I did not do this post in the right sequence as I just could not locate the photos that I knew that I had taken..
Anyhooo... I found them!!!
This was one of the last things that Dad and I did prior to his departure to Bombay.
We isolated what would become the chassis of the trailer and discarded the remainder of the frame. We used some of the rubber caps from other parts of the frame to seal off any openings that would allow the ingress of water.
I have to start building the box one of theses days.