Chain Drive - Revision history

Johannesla: /* Drivetrain Shield */ rules

2023-04-14T18:25:39Z

Drivetrain Shield: rules

SpookySimon: /* Tension */

2023-03-23T18:31:48Z

Tension

SpookySimon: /* Sizing */

2023-03-23T18:30:02Z

Sizing

Satiric: Remove from all categories except Powertrain

2023-02-03T04:13:46Z

Remove from all categories except Powertrain

Satiric: Add to drivetrain category

2023-02-03T04:12:01Z

Add to drivetrain category

SpookySimon: /* Failure Modes */ cleaning up and making emphasis italics not capitals

2023-01-17T14:15:40Z

Failure Modes: cleaning up and making emphasis italics not capitals

SpookySimon: /* Failure Modes */ cleaning up last part of chain drive

2023-01-17T14:09:35Z

Failure Modes: cleaning up last part of chain drive

SpookySimon at 20:49, 16 January 2023

2023-01-16T20:49:57Z

SpookySimon: fixing link

2023-01-13T14:46:18Z

fixing link

SpookySimon: link to diagnostic shortlist by honda bros

2023-01-13T14:45:15Z

link to diagnostic shortlist by honda bros

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 ==Drivetrain Shield==
-Chain drives have specific shielding rules in FSAE covered in T.5.2.7 (link to rules) (what about FS?).
+Chain drives have specific shielding rules covered in T.5.2.7 (FSAE) or T 7.3.3 (FS).
 ==Failure Modes==
 If there is excessive sprocket wear, improper chain tension, improperly installed quick release, no lubricant there is an increased likelyhood of chain failure. If the chain drive is not in the same plane there <em>will</em> be a failure. Chain failures can be extremely dangerous for both the vehicle and nearby people. The chain cannot slip without some failure occuring<ref>https://www.myodesie.com/wiki/index/returnEntry/id/3058#Chain%20Drive%20Advantages https://www.myodesie.com/wiki/index/returnEntry/id/3058#Chain%20Drive%20Advantages</ref>

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 ===Tension===
 {{Main|Tensioner}}
-A mechanism is needed to apply tension to the chain. This enables the chain to be installed and removed when slack, and to take up the slack in the chain as it stretches. If the chain is too loose when running, it can fail catastrophically. If it too tight, it will wear out faster and will draw too much power from the drivetrain. Usually chain tension is measured by chain sag, or it deflects from a straight line. It is recommended to follow manufacturer recommendations for chain tension. A good rule of thumb is 2% of distance between sprockets<ref name=chainguide/><ref>https://www.cisco-eagle.com/vector/504/adjusting-the-drive-chain</ref>.
+A mechanism is needed to apply tension to the chain. This enables the chain to be installed and removed when slack, and to take up the slack in the chain as it stretches. If the chain is too loose when running, it can fail catastrophically. If it too tight, it will wear out faster and will draw too much power from the drivetrain. Usually chain tension is measured by chain sag, or the extent to which it deflects from a straight line. It is recommended to follow manufacturer recommendations for chain tension. A good rule of thumb is 2% of distance between sprockets<ref name=chainguide/><ref>https://www.cisco-eagle.com/vector/504/adjusting-the-drive-chain</ref>.
 ==Sprockets==

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 Sealed chains use o-rings to seal in a lubricant, great for daily driving. Also used in racing applications. Very common in motorcycle shops. Non-sealed requires more frequent lubrication application and are commonly used for motocross or low mileage applications.
 ===Sizing===
-There are many write-ups online for how to understand chain sizing and how to size your chain<ref>https://www.partzilla.com/blog/how-to-measure-motorcycle-atv-chains</ref>.
+There are many write-ups online for how to understand chain sizing and how to size your chain<ref>https://www.partzilla.com/blog/how-to-measure-motorcycle-atv-chains</ref>. A smaller toothed chain may allow for reduced weight, but anecdotal evidence suggests chain weight is frequently a lower priority than power delivery, reliability, availability of parts, and cost.
 ===Tension===
 {{Main|Tensioner}}

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 ==References==
 <references />
 [[Category:Drivetrain]]

← Older revision		Revision as of 04:12, 3 February 2023
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	<references />		<references />

−	[[Category:Internal Combustion]][[Category:Electric Vehicle]]	+	[[Category:Internal Combustion]][[Category:Electric Vehicle]][[Category:Drivetrain]]

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-A '''chain drive''' system is a part of the [[Drivetrain|drivetrain]] that transmits torque from the [[Engine|engine]] or [[Electric_Motors|motor]] to the [[Differential|differential]]. A chain and sprocket  requires lubrication and a [[tensioner|tensioner]]. Chain analysis is incredibly complex and often teams will not need to dig into the analysis beyond a cursory level. If the needed information is not supplied by the chain supplier, please see <em>The Complete Guide to Chain</em> produce by the chain manufacturer Tsubaki<ref name = chainguide>Kanehira, M. <em>The Complete Guide to Chain</em>, Tsubaki, 1995</ref>. For a shortlist of diagnostic pointers, see the sentimental html plaintext "CHAIN & SPROCKETS" writeup on the Honda Bros website<ref>http://homepage.eircom.net/~hondabros/CHAIN_MAINTENANCE.html</ref>.
+A '''chain drive''' system is a part of the [[Drivetrain|drivetrain]] that transmits torque from the [[Engine|engine]] or [[Electric_Motors|motor]] to the [[Differential|differential]]. A chain and sprocket  requires lubrication and a [[tensioner|tensioner]]. Chain analysis is incredibly complex and often teams will not need to dig into the analysis beyond a cursory level. If the needed information is not supplied by the chain supplier, please see <em>The Complete Guide to Chain</em> produce by the chain manufacturer Tsubaki<ref name = chainguide>Kanehira, M. <em>The Complete Guide to Chain</em>, Tsubaki, 1995</ref>. For a shortlist of diagnostic pointers, see the html plaintext "CHAIN & SPROCKETS" writeup on the Honda Bros website<ref>http://homepage.eircom.net/~hondabros/CHAIN_MAINTENANCE.html</ref>.
 ==System Design==
 <!--explain motorcycle chain sizes, ratings.-->

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 Sprockets are made of [[Steel|steel]], [[Aluminum|aluminum]], or [[Titanium|titanium]] and can replaced to change the [[Drivetrain#Final_Drive_Ratio|final drive ratio]]. Sprockets can be bought or easily made by [[Machining#Laser Cutting|laser-cutting]], [[Machining#Water Jetting|water-jetting]], or [[Machining#CNC Machining|CNC machining]].
-As the number of teeth decrease, the sprocket will approach a polygon instead of a circle. This is called the polygon effect or chordal action and results in a variation in speed output (Imagine driving on square wheels)<refname = chainguide/><ref>[http://chain-guide.com/basics/2-2-1-chordal-action.html http://chain-guide.com/basics/2-2-1-chordal-action.html]</ref>. Typical sprockets don't ever go under 11 or 12 teeth for 35 and 40-series chains.
+As the number of teeth decrease, the sprocket will approach a polygon instead of a circle. This is called the polygon effect or chordal action and results in a variation in speed output (Imagine driving on square wheels)<ref name=chainguide/><ref>[http://chain-guide.com/basics/2-2-1-chordal-action.html http://chain-guide.com/basics/2-2-1-chordal-action.html]</ref>. Typical sprockets don't ever go under 11 or 12 teeth for 35 and 40-series chains.
 ==Drivetrain Shield==