Impossible, perfect auto-moto suspension

This suspension represent geometry model of mechanical negative feedback. So it has incredible properties unreachable by other devices

Evgeniy An

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Description

ABC is a suspension arm. When wheel strike, point C moves up.
Point A moves up too. But at the same time arm ABC begin rotate around point B. This create negative move of point A down. Dew to this negative feedback total move of point A become zero in a fune tuning.
Why arm ABC rotates around point B ? Because point B is fixed by force of car's weight and spring compressing force.
The main property of this design that the spring don't contact to car's frame. So the wheels strike each other only.
BC'/A'B > 1 . Where BC' , A'B projections to horizontal axis.
Why impossible ? Because it can work even without the spring. It's good for central point only.
The case Fig. 3 needed the spring most. It's a worst case. But feedback works too.

Details

This scheme is more convenient for trucks and bikes. For cars in Fig. 4 this two suspensions better be close as much as possible to save the cabin space. Or even to use only one suspension for all wheels !

I made a small model many years ago. It was perfect.

Fig.5-8 are possible solutions for cars.

The lack of this project that the strikes don't eliminate fully here. But this direction has all possibilities to resolve it. All this improvements make this design more complex. So I don't introduce them here. To stay this project a basis source of further research.