It helped to remember that it was mainly Steve Fay who brought it to our attention in the early days so a search on 'JLTRT' and 'Compton Castle' (Steve's nom de plume) found the thread immediately.Beat me to it; took a while to find as "Class 47" isn't in the Thread Title
News from JLTRT | Page 4 | Western Thunder
... and "47" is rejected by the Search facility as "too short" a word anyway!