Clearly, our OP has been borked by the whole idea, and has cut it apart. ;-)
Do you guys remember something called the torsion-air girder? I’ve been thinking to try something like that for a long time, but for the life of me I can’t remember who marketed or built it.
Anyhow, it’s claim to fame was that it looked just like a rigid girder, with the handlebars integrated into the whole chromed assembly. It didn’t appear to have any suspension until you looked at the bottom. It actually has rockers and the tail of each rocker connects to a rod that disappears inside the girder.
Up at the steering level each rod connects to a little lever, rotating a torsion bar.
It’s a really cool design and it’s clean because it doesn’t have coil springs or shocks or gaiters or anything like that.
But the downfall is that it’s not adjustable. The handlebars are going to be where they are going to be.
It really needs to be built custom for each bike/rider. My idea is to build one that just has clamps on the top, and you can put whatever bars you like on it.