I stopped by....
Seemed to be working alright, with an occasional sticky uncoupler. The rear wheels on no.2's tender occasionally lost contact with the rail, which suggests the frames or axleboxes may not be quite straight.
I even overheard some conversation about a modeller of a real location who, on being told by someone that his father worked at that place and grew runner beans in his garden, actually went so far as to model said plot of runner beans, ready for the next show....