Hydrodynamic Brake/en - Revision history

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	Hydrodynamic braking, also known as retarding, is an alternative way of {{pll\|Braking Overview\|slowing down}} a {{pll\|Rail Vehicle Types\|motorized rail vehicle}}, without {{pll\|Wheels & Brakes Damage\|wearing ~~and overheating~~}} ~~the~~ {{pll\|Brake Shoes\|brake shoes}}. It is a type of {{pll\|Dynamic Brake\|dynamic braking}} on vehicles that have fluid couplings or torque converters as part of their transmission, namely those of {{pll\|Mechanical Transmission\|diesel-mechanical}} and {{pll\|Hydraulic Transmission\|diesel-hydraulic}} type.		Hydrodynamic braking, also known as retarding, is an alternative way of {{pll\|Braking Overview\|slowing down}} a {{pll\|Rail Vehicle Types\|motorized rail vehicle}}, without {{pll\|Wheels & Brakes Damage\|wearing}} and {{pll\|Brake Shoes\|overheating the brake shoes}}. It is a type of {{pll\|Dynamic Brake\|dynamic braking}} on vehicles that have fluid couplings or torque converters as part of their transmission, namely those of {{pll\|Mechanical Transmission\|diesel-mechanical}} and {{pll\|Hydraulic Transmission\|diesel-hydraulic}} type.

	For the hydrodynamic brake to be operational, {{pll\|Throttle\|throttle}} should be disengaged and {{pll\|Reverser\|reverser}} set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of {{pll\|Powertrain Overheating\|heating up the fluid}}.		For the hydrodynamic brake to be operational, {{pll\|Throttle\|throttle}} should be disengaged and {{pll\|Reverser\|reverser}} set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of {{pll\|Powertrain Overheating\|heating up the fluid}}.

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2025-03-11T20:06:05Z

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← Older revision		Revision as of 20:06, 11 March 2025
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	Hydrodynamic braking, also known as retarding, is an alternative way of {{pll\|Braking Overview\|slowing down}} a ~~motorized~~ {{pll\|Rail Vehicle Types\|rail vehicle}}, without {{pll\|Wheels & Brakes Damage\|wearing and overheating}} the {{pll\|Brake Shoes\|brake shoes}}. It is a type of {{pll\|Dynamic Brake\|dynamic braking}} on vehicles that have fluid couplings or torque converters as part of their transmission, namely those of {{pll\|Mechanical Transmission\|diesel-mechanical}} and {{pll\|Hydraulic Transmission\|diesel-hydraulic}} type.		Hydrodynamic braking, also known as retarding, is an alternative way of {{pll\|Braking Overview\|slowing down}} a {{pll\|Rail Vehicle Types\|motorized rail vehicle}}, without {{pll\|Wheels & Brakes Damage\|wearing and overheating}} the {{pll\|Brake Shoes\|brake shoes}}. It is a type of {{pll\|Dynamic Brake\|dynamic braking}} on vehicles that have fluid couplings or torque converters as part of their transmission, namely those of {{pll\|Mechanical Transmission\|diesel-mechanical}} and {{pll\|Hydraulic Transmission\|diesel-hydraulic}} type.

	For the hydrodynamic brake to be operational, {{pll\|Throttle\|throttle}} should be disengaged and {{pll\|Reverser\|reverser}} set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of {{pll\|Powertrain Overheating\|heating up the fluid}}.		For the hydrodynamic brake to be operational, {{pll\|Throttle\|throttle}} should be disengaged and {{pll\|Reverser\|reverser}} set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of {{pll\|Powertrain Overheating\|heating up the fluid}}.

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2025-03-11T15:58:42Z

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← Older revision		Revision as of 15:58, 11 March 2025
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	Hydrodynamic braking, also known as retarding, is an alternative way of slowing down a motorized rail vehicle, without wearing and overheating the brake shoes. It is a dynamic braking ~~feature of~~ vehicles ~~using~~ fluid couplings or torque converters as part of their transmission, namely those of diesel-mechanical and diesel-hydraulic type.		Hydrodynamic braking, also known as retarding, is an alternative way of {{pll\|Braking Overview\|slowing down}} a motorized {{pll\|Rail Vehicle Types\|rail vehicle}}, without {{pll\|Wheels & Brakes Damage\|wearing and overheating}} the {{pll\|Brake Shoes\|brake shoes}}. It is a type of {{pll\|Dynamic Brake\|dynamic braking}} on vehicles that have fluid couplings or torque converters as part of their transmission, namely those of {{pll\|Mechanical Transmission\|diesel-mechanical}} and {{pll\|Hydraulic Transmission\|diesel-hydraulic}} type.

	~~To make~~ the hydrodynamic brake operational, ~~the driver needs to disengage the~~ throttle and ~~have the~~ reverser set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of heating up the fluid.		For the hydrodynamic brake to be operational, {{pll\|Throttle\|throttle}} should be disengaged and {{pll\|Reverser\|reverser}} set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of {{pll\|Powertrain Overheating\|heating up the fluid}}.

	Hydrodynamic braking, featured only on some motorized vehicles, does not provide a very powerful braking force for large trains, but it can slow them down over time if used tactfully. The effect of hydrodynamic braking is the highest at high speeds. The lower the speed, the weaker the braking force. At low enough speeds it practically has no effect. To bring a vehicle to a complete stop, ~~the driver must~~ use braking methods that rely on brake shoes.		Hydrodynamic braking, featured only on some motorized vehicles, does not provide a very powerful braking force for large {{pll\|Rail Vehicle Types\|trains}}, but it can slow them down over time if used {{pll\|Driving Efficiency\|tactfully}}. The effect of hydrodynamic braking is the highest at high speeds. The lower the speed, the weaker the braking force. At low enough speeds it practically has no effect. To bring a vehicle to a complete stop, use {{pll\|Braking Overview\|braking methods}} that rely on brake shoes.

	~~The driver needs to disengage the hydrodynamic brake before being able to~~ operate the throttle and reverser again.		To operate the throttle and reverser again, disengage the hydrodynamic brake.

	~~{{See also\|Rheostatic & Regenerative Brake\|Engine & Compression Brake\|Train Brake\|Throttle\|Reverser\|Powertrain Overheating\|Brake Shoes\|Weather}}~~
	[[Category:Diesel-Hydraulic\|2]]		[[Category:Diesel-Hydraulic\|2]]

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2025-02-28T16:04:22Z

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← Older revision		Revision as of 16:04, 28 February 2025
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	~~{{OldManualArticleNotice}}~~
	Hydrodynamic braking, also known as retarding, is an alternative way of slowing down a motorized rail vehicle, without wearing and overheating the brake shoes. It is a dynamic braking feature of vehicles using fluid couplings or torque converters as part of their transmission, namely those of diesel-mechanical and diesel-hydraulic type.		Hydrodynamic braking, also known as retarding, is an alternative way of slowing down a motorized rail vehicle, without wearing and overheating the brake shoes. It is a dynamic braking feature of vehicles using fluid couplings or torque converters as part of their transmission, namely those of diesel-mechanical and diesel-hydraulic type.

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	{{See also\|Rheostatic & Regenerative Brake\|Engine & Compression Brake\|Train Brake\|Throttle\|Reverser\|Powertrain Overheating\|Brake Shoes\|Weather}}		{{See also\|Rheostatic & Regenerative Brake\|Engine & Compression Brake\|Train Brake\|Throttle\|Reverser\|Powertrain Overheating\|Brake Shoes\|Weather}}
	[[Category:Diesel-Hydraulic]]		[[Category:Diesel-Hydraulic\|2]]

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2025-02-28T15:33:16Z

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<languages />
{{OldManualArticleNotice}}
Hydrodynamic braking, also known as retarding, is an alternative way of slowing down a motorized rail vehicle, without wearing and overheating the brake shoes. It is a dynamic braking feature of vehicles using fluid couplings or torque converters as part of their transmission, namely those of diesel-mechanical and diesel-hydraulic type.

To make the hydrodynamic brake operational, the driver needs to disengage the throttle and have the reverser set to the direction the vehicle is moving. The brake is typically operated by a lever that controls the amount of hydraulic fluid inside of the coupling, inducing extra friction to the fluid inside, as needed. This slows the vehicle down at the cost of heating up the fluid.

Hydrodynamic braking, featured only on some motorized vehicles, does not provide a very powerful braking force for large trains, but it can slow them down over time if used tactfully. The effect of hydrodynamic braking is the highest at high speeds. The lower the speed, the weaker the braking force. At low enough speeds it practically has no effect. To bring a vehicle to a complete stop, the driver must use braking methods that rely on brake shoes.

The driver needs to disengage the hydrodynamic brake before being able to operate the throttle and reverser again.

{{See also|Rheostatic & Regenerative Brake|Engine & Compression Brake|Train Brake|Throttle|Reverser|Powertrain Overheating|Brake Shoes|Weather}}
[[Category:Diesel-Hydraulic]]