Set TAS at the centre.
Set 090 at top (heading).
You are drifting 5 deg starboard -
find the 5 deg starboard fan line.
Run up this fan line until you reach
the 520kt arc.
Mark a cross at this point.
Rotate the cross until it is placed
on your vertical speed line (it should intersect this line at about 420 kts (480-60)
Read off the wind direction from the
top.