Jcarlton Posted December 25, 2014 Share Posted December 25, 2014 (edited) zenmen tenbou video with map and train speed: The Kintetsu sure wind it's way around. Edited December 25, 2014 by Jcarlton 3 Link to comment
bikkuri bahn Posted December 25, 2014 Share Posted December 25, 2014 (edited) Yes, the twisty portion is the single-track only Yoshino Line. This train is equipped with what's called a "yokusoku" brake (I don't know the English term), where the driver sets the brake on the downhill portion, and the brake keeps the train at a preset speed. Edited December 25, 2014 by bikkuri bahn Link to comment
kvp Posted December 25, 2014 Share Posted December 25, 2014 It's called a retarder brake. There are two main variants, the hydraulic and the electric. The first uses a fluid coupling as a brake and the second uses the motor generator effect for braking. The first is mostly used on diesel vehicles (both railroad and road) while the second is common on electric and diesel electric ones (called dynamic braking), where the generated electricity could be tranformed to heat on a resistor bank, fed back into the catenary for others to use or stored in a battery. Retarders have a dynamic speed behaviour, which means the brake effect is proportional with the speed, so they can be used to set and keep a certain downhill speed. Link to comment
Sacto1985 Posted December 25, 2014 Share Posted December 25, 2014 The trip from Abenobashi to Yoshino has one unusual aspect: it's on one of the very few 1067 mm gauge Kintetsu lines (most other Kintetsu lines switched to 1435 mm gauge, much of it after World War II). Link to comment
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