RE: Super Sportster 90/120
I haven't finished mine yet but I can tell you that the center section of the wing builds very strong.
Here is what happened to mine.
I set the wing up vertical in the garage beside where I park my Tahoe. The garage was open and the wind came up and blew the wing down. When I backed out the Tahoe I forgot about the wing and I drove up on top of in at the center. As soon as I did I realized what had happened. I careful drove off. To my surprise the wing was not crushed. It sustained only minor damage and should only take a couple of hours to repair.
Good flying
Lee