I started a lightweight version of a Benroy. I am using a NT aluminum trailer. Sides are 12mm marine ply, roof is 1/4" and 1/8" Baltic birch, framing is vg fir and alder. Floor is a torsion box with 1/4" birch top and bottom with 3/4" birch ply ripped to 1" for the stringers. Insulated with Pink Panther foam. Everything is glued with West System epoxy.
I am trying to keep the weight under 500 pounds.
Moving axle
Sides, 18" radius at the front, 30" at rear.
Laying out window and lock location on the doors.
Door flanges.
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