That Avion frame will consist of three 2"x6" box steel members running the length of the trailer and I think some 2"x4" box added in the wheel area. Across and out from that are some cross members that are metal. I would guess the outermost pieces are heavier than what Airstream uses. There is no "frame flex" compared to AS. On the lower edge between those outer cross members is a wrapped sheet of aluminum that goes under the trailer and is fastened to the outer two 2"x6" frame members.
Avion used those gaps between the cross members for storage compartments.
PaulnGina
1987 Avion 34W
1995 Ford F250 7.3L PowerStroke
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1987 Avion 34W
1995 Ford F250 7.3L PowerStroke
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