GT2 TB for 9.1.2.15.D
#35160 from Grand Touring Committee · Recommended to the Board · Minutes (2023-12 Fastrack)
In GCR, Section 9.1.2.15.D.1., change as follows:
"The wing shall be mounted to the trunk/deck lid trunk lid upper surface / deck lid upper surface with 2 mounting brackets. Each
mounting bracket shall attach to the wing at a point that is at least 2.0 between 4.0 and 30.0 inches inboard of
endplates, including the entire exposed vertical structure. The wing, and the portion of the mounting brackets located externally
to the trunk/deck lid trunk lid upper surface / deck lid upper surface, may only be reinforced by a diagonal strut having no
aerodynamic effect, and/or by affixing the external parts of the brackets within the trunk/cargo area. The internal parts of the
brackets may protrude through the trunk/deck lid trunk lid upper surface / deck lid upper surface to allow the two parts of each
bracket to be fastened together. The exposed side view portion of the wing mounting brackets / posts shall not exceed 100
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square inches each. Curved brackets / posts will be measured as if they are in a flat plane as viewed from the side. Mounting
brackets / posts must have no additional aerodynamic purpose."