

That slight smile is desirable BTW that is exactly the edge profile you want, as it make for a easy shaving face friendly cut... Believe it or not there are special adaptive strokes to create that over time o a straight edge

http://straightrazorpalace.com/video...-gssixgun.html