Do some searches for Hang Glider racks. I used to be into the sport and have seen quite a few racks that would be perfect for what you need.
Im not sure if there are any commercially available ones, of if you'd have to build your own though.
Here are some ideas:
http://www.wonderwinds.com/Photos/glider_racks.htm
Good Luck!
- Dan
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SUT on order since 12/02 - 10 months to go!
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