1 Jul
2006
1 Jul
'06
6:38 a.m.
On Sat, 2006-06-17 at 22:02 -0700, dwight elvey wrote:
I have even measured air flowing back towards the
fin's output, right in
front
of a fan and not much more than 8 inches away. Before understanding the
flow,
I can well believe that - airflow is a funny thing. I've observed
raindrops blowing up the bonnet of a friend's Landrover, running down
the side, and then flowing *forwards* back to the front again. This is
at 50mph into a strongish headwind!
Gordon.