By the way, the SketchUp picture of the
Odyssey (above) is where I tried to shorten it. In that picture the
trailer was shortened to 12 feet, or 3.6m.
The
Odyssey design might work as a homebuilt if the front profile is heightened (made higher). Doing that will essentially transform the
Odyssey into Mike's Rockhopper. Personally I would have hinged the Rockhopper more to the front, which would have given more headroom.
I would have hinged the Rockhopper something like this (notice the grey line):
