BB wrote:
snip

There have been lengthy discussions on this; in short, the finding
was
that the width doesn't make that much difference. Seems
counter-intuitive
to me, but that's what they say.

Who is they : ) I was expecting at the very least twice the distance
and half the effort for my skinny tires. Hard to figure out if there is
less resistance why the same amount of energy is needed to go equal
distances all things being equal.