Interesting that they still need to use the cog even on seemingly flat track.
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Switzerland is, after all, the land of rack-and-pinion railroads, and there you can differentiate between them in addition to the various rack-and-pinion systems: Railroads with racks on the steepest sections only and railroads with exclusively rack-and-pinion drive. The Rigi Railway is one of these. The vehicles are driven exclusively by their cogwheels, the wheels on the rails have exclusively a carrying and guiding function, and are usually mounted freely rotating on the axles. So even on level tracks, there are rack needed.
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| Posted by Kibu on April 20, 2021 | |
The reason they need to use the cog, is typically the wheels are just free wheeling. The only actual 'power' is from the cog.
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Thank you, Georg, I learned something new.
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