Video showing G004 clip from Ron Gray's film.   The Avro Ashton was developed from the Avro Tudor airliner and powered by four Rolls Royce Nene turbojets, the Avro Ashton was used for research in the 1950s, with a total of six examples being built. (Thanks to "The Encyclopedia of Aircraft" by Robert Jackson). There is no sound with this clip.   This clip runs for 9 secs. (Thanks to Ron Gray for original film.)