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Limited Slip Differentials

Limited Slip Differentials

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Limited Slip Differentials

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  1. Limited Slip Differentials Greg Reale

  2. Differentials

  3. What Are They Used For? Open Slip Differentials: • Same amount of torque between each wheel • Amount of torque applied is limited • Problem Scenarios • Slipping on ice • Off roading Limited Slip Differentials: • Allow different amounts of torque to be applied to each wheel

  4. Types of Limited Slip Differentials • Mechanical • Spring-pack and clutches • Spring forces side gears against clutches • Clutches “fight” each other • Torque applied to wheels is same as torque required to overpower clutches

  5. Types of Limited Slip Differentials • Fluid-Based (Viscous Coupling) • Links front wheels to back wheels • Consists of plates and viscous liquid • Viscous liquid transfers torque through plates • Viscosity of liquid affects amount of torque

  6. Types of Limited Slip Differentials • Locking • Electric, hydraulic, or pneumatic mechanism • Activated manually by switch • Wheels are forced to spin at same speed • For serious off roading • TorsenTM • Senses difference in torque • Uses gears that bind together

  7. Open Differential Limited Slip Differential (Mechanical)

  8. References Nice, Karim. "How Differentials Work." Howstuffworks. Howstuffworks. 17 Oct. 2005 <http://auto.howstuffworks.com/differential.htm>. "Limited Slip Differential." Wikipedia, The Free Encyclopedia. 04 Oct 2005. Wikipedia. 17 Oct. 2005 <http://en.wikipedia.org/wiki/Limited_slip_differential>. "LSD - OEM and Aftermarket Limited Slip Differentials." FAQ. Club 4AG. 17 Oct. 2005 <http://www.club4ag.com/faq%20and%20tech_pages/FAQ.html>.