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  #25  
Old 09-12-2014, 02:38 AM
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Re: MY2014 GC Limited Springs

how? all the pictures i can find have the struts on the trailer so i can't se how anything is transferred to the front axle of the tow vehicle.

Hayman Reese - Understanding Weight Distribution and Sway Control - hayman reese

actually, i think i answered my own question as it is noted in there, just missed it when reading at 4:30am this morning

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  #26  
Old 09-12-2014, 02:54 AM
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Re: MY2014 GC Limited Springs

Yeah, one end of the springs is attached to the hitch on the vehicle, the other end attaches to the trailer via chains, as the spring goes across the tow bar joint the tension forces the joint upwards.
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  #27  
Old 09-13-2014, 06:58 PM
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Re: MY2014 GC Limited Springs

Had a look at the trailer yesterday and come up with another problem. Can't see where I would attach the chains on here, it is about 1m of straight and I have a jockey wheel on one side and a spare in the other

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  #28  
Old 09-13-2014, 10:05 PM
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Re: MY2014 GC Limited Springs

It doesn't look like a good situation. Although it does look like you can put a smaller jockey wheel on, allowing you to flip the ball mount and drop the height, that alone should help a fair bit, you can see it is too high at the moment.
Then more adjustment from your trailers axle position.

This is only 1.5 tonnes (one horse on float today), but you can see the tailer is not high, actively creating a downward load:

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  #29  
Old 09-14-2014, 08:26 AM
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Re: MY2014 GC Limited Springs

Wouldn't Jarrid's tandem axle arrangement be "load sharing" given the boat and trailer weight of 3.5T? If so, I don’t believe that the height of the ball is going to significantly affect the ball weight.

I get the concept, as my boat is under 2T and is permitted to have two simple individually sprung axles. When the jockey wheel is lowered right down, the trailer heads towards a "balance point" and the jockey wheel ends up with virtually no weight on it. There is a zero ball weight just before it reaches ground level. If the suspension was load sharing, my understanding is that it'd tip forward until it reached the ground... with a constant ball weight through the arc.

Happy to be proved wrong in this... I'm regurgitating a recent discussion I took interest in from another forum, not an official source.

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  #30  
Old 01-12-2015, 02:24 AM
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Re: MY2014 GC Limited Springs

still haven't solved the issue. getting a WDH isn't a likely option due to the budget assocaiated with mods to the trailer and then the hitch itself. my latest thinking is to get airbags to assist with the additional squat and take a bit of load off. any thoughts?
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  #31  
Old 01-12-2015, 04:18 PM
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Re: MY2014 GC Limited Springs

Jarrid, early on in your thread some pretty experienced people asked what were the weights you were dealing with, and I reckon putting your package across a weigh bridge while loaded to worst case scenario is a basic first step - so you have figures to work with.
As also pointed out it is recommended by your vehicle manufacturer that a WDH be used when towing an ATM above 2268kg.
According to questions I asked my Jeep and van insurer, both advised that in the event of any claim arising from a towing incident, they would expect me to have complied with any recommendations by van or vehicle manufacturer. No brainer for me - using a WDH eliminates one possible area of wriggle room if anything goes pear shaped.

Once you have detailed info on your problem, you can narrow down your options and work from there. Fitting up of a WDH to your setup is not a massive engineering exercise.
Only you can decide whether the cost associated to deal with your towing safety and potential for issues is worth it to you and family.

Air bags and or heavier springs in the rear do nothing to redistribute tow bar load to the front wheels.
John
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  #32  
Old 01-12-2015, 05:02 PM
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Re: MY2014 GC Limited Springs

yeah, good answer. not worth it i suppose.

thanks.
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  #33  
Old 01-12-2015, 05:39 PM
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Re: MY2014 GC Limited Springs

Thats the problems with forums…….
you'll always get an answer to a question - but not always one that you were hoping for.

With some figures to work with you'll be on a positive track, and your optimum solution may have a couple of elements to it.
Good luck
john
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  #34  
Old 01-14-2015, 01:42 AM
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Re: MY2014 GC Limited Springs

Here's a good video on how a WDH works


As an aside, I remember seeing somewhere that you can now use a WDH on a boat trailer that doesn't have a traditional A frame to attach the lift up brackets to.
I'll see if I can find it.
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  #35  
Old 01-14-2015, 01:48 AM
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Re: MY2014 GC Limited Springs

This may be useful in setting up a WDH to a boat trailer
http://i1044.photobucket.com/albums/...l/DSCN1097.jpg
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  #36  
Old 01-14-2015, 03:18 AM
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Re: MY2014 GC Limited Springs

Did anyone else get annoyed when he wrote 1150 instead of the 1151 that was displayed? Or am I just an anal fool?
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