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niky · 01-13-2015, 04:31 AM

A brick wall with a hole in it will make more wind noise than a flat brick wall, but it will still have less drag.

01-13-2015, 04:31 AM	#28 (permalink)
niky Master EcoModder Join Date: Aug 2010 Location: Philippines Posts: 2,173 Thanks: 1,739 Thanked 589 Times in 401 Posts	A brick wall with a hole in it will make more wind noise than a flat brick wall, but it will still have less drag.