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Topic: New Andersen WD hitch

Posted By: Ron Gratz on 06/07/12 03:03pm

Those who are interested in the technical aspects of the Andersen WD hitch might be interested in reading

The Andersen WD Hitch User Thread

So far, the posts are primarily technical discussion with reports from a couple users included.

Lots of interesting opinions on how the Andersen hitch works.

Ron


Posted By: JBarca on 06/07/12 09:16pm

Thanks for the link Ron. Just read all 7 pages. They need some pics and or diagrams to help explain it verses words.

Folks are actually talking about giving up a Hensley or a ProPride and going to the Andersen[emoticon]. That's different.

They seem hung on the forces on the coupler latch right now. Well, for those that see the forces on the latch that is. Not everyone has made it to that point yet.

I have not checked the Forest River forum in a while if Andersen ever posted WD data verses axle weights. Will see if the AS forum will get an answer on the latch question.


John & Cindy

2005 Ford F350 Super Duty, 4x4; 6.8L V10 with 4.10
CC, SB, Lariat & FX4 package
21,000 GCWR, 11,000 GVWR
Ford Tow Command
1,700# Reese HP hitch & HP Dual Cam
2 1/2" Towbeast Receiver

2004 Sunline Solaris T310SR
(I wish we were camping!)



Posted By: Ron Gratz on 06/08/12 10:48am

JBarca wrote:

Folks are actually talking about giving up a Hensley or a ProPride and going to the Andersen[emoticon]. That's different.
Yes, some seem to be equating the anti-sway potential of the Andersen hitch with the anti-sway potential of a Hensley Arrow or ProPride. I think anyone who switches from a 4-bar linkage hitch to the Andersen friction system would be making a big mistake.

Quote:

They seem hung on the forces on the coupler latch right now. Well, for those that see the forces on the latch that is. Not everyone has made it to that point yet.
Yes, some seem to understand that the chains are under tension but fail to see how that force is applied to the A-frame.

And one person who posted today still cannot understand how the ball is restrained from yaw rotation relative to the coupler.

Ron

* This post was edited 06/08/12 11:18am by Ron Gratz *


Posted By: atreis on 06/09/12 06:08am

The ONLY advantage I can see to the Anderson over a Hensley or ProPride (that's bought and paid for) is weight. But really, if you needed/wanted a Hensley or PP enough to actually pay for one, switching to an Anderson seems ... unwise ...


2021 Four Winds 26B on Chevy 4500



Posted By: carringb on 06/09/12 08:38am

atreis wrote:

The ONLY advantage I can see to the Anderson over a Hensley or ProPride (that's bought and paid for) is weight. But really, if you needed/wanted a Hensley or PP enough to actually pay for one, switching to an Anderson seems ... unwise ...


The Elastomer bushings will provide some spring damping which the VPP hitches do not provide. The Anderson also has a greater turn angle.


2000 Ford E450 V10 VAN! 450,000+ miles
2014 ORV really big trailer
2015 Ford Focus ST



Posted By: Clanton24V on 06/09/12 08:42am

carringb wrote:

atreis wrote:

The ONLY advantage I can see to the Anderson over a Hensley or ProPride (that's bought and paid for) is weight. But really, if you needed/wanted a Hensley or PP enough to actually pay for one, switching to an Anderson seems ... unwise ...


The Elastomer bushings will provide some spring damping which the VPP hitches do not provide. The Anderson also has a greater turn angle.


I love the turn angle of the Andersen hitch makes parking the trailer so much easier.


Posted By: Ron Gratz on 06/09/12 10:53am

Here is another Andersen WD Hitch thread on another forum.

But only one person seemed to have anything new to add.

Ron


Posted By: Ron Gratz on 06/09/12 01:11pm

Here's a very informative thread, A new Weight Distribution Hitch (WDH), on the Lance Owners of America forum.
This one has some excellent "engineering" data. [emoticon]

Be sure to read the exceptional presentations by Bruce H. who also has contributed to our thread under the same user name.

Bruce has measured, and presented in graph form, the relationship between urethane spring compression and spring load.
His results show 1/4" of compression produces about 1200# of load per spring.

Ron


Posted By: JBarca on 06/09/12 05:23pm

Ron Gratz wrote:

Here's a very informative thread, A new Weight Distribution Hitch (WDH), on the Lance Owners of America forum.
This one has some excellent "engineering" data. [emoticon]

Be sure to read the exceptional presentations by Bruce H. who also has contributed to our thread under the same user name.

Bruce has measured, and presented in graph form, the relationship between urethane spring compression and spring load.
His results show 1/4" of compression produces about 1200# of load per spring.

Ron


Ron,

Thanks for the link. I fully agree Bruce H.'s report is outstanding!! He is taking the extra steps to totally try and under stand his hitch and we commend him for that. Way to go Bruce!

1/32" = approx 300# of chain force. On his smaller setup these fine adjustments can make a large difference.

It would be interesting to see if that somewhat linear relationship he has seen from 0 to 1,200# of urethane spring force held that constant on a tongue weight of 1000 or 1,400#.

John


Posted By: rexlion on 06/09/12 05:31pm

atreis wrote:

The ONLY advantage I can see to the Anderson over a Hensley or ProPride (that's bought and paid for) is weight. But really, if you needed/wanted a Hensley or PP enough to actually pay for one, switching to an Anderson seems ... unwise ...

Also, there would be no "Anderson bump" equivalent to the "Hensley bump." Not that I am equating the two hitches, though!


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