ZH875; thanks for the link.
Yes I did find similar clips and have managed to come up with a workable solution, even if it has caused nearly as many problems and delays as the real undercarriage did!
Just about finished now and starting covering.
I had noted the comment from JF several years ago about the lack of wing and the wing area was increased by 15%:
My take on the episode was that this was simply a disasterous piece of uncontrolled project management. If TSR2 has taught us how never to undertake aerospace projects then it hasn't all been wasted.........but she is still the most iconic enigma of the 1960s.