Thread: Trailer Build

Thanks Yonnee

You saved me a heap of time trying to find an off the shelf solution.

Seeing as I will probably use the handbrake at least ten times a week I decided to go with a more permanant option.

Drilled out some 12mm x 25mm low tensile bolts ( had to drill by hand so didn't get them quite in the middle) ;

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and then attached them to the backing plates so that the pull was straight.

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A little grease in the hole and she should be good for a few years.

cheers

dazzler

Great solution Dazzler

Gotta love Aussie ingenuity.

Mind if I borrow that idea for my own car trailer???

Made my first trailer more than 30 years ago - not as ambitious as yours, just an 8x6 box with mesh panelled cage around the top, but later ones were. Great satisfaction and lots of little extras that no bought trailer provides.

You should take the time to do up some plans - I am sure many would buy them from you.

Good job.

Originally Posted by dazzler

A little grease in the hole and she should be good for a few years.

I keep telling the missus that..

What a top job you've done there mate. Just a couple of questions for you.

How did you determine where to put the wheels?

How much do you reckon this has thing has cost you in parts?

I'll field the first part of Boban's questions.

The axle/s on a trailer must be located so that the trailer will tow safely when both empty or loaded. This is neither too much ball weight, nor too little.

For a standard type trailer, whether it be a box, cage, enclosed, camper, etc., there is a general rule of thumb for the axle location. The rule is the same whether it's a single, tandem or tri-axle trailer, the rule applies to the axle group. This rule is as follows;

"Excluding the drawbar, measure and mark the halfway point of the length of the body of the trailer. The centre of the axle/s should be placed 1/2" to the rear of this mark for every foot of body."
So, a 6 x 4 for example, should have its axle 3" to the rear of centre.

However...

This is not the case where a trailer is being built for a particular application or set load, such as a boat trailer, horse float, and in this case a plant trailer where a majority of the weight of the load is to the rear of the trailer. In these cases the axle location must be determined on a case by case basis, usually placing the axle slightly to the rear of the centre of the load. Bear in mind, as with Dazzler's trailer, load sharing spring sets will always transfer the load on or off the tow vehicle. Meaning that any weight forward of the centre hanger will be added to the existing towball load, and any weight rear of the hanger will be subtracted from it.

Originally Posted by Yonnee

Gotta love Aussie ingenuity.

Mind if I borrow that idea for my own car trailer???

All yours

Originally Posted by boban

What a top job you've done there mate. Just a couple of questions for you.

How did you determine where to put the wheels?

How much do you reckon this has thing has cost you in parts?

Hey

Mine was pretty easy as the machine weighs close to 1500kg and is similar in length as they tandam axles are so the major weight is within the spring hangar/axle area.

Forward of the axles and machine is about 250kg of implements and seeing as its being towed by a truck the towball weight is not as critical. There are a few plant trailers similar to mine and they all seem to have the wheels very much towards the back so went along with the crowd so to speak. I also wanted the ability to unload without the truck hitched so this also required the wheels way back.

Havent taken it for a run yet but will do after new year when it goes to the weigh bridge.

I think its cost about $3800 to build and will add it all up at the end. There is $2250 worth of axles/brakes/controllers which bumps it up. Most trailer places wanted between $8000 and $9500.

Hope to have finished pics soon

It does surprise me how badly built or just poor quality trailers that are sold new.

Just on the cost the components cost were $2,250 and the steel $1,550?

Do you have an idea of weight yet?

The frame seemed very substantial.

Looks like a kick ???? trailer, well done.

Looking forward to final pics.

Pulpo

For Dazzler http://www.newcastletriton.asn.au/im...ster%20020.JPG

Hi

Well shes practically complete. Just have to finish off the holders for the mudguards and then shes off to the weighbridge and rego .

Havent fully decided on the mudguard holding mechanisms but should have it sorted tomorrow as the engineering shop down the road has some overcentre clamps/thingys that may do the trick otherwise I will be going with the bolts up through them and a tnut on top.

Sprayed in Rustkill Aluminium which went on well and have had a number of passers by comment on just how well I weld aluminium .

I will post the final weight and build costs next week.

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cheers


Dazzler

Originally Posted by wheelinround

For Dazzler http://www.newcastletriton.asn.au/im...ster%20020.JPG

Now thats a trailer

That looks SWEET!


Well done... that is a really great effort... you should be proud of yourself.