Rear ends
#21
RE: Rear ends
ORIGINAL: Ryan2008
Okay, I understand a little better now....
You're saying that there is a pre-load holding the axles together, and that a certain amount of slip is only permitted if there is enough force to over-power the pre-load. Should I assume that too much force, or rather, too much differential in axle speeds would cause the plates / clutches to bind against each other and transfer power to the wheel with grip.
Okay, I understand a little better now....
You're saying that there is a pre-load holding the axles together, and that a certain amount of slip is only permitted if there is enough force to over-power the pre-load. Should I assume that too much force, or rather, too much differential in axle speeds would cause the plates / clutches to bind against each other and transfer power to the wheel with grip.
Now, if you're going around a corner while coasting, the preload is the only resistance to the wheels going different speeds and 150 ft/lbs wouldn't make you drag a tire on a 4500lb truck so it's not likely to be noticeable when easing around. However, when you're on the gas around a corner you're applying a rotating force to the pinion shaft, which transfers it to the ring gear connected to one axle then through the pinion gears/side gearsto the other axle, etc. Under load, when the pinion gears try to transfer loadfrom oneside gear to the other side gear while turning, the gears try to ride up which causes a thrust force to push the side gears apart and compressingthe clutch plates on either side, which increases the amount of torque required to make them slip. That's how a "limited slip" limits slip. It works the same ifone wheel is on driy and the other on a wet surface. Try this site for more info; http://auto.howstuffworks.com/differential.htm