Posted by redforlife on January 18, 2023 at 09:01:17 from (174.213.208.205):
During the end of the steel wheel era (when manufacturers offered both steel and rubber), steel wheels seemed to be shorter wheels than thier rubber tired option. This would be like for the letter series farmalls. But other manufacturers also seemed to reflect this.
The outside point of the lugs really didn't go out as far as what would be the outer diameter of the tire (if rubber). And this didn't account for the lug (spade) going into the ground. Which actually even made them shorter. A rubber tired version of the same tractor always stood much taller. Probably a good 6 inch difference in the height. And yes I know, it'd only be half that at the axel.
Why was that? They sure would of noticed the height difference even at the factory. Somebody would of had to of scratched thier head, and said, these steel wheels we're putting on are shorter than the rubber tired wheels. But that's not what I'm getting at. Is what I'm getting at, is that this wasn't an un-noticed situation. Which means that the wheels were engineered this way.
Any thoughts as to why a steel wheel version was a lower profile tractor (because of shorter wheels)? About the only reason I have come up with, is steel wheels do seem to rob some power. The looser the dirt (further in you sink) the more power is lost. And making a tad shorter wheel, would gain some of that power back (more engine revolutions per foot of travel).
Is thier anyone that can shed a little light on this?
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