Re: Front wheel drive question

"SnoMan" <UseLinkToEmail@AutoForumz.com> wrote in message
news:1_668037_cf463ca86f9efe00c344425e5196f65f@aut oforumz.com...
> I do not know where this "one drive wheel"
> bussiness ever started for front or rear axle.

With the rear wheel drive, non-trick differentials, it was common that,
when you nailed it, one wheel would spin and the other would loaf.

I believe it had to do with the torque applied to each wheel being
different, one wheel tending to lift a little and the other being pressed
toward the road, as the axle tries to rotate around the gearset.

I believe the 'drive wheel' fantasy began because of this.

We cheap racers just balanced the air pressure in the rear tires to
try to offset the spin.

"HLS" wrote:
>"SnoMan" <UseLinkToEmail@AutoForumz.com> wrote in message
>news:1_668037_cf463ca86f9efe00c344425e5196f65f@au toforumz.com...
>> I do not know where this "one drive wheel"
>> bussiness ever started for front or rear axle.
>
>With the rear wheel drive, non-trick differentials, it was common
>that,
>when you nailed it, one wheel would spin and the other would loaf.
>
>I believe it had to do with the torque applied to each wheel being
>different, one wheel tending to lift a little and the other being
>pressed
>toward the road, as the axle tries to rotate around the gearset.
>
>I believe the ’drive wheel’ fantasy began because of this.
>
>We cheap racers just balanced the air pressure in the rear tires to
>try to offset the spin.

This may well be how it started but a open diff can only send equal
torque to both axles (RPM can be different but torque must and will be
the same). When you nail it and one tire lightens up from axle twist,
it starts to spin and once it starts to burn it taks less torque to
keep burning so less power is sent to the none spinning wheel. THe
spinning wheel is receiving more HP because HP is torque x RPM /5252
but they are receiving the same torque at all times.

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"SnoMan" <UseLinkToEmail@AutoForumz.com> wrote in message
news:1_670585_b4e397b37c0790ed15f3189f3f01946e@aut oforumz.com...
> "HLS" wrote:
> >"SnoMan" <UseLinkToEmail@AutoForumz.com> wrote in message
> >news:1_668037_cf463ca86f9efe00c344425e5196f65f@au toforumz.com...
> >> I do not know where this "one drive wheel"
> >> bussiness ever started for front or rear axle.
> >
> >With the rear wheel drive, non-trick differentials, it was common
> >that,
> >when you nailed it, one wheel would spin and the other would loaf.
> >
> >I believe it had to do with the torque applied to each wheel being
> >different, one wheel tending to lift a little and the other being
> >pressed
> >toward the road, as the axle tries to rotate around the gearset.
> >
> >I believe the 'drive wheel' fantasy began because of this.
> >
> >We cheap racers just balanced the air pressure in the rear tires to
> >try to offset the spin.
>
> This may well be how it started but a open diff can only send equal
> torque to both axles (RPM can be different but torque must and will be
> the same). When you nail it and one tire lightens up from axle twist,
> it starts to spin and once it starts to burn it taks less torque to
> keep burning so less power is sent to the none spinning wheel. THe
> spinning wheel is receiving more HP because HP is torque x RPM /5252
> but they are receiving the same torque at all times.

Clearly, this idea was another misperception. There are lots of them in
this,
and other, industries.

>
> "SnoMan" <UseLinkToEmail@AutoForumz.com> wrote in message
> news:1_668037_cf463ca86f9efe00c344425e5196f65f@aut oforumz.com...
>> I do not know where this "one drive wheel"
>> bussiness ever started for front or rear axle.
>
> With the rear wheel drive, non-trick differentials, it was common
that,
> when you nailed it, one wheel would spin and the other would loaf.
>
> I believe it had to do with the torque applied to each wheel being
> different, one wheel tending to lift a little and the other being
pressed
> toward the road, as the axle tries to rotate around the gearset.
>
> I believe the 'drive wheel' fantasy began because of this.
>
> We cheap racers just balanced the air pressure in the rear tires to
> try to offset the spin.
>
>
>
>
> Its cause the torque was applied to the rear axle, and that itself
could rotate oposite the drive shaft, thus forcing the left wheel into
the ground, and lifting the right wheel, thus the term right wheel peel.
Not an issue on a FWD car. Of course due to small differences in
traction, one wheel usualy breaks free first on an FWD also. But its
nothing like the old RWD solid rear axle cars...




--
1984 RZ350