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Grant-53 · 07-10-2015, 01:26 AM

The vertical fin area gives a surface for the wind to push from the side. To minimize lift and reduce side wind load we use a curved body. The cross section is like an inverted egg with the larger radius at the top.

07-10-2015, 01:26 AM	#2 (permalink)
Grant-53 Master EcoModder Join Date: Feb 2010 Location: Elmira, NY Posts: 1,790 Thanks: 320 Thanked 360 Times in 299 Posts	The vertical fin area gives a surface for the wind to push from the side. To minimize lift and reduce side wind load we use a curved body. The cross section is like an inverted egg with the larger radius at the top.