Re: Wheels go round and round

["Paul Hunt" <paul.hunt1@blueyonder.co.uk>]

The *effective* circumference is governed by the radius at the point of
contact with the road.  The *actual* circumference is immaterial.

PaulH.

----- Original Message ----- 
> Surely what matters is the circumference of a tire(tyre to us poms) If
> the tire's a bit squashed at the bottom it will affect the radius at
> that point but the circumference is not changed.