Amen, Bevan666
cjam, your 'C-206 checkie' shouldn't have had a problem with your POH power setting, sounded fair enough to me.
Woodend1, I just had a bit of a look through my bookshelf and found my trusty old 1981 U206G manual and it has 3 maximum glide speeds 75/70/65 depending on weight. Curiously, and it's all coming back to me now the Engine Failure Immediately After Takeoff has an airspeed of 80KIAS. Another one is Engine Fire In Flight which has a target of 105KIAS.
Safe flying