Shaping Up

At our last visit the first piece of interior plywood had been test fitted.   Yesterday and today we installed that piece of plywood and created the major cross-members for the front of the trailer.  These cross-members embed a 1/4-20 threaded rod from side-to-side to tie the sides and fix the orientation.  Here the plywood is permanently installed, and the two lower cross-members have embed threaded rod.  The top cross-member is nailed, and picks up the edge of the interior plywood.

Shown below is a detail of the 1/4-20 threaded rod at the side of the trailer:

 

Each cross-member is notched at one end to accommodate the flexible ducting for running electrical wires.

Shown is a short section of the subduct.  DC current will be routed through one subduct, while AC will be routed through another.  The pathways thus created will permit pulling wires through the same pathway in the future, should the need arise.

With the inner plywood permanently installed and the threaded-rod cross-members in place, we added cross-members to help fair the outside curve, and to receive the edge of the outer plywood sheathing.

This completes the structure of the front third of the trailer.  Next, we can either approach the middle section structure and/or begin construction of the electrical cavity so as to support the wiring process.