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CFECO · 11-15-2011, 10:38 PM

Without triangulation, it probably needed a metal skin to have shear strength, otherwise the parallelogram structure could collapse under load.

11-15-2011, 10:38 PM	#13 (permalink)
CFECO CFECO Join Date: May 2008 Location: Vail, AZ. Posts: 552 X-Car - '11 Homemade 2+2 Velbly1 - '17 Toyota Camery XSE 90 day: 29 mpg (US) Velbly2 - '13 Toyota Tundra 90 day: 18.03 mpg (US) Thanks: 174 Thanked 60 Times in 56 Posts	Without triangulation, it probably needed a metal skin to have shear strength, otherwise the parallelogram structure could collapse under load.