Erratic walk

pilou

What I have missed?
When all wheels are going in the same way that works not as enough that I expect
Model by Orgelf

cdauscher

Hello Pilou,
your wheels are no cylinders !!
http://sketchyphysicstutorial.googlepages.com/
http://sketchup.google.com/3dwarehouse/details?mid=5cde5f472d011a8de5e98147217ea8c1&prevstart=0

Stoff

pilou

Hey! your models are some crazy
I am astonished by your results

@unknownuser said:

Not cylinder?

Aaaaaaaaaaaahhhhhhh!
I understand! Many Thx for the input

It's a long way for manage all that
With a sphere it's a little more acceptable

pilou

But seems there is also an another solution?
Put an external "Group Joint" and take the Layer invisible
Of course this "group joint" must be spherique, cylindric
but real car's wells don't rotate so maybe not a goo solution
Edit : that can work, but "front car" or "back car" around the wheel must be segmented

exo.skp

CPhillips

Thanks again for the excellent answers Pilou!