A fellow in Holland came up with this one. I'm thinking about trying this one myself. Here's a building thread over on RCGroups/Foamies. Lots of good E-info there and in the 3D forum too.

[link=http://www.rcgroups.com/forums/showthread.php?s=&threadid=182433]FuntanaMini[/link]

Here's a basic plan [link=http://www.rcgroups.com/forums/attachment.php?s=&postid=1649689]FuntanaMini Plan (PDF)[/link]

Karl