Here is a quick video showing you how i made my AXN have removable wings, using magnets to hold them in and the spar to keep it rigid, nearly 6 Kg of force holding the wings together.
Here is a link to the skids : http://www.thingiverse.com/thing:683571
If you do not have a 3D printer i could print them and sen them if you want?
Here is a link to the magnets : http://www.ebay.co.uk/itm/221638359028?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT