Gundog wrote:

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Please explain how you are such an expert about weight distribution hitches in a country of 26 million people, where in a country 335 million people who use WDH's with towball weight from 600lbs to 1600lbs that manufactures and engineers who design and build them can be so wrong ?

The absolute gaul of you setting yourself as an authority on the subject, that could actually cause someone to have a serious accident by not using one if required.

This simplified answer how a weight distibution hitch works.

Rather than the weight being centered on the point where the trailer and vehicle connect, the weight distribution hitch distributes the weight across the axels of the vehicle and trailer.

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Graham, you appear to be a very confused individual as NEVER have I "set yourself up as an authority on the subject".

That merely is your perception, and might I suggest that not only is it wrong, but it is irrelevant to the discussion.

All I have ever done is present the facts in the most easily understood way that I can. Facts are facts.

Furthermore, the number of inhabitants of any continent has absolutely no bearing on credibility, or their ability to think logically.

Looking at the results of some recent elections may confirm this.

Your talk of "people who use WDHs with towball weight from 600lb to 16,000lb" suggests that you copied this from an American site.

The towing of pig trailers that are carrying 15 ton earthmoving machines has little relevance on our forum, where we are discussing the recently retired Ma and Pa Kettle who have ZERO towing experience, but have been told that by people with a vested interest that their little twin-cab ute, among others,  can indeed tow a heavy van, but ONLY with a WDH.

Your sentence, part of which I have highlighted in blue, makes little sense and you have said "not using one if "required". 

The word "required" is open to interpretation, as  'required' could mean that the car manufacturer has mandated the use of a WDH, or 'required' could mean that the car and van are so poorly matched that, in an effort to make it near-legal, the cure-all WDH is added.

Increased TBO, increased yaw, increased weight in an effort to make a car do things for which it never was designed.

NEVER will you get an honest, self-incriminating response from manufacturers for anything they market.

I iterate that NEVER have I claimed to be an authority, nor "set yourself (myself) up as an authority on the subject".

That is merely your perception and is irrelevant to this discussion.

Again I will say that, with the cars and vans we use in Australia, a WDH is used and recommended ONLY by those manufacturers and car-owners who are trying to make a car do things for which it never was designed. 

Lastly, could I suggest that rather than copying text per verbatim you should first study and comprehend it?

I refer to the BRIGHT RED text in your post where it is claimed that the weight that a WDH distributes is "centred on the point where the trailer and vehicle connect",(towball and is distributed from there. 

You should by now understand that that assertion is incorrect, and that a WDH does NOT change towball weight.("Where trailer and vehicle connect".)

The distributed weight is removed from the car's REAR AXLE and distributed to the car's front axle (around 70%) and the van's axle group. (Around 30%) 

Car wheelbase and towball are the main variables, with forward length another.

Lastly, could I respectfully ask that if you wish to persist in your apparent efforts to denigrate me could you please make an effort to at least read and understand any text that you source on the internet, and its relevance to Australian caravanners? Thanks Graham.

P.S Perfect way to save fuel! Kill the car.

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