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Trailer Tr1 MkII type T2 reefer trailer
Model "Trailer Tr1 MkII type T2" is build with LEGO® in scale 1:17,5 and motorized using LEGO® Power Functions. It is not build after a specific brand or type of trailer. This build represents a two axle reefer (refrigerated) trailer with tandem axle slider. The trailer features: solid axle suspension on all axles, three sets of lights, a kingpin, remotely controlled landing gear and parking break, remotely controlled tandem axle slider, and many details. Scale: 1:17,5 Length: 826 mm Weight: 2,78 kg Parts: 1710 It’s color scheme matches that of „Truck T2 MkII” extremely well. The trailer’s weight is reduced by a light weight constructions of both the walls and roof and also by reducing it’s frame. The „container” is strong enough by itself so the frame is only used to attach necessities. These include the tandem axle slider, Power Functions and landing gear.
About this creation

In general




Model "Trailer Tr1 MkII type T2" is build with LEGO® in scale 1:17,5 and motorized using LEGO® Power Functions. It is not build after a specific brand or type of trailer. This build represents a two axle reefer (refrigerated) trailer with tandem axle slider.
Evidently this model is build with LEGO® (100%) and build in scale is 1:17,5 so it fits the trucks that are available as well. LEGO® Power Functions® are used to add realism and playability.
To add even more realism some cool features are enforced such as solid axle suspension on both axles. These axles are mounted on a slider which allows the axles to be remotely moved forward and backward. It has remotely controlled landing gear and parking break so together with the kingpin it can be attached and detached to and from the tractor.



Solid axle suspension




Most semi-trailers do have this so called solid axle suspension of which the need is evident: both mechanical components and the trailer's load can be damaged by excessive vibration and shocks.
Solid axle suspension is, as the name tells, a suspension system with a solid axle. For a trailer simplified this means there is this tube which holds the wheels that is mounted to the trailer in a way it can move. The ability to move and the system that regulates this is called the suspension.
To increase playability as well as making this model more attractive to have/build it has full solid axles suspension installed on all axles. This trailer utilizes the same suspension used on the truck models, it uses LEGO® rubber belts and LEGO® rubber axle connectors.



Battery Box: where to hide it!




In order to make this trailer operated stand alone it has been given a Battery Box. The loading area has full load capacity, this means no parts are hidden inside the reefer. So all components and Power Functions had to be hide underneath. The skirts to regulate the airflow are also hiding all the mechanical stuff.
Both item 88000 LEGO® Power Functions "AAA Battery Box" or item 8878 LEGO® Power Functions "Rechargeable Battery Box" can be used.



Axle slider




To adjust the weight on different axle groups the trailer’s tandem axle group can slide along the trailer. The tandem axle group can be moved forwards and backwards to put the axles where the weight is best distributed. With this the distance between the kingpin and the axle group can be altered. This is referred to as the trailer wheelbase. The longer the trailer wheelbase, the less maneuverable the truck-trailer combination.



Landing gear and parking break




In order to connect and disconnect this semi-trailer to or from a semi-truck it has a landing gear. Two supportive legs that can be lowered and raised to support the front end of the semi trailer when it is unhooked from the tractor. It is possible to connect to semi trucks with different fifth wheel heights.
Whenever the landing gear is down the parking brake is engaged as well. Backing up the tractor to hook up the trailer the parking brake prevents the trailer from backing up as well. Lifting the landing gear the parking break will be released.



Kingpin




To connect the trailer to the tractor the trailer has a kingpin installed. The kingpin is the pin at the front end of the trailer that connects to the truck's fifth wheel which is the coupling device on the rear end of the semi truck. By "catching" the trailer's kingpin a coupling is enabled between both semi truck and trailer. This kingpin does not only keep the trailer attached to the truck horizontally, but vertically as well. So going over a bump should not make the driver loosing the trailer and its load.



Building instructions




This preview will give you an idea of how the instructions for this model will look like. Creating these instructions both quick progress on your build and being easy to understand were the main goals. Early in the building process you will see what it is that you are building. You will be very excited from the moment you start the build of this model till the very end when you finish it. It won't be easy to part from it get a sleep or a decent meal. This build has a total number of about 1710 pieces.
To achieve both a quick progress and being easy to understand a lot of floating parts are used. The parts that has added arrows to show where these items are suppose to be. Together with a lot of so called "Call Outs" (the smaller windows within a step that shows the assembling of a smaller sub part of the build) together with multi part steps (not adding only a single part per step) the build will be in a flow.
So for you to build it go check the building instructions and inventory/parts list!












Comments

 I made it 
  September 6, 2015
Quoting Geoffrey Boulton fabulous you certainly get just how much LEGO goes into these top rate builds
Thanks and yes it indeed shows the amount of parts for it to build...
 I like it 
  August 23, 2015
fabulous you certainly get just how much LEGO goes into these top rate builds
 I made it 
  August 21, 2015
Quoting adam thelegofan rutland nice job!:D
Thanks!
Quoting Declan Muller Optimus Prime?
Could be! :-)
 I like it 
  August 20, 2015
nice job!:D
 I like it 
  August 19, 2015
Optimus Prime?
 
By 2LegoOrNot2Lego Ingmar Spijkhoven
Add to my favorite builders

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people like this. See who.

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Added August 18, 2015
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