MJO21 wrote:
Do you think the "ultra lite" would be safer. ( dry weight 5100lbs). Or be more dangerous because "ultra lite" is lighter therefore weaker?
There is nothing unsafe about the Trail-lite. It used vacuum laminated walls, roof and floor to minimize weight. Walls use minimal aluminum studs, only around the perimeter and door/window openings. But this is no different than advanced home construction like SIPs (structural insulated panels). Weight savings in the superstructure and interior furnishings means the frame and running gear can also be lighter.
My Trail-lite was solid. There have been other brands of lite units that were not as well built as the TL. I think you made a good choice. The completely smooth underbelly is also more aerodynamic than any other fiver. The only problem that some owners experienced was excessive floor flex, the floor is 3 inch rigid foam with 4x8 sheets of plywood glued on top, but glue failure at a joint allows separation of the plywood and foam (especially at high traffic areas).