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this post was submitted on 28 Nov 2024
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Fuck Cars
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If only there was a highly efficient mode of transporting people that didn’t use tires. Ah well, nothing can be done I guess.
My city's metro system uses rubber tyres, :(
I imagine it's still orders of magnitudes better than everyone driving their own car in.
Same with busses. Don't let perfect be the enemy of the good
Yes, imagine if there was a fast and safe way of transport. Something like made to run on steel bars in order to reduce friction. I don't know. I'm just imagining, I watch too much science fiction.
To be fair, the most efficient mode of transportation is cycling by far. I wonder if bike tires also contribute to this.
They do
I'm sure they do but it will be way less.
The wear rate should be proportional to the weight of the system (car plus cargo and passsengers, bike plus cargo and riders), maybe with some correction factors for things that affect wear rate like knobbiness.
Since bikes weigh a couple orders of magnitude less on average, the amount of tire wear material should also be a couple orders of magnitude less.
Edit: other lemmyer said wear is proportional to weight to the 4th power and that may be correct. I vaguely recall that from school now that they mentioned it.
It's that really true? Wear to the roads is proportional to the fourth power of axle weight so I would never have predicted a linear relationship.
Exponential relationships are still proportional.
Doesn't speed/acceleration affect it? If that is the case, that's another pro for bikes.
Assuming the material properties and physical design of the two tire types is identical, maybe
Bikes cause thousands of times less damage to streets so I wouldn’t be surprised if they also wear less.
And the size of bike tires is way less than a car tire.
Good point! Also much less weight.