Re: WOW ! I thought I was on my own...
I spoke to Chris Corker today about the Wall Autowheel and whether it was possible to fit a modern version. He is investigating and will let me know.
Another thing which we touched upon was the use of a pusher trailer. It would probably mean the bike being registered as a trike unless the wheel diameters were small enough to fall within the "adjacent axle centres" rule. Do it that way and you can have a 4kw diesel registered as a moped.