Dumb question about 2 wheel drive
#1
02-24-2007, 04:04 PM
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Dumb question about 2 wheel drive
In a 2 wheel drive (rear wheel) truck, do both of the rear wheels spin/get power? Or is there just 1 drive wheel? Because me and my buddy where in his AWD explorer messing around in the snow, and i only saw snow flying out from up under one of the front wheels, and i assume 1 of the back wheels.
So on our 2 wheel drive trucks, is there actually only 1 drive wheel? Which one is it? IS there any way to change it, like if 1 is on bad surface but the other isnt? I heard something about holding down the brake or puting on the Ebrake changing the drive wheel?
So on our 2 wheel drive trucks, is there actually only 1 drive wheel? Which one is it? IS there any way to change it, like if 1 is on bad surface but the other isnt? I heard something about holding down the brake or puting on the Ebrake changing the drive wheel?
#2
02-24-2007, 04:12 PM
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02-24-2007, 05:03 PM
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02-25-2007, 02:21 AM
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#6
02-25-2007, 10:46 AM
RE: Dumb question about 2 wheel drive
What you saw was the power going to the wheel with the least grip. This is what happens when you don't have limited slip diffs. Normal diffs will always feed power to the wheel with the least grip, so only one wheel on each axle will spin. In dry conditions, power is sent to both wheels but as soon as one loses grip, the diff continuues to send the power to the spinning wheel. Limited slip diffs manage to send some power to the wheel with grip. Locking diffs send power equally to both wheels, all of the time they're locked.
Hope this helps,
Paul
Hope this helps,
Paul
#7
02-25-2007, 11:56 AM
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RE: Dumb question about 2 wheel drive
ORIGINAL: DakinUK
What you saw was the power going to the wheel with the least grip. This is what happens when you don't have limited slip diffs. Normal diffs will always feed power to the wheel with the least grip, so only one wheel on each axle will spin. In dry conditions, power is sent to both wheels but as soon as one loses grip, the diff continuues to send the power to the spinning wheel. Limited slip diffs manage to send some power to the wheel with grip. Locking diffs send power equally to both wheels, all of the time they're locked.
Hope this helps,
Paul
What you saw was the power going to the wheel with the least grip. This is what happens when you don't have limited slip diffs. Normal diffs will always feed power to the wheel with the least grip, so only one wheel on each axle will spin. In dry conditions, power is sent to both wheels but as soon as one loses grip, the diff continuues to send the power to the spinning wheel. Limited slip diffs manage to send some power to the wheel with grip. Locking diffs send power equally to both wheels, all of the time they're locked.
Hope this helps,
Paul
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#8
02-25-2007, 12:48 PM
RE: Dumb question about 2 wheel drive
an open differential is a wonderfully simple contraption that works great when you have good traction under both wheels, but completely sucks in poor traction, wasting all power through one spinning wheel. it has no intelligence.
here's why.. http://en.wikipedia.org/wiki/Open_differential
http://auto.howstuffworks.com/differential.htm (check out the 3d animation on pg 3 of this one !!!!!
other options are a limited slip (posi-traction) or a locker. limited slip provides better traction than an open by using clutches to sense the wheel with less traction and redirect the power to the other. a locker is a more aggressive device for more serious off roading that locks them up and turns both wheels equally, yet still releases in turns so that one wheel can go faster than the other in a turn, sometimes producing a ratcheting type clicking sound. each has pros and cons.
here's why.. http://en.wikipedia.org/wiki/Open_differential
http://auto.howstuffworks.com/differential.htm (check out the 3d animation on pg 3 of this one !!!!!
other options are a limited slip (posi-traction) or a locker. limited slip provides better traction than an open by using clutches to sense the wheel with less traction and redirect the power to the other. a locker is a more aggressive device for more serious off roading that locks them up and turns both wheels equally, yet still releases in turns so that one wheel can go faster than the other in a turn, sometimes producing a ratcheting type clicking sound. each has pros and cons.
#9
02-25-2007, 01:35 PM
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RE: Dumb question about 2 wheel drive
ORIGINAL: dhvaughan
an open differential is a wonderfully simple contraption that works great when you have good traction under both wheels, but completely sucks in poor traction, wasting all power through one spinning wheel. it has no intelligence.
here's why.. http://en.wikipedia.org/wiki/Open_differential
http://auto.howstuffworks.com/differential.htm (check out the 3d animation on pg 3 of this one !!!!!
other options are a limited slip (posi-traction) or a locker. limited slip provides better traction than an open by using clutches to sense the wheel with less traction and redirect the power to the other. a locker is a more aggressive device for more serious off roading that locks them up and turns both wheels equally, yet still releases in turns so that one wheel can go faster than the other in a turn, sometimes producing a ratcheting type clicking sound. each has pros and cons.
an open differential is a wonderfully simple contraption that works great when you have good traction under both wheels, but completely sucks in poor traction, wasting all power through one spinning wheel. it has no intelligence.
here's why.. http://en.wikipedia.org/wiki/Open_differential
http://auto.howstuffworks.com/differential.htm (check out the 3d animation on pg 3 of this one !!!!!
other options are a limited slip (posi-traction) or a locker. limited slip provides better traction than an open by using clutches to sense the wheel with less traction and redirect the power to the other. a locker is a more aggressive device for more serious off roading that locks them up and turns both wheels equally, yet still releases in turns so that one wheel can go faster than the other in a turn, sometimes producing a ratcheting type clicking sound. each has pros and cons.
Sounds lik ei need a LSD if im going to be offroading.. lol.
Is this somethign I need to get from an aftermarket place? Can someone point me in the right direction?
