Why are two slimmer wheels paired on each side of the axle in buses and container carrying vehicles, instead of a single large broader wheel?
In: Engineering
There are technical and commercial aspects of this
1. Technical
— better weight distribution ( two tires lead to better distribution of load on the surface, limiting the extent of pressure exerted on tire)
— higher safety factor (in case of air pressure loss, the other tires can still support the load, providing higher reliability),
— Stability (provides better grip and stability when turning, on when on uneven surface, avoids tipping over)
2. Commercial
— a single wider tire will lead to higher cost in terms of production, installation, maintenance, and repair
Hope it helps. Feel free to ask questions or connect.
Thanks
AbhyuK
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