Quote:
Originally Posted by Old Tele man
the tyre is squishing it away thru the sipes on the tyre...parting water from between the blocks & sipes to the sides of the tyres takes energy, which is resistance.
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And don't forget the non-trivial amount of energy required to pick up some of that water and "throw" it away from the tires.
I recall reading a calculation someone made on the volume (mass) involved, and it was surprisingly large.
Solution! Always drive on slicks!