Come on, Send Clowns. Don't be too hard on poor old BEags.
He's got a point you know.
We talking here about the difference between casual (sloppy?) and thorough basic understanding of the triangle of velocities here.
I've been flying a fair old time as well and I know what I would use if the vis. was really poor.
We can all remember the 97%, 87%, 75% etc. of max drift ( sin of...)
How many times have you been sitting there waiting for the second hand to come round and there it loomed - that difficult waypoint, right on time, - because you'd taken the trouble to plan it properly ?
Think about it.
Rgds, Sleeve.