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Old 12-31-2012, 10:30 PM   #1163
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Ron Gratz, thanks for all the criticism in your post #1153. I have had the Andersen on two different trucks and adjusted it multiple times, so take your pick. I've got a pocket full of notes if you want some more.

Trying to help here with real experience, and I get ridiculed for it.

doug k
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Old 12-31-2012, 10:43 PM   #1164
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Originally Posted by AWCHIEF View Post
Laughing to myself. This thread is like the Mayan Calendar - it just goes around and around in circles and keeps coming back to the same point.
Like someone previously said:
(Paraphrased) There are two views on the Andersen System. Those that have actually and honestly used the system and are generally happy with the performance and those that have not and no matter what anyone tells them just will not except that it works as advertised.
People will always have different views, as well as sometimes very strong opinions.

Some feel that if they didn't do it, it won't work. Others say "Oh well".

Then there are others that feel that "won't" and "work" are just another couple of nasty words.

All of this gives RV owners more to chat about instead of just the lousy construction of their coach.

Things will always happen.

How about what used to be our four seasons??

Andy
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Old 12-31-2012, 11:07 PM   #1165
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Originally Posted by dkottum View Post
Ron Gratz, thanks for all the criticism in your post #1153.
Doug,

My comments in Post #1153 were not directed at you.

They pertain to the quote at the beginning of the Post.

Ron
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Old 01-01-2013, 09:32 AM   #1166
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That might be true if there were no hysteresis in the suspension components --
but, in reality, the friction-related hysteresis in suspension components means that there is not an exact correlation between height and weight.

I think any reasonable person who looks at very much height/load data would conclude that if heights are the same, the weights are not necessarily the same.

Also, wheel well height is not always measured and reported accurately. For the case in point:

Doug reported in Post # 757, "Truck very close to original attitude using wheel well measurements, and trailer about an inch low in front."

In Post # 764, he reported, "Trailer perfect level, truck down 1" in back and up 1/2" in front.

And, today he reported, "Steve, with Andersen and without. Front same height, rear down 3/4".

So, I don't know whether the front end was returned exactly to the unhitched height.
But, I do know that even if it were, that does not prove that the front actually was returned to the unhitched load.

Depending on the spring rate, a height discrepancy of 1/2" might correspond to a load discrepancy of 300#.

If you really want to know how much load is being transferred, you should get some accurate axle load data and forget about using wheel well heights.

Ron
OK Ron, Now I'm calling BS!

Please provide us scale data that shows significantly different load on an any tow vehicle axle with the exact same height measurements.

At this point it seems that no matter what anyone says about the Andersen hitch, you say it's not so and just want to argue about it. Do you own and use an Andersen hitch? Do you own and use ANY weight distribution hitch? Do you own and tow an Airstream?

You have no data in your profile that indicates you even tow an Airstream, what your experiences are, and at this point, it seems to me you might even be just a troll. Do you work for one of the other hitch manufacturers?
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Old 01-01-2013, 10:23 AM   #1167
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I believe Ron Gratz is with Hensley hitch.
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Old 01-01-2013, 10:24 AM   #1168
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How the heck does an inanimate object evoke such passionate emotion?

Can I repeat my dispassionate question?

Is it possible the Andersen is better suited for heavy duty tow vehicles that a) don't seem to require as much weight distribution as say cars of 20 years ago and b) have some amount of "sway control" built in (usually via auto-braking capabilities)?
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Old 01-01-2013, 10:29 AM   #1169
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I believe Ron Gratz is with Hensley hitch.
OK, THAT would explain the objective of most all of his posts on this thread.
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Old 01-01-2013, 10:36 AM   #1170
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That might be true if there were no hysteresis in the suspension components --
but, in reality, the friction-related hysteresis in suspension components means that there is not an exact correlation between height and weight.

Ron
HYSTERESIS

Ron you are really reaching for the sky on this one. Yes every mechanical system has some hysteresis in it but generally we are talking about something in the third decimal place.

In my scale weights I accepted that the scale accuracy was + or - 20 lbs, the hysteresis of the scale, and I think you should also accept the minimal effect on a system of 17,000 lbs. when comparing fender measurements.

At this point you would have more creditability if you just posted something on the lines of "Peter Peter Punkin Eater"
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Old 01-01-2013, 11:01 AM   #1171
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Originally Posted by SteveSueMac View Post
How the heck does an inanimate object evoke such passionate emotion?

Can I repeat my dispassionate question?

Is it possible the Andersen is better suited for heavy duty tow vehicles that a) don't seem to require as much weight distribution as say cars of 20 years ago and b) have some amount of "sway control" built in (usually via auto-braking capabilities)?
I believe you have hit the nail on the head with a) The Andersen does seem to work better in that application. It does seem to have a softer action than the spring bar type hitch.

It has been established in other threads, that many Airstreams come with too heavy a set of spring bars when set up by the dealer. To the point where the trailer gets shaken to pieces with popped rivets etc. The solution is to use lighter spring bars .

The Andersen hitch uses urethane rubber in place of steel bars, and has a gentle action. Most users have commented on this. The smoothness and ease of towing, along with complete control.

The one person who tried it on a car with a large trailer, Andy from Can Am, found he could not get enough weight transfer.

The consensus seems to be, that the Andersen works best when the tow vehicle is in proportion to the trailer, either a large tow vehicle and large trailer or smaller tow vehicle with smaller trailer.
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Old 01-01-2013, 11:46 AM   #1172
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The consensus seems to be, that the Andersen works best when the tow vehicle is in proportion to the trailer, either a large tow vehicle and large trailer or smaller tow vehicle with smaller trailer.
Most also believe the Andersen hitch works well with a large tow vehicle and small trailer.

I also think most would agree it wont work with surge brakes.
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Old 01-01-2013, 11:52 AM   #1173
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Quote:
Originally Posted by SteveSueMac View Post

Is it possible the Andersen is better suited for heavy duty tow vehicles that a) don't seem to require as much weight distribution as say cars of 20 years ago and b) have some amount of "sway control" built in (usually via auto-braking capabilities)?
Anything is possible. I don't recall reading of anyone using the Andersen System on any cars 20 years old. I can only say that the Andersen works very well with my combination of a 1964 Bambi II and a 2012 F150 SCREW Ecoboost.
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Old 01-01-2013, 11:56 AM   #1174
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I also think most would agree it wont work with surge brakes.
First I have heard of an issue using the Andersen System with surge brakes. Why would it not work?
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Old 01-01-2013, 12:40 PM   #1175
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First I have heard of an issue using the Andersen System with surge brakes. Why would it not work?
The chains on the Andersen pull the trailer forward against the ball the same way the trailers weight would to activate the surge brakes when stopping. So with 1000lbs per chain 2000lbs total you would need nearly 2000lbs of force pulling (that wasn't lost in moving the trailer) just to deactivate the brakes.

Kind of similar to the reason most trailers with surge brakes have a way to deactivate them when backing up.
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Old 01-01-2013, 02:00 PM   #1176
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I've followed this post though all 84 pages. With the improvements Anderson did with the chain guide. And using just a generic WD in the past, I really believe it would be the perfect match for my 22 foot Argosy. I am also willing to try it on my 28 foot Argosy. So hopefully I'll have one on my trailer before I use it this year.
Plus whats not to love about the reduced weight of the hitch and no grease.
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