| Title | : | An hour at Tehachapi Loop - 3 freight trains |
| Duration | : | 22 minutes |
| Uploader | : | What I See |
| Added On: | : | 12 March, 2022 |
| Views | : | 1.7M times |
| Likes | : | 0 |
| Source | : | YouTube |
Why is it a loop and not straightIt's the grade, or how much the train gains elevation for a given distance. For example, say the train had to go up 100 meters of elevation. Now assume a 1km long rail that goes in a straight line to go up the 100m. The gr
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