'Recognizing the need is the primary condition for design.'

Charles Eames

'To design is to communicate clearly by whatever means you can control or master.'
Milton Glaser

About Clutch Systems

Clutch systems are used in gear systems to allow the power to the gear box to be seperated from the drive of the motor or engine. 


This allows a gear box to shift between gears without dammagng the gears / cogs  teeth of the gears. 



What components are found in a standard clutch?

Clutch position and basic operation

The clutch is useually found between the input shaft of the gearbox and the output shaft / gear of the engine or motor. 


Applying pressure to the clutch pedal compresses the pressure plate springs contracting it so that it releases the clutch disk from the flywheel. This seperates the action of the drive from the motor or engine to the gearbox allowing for smooth gear changes without crunching or breaking the gears. 



Task 1: Download the diagram below and label the parts of the clutch system

Clutch components worksheet
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Looking inside a clutch, clutch states. 

Looking closely at the diagram on the right you can see that the pressure plate (yellow) is pressing firmly into the flywheel causing the clutch to engage the drive power from the engine to motor with the input shaft of the gearbox.  


This is how a clutch would look if the clutch pedal was not being pressed. 

This is a diagram of the clutch in a disengaged position, if you look closely you will see that the pressure plate (yellow) has a gap between it and the flywheel. 


This is how a clutch would look when the clutch pedal / lever is depressed. 

Task 2: Download the diagram below and complete the task

Clutch position worksheet
Download the worksheet and draw in the position of the clutch plate if the clutch were disengaged
Clutch position worksheet1.jpg
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Task 3: Review the two short videos below and discuss any aspects you are unclear about with your tutor or collegues until you can explain clearly to someonelse the basics of how a clutch system works. 

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© Julian Kupper