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Originally posted by Travellar
I'd think the tube would increase drag, and reduce efficiency instead.
I've never had a problem with the appearance of wind turbines, though certain schitzophrenic eco groups attack them on enviornmental grounds.
Originally posted by TheGoodDoctorFunk
That thought occured to me. I was thinking back to two brick buildings in my hometown. They are right next to eachother lakeside, and have a 8 or 9 foot alley between them. On the right days, it is significantly windier (sp?) in that alley than on either side of the buildings. But then again, even I would be against 80, 90 foot tall concrete walls