Quote:
Originally Posted by rallybull
What you say makes sense if you assume that the wheels directly touch the ground. In that case the wheels and the ground form one effective body of infinite weight. However, bring tires into the picture and the equation is something like this:
EARTH --> Spring(tire) --> Wheel weight --> Spring (suspension) --> Car weight
It is going to be an interesting theoretical exercise to figure out how (and if) changes in the wheel weight will effect motion in the car.
At least once person in this thread(ronin) has confirmed from real life experience that bumps decreased after moving to a lighter wheel (but then again that could have been due to the non-RFTs too).
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Good pt., if you think of the wheel ex. tire as a intermediate pendulum-like object, then any mass above zero is negative as it needs to be damped against the car body