Originally Posted by MadSci
I've seen both used to describe that flap setting. Although 8 is the more common, it (the 8 or 10 thing) partly stems from the fact that the IB and OB flaps don't go to the same angles.
The point is that there is no 10deg position for the flap lever. Only 8, 20, 30, and 45. Neither are there performance numbers for flaps 10, only for 8 or 20.
Nice recovery on the IB/OB thing. Pretty sure this is the first time I hear something quite that creative. And to think, all this time I've been going by what the lever and the ED1 say. I should have been thinking the whole time "Gee, I wonder what angle my OBs are at."