Swing Wing VC10

Watching this as Shawcraft Models was in Uxbridge, my grandfather worked on both the Dr Who movies and we often went past. I was amased to see In the middle of the film there is a model swing wing VC10, was it from a movie or a proposal for it? They are seen making models for ford so perhaps it was made for Vickers

https://m.youtube.com/watch?v=1M_t6okgEa0