I've started a pretty adventurous build of this particular engine and sort of got the first stage completed. In order to share my progress, I've published a video clip on YouTube:
http://www.youtube.com/watch?v=553i48WkJts (The video's owner prevents external embedding)
I've also been recording the design and build on my WordPress blog:
http://stevewithnell.wordpress.com/There are a few of these engines about, but many seem built to plan, which doesn't really seem to do justice to the kit that Stuart kindly provide!
Anyone else taken this model "off plan"?
Best
Steve