Why Do Trains Use Steel Wheels Instead of Rubber Tires?

By History of Simple Things

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At first, steel wheels rolling on steel rails seem like an inefficient choice. Unlike rubber tires, they provide very little grip. So why have railways relied on this design for nearly two centuries? In this video, we explore the engineering and physics behind steel train wheels, including how low rolling resistance helps trains move enormous loads efficiently, why steel can handle extreme weight, and why trains don't need the same level of traction as road vehicles. We also look at durability, high-speed rail, and the specialized rubber-tired trains used in some metro systems. Timestamps: 0:00 – Introduction 0:58 – The Secret Is Rolling Resistance 2:17 – How Steel Wheels Carry Massive Loads 3:27 – Why Low Grip Can Be an Advantage 4:42 – Steel Wheels, Speed, and Durability 6:02 – Could Trains Use Rubber Tires? 7:18 – Why Steel Wheels Still Win #Trains #Railways #Engineering #Transportation #Science #HowThingsWork #SteelWheels #TrainFacts #Railroad #HistoryOfSimpleThings

Tags: #HistoryOfEverydayItems, #HowItsMade, #BehindTheProduct, #SimpleThingsExplained, #EverydayInnovations, #ManufacturingProcesses, #FromRawToFinished, #TheMakingOf, #EverydayWonders, #ExploringOrigins, #UncoveringCreation, #TheStoryBehind, #CraftingEssentials, #OriginsOfInnovation, #DiscoveryOfCreation