Bill
For a 30cc I would go with this one, here is a video too, I got the info from RJ. The 60/90 size Chippys are a one piece wing, the length of the wings is short enough to be carried in one piece.
http://store.aztechaeromodels.com/st...&product_id=56
http://www.youtube.com/watch?v=Fzvajtx3PVQ