Cutoff/en - Revision history

FuzzyBot: Updating to match new version of source page

2025-04-03T23:26:22Z

Updating to match new version of source page

← Older revision		Revision as of 23:26, 3 April 2025
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	<languages />		<languages />
	Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the {{pll\|Regulator\|steam chest}}, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small ~~portion~~ of the cycle.		Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the {{pll\|Regulator\|steam chest}} to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small fraction of the cycle.

	With the {{pll\|Regulator\|regulator}} open, the {{pll\|Rail Vehicle Types\|vehicle’s}} chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.		With the {{pll\|Regulator\|regulator}} open, the {{pll\|Rail Vehicle Types\|vehicle’s}} chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.

FuzzyBot: Updating to match new version of source page

2025-03-18T01:10:19Z

Updating to match new version of source page

← Older revision		Revision as of 01:10, 18 March 2025
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	<languages />		<languages />
	Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the steam chest, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.		Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the {{pll\|Regulator\|steam chest}}, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.

	With the {{pll\|Regulator\|regulator}} open, the vehicle’s chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the ~~{{pll\|Rail Vehicle Types\|~~vehicle}} stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.		With the {{pll\|Regulator\|regulator}} open, the {{pll\|Rail Vehicle Types\|vehicle’s}} chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.

	Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.		Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.

FuzzyBot: Updating to match new version of source page

2025-03-13T17:52:41Z

Updating to match new version of source page

← Older revision		Revision as of 17:52, 13 March 2025
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	Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the steam chest, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.		Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the steam chest, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.

	With the {{pll\|Regulator\|regulator}} open, the vehicle’s chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.		With the {{pll\|Regulator\|regulator}} open, the vehicle’s chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the {{pll\|Rail Vehicle Types\|vehicle}} stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.

	Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction ~~the {{pll\|Rail Vehicle Types\|travel~~, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.		Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.

	Cutoff setting also affects {{pll\|Blower & Damper\|airflow}}. Being in the furthest position gets more air drawn into the {{pll\|Firebox\|firebox}} than when the cutoff is closer to the center position.		Cutoff setting also affects {{pll\|Blower & Damper\|airflow}}. Being in the furthest position gets more air drawn into the {{pll\|Firebox\|firebox}} than when the cutoff is closer to the center position.

	[[Category:Steam Drivetrain\|2]]		[[Category:Steam Drivetrain\|2]]

FuzzyBot: Updating to match new version of source page

2025-03-12T11:39:18Z

Updating to match new version of source page

← Older revision		Revision as of 11:39, 12 March 2025
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	<languages />		<languages />
	Cutoff is a control device, ~~typically~~ a lever or a wheel, that sets how long during a ~~cylinder~~ cycle the steam will be admitted to the cylinders. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small ~~fraction~~ of the cycle.		Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the steam chest, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.

	With the regulator open, the vehicle’s chest is fed steam at a relatively constant rate from the boiler. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, ~~the driver is able to~~ give the chest increasingly more time to pressurize, making it possible to reach greater ~~pressures and~~ speeds.		With the {{pll\|Regulator\|regulator}} open, the vehicle’s chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.

	Apart from ~~determining~~ the intervals in which steam is admitted to the cylinders, the cutoff control also determines the direction of the ~~locomotive movement~~, just like the reverser does on other powertrain types. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this ~~could suck~~ ash particulates and water into the cylinders, causing damage.		Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction the {{pll\|Rail Vehicle Types\|travel, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.

	Cutoff setting also affects airflow. Being in the furthest position gets more air drawn into the firebox than when the cutoff is closer to the center position.		Cutoff setting also affects {{pll\|Blower & Damper\|airflow}}. Being in the furthest position gets more air drawn into the {{pll\|Firebox\|firebox}} than when the cutoff is closer to the center position.

	~~{{See also\|Regulator\|Reverser\|Cylinder Cocks\|Boiler}}~~
	[[Category:Steam Drivetrain\|2]]		[[Category:Steam Drivetrain\|2]]

FuzzyBot: Updating to match new version of source page

2025-02-28T16:05:54Z

Updating to match new version of source page

← Older revision		Revision as of 16:05, 28 February 2025
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	<languages />		<languages />
	~~{{OldManualArticleNotice}}~~
	Cutoff is a control device, typically a lever or a wheel, that sets how long during a cylinder cycle the steam will be admitted to the cylinders. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small fraction of the cycle.		Cutoff is a control device, typically a lever or a wheel, that sets how long during a cylinder cycle the steam will be admitted to the cylinders. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small fraction of the cycle.

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	{{See also\|Regulator\|Reverser\|Cylinder Cocks\|Boiler}}		{{See also\|Regulator\|Reverser\|Cylinder Cocks\|Boiler}}
	[[Category:Steam Drivetrain]]		[[Category:Steam Drivetrain\|2]]

FuzzyBot: Updating to match new version of source page

2025-02-28T15:36:02Z

Updating to match new version of source page

New page

<languages />
{{OldManualArticleNotice}}
Cutoff is a control device, typically a lever or a wheel, that sets how long during a cylinder cycle the steam will be admitted to the cylinders. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small fraction of the cycle.

With the regulator open, the vehicle’s chest is fed steam at a relatively constant rate from the boiler. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, the driver is able to give the chest increasingly more time to pressurize, making it possible to reach greater pressures and speeds.

Apart from determining the intervals in which steam is admitted to the cylinders, the cutoff control also determines the direction of the locomotive movement, just like the reverser does on other powertrain types. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this could suck ash particulates and water into the cylinders, causing damage.

Cutoff setting also affects airflow. Being in the furthest position gets more air drawn into the firebox than when the cutoff is closer to the center position.

{{See also|Regulator|Reverser|Cylinder Cocks|Boiler}}
[[Category:Steam Drivetrain]]

← Older revision		Revision as of 17:52, 13 March 2025
Line 2:		Line 2:
	Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the steam chest, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.		Cutoff is a control device found on {{pll\|Steam Overview\|steam engines}}. Typically, it's a lever or a wheel, that sets how long during a gear cycle the steam will be admitted from the steam chest, to the {{pll\|Cylinder Cocks\|cylinders}}. When the cutoff is pushed all the way forward, the steam is admitted almost all the time during a cycle, whereas when it's near the center position, the steam is admitted only for a small portion of the cycle.

	With the {{pll\|Regulator\|regulator}} open, the vehicle’s chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the vehicle stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.		With the {{pll\|Regulator\|regulator}} open, the vehicle’s chest is fed steam at a relatively constant rate from the {{pll\|Boiler\|boiler}}. However, the chest’s exhaustion rate to the cylinders increases with the vehicle’s speed, because the cylinder cycle becomes more frequent. At a certain speed, with the cutoff set to full forward, the chest no longer receives enough steam to overcome the exhaustion and the {{pll\|Rail Vehicle Types\|vehicle}} stops accelerating. However, by gradually pulling back on the cutoff the faster the vehicle goes, you give the chest increasingly more time to pressurize, making it possible to reach greater speeds.

	Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction ~~the {{pll\|Rail Vehicle Types\|travel~~, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.		Apart from setting the intervals in which steam is admitted to the cylinders, the cutoff control also determines the vehicle's direction, just like the {{pll\|Reverser\|reverser}} does on other {{pll\|Powertrains Overview\|powertrain types}}. Pulling the cutoff all the way backwards sends full steam in reverse. Cutoff must never be put in the opposite direction while in motion, as this sucks ash particulates and water into the cylinders, causing {{pll\|Mechanical Powertrain Damage\|damage}}.

	Cutoff setting also affects {{pll\|Blower & Damper\|airflow}}. Being in the furthest position gets more air drawn into the {{pll\|Firebox\|firebox}} than when the cutoff is closer to the center position.		Cutoff setting also affects {{pll\|Blower & Damper\|airflow}}. Being in the furthest position gets more air drawn into the {{pll\|Firebox\|firebox}} than when the cutoff is closer to the center position.

	[[Category:Steam Drivetrain\|2]]		[[Category:Steam Drivetrain\|2]]