The 100,000-Pound Traction Miracle — Inside The Union Pacific Challenger's Insane Engineering
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YouTubeCab Forward
The 100,000-Pound Traction Miracle — Inside The Union Pacific Challenger's Insane Engineering
The Union Pacific Challenger 4-6-6-4 was a revolutionary simple articulated steam locomotive designed to conquer steep mountain grades without destroying the rails. This video explores the incredible mechanical engineering behind its massive boiler, high-speed capabilities, and heavy tractive effort. We also examine the intense roundhouse ...
1 day ago
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