Craig
Thanks for commenting and kicking around the idea. At first I was going to use rollers on the bottom of the slide out, that rolled on top of the main floor to help support the weight. This meant you needed to roll up the main bed. I redid the design again and this time I use rollers on rails. These rails are part of the forward and rear internal cabinets. The rails also support the side wall and the weight of the slideout. With this design you can have a slide out on both side, and still keep the main bed on the floor. It would work well if you had another way to enter the camper.
If the slide out was just a little bit above the main floor you could have a door in it. like any old teardrop. Raising the slide out higher would make it hard to get up in to.
A two slide out idea might be better suited for a camper that you entered from the back more like a Wild Goose. If you entered from the back, the back cabinets and rails will have to go. The rails can be made removable, so you temp install them just for sliding in the bed. I have not played with any design that had a back entrance. I might have to kick this one around some more.

