John,
I'm so pleased to see that one (or more) of my favourite diesel locos has survived. EE was one of the truly innovative engineering companies, as was Napier before them.
http://http://www.l-camera-forum.com/leica-forum/sports-leisure-time/57188-ready-really-rumble.html
Putting all the forces in three directions really seems to work, although the Deltic is the antithesis of the Napier Lion.