Limited Slip Differentials - PowerPoint PPT Presentation

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Limited Slip Differentials

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Wheel speeds in a car. car wheels spin at different speeds. especially in turns ... http://isobe.typepad.com/photos/uncategorized/041213_wheel_tracking.jpg ... – PowerPoint PPT presentation

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Title: Limited Slip Differentials


1
Limited Slip Differentials
  • Presented by Jacky Lau
  • Block 8M-I

2
Objective
  • investigate the use, way of function, and design
    of LSDs
  • understand LSDs role in the performance of
    modern cars

Limited Slip Differentials (LSD), presented by
Jacky Lau
3
Wheel speeds in a car
  • car wheels spin at different speeds
  • especially in turns
  • speed distance / time

http//isobe.typepad.com/photos/uncategorized/0412
13_wheel_tracking.jpg
Limited Slip Differentials (LSD), presented by
Jacky Lau
4
What does a differential do?
  • to aim the engine power at the wheels
  • to act as the final gear reduction in the
    vehicle, slowing the rotational speed
  • to transmit the power to the wheels while
    allowing them to rotate at different speeds

Limited Slip Differentials (LSD), presented by
Jacky Lau
5
Without differentials, what will happen?
  • wheels would be locked together, forced to spin
    at the same speed
  • difficult to turn
  • tires and axle components will experience heavy
    stress

Limited Slip Differentials (LSD), presented by
Jacky Lau
6
Differentials- definition and location
  • Definition a device that splits the engine
    torque two ways, allowing each output to spin at
    a different speed.

http//auto.howstuffworks.com/differential2.htm
Limited Slip Differentials (LSD), presented by
Jacky Lau
7
The LSDs (positraction)
  • clutch-type LSD, the viscous coupling, locking
    differential and Torsen differential
  • most common type clutch

http//www.club4ag.com/faq20and20tech_pages/limi
ted_slips_differential_101.htm
http//auto.howstuffworks.com/differential8.htm
Limited Slip Differentials (LSD), presented by
Jacky Lau
8
LSDs (continued)
  • viscous coupling often used in AWD cars,
    linking the rear and front wheels
  • locking serious off-road vehicles

http//auto.howstuffworks.com/differential10.htm
Limited Slip Differentials (LSD), presented by
Jacky Lau
9
References
  • http//www.club4ag.com/faq20and20tech_pages/limi
    ted_slips_differential_101.htm
  • http//auto.howstuffworks.com/differential10.htm
  • http//www.houseofthud.com/differentials.htm
  • http//truckworld.tenmagazines.com/How-To-Tech/Loc
    kers-Differentials/4x4Lockers-Diffs.html
  • http//isobe.typepad.com/robotics/
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