RE: Skybolt hangar and clubhouse
Wendell Hostetler makes plans for one that would be the size you are looking for. I'm sure there are a few kit cutters that could supply parts. No way I would bother to scale up the GP kit. It flies ok, but it's not even stand-way-way-off scale.
[link=http://www.hostetlersplans.com/skybolt.html]Hostetler Skybolt[/link]