The Orion booklet was recently (a) updated with new info and (b) the new second edition is posted on-line as a free to view/download PDF. Link = http://www.stephensonloco.org.uk/Orion% ... 20file.pdf
An e-book version (EPUB format) in final test state and due for launch soon. Again it will be free.
Retired for the 10 year overhaul at the end of 2011 Orion returned to steam in 2012 with improved performance following improved valve setting.
Due to steam at Locomotion Shildon at the modellers event in August and the steam gala in September.
2013 steaming dates:
3/4 August Model Mania event - Locomotion, Shildon
21/22 September Steam Gala - Locomotion, Shildon