sketch 2
solving some problems of the first, it straightens out as you brake the backwheel.
but dont brake the front wheel ?
(because frontwheel moves back a bit when you steer, but with enough pos. trail i am not so worried)
from prev. sketch
the arms moved to the front.
here is some calculator for these mechanisms
Four-Bar Linkage Position

Uno di voi
Or, one of us camel bike riders?
Vreten cam
Michelangelos fresh painted bike
Michelangelos fresh painted bike.
Interesting links
Outstanding bikes people invent, and make.
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updated; 02-06-2009