How did the design philosophy of George Stephenson differ from the early Trevithick locomotive?
Answer
He focused on improving adhesion and reducing weight relative to power
While early designs like those of Trevithick focused on demonstrating the raw potential of steam to move massive weight, later engineers like George Stephenson shifted the focus to practical, scalable operation. Stephenson's work prioritized improving adhesion—ensuring the wheels could grip the track reliably—and optimizing the engine weight so it would not damage the tracks. By refining boiler design and valve gear, these engineers transformed the steam locomotive from a brute-force prototype into a reliable, efficient tool for sustained commercial transport.
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