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Old 10-20-2008, 12:02 PM   #15
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When being towed forward, the tow bar arms are in tension and when trying to backup,the arms are in compression. Any time you put a column such as the arm, it is not nearly as strong as in tension. The arm is more likely to buckle.

Additionally, the caster on the vehicle front wheels is set to keep the stability when moving forward. When the tow vehicle is reversed, the caster is opposite of what it needs to be for stability. In addition, the toe is set for forward motion, not to the rear. This is why the tires will tend to turn or flip when you try to back up.


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Old 10-20-2008, 01:18 PM   #16
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Gary, I think you misread Docs post, he said when braking hard and backing up the bar is in compression, which is probably true, the extent when braking is determined by the force your auxiliary brakes apply.
TXiceman, it's the caster that causes the wheels to cramp when backing up.

Sorry guys no offense meant.

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Old 10-20-2008, 02:16 PM   #17
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porscheracer and Hondo get what I was trying to say. I guess I could have been a little more precise in what I was trying to say.

There is disagreements whenever this topic is mentioned, no matter what forum. I suspect we will all continue to do what we are doing and nothing said here or anywhere else will change our minds one way or the other. However I would like to hear from anyone who has damaged a towbar or towed, backing straight back 15-20 feet on smooth level asphalt.
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Old 10-20-2008, 03:33 PM   #18
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It will not be the first time I miss read a post. Maybe not even the last time.

Doc, I am sorry if I offended you with my post, no offense was meant. It is the back and forth, like this, that helps clear up the meaning for everyone reading the thread. It is unfortunate you feel people are not open to what is posted here. For me that is not true. I learn quite a bit, on iRV2, and find the information very valuable. Sharing experiences and new products and ways of making RVing more enjoyable is what iRV2 is all about. That's why I participate.
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Old 10-21-2008, 06:36 AM   #19
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Offend me?? Of course not. Good discussions include many points of view and as I said most of us old dogs are too set in our ways to have something like a BB discussion change our minds.
Don't ever worry about offending me or anyone else. We are all just a group of people who enjoy RVing. We all have ideas that suit our purposes.
be safe

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