I'm very interested in designing an alternative to this excellent design,interested in websites showing pictures and other info.Thankyou

You've seen S&S 's solution?

There is a guy on this board that hacked a bike and inserted headset stems into the tubes. Find the post for details.

Other Separable bikes: Moulton Bike Friday iXi. I think there is a bike called puma that has some wierd cable system.

Gaitex may also be separable.

I'm very interested in designing an alternative to this excellent design,interested in websites showing pictures and other info.Thankyou

Being a Ritchey owner, I'd be very curious about what you come up with. PM if you would like to talk more.