On Thu, 28 Jun 2007 11:38:52 GMT, platypus
wrote:
>Ace wrote:
>> On Thu, 28 Jun 2007 04:09:17 -0700, darsy wrote:
>>> The Jeep has several drive modes, but only recommends 2wd or
>>> permanent 4wd for road use - part-time 4WD is for loose surfaces
>>> only. Ive no idea why - Krusty probably does, mind.
>>
>> So do I. Its because your 4wd system is much more mechanical than
>> mine, such that the front and rear wheels will want to move at the
>> same speed all the time, so going round corners will be much more of
>> an effort, as youre effectively skidding at least one of the rear
>> tyres round to follow the front. Tyre wear will be accordingly
>> increased.
>
>Err, diffs?
They work between left and right side, but on vehicles with selectable
4wd like darsys jeep, there is no diff between front and rear.
On mine, the whole front-rear transmission split is through a
semi-viscous coupling, which is essentially a hydraulic diff, so it
can cope quite happily with slightly different front and rear wheel
speeds, as can any modern road-based vehicle with permanent 4wd.
--
. / | . Ace (brucedotrogers a.t rochedotcom)
` | /`/ DS#8
`\ | // BOTAFOT#3, SbS#2, UKRMMA#13, DFV#8, SKA#2, IBB#10
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Posted: 2007-06-28 14:17:25
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