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Old 11-07-2013, 09:49 AM   #15
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Originally Posted by Rich-n-Linda View Post
It has a lot to do with rear end overhang. The more body mass there is BEHIND the rear axle, the less stable the driving experience. 36-foot coaches are especially susceptible to unstable driving conditions because most of them are built on a chassis with a short wheelbase and have a lot of overhang behind the rear axle.

That's why the 40-foot and longer coaches are so much more stable. They are built on a long wheelbase chassis and have a relatively short overhang behind the rear axle, especially if they have a tag axle.
well said and to the topic!

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Old 11-07-2013, 03:00 PM   #16
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Originally Posted by larrydp View Post
DW and I have a 31SS JAYCO class C. Are looking for a similar size A. We experience considerable wind movement when 18 wheelers pass us. Do the A's experience the same turbulence?? Thanks!!
Yes, Sometimes very little, sometimes if there is a crosswind and the semi passes at 80 MPH we get a push. I noticed the last time we were in any kind of wind the semi's were fighting it also.

DO not let being pushed by a semi deter you from getting what you want


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Old 11-07-2013, 03:10 PM   #17
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Thanks! Your advice is "on spot"!!!!
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Old 11-08-2013, 07:27 AM   #18
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I NEED to find that video that shows this because I don't know a sway bar from a left-handed monkey wrench................
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Old 11-08-2013, 02:38 PM   #19
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Not quite correct . A track bar (Panhard Bar) is used to reduce the side-to-side movement of a solid axle mounted on leaf springs or air bags. Older GM gas chassis had independent front suspension, so a track bar isn't needed except on the rear axle. Later Workhorse gas chassis, and Ford gas chassis, have solid front axles so can use a front track bar along with one at the rear. I suspect Diesel pusher chassis with air bags and solid axles front and rear already have track bars. Again, independent suspension doesn't need a track bar.

Originally Posted by Selah View Post
.. On gas coaches one thing that help mitigate wind push is to have track bars on both front and rear...

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