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Panhard rod for leaf spring vehicles
Posted: Tue Jun 01, 2004 12:02 pm
by slosh
In the latest 4wd Monthly there is Mick's Suzuki from M&M Engineering, and if you look at pics closely you can see he is using a panhard rod on the front diff, which is leaf sprung.
What are the advantages of this?
Posted: Tue Jun 01, 2004 12:53 pm
by MYV84B
i havent seen it but i dare say if it his black zook that
he has had trouble with the leaves locating the diff centraly
Ie he has very soft springs with large tyres
so he has used the panard to help locate the diff and take sum stress
of his leaf springs
i could be completely wrong but in just thinking outloud
surly sum 1 will hace the CORRECT answer
Re: Panhard rod for leaf spring vehicles
Posted: Tue Jun 01, 2004 1:34 pm
by bj on roids
slosh wrote:In the latest 4wd Monthly there is Mick's Suzuki from M&M Engineering, and if you look at pics closely you can see he is using a panhard rod on the front diff, which is leaf sprung.
What are the advantages of this?
the advantages would be that it would allow better lateral control of your axle. it will limit side to side axle travel.
Posted: Tue Jun 01, 2004 2:14 pm
by Wendle
if you run lons soft springs, and long flat shackles, you alsoo lose steering effectiveness with a crossover drag-link. a panhard will bring it back to being a lot more direct..
Posted: Tue Jun 01, 2004 4:17 pm
by G_loomis
havent seen the pics but he isnt running superior shackles is he? this would cause sideways axle movement one would think.
Posted: Tue Jun 01, 2004 4:20 pm
by grimbo
G_loomis wrote:havent seen the pics but he isnt running superior shackles is he? this would cause sideways axle movement one would think.
no he's not using those dodgy shackles
Posted: Tue Jun 01, 2004 4:45 pm
by Guy
The advantages are few but very important .. like being able to steer
If you run soft leaf springs with long shackles and loose bushings can get alot of movement side to side, even more so if the tyres are against a rock or something imoveable, you can try to steer into it to climb up onto it, but all that happens is the body/chassis gets pushed sideways in relation to the diff. With a panhard this wont happen.
The panhard will also help reduce bumpsteer on a leaf sprung vehicle by making the axle travel in a similar arc to the steering gear when articulating, as naturally a leaf sprung vehicle's suspension will want to travel strait up and down.
Posted: Tue Jun 01, 2004 4:59 pm
by redzook
i was lookin at that pic
the new owner will be daily driving it
but with the angle that the panhard is VS the draglink
he would get a lot of bumpsteer id say
if i am thinkin on the right track
as you are meant to have the draglink almost paralle (SP?) and similar lenght with the panhard arnt ya? so they work on the same arc?
could be rong?
Posted: Tue Jun 01, 2004 5:02 pm
by Guy
redzook wrote:i was lookin at that pic
the new owner will be daily driving it
but with the angle that the panhard is VS the draglink
he would get a lot of bumpsteer id say
if i am thinkin on the right track
as you are meant to have the draglink almost paralle (SP?) and similar lenght with the panhard arnt ya? so they work on the same arc?
could be rong?
Yeah the panhard and draglink idealy are as close as possible to the same length and angle
Re: Panhard rod for leaf spring vehicles
Posted: Tue Jun 01, 2004 5:03 pm
by chimpboy
bj on roids wrote:slosh wrote:In the latest 4wd Monthly there is Mick's Suzuki from M&M Engineering, and if you look at pics closely you can see he is using a panhard rod on the front diff, which is leaf sprung.
What are the advantages of this?
the advantages would be that it would allow better lateral control of your axle. it will limit side to side axle travel.
ie, by using a panhard rod he will get the benefits of using a panhard rod.
!
Jason
Re: Panhard rod for leaf spring vehicles
Posted: Wed Jun 02, 2004 9:16 am
by bj on roids
chimpboy wrote:bj on roids wrote:slosh wrote:In the latest 4wd Monthly there is Mick's Suzuki from M&M Engineering, and if you look at pics closely you can see he is using a panhard rod on the front diff, which is leaf sprung.
What are the advantages of this?
the advantages would be that it would allow better lateral control of your axle. it will limit side to side axle travel.
ie, by using a panhard rod he will get the benefits of using a panhard rod.
!
Jason
I would have worded it like this: "By using a panhard rod, he will get the advantages of using a panhard rod"
Exactly, actually I was trying to be funny. I meant to type movement instead of travel, but anyways. It was meant in jest.
5 years at uni, I can spin up a 3500 word bullshit yarn piss easy! Quote from 8 sources, and 15 internet sites, and argue about anything.

As for practical experience, what is that?
Posted: Thu Jun 03, 2004 6:01 pm
by tweety jeep
Jeep wrangler YJ have them.. they just make you steer better as the locate the axle better than leaves. Alot of the yanks use a telescoping tracbar.. you undo the collar and the trackbar can shorten or lengthen as need be.