... No idea!

Big progress, I have machined and glued up the rear hubs with the two gear options, 4:1 and 3.3:1

Although this will mean having to change wheels to change gear (which could prove tricky whilst going along) at least James will have a couple of options come the big day.

Having to use just glue to connect all the different vital components is proving to be a slight problem, It's not the glue, it's the temperature.  This recent cold snap is playing havoc with my schedule, it takes a couple of hours to get the workshop up to a suitable temperature for the glues to work properly. Hurry up Springtime!