Friday, Dec 03, 2004 at 10:59
My friend...(Who doesn't lie by the way) is an engineer at Ford and was involved with the Territory.
He knows what he is talking about. It is the height of rudeness and arrogance to accuse anyone of lying when you a) have no idea who they are and therefore b) have no idea what they know.
This follow up thread has degenerated into name calling and slander. "I must be right because I can denigrate and intimidate you". Not exactly conducive to solving any problem or answering any question. If you can't counter an argument without resorting to name calling etc.. Don't bother.
I'm sorry if I've offended anyone but I joined here to take part in intelligent/informed discussion, not opinionated chest beating.
However this is my 5 cents worth on Live versus independant
suspension:
Do Live axles have more ground clearance? Not necessarily as the diff which is fixed in relation to the wheels can be a real problem in some circumstances, eg Mud, Sand narrow tracks with ruts. In short anywhere with large obstacles directly under the vehicle that do not extend to the wheel tracks. Any track where the middle of the track is higher than the wheel areas can cause real problems for a live axle vehicle.
The simple solution, of course, is to fit larger wheel/tyre combinations as this will increase clearance to the diff. But there are significant legal issues with this.
So why a live axle? They are simpler mechanically. They are stronger. They require less maintainence. They can have much more travel (Assuming it is a coil spring set up). Live axle vehicles (with separate chassis) also tend to have better ramp over (except where the rear drive shaft is).
Cons: high unsprung weight. Limited control of wheel geometry.
Why Independent?
Handling. Due to their lower unsprung weight wheel control is much better allowing the
suspension to do its job better. What is the job of the
suspension? To keep all four wheels on the ground as much as possible. On bitumen/gravel roads and good quality tracks an independant
suspension vehicle will do this much better.
Pros: Better high speed handling.
Cons: Can be complex. Complexity leads to cost. Limited travel compared to Live axles. Generally not as strong.
My personal opinion is that since my vehicle spends 99% of its time on roads/tracks and I'm not in to extreme 4wd/
rock crawling independant suits me better as I like a vehicle that handles
well on corrugations and bitumen/gravel and the independent
suspension 4wd's do this better.
Peter
FollowupID:
345794