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Old 01-28-2019, 11:17 PM   #11
NoleFan4Ever
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Default Re: Rear Differential Question

Quote:
Originally Posted by BrettAllen View Post
-snip-
Here's a video on how to install: "https://www.youtube.com/watch?v=vqDjoYOOzbE
That is a EZGO and not a Club Car. They are two completely different rear ends. Club Car primarily uses the Graziano 3 piece gearing and there were some Kawasaki's in older Club Cars.
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Old 01-29-2019, 06:31 AM   #12
yawood
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Default Re: Rear Differential Question

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Originally Posted by BrettAllen View Post
The video @2:13 says an "Open Differential" can turn either wheel, but only one at a time... and i quote: "with its major disadvantage being that the engine's power follows the path of least resistance, in other words, the power goes to the wheel with the least traction." Unless you have a limited slip set up, which you can buy thru the sponsors or on ebay listed under "Limited Slip, Posi Rear End Kit." Here's a video on how to install: "https://www.youtube.com/watch?v=vqDjoYOOzbE
With an open differential, if each wheel has the same amount of traction (e.g. both wheels are on the tarmac) then both wheels are driven equally. If they do NOT have the same amount of traction (e.g. one is on the tarmac and the other is in the dirt) then the power goes to the wheel with the least amount of resistance (i.e. the one in the dirt).

A limited slip diff reduces this tendency (how much depends on how "tight" the LSD is) and a locked diff means that both wheels are driven equally no matter what the traction is.

Some people get confused as to how well a LSD will work on a 4x4 in the bush. If one wheel is in the air it will turn and take all the power on either an open diff or a LSD. The only way other wheel will keep turning is if the diff is locked.
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Old 01-29-2019, 06:35 AM   #13
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Default Re: Rear Differential Question

Very good information, on how these work.

Interesting this thread got resurrected from 2013 as well
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Old 01-29-2019, 09:03 AM   #14
scottyb
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Default Re: Rear Differential Question

Limited slip and posi-traction are different names for the same thing.

Open Differential problem common to most every cart.
Both limited-slip and locking differentials solve a problem with the standard open differential found on most cartss. This open differential allows the wheels to spin at different speeds to help in cornering, but will allow excessive wheel spin when one wheel loses traction. This tricks the system into sending too much torque to the slipping wheel.

Locking Differential
A locking differential's key feature is its ability to force both of the drive wheels to rotate at the exact same speed regardless of traction needs. The benefit of the locking mechanism, either automatic or driver-selectable, comes in when one of the wheels is slipping. The differential will continue to send torque to both wheels equally and the wheel with traction will provide motion.

Limited-Slip (aka posi traction) Differential
A limited-slip differential allows the wheels to continue to turn at different speeds without locking to each other completely but can limit the amount of torque sent to the spinning wheel and maximize the torque sent to the wheel with the best traction. The limited-slip differential is common on sports cars as well as all-wheel drive vehicles.


I had a gas powered CC carryall with limited slip once. ANd I'm putting a factory Ezgo posi-traction unit in my new build soon
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