Loss of traction, skidding...

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buckshot said:
just think what would have happened to a car (they only lock the rear wheels on the hand brake)
Click to expand...

Makes no difference if you had 1 wheel locked, 6 wheels locked or caterpillar tracks locked. Ice is ice and if the mass is heavy enough that the 'grip' can't hold out to gravity then it's going to slide.
 
Big Stu 12 said:
How does this work, I thought Mass and volocity over a given distance that gives you momentum not wether its 1 wheel drive, 2 wheel drive, 4 wheel drive, 6 wheel drive.... all having the same Mass of course.

Are we getting confused, the only thing that a 4 x 4 gives is extra drive to the two more wheels as aposed to a 2 x 4, so hopfuly it will get grip at one or more of 4 rather then 1 or 2 of the two, therefore give you more drive, the amount of grip on the surface in questionof the tryes is the same if its got for wheel 2 or 4 wheel drive.

Am I correct in my thinking or wrong.
Click to expand...

I think you're wrong about a 2 wheeled vehicle having 4 wheel drive! :doh:
 
polsta said:
had my disco 2 weeks and slide out the other day-ice !! going 5mph in a little close round a bend driving real careful, it just slide, managed to not go front in, but hit a berlingo van front wing are in to my rear passenger door on drivers side

the berlingo was mullered-light-bumper-wing totaly smashed, i **** myself...by some grace of god, it was my mates van parked up due toa previous smash-i didnt know about, so all i did was damage it a little more, and only my doorr bottom part is dented in, lucky it didtn hit the door edge etc, just need a new door or get the dent beat out

so so lucky that it was my mates pranged van, any random person could of tried to sting the full damage on me and i might not of known to be honest, scary
Click to expand...

Are you dislexic or something? Can't understand a word if that!
 
Access Denied said:
I think you're wrong about a 2 wheeled vehicle having 4 wheel drive! :doh:
Click to expand...

  • The first digit refers to the number of wheels.
  • The second digit refers to the number of driven wheels.
    • 4x4 (four by four):
      A vehicle with four wheels that's powered by four wheels (4WD)
    • 4x2 (four by two):
      A vehicle with four wheels that's powered by two wheels (2WD)
Sorry I got them the wrong way around to what they are meant to be on the 2 wheel drive, but I think most people would of known what was meant, was it realy that hard to read to understand......:rolleyes:
 
Last edited:
Big Stu 12 said:
  • The first digit refers to the number of wheels.
  • The second digit refers to the number of driven wheels.
    • 4x4 (four by four):
      A vehicle with four wheels that's powered by four wheels (4WD)
    • 4x2 (four by two):
      A vehicle with four wheels that's powered by two wheels (2WD)
Sorry I got the way around they where meant to be but I think most people would of known what was meant, was it realy that hard to read......:rolleyes:
Click to expand...

No it wasn't , I understood exactly what you meant as I'm sure others did but if you can take the 'accuracy' of the comment in good heart then there's no loss is there? :D
 
Big Stu 12 said:
  • The first digit refers to the number of wheels.
  • The second digit refers to the number of driven wheels.
    • 4x4 (four by four):
      A vehicle with four wheels that's powered by four wheels (4WD)
    • 4x2 (four by two):
      A vehicle with four wheels that's powered by two wheels (2WD)
Sorry I got them the wrong way around to what they are meant to be on the 2 wheel drive, but I think most people would of known what was meant, was it realy that hard to read to understand......:rolleyes:
Click to expand...


4X4 a vehicle with four wheels that's powered by 2 wheels, one on each axle
4x2 a vehicle with four wheels that is powered by one wheel.......................................unless of course you have locking diffs on the axles
 
bluea35 said:
4X4 a vehicle with four wheels that's powered by 2 wheels, one on each axle
4x2 a vehicle with four wheels that is powered by one wheel.......................................unless of course you have locking diffs on the axles
Click to expand...


That's not right!

Is this better?

4x2 a vehicle with four wheels that is powered by one wheel.......................................BUT ONLY IF you have a locking diff on the DRIVE axle
 
i had a girl ask me why 4 wheel drive was better the other day, this was my reply...

If you imagine your engine delivers power, and we measure that power to be 100, forget what the units are, just 100.

Now imagine that your tyres have a level of grip, and that level of grip is 30.

In a two wheel drive car, if you put the power down you split it over two wheels, so you are delivering 50 to each wheel, and as the tyres can only handle 30 each... your wheels spin and you are stuck!

in a four wheel drive car, you split the power to 4 wheels, and so you deliver 25 to each wheel, as each wheel can handle 30 before it looses grip... you can drive off without a wheel spining.
 
CharlesY said:
That's not right!

Is this better?

4x2 a vehicle with four wheels that is powered by one wheel.......................................BUT ONLY IF you have a locking diff on the DRIVE axle
Click to expand...

Sorry, I meant the bit about locking diffs to apply to both statements, but I still think you are wrong. A 4x2 only has one driven wheel;if you have a locking diff ( or indeed a limited slip diff)you will then get 2 wheels powered on the one axle.
 
battenberg said:
i had a girl ask me why 4 wheel drive was better the other day, this was my reply...

If you imagine your engine delivers power, and we measure that power to be 100, forget what the units are, just 100.

Now imagine that your tyres have a level of grip, and that level of grip is 30.

In a two wheel drive car, if you put the power down you split it over two wheels, so you are delivering 50 to each wheel, and as the tyres can only handle 30 each... your wheels spin and you are stuck!

in a four wheel drive car, you split the power to 4 wheels, and so you deliver 25 to each wheel, as each wheel can handle 30 before it looses grip... you can drive off without a wheel spining.
Click to expand...

Did she die of boredom instead of getting laid like she wanted??
 
CharlesY said:
That's not right!

Is this better?

4x2 a vehicle with four wheels that is powered by one wheel.......................................BUT ONLY IF you have a locking diff on the DRIVE axle
Click to expand...

Er.... So if you don't have a locking diff on the drive axle in your example, you'd in fact have a 4x0 - man... you'd be fooked:D
 
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