Art Unwin wrote:

...
Problem there Cecil is the windmill effect
on the rotor. Even tv antennas in the Midwest get a hammering
while power generastor windmills are sprouting all over the place
to harvest same. One of these huge windmills lost one of its blades a
short time ago

Hardware cloth, cheap, indestructible, easy, widely-available, etc. ...
don't under rate it!

Regards,
JS