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  1. Is it possible? Yes of course. After all, you can build anything from LEGO bricks. A crane model made of LEGO bricks with a height of more than 10 meters should not be a problem. And it does not. But let's start from the beginning. The works manager arrived at the construction site and gave an order to start the works. And that's where it started. In fact, it started 5 years earlier, when my model of a large crawler crane reached 7 meters, described on eurobricks here: The experience gained during the construction of that model was used now in the construction of another, larger and much higher crane model. The construction target this time was at a minimum height of 10 meters, which, if successful, would make this structure my new tallest model crane in the world. The construction took about two years intermittently with many modifications along the way, especially in the area of winders and the main arm structure. The crane is made entirely of Lego bricks with no metal improvements and with no using glue. The exception are the lines and the load on the counterweight. The improvements that needed to be made compared to the previous seven-meter model were, above all, reducing the flexibility of the main arm structure, increasing the possibility of winders lifting the lower and upper section, extending the rear arm and increasing the load on the counterweights. For transport, the crane was disassembled into 13 elements, some over two meters long: As for the counterweights, I increased the load to 35 kg compared to the previous model. The counterweights are located on a tracked, remote-controlled chassis that allows the model to rotate. And here is the new reinforced main arm structure, when tested in tight conditions: and already in the right place: The lower section of the main arm is less than 5m long, which, combined with the height of its installation in the crane, makes the lower section itself reach a height of over 5m. Construction continued. Installation of the upper section with a length of just over 5m. And its trial straightening with a winder. The final result. Some technical data: Maximum height of the main arm: 10m Rear arm height: 1.8m Load in the area of counterweights on a tracked chassis: 35 kg Crane weight excluding counterweights: approx. 24 kg Arm lifting winder drive: 2x XL reduction 24: 1 Drive of the winder straightening the upper arm section: 2x XL reduction 24: 1 Hook winder drive: 1x XL 5: 1 reduction Platform drive under counterweights: 2x XL reduction 64: 1 Youtube: And links: My website Naturalbornuser.pl (polish) Flickr gallery Main polish LEGO forum