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Question about Tractor Traliors
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Source：Internet Author：Unknow Pubdate：2008-04-03
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phagan7 (Aerospace)
10 Mar 03 2:03
I have often wondered about the small circular objects on the sides of some tractor trailers. There are usually two rows and one column per 3ft panel. They stuck out about 2 inches from the trailor surface. Do the serve an aerodynamic purpose?
Any help would be appr.
phagan7@aol.com
TurboTag (Automotive)
10 Mar 03 7:53
I think you are seeing the backside of a tie-down pocket. The walls of most trailers are pretty thin so they can maximize the inside space. Some trailers have tie-downs inserted flush with the inside wall. Trust me you don't want any protrusions into the cargo space. These are used to secure the loads and keep them from shifting.
Tim
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