big gears for 4wheeler three is a crowd shocked fibre fwd
note same piece re-usage old timer treadler two frame pieces
uni-cycle hard to change directions mid-steer frontwheel drive multiple-link linear drive
tandem articulated quad with center bend steering rachet drive 2 wheeler concept
rachet drive scooter wooden main frame Heikki Kaarianen slida scooter
RWD each person drives only one back wheel aluminium monohull fwd rws offroad concept trike
sprung front end with anti-drive brakes aero-solar side drive one piece crank setup
small wheel pederson not so aero-wheel ? but possibly very strong brake one wheel to turn,drive thru differential note heel clips good idea for under seat steering bikes to prevent being dragged under the bar
partily faired trike formula 1 type suspension rear suspension offroad quad
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