your observation is interesting, and is a further proof of the goodness of the equations.
Thank you.
if someone other have a demonstration I will be grateful to him
Hi,
first sorry for my bad English, I am more skilled to read than to write in English
I don't know if this is the right section for this topic.
The problem is described in the title of the topic.
My guess is that each of the two wheels goes on with circular trajectory around a same...