I think what i found before is in here somewhere but cant check
417_TBSK70826f_Meldon_060304 - Martyn Read - SmugMug
and put some photos of the O gauge 4TC I built in the EMU sets in below
www.flickr.com/photos/milesperhour1974
Does this help
80's Rail | Class 438/491 (4TC)
As done one of these units in 7mm had to look for photos a few years back and cant remember where I found them. Had a feeling it was on the archieve section of RMweb but not sure
Michael