Rail tech history: horsepower myth → steam → modern mega projects

A 5-beat faceless video outline for “Rail tech history: horsepower myth → steam → modern mega projects” in the Rail and transit journeys niche, derived from caption timing of 2 reference videos.

Angles

• From iron horse to diesel and beyond
• Caption-backed references: Modern Marvels: Freight Trains are the Life Blood of the Economy (S12, E36) | Full Episode | History; Modern Marvels: The Railroads That Tamed the Wild West (S2, E9) | Full Episode | History
• Reuse the beats only — narration must be original; cite sources on screen

Beat-by-beat structure

1. Hook (0:00–0:30): 1869: the transcontinental line opens.
2. Beat 1: Steam: how it worked and its limits.
3. Beat 2: Diesel: why it won.
4. Beat 3: Modern control systems.
5. Close: Recap timeline. Original narration only.

Method

yt-dlp VTT captions (uploader-provided, not auto/ASR) → timed beat heuristics → editorial topic synthesis. Structure only; write original narration.