Looking good!
Looks like a Gypsy wagon!
Just an idea, I would put a sheet of 5/8's real plywood on the trailer boards, after caulking the cracks and painting them well with Urethane, and then do the same to ply wood, and put it down for your floor. remember the weather at the Classic, "and think about putting pontoons on the side, and an outboard motor pad, on it"
. I saw a really neat small house boat, years ago, it was a pontoon boat, with an angle iron, frame on it, and the boat had a truck camper on the frames, and secured by big thumb screws, and brackets. He pulled the boat up out of the water, and on to his trailer, and then slid the camper onto his truck!
It was a really neat setup! Are you going to insulate it? Looking good. Careful, you might have mullet for a roomy, he can stand up in it also. And he is already used to the Formaldehyde fumes. A Classic, bound for the Classic!
Wayne