Kid-friendly machine explainer: how steam / traction works

A 5-beat faceless video outline for “Kid-friendly machine explainer: how steam / traction works” in the Rail and transit journeys niche, derived from caption timing of 1 reference videos.

Angles

• How steam and diesel traction work, for kids
• Caption-backed references: Modern Marvels: Freight Trains are the Life Blood of the Economy (S12, E36) | 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): A locomotive pulls 100 cars.
2. Beat 1: Steam: fire → water → steam → push.
3. Beat 2: Diesel-electric: engine makes electricity, motors turn wheels.
4. Beat 3: Why traction (grip) matters.
5. Close: Quiz recap. Original narration only.

Method

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