[cuban leaf]

A lot of the vertical axis windmills are very bird friendly, partly because of their small footprint.

[hecticskeptic]

A lot of the vertical axis windmills are very bird friendly, partly because of their small footprint.
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Small footprint means small power output... not that it matters because all IWTs are useless.

[joshua c]

by bird friendly, do you mean kills less birds?

they should have some sort of light/sound system to keep birds away