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TRT Widening trailer


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#1 Hessel

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Posted 26 August 2013 - 08:24 AM

In Australia and New Zealand they have al kinds of trailers. Real special are the widening trailers. After finding some real nice pdf drawings I decided to develope one of these trailers. It is a quad axle trailer with 4x8 wheels. This meant I had to figure out how to get these wheels. In the future I want to make a 2 axle widening dolly as well so I needed 48 wheels without any spare ones. The solution: I had them 3D printed.

 

During the time it took to develop the thing I discovered a model in scale 1:50 of a Drake-trailer. Mine is from TRT.

 

This is the model of the Drake trailer.

 

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And now some pics of the developed trailer and the tire spread out.

 

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And some details

 

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And the developed wheels, rims and tires are separate parts.

 

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All the parts are CNC milled and I'm working on the assembly of them.

 

Hessel

 

 



#2 bigred63

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Posted 26 August 2013 - 08:51 AM

Can't wait to see to see the finished model.



#3 richellis

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Posted 26 August 2013 - 08:57 AM

Ill be watching this progress, I saw this style trailer on telly being used in Australia (Heavy Haulage Australia)

#4 truckabilly

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Posted 26 August 2013 - 10:27 AM

It looks like a great project. I am looking forward to seeing the progress too.



#5 Tony Bryan

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Posted 26 August 2013 - 12:34 PM

Great project, TRT in New Zealand are mainly into fire engine bodies, and make trailers as a second business, even though they make a nice trailer, and are more than happy to share there drawings, I don't think they are exported to Australia, but one company from New Zealand does, and that is modern transport engineers

They build a similar trailer for heavy haulage here in Australia, and is used by companies such as Heavy Haulage Australia, Lampson's etc, The trailer was originally designed for Lampson's, to carry this crane, and is 5 rows of 8, extendable swing wing with 2x8 widening dolly, the whole unit is designed for 130ton

Here is a pic

 

 

 

 

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This really caught my eye when I first saw it, and am also drawing this in cad to have cnc cut in 1/16th,only the detailing left to go I have all the assembly pictures, and had a tour of there factory when they where assembling another for Lampson's

 

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They run a similar hydraulic suspension as you have design, this may help, the hydraulic ram is inside the frame on the right, and pivots on the left in the frame itself

 

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Dolly in the back ground, (jeep as it is known in the States), and the idea behind the Hydraulic goose neck and suspension is to be able to lift the trailer over small obstacles 

 

 

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Your project is a fantastic one, I like that you are doing something from the bottom of the word, or top, depends how you look at it, and really look forward to seeing your progress, and what rig you come up with to haul it

 

Auslowe also make a nice rim that you could use for this, they cast the tyres in rubber and the rims in resin

 

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Have fun

 



#6 Bennyg

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Posted 26 August 2013 - 12:58 PM

Nice.

Ben

#7 kilrathy10

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Posted 26 August 2013 - 01:08 PM

This is one very ambitious project....I'm intrigued....Can't to see what you get done over time......



#8 marcay

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Posted 26 August 2013 - 07:19 PM

hello

I have just visited TRT.co.nz site

it's great

big project



#9 Bowtienutz

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Posted 27 August 2013 - 12:56 AM

Very interesting. I don't belief there is any counterpart to that to that in the us other than a two lane specific trailer. Nice challenge .
Vince

#10 raildogg

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Posted 27 August 2013 - 04:59 AM

I am very interested in this project. I would like information on where to get drawings of this trailer. The only issues to scratch building one is the suspension. All those parts. I must re think my future projects, this might be on worth doing instead. Please send me a link for the drawings.



#11 Hessel

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Posted 27 August 2013 - 05:24 AM

The parts that were CNC milled and the tires and rims that I ordered. All parts are milled of 1mm polystyrene sheet. Thickening is realized by just glueing several parts together. I do not have a CNC machine of my own so no possibility to experiment with several thickness of material. The first pic shows a sheet I needed twice. It measures about 70x30cm. In general I needed about 1m2 polystyrene to get everything covered.

 

Hessel

 

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#12 BigBad

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Posted 27 August 2013 - 05:47 AM

This is going to be quite the project! Good stuff!



#13 Hessel

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Posted 27 August 2013 - 08:33 AM

Assembly of the first parts.

 

Hessel

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#14 truges

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Posted 27 August 2013 - 04:33 PM

That's pretty crazy - looks awesome!! Looking forward to seeing more.



#15 Bastardo

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Posted 28 August 2013 - 02:33 AM

I've had ideas of a project like this a few years ago - to draw and mill parts out of sheet styrene. I had some sci-fi vehicles in my mind and seeing this done it sure brings those ideas back to life :D

 

I love the project so far! Keep it up and update it daily, please... :D



#16 george 53

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Posted 28 August 2013 - 03:32 AM

You, sir, are an ENGINEER in plastic! That is one HECKAVA project!. But if your goin by the blueprints, it should work in scale too! GREAT thinking and design on your part! I'm truely impressed by your skills. Your a VERY committed modeler! It's gonna look GREAT!



#17 Hessel

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Posted 28 August 2013 - 08:22 AM

Well I'm still working on the thing so every day  :rolleyes:  :rolleyes: But I will try to get it right. Some more pics of the progress.

 

Hessel

 

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#18 george 53

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Posted 28 August 2013 - 09:18 AM

This is amazeing,Hessel. I would think it'd be a real bear to keep all thise panels in perfect alignment! So far so good! Watching this with MUCH interest!



#19 Hessel

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Posted 29 August 2013 - 04:59 AM

To keep up with the daily update is still possible. :D  :D

Joining the assembled subparts makes it possible to try the widening structure.

 

Hessel

 

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#20 marcay

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Posted 29 August 2013 - 10:35 AM

superbe !!!