As an aside, pictures have emerged of an instrumented Class 800 on test running in Cornwall, with a bare metal area. Changes have been made to add additional plate in the affected areas, and to extend and thicken webs above the yaw damper.
800103 with 1W11 10:00 Kings Cross - Aberdeen, Dalgety, 7th January.
A few minutes later, 43149 (+ 43131) on a 5-coach set, 1B32 13:13 Aberdeen - Edinburgh.
The same pair of trains, at Aberdour, on 13th January. 800113 with 1W11.
43164 (+ 43142) with a 4 coach set on 1B32.
