unusual frame measurements

Ok today while I was waiting for some trim to soak, then bend into the proper curve, I decided to rip the floor off the Timberline frame, and decide what size/type/ etc my next tear would be
Here's a pic
http://img.photobucket.com/albums/v111/ ... e007-1.jpg
the distance between the wheels (red line) is 5' 1/2"
The distance between the outside of the frame rails (green line) is 4' 6"
Can't go 5 foot, can't go 4 foot
Looks like whatever I build will be 4'6" wide.
Here's a pic
http://img.photobucket.com/albums/v111/ ... e007-1.jpg
the distance between the wheels (red line) is 5' 1/2"
The distance between the outside of the frame rails (green line) is 4' 6"
Can't go 5 foot, can't go 4 foot
Looks like whatever I build will be 4'6" wide.
