# Push Rod Suspension Geometry Question Camber Change Wheels

Gianluca Bush
Hey,

I've spent ages trying to solve what seems to be a pretty simple geometrical problem and I was wondering if anyone could help me solve it/give me some tips. I am trying to model how the suspension of a car behaves as a result of a displacement of the wheels.

What the attachment shows is a double wishbone suspension connected to a fixed chassis - similar to these sorts of mechanics: http://rezachu.blog.com/files/2012/12/KugelPushrod.jpg[url]http://rezachu.blog.com/files/2012/12/KugelPushrod.jpg[/URL]http://poisson.me.dal.ca/~dp_10_14/oldarchitecture/images/bc.bmp

The suspension arms rotate about the fixed pivots on the chassis (at points A and E) and the push rod goes on the compress a spring/damper.

So my question is: for an anti clockwise change in angle (delta) in the horizontal member, AC, how will this deflection affect the position of D, G and H - all in terms of the given geometry and angle, delta.

Apologies if I have not phrased my question clearly.

#### Attachments

• PushRodCarImages.jpg
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