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Post Info TOPIC: SUSPENSION BUFFERS
IRVDAPH


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SUSPENSION BUFFERS
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Hi All

  I re  ad recently the members report about a broken spring incedent on the Newell.To minimize the chance of this happening I have decided to fit rubber suspension stoppers to the chasis above the spring/axle to limit over deflection of the spring,Iwonder why manufactures don't fit them,any comments please

                                   CHEERS IRV.



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Mousey


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good idea i reckon are fitted to trucks

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justcruisin01


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IRVDAPH wrote:

Hi All

  I re  ad recently the members report about a broken spring incedent on the Newell.To minimize the chance of this happening I have decided to fit rubber suspension stoppers to the chasis above the spring/axle to limit over deflection of the spring,Iwonder why manufactures don't fit them,any comments please

                                   CHEERS IRV.

 Manufactures will put it down to cost cutting if you asked them.

All cars have then so why not a van.

Over deflection will break leaf springs for sure, so the fittment of rubber stoppers to control this is a good idear, but must be located in correct position.

JC.



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blaze


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I have fitted rebound springs to my van which are essentialy on off road spring that acts like a spring with a shockie
ceers
blaze

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Peter_n_Margaret


Guru

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All cars have shock absorbers too.
The suspension is impossible to control without them and will break springs.

Cheers,
Peter

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Paul Merryman


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If your springs are regularly bottoming out you have overloaded springs. Not surprising on caravan or motorhome. On a recent test of 102 caravans they pulled up 82% were overweight. 28 medium to small motorhomes were pulled the following day, which all were overweight. Adding additional spring or use Aeon type spring with existing spring http://www.timbren.com/aeon-springs-in-action.htm

http://www.alko.com.au/vehicle-technology/product-catalogue/springs/eye-to-eye-shackle-springs/ will give you a good idea by the number of leaves on your springs of your carrying capacity

Suggest check your caravan weight over weigh bridge in comparison to the plated figures. 300kg for single axle and 400kg for tandem is a joke. Many caravan manufacturers guess the weight and plated weight has no correlation to actual weight or towball weight.



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Paul Merryman


Veteran Member

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Posts: 26
Date:
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If your springs are regularly bottoming out you have overloaded springs. Not surprising on caravan or motorhome. On a recent test of 102 caravans they pulled up 82% were overweight. 28 medium to small motorhomes were pulled the following day, which all were overweight. Adding additional spring or use Aeon type spring with existing spring http://www.timbren.com/aeon-springs-in-action.htm

http://www.alko.com.au/vehicle-technology/product-catalogue/springs/eye-to-eye-shackle-springs/ will give you a good idea by the number of leaves on your springs of your carrying capacity

Suggest check your caravan weight over weigh bridge in comparison to the plated figures. 300kg for single axle and 400kg for tandem is a joke. Many caravan manufacturers guess the weight and plated weight has no correlation to actual weight or towball weight.



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Paul Merryman


Veteran Member

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Posts: 26
Date:
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If your springs are regularly bottoming out you have overloaded springs. Not surprising on caravan or motorhome. On a recent test of 102 caravans they pulled up 82% were overweight. 28 medium to small motorhomes were pulled the following day, which all were overweight. Adding additional spring or use Aeon type spring with existing spring http://www.timbren.com/aeon-springs-in-action.htm



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Paul Merryman


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Posts: 26
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http://www.alko.com.au/vehicle-technology/product-catalogue/springs/eye-to-eye-shackle-springs/ will give you a good idea by the number of leaves on your springs of your carrying capacity

Suggest check your caravan weight over weigh bridge in comparison to the plated figures. 300kg for single axle and 400kg for tandem is a joke. Many caravan manufacturers guess the weight and plated weight has no correlation to actual weight or towball weight.



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Paul Merryman


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Reason posted as 2 bits, said post was spam. Divided into 2 posts, posted.



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ozjohn


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QUOTE:
"On a recent test of 102 caravans they pulled up 82% were overweight. 28 medium to small motorhomes were pulled the following day, which all were overweight".

When and where? 

Ozjohn.



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Location: Mornington Peninsula Vic. 
ozjohn


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Who supplied the figures and where were the figures obtained?

They must have a reasonable expectation that the combined rig weighs more than 4.5 tonne to be able to weight it. If it's under 4.5 tonne they have no authority to take action for being overweight.

Over 4.5 tonne they do have the authority, but they would have absolutely no idea what the allowable weights are for the vehicle, tow bar, van and GCM.

Cheers, OJ



-- Edited by ozjohn on Tuesday 6th of March 2012 12:43:37 PM

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Retired Engineer, Ex Park Owner & Caravan Consultant. 
Holden 2.8 Colorado - Roma Elegance 17'6" Pop Top.
Location: Mornington Peninsula Vic. 
Paul Merryman


Veteran Member

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Date:
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September last year Willow Tree New England

Doing a survey nobody was ticketed. Was a lacky on portable weighing gear



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Paul Merryman


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ozjohn wrote:

Who supplied the figures and where were the figures obtained?

They must have a reasonable expectation that the combined rig weighs more than 4.5 tonne to be able to weight it. If it's under 4.5 tonne they have no authority to take action for being overweight.

Over 4.5 tonne they do have the authority, but they would have absolutely no idea what the allowable weights are for the vehicle, tow bar, van and GCM.

Cheers, OJ

-- Edited by ozjohn on Tuesday 6th of March 2012 12:43:37 PM

You really don't have a clue what RTA have. RTA are not clowns. Between the RTA and police they can weigh or send any vehicle to a weigh bridge.



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