Traction Overview/en: Difference between revisions
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{{ | With {{pll|Rail Vehicle Types|rail vehicles}}, traction can be described as the property of the vehicle's wheels to maintain torque on rails without slipping, whether it is by {{pll|Throttle|accelerating}}, or by {{pll|Braking Overview|braking}}. This property depends on a number of factors, including the {{pll|Vehicle Catalog Overview|weight}} of the vehicle, {{pll|Vehicle Catalog Overview|number of powered axles}}, {{pll|Vehicle Catalog Overview|load rating}}, {{pll|Grade Signs|track grade}} and {{pll|Weather|weather conditions}}. | ||
Most vehicles are designed to function without loss of traction in dry conditions, but the rails become slippery when | Most rail vehicles are designed to function without loss of traction in dry conditions, but the rails become slippery when wet. In wet conditions, gentle applications are advised when accelerating and braking, especially on grades, which also extends the distance at which such actions need to be taken. | ||
Loss of traction causes wheels to either slip or slide. Apart from | Loss of traction causes wheels to either {{pll|Wheelslip|slip}} or {{pll|Wheelslide|slide}}. Apart from notable {{pll|Wheels & Brakes Damage|damage to wheels}}, poor traction judgement can also lead to severe {{pll|Damage Overview|damage}} and {{pll|Derailing|derailments}}. | ||
Most cabs are equipped with an indicator for traction loss, commonly a blinking warning light and sometimes with a buzzer too. | Most {{pll|Rail Vehicle Types|cabs}} are equipped with an indicator for traction loss, commonly a blinking warning light and sometimes with a buzzer too. | ||
To prevent traction loss in wet conditions have gentler interactions with throttle and brake, give more space, use the {{pll|Sander|sander}}, add {{pll|Multiple-Unit|more locomotives}} or a {{pll|Slug|slug}} to a train as necessary, pay attention to {{pll|Weathercast Poster|weathercast}}, and generally better {{pll|Driving Efficiency|utilize grades and momentum}}. | |||
Vehicles that can carry significant amounts of fuel or cargo onboard, such as steam locomotives, may experience drastic differences in traction depending on their | Vehicles that can carry significant amounts of fuel or cargo onboard, such as {{pll|Steam Overview|steam locomotives}}, may experience drastic differences in traction depending on their weight. | ||
[[Category:Traction|1]] | |||
[[Category:Traction]] | |||
Latest revision as of 00:08, 15 March 2025
With rail vehicles, traction can be described as the property of the vehicle's wheels to maintain torque on rails without slipping, whether it is by accelerating, or by braking. This property depends on a number of factors, including the weight of the vehicle, number of powered axles, load rating, track grade and weather conditions.
Most rail vehicles are designed to function without loss of traction in dry conditions, but the rails become slippery when wet. In wet conditions, gentle applications are advised when accelerating and braking, especially on grades, which also extends the distance at which such actions need to be taken.
Loss of traction causes wheels to either slip or slide. Apart from notable damage to wheels, poor traction judgement can also lead to severe damage and derailments.
Most cabs are equipped with an indicator for traction loss, commonly a blinking warning light and sometimes with a buzzer too.
To prevent traction loss in wet conditions have gentler interactions with throttle and brake, give more space, use the sander, add more locomotives or a slug to a train as necessary, pay attention to weathercast, and generally better utilize grades and momentum.
Vehicles that can carry significant amounts of fuel or cargo onboard, such as steam locomotives, may experience drastic differences in traction depending on their weight.