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Would a Panhard bar fix this problem?

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DanLewis

DanLewis

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The other day I was driving in my Bugeye on the interstate doing about 70 when the car on my left decided to move into my lane without noticing that it was already occupied. I quickly turned the wheel to the right, but couldn't move too far because I was already in the far right-hand lane. The car lurched, and I had to then turn back to the left to stay in the lane, all the time blowing my horn to make the other driver know I was there.

I and the Bugeye both escaped unharmed, but it was a bit hairy the way the car handled. It felt like I was pretty close to losing control. It's hard to describe, but when I had to turn to the right and then left quickly at 70 mph, it seemed like the front end reacted instantly, but that the rear end reacted with a delay, causing an instability.

I'm guessing this is the rear axle shifting a bit left and right relative to the body as I made the two turning corrections. If so, then isn't this something that a Panhard bar would prevent and provide a bit more predictable and stable response? If so, I want one!

Dan
 
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Can't believe a panhard bar would be worth doing on a street driven BE. You may well have some loose parts back there and/or worn shocks.
 
xkejoe said:
Can't believe a panhard bar would be worth doing on a street driven BE. You may well have some loose parts back there and/or worn shocks.
Click to expand...

Maybe, but I wonder. I do almost all my own work on the car and have been under it so many times I've lost count. :smile: I've had the springs out and back in twice and I know the shocks are good. There's nothing loose under there that I'm aware of. There's no rust, no cracks and no broken pieces I've ever seen. That (and the way it handled) are what made me think it was lateral movement of the rear end.

Dan
 
What is your tire pressure? It can make a huge difference
 
As an auto accident reconstruction engineer consider yourself very lucky that you were driving a responsive and tight car, and were able to recover from a quick right and left turn at 70 mph! Many cars would not be able to complete that maneuver!
Scott in CA
 
Hi Scott,

smaceng said:
As an auto accident reconstruction engineer consider yourself very lucky that you were driving a responsive and tight car, and were able to recover from a quick right and left turn at 70 mph! Many cars would not be able to complete that maneuver!
Scott in CA
Click to expand...

Absolutely!

Dan
 
How much toe-in does the car have? What type if sway bar?
 
It will tighten up the rear a bit. I really like the panhard's effect on my Bugeye. Granted I drive
a little spirited and my Sprite is modified. I installed mainly because of wider tires and
I was putting a good bit of rubber on the inside wheel wells. I was pleasantly surprised at how
it tightened up the handling . Install was fairly easy but did require a weld for a bung.
I can't see how it would hurt. It didn't seem to affect the ride quality, but then again my Sprite
is pretty stiff to start.
The Speedwell unit which I use is nicely made of top shelf materials.
 
Hi Trevor,

Trevor Jessie said:
How much toe-in does the car have? What type if sway bar?
Click to expand...

'Not exactly sure since I didn't have it set at a shop, but used techniques described on the forums based on measuring distance across the front and rear of the front tires. It doesn't wander on the road, and the tire wear seems normal. If I had to guess, I'd say it's pretty close to spec.

Gundy said:
It will tighten up the rear a bit. I really like the panhard's effect on my Bugeye. Granted I drive
a little spirited and my Sprite is modified. I installed mainly because of wider tires and
I was putting a good bit of rubber on the inside wheel wells. I was pleasantly surprised at how
it tightened up the handling . Install was fairly easy but did require a weld for a bung.
I can't see how it would hurt. It didn't seem to affect the ride quality, but then again my Sprite
is pretty stiff to start.
The Speedwell unit which I use is nicely made of top shelf materials.
Click to expand...

Thank you, David. I was hoping to hear from someone who could compare how their Bugeye handled before and after installing a Panhard bar. I'm a reasonably average driver, certainly not one to see how fast I can take every curve, but what happened that day is probably as close to "spirited driving" as it gets. If the Panhard bar can give me a bit more stability in situations like that, then the cost of a Panhard bar is well worth it to get that little bit extra safety margin.

Dan
 
FWIW, I think Minimania frequently has sales, around 15% off off the original price of 199. Get on their mailing list and get the updates.
 
bugedd said:
FWIW, I think Minimania frequently has sales, around 15% off off the original price of 199. Get on their mailing list and get the updates.
Click to expand...

Thanks, bugedd! Will do.

Dan
 
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