Is a panhard bar worth the effort and money? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 03-10-2004, 08:57 PM Thread Starter
 
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Is a panhard bar worth the effort and money?

I am going SPOA and I want it right. One thing that I have not purchased is a panhard bar. Is it something that I needs to look into?
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post #2 of (permalink) Old 03-10-2004, 09:36 PM
 
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Re: Is a panhard bar worth the effort and money?

As long as you are running leaf springs and you have your front end set up properly, a panhard is usually not necessry. IMHO, they limit flex to at least some degree, so unless you find you have handling problems (high speed shimmy etc) I would skip the exercise. I have made them for about $80. Not cheap, but beats buying one.
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post #3 of (permalink) Old 03-10-2004, 09:47 PM Thread Starter
 
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Re: Is a panhard bar worth the effort and money?

Not to hyjack my own post, but I'd like to see the pictures of the gun rack in your truck. [img]images/graemlins/grin.gif[/img] Seriously.
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post #4 of (permalink) Old 03-10-2004, 10:43 PM
 
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Re: Is a panhard bar worth the effort and money?

If you plan on driving your Zuk on the road a lot I STRONGLY recommend getting one. My Zuk didn't have lots of wobble but did like to "dip" in the turns. Spideetrax's bar fixed that. Yes, it's not cheap but in my opinion it's a DEFINATE piece for "part time" offroad Zuks.
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post #5 of (permalink) Old 03-10-2004, 11:24 PM
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Re: Is a panhard bar worth the effort and money?

Brad,

I'm going to be going SPOA with my Yj setup (instead of coils right away as previously planned) and I plan to put on a panhard bar to keep the street handling as civilized as possible. I haven't thought it through yet, but it seems that some kind of quick disconnect might be pretty easy to rig up for a panhard bar if you're worried about it limiting articulation offroad.

~daxe
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post #6 of (permalink) Old 03-11-2004, 02:20 AM
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Re: Is a panhard bar worth the effort and money?

What makes a Panhard work, and not limit articulation to any extent - BOTH ends of the bar need to be about an equal distance from the ground. Locate the mounts so they are. A tall bracket on the diff, or a long one from the frame is acceptable.
Lots of folks put them in at a steep angle, then wonder why they have bad bumpsteer and limited articulation on one side. Not just homemade ones, but kits often do that too.

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post #7 of (permalink) Old 03-11-2004, 05:21 AM
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Re: Is a panhard bar worth the effort and money?

They will help the handling on and OFF road. Being able to stay in the line you choose is often the differance between making it or not.

You can live without them but once you have had one you REALLY
like them.

As for building them the secret is that the panhard be parallel to the drag link to prevent bumpsteer (just like you should endevor to get it leval to the ground too...)
but often reality steps in and it will have to have an angle.
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post #8 of (permalink) Old 03-11-2004, 06:00 AM
 
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Re: Is a panhard bar worth the effort and money?

I run the Spidertrax setup.........worth every penny to me.
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post #9 of (permalink) Old 03-11-2004, 09:48 AM
 
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Re: Is a panhard bar worth the effort and money?

As mentioned above, the way to set up a panhard to minimize the loss of articulation is to set it up parallel to the ground. A panhard bar causes your axle to "swing" in an arc when it articulates which binds the springs. The "Law of Cosines" (remember that one [img]images/graemlins/puke.gif[/img] ) shows that the affect is fairly limited IF the bar is level. It will help steering response a whole lot by eliminating axle drift, especially on long springs such as YJ's.
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post #10 of (permalink) Old 03-11-2004, 11:01 AM
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Re: Is a panhard bar worth the effort and money?

Totally agree.

The effects of the Panhard cannot be compensated with the drag link.
If the Panhard is at an angle it "Pushes" the axle from side to side as the axle moves up and down. That "push" causes the vehicle to wander around on the road. The more angle, the less of a little bump it takes to "push" it.

The drag link makes the wheels turn as it bounces, a different problem altogether.
It would be near impossible to make the wheels turn exactly the right amount to compensate for the axle sideways movement. If it did, off road where bouncing is more severe, the drag link would turn the wheels so much you'd have trouble going straight at all.

Both should be parallel to the ground, but the drag link is pretty hard to do that with.

As far as articulation goes, if the Panhard was level, the axle would have to droop an awful long way to have it inhibit movement. Leaf spings can't drop that far.

Notice on coil suspensions, like long arms. They HAVE to have to a cross locator or Panhard. They droop far longer - and the Panhard doesn't affect them. It will make bumpsteer when way down, but when it's that far down you don't notice it.


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