At last, some progress has been made! Of sorts
I took my chassis and the parts to modify it to a local welder / blacksmith to have all of the welding work done by him as it had become obvious to me that I simply would not have the time to do it myself. I should get it back on Friday morning ready to apply some rust preventing paint. It should be a good job, as he made the new gates to Glamis Castle, the former family home of the Queen Mum - and they are of a very high quality. So, I'll post a photo in due course.