Hi,
The CubeSat program is very large and successful. The guy who got it all started is Bob Twiggs at Stanford. If you need links, contact info, and so on, please reply and I'll dig up more information.
Hi, I guess from the date of this post you have already solved this problem. However, if you haven't, I wanted to say I think the answer depends partly on whether you believe the tensile force on this part (the load from the trailer) will be aligned with the changed part or be truly horizontal...