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Hi Eurobrickers! I'm back with the new MOC - this time it's a new Mammoet SK 6000 crane! Current configutation is Mammoet SK6000 + Mammoet SK350 Fixed jib (which is compatible in real life) Original ring crane was just recently released by Mammoet in Netherlads! This is fan work. For built used only open source resources from WEB! Ok, also this MOC was built with unofficial consulting with Mammoet engineers, because it was a lack of the info in WEB, so I have to ask some thiings to match the real masterpiece crane. UPD: I was invited to the real crane's world presentation on last (or prevois) Friday to the Netherlads with my Crane MOC to show it at the mass media day near the real SK6000! Unfortunately I was on vacation that time and lost this once in a lifetime chance.. How it works: Centered counterweight is fixed and non movable, around it there are two train racks (imne are almost 180 degrees), so the crane is rotating arong the ballast. Real SK6000 does not have it, but from SK350 I took the jib which was surprisely fix and not luffing - it has no adjustments. Machine is able to lift 6000 tons and lift 2000 tons at the lenght of the footbal field from the basis !! The main feature of this crane is that it does not use winch to operate the boom - it uses special mechanism with chain, so I implemented this also :) Please enjoy the video first: Built with genuine Lego technic parts + 3rd party strings + 2 BuWizzBrick 's. I refused using trixbrix curved rails because found a solution with genuine lego parts. The model has 7500 parts which makes it the biggest MOC in my career! It has 8 L motors for smooth operating, powered by two buwizzes. Crane weights 8,3 Kg excluding power sources (battery boxes) and counterweights!! And the height is about 2.3-2.4 meters. More images are available: https://bricksafe.com/pages/Aleh/mammoetsk6000 Building instructions already available. Built took 1760 steps, which required a lot of effort to prepare it. https://rebrickable.com/mocs/MOC-195537/OleJka/mammoet-sk6000/#details
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Hello everyone, let me introduce my latest MOC – Mammoet PTC-200-DS Ring Crane made of Lego Technic! This particular model attracted me for a long time, but since I saw it on YT installing the highest wheel in the world at UAE, I decided to investigate it’s building.So I started from calculating it’s scale and number of wheels required. Railway ring set up crane’s scale. Then I decided to make 4 ¼ carriers with two 1/8 halves inside, each on 4 train wheels. So, all in all I required 32 train wheels. So, I started to look for them on BL.Building started from these 1/8 carriers. I wanted each wheel to be driven to spread the torque all over the chassis. So each ¼ carrier is driven by L motor. Totally 4 L motors rotate 32 wheels for crane rotation :)Then I started to build main superstructure (half). Build two similar halves and connect them. Then installed winches, counterweight box and booms. There is not too much information about this crane in the network, so my build is based on some youtube videos and browsed images of the crane. I would not able to get any info from the company directly. So the crane may have some differences from the real model. And for some reason I can't say this is a scale model. For examble real crane has two rings with 64 wheels on each. Obviously, I can't build a model on 128 train wheels - this sclae is simply out of my budget.I was dreaming of a crane which would be able to lift up to 1 kilo. Luckily, this crane one can easily uplift even 1,5 Kg 😊Crane is powered by classic PF elements: 4 L motors for drive + steering rotation, 4 XL Motors for 7 winches. I recommend using 4 BBBoxes as a counterweight. Although only one is connected and needs to be charged. It would be simple to switch crane management to SBricks or Buwizzes (as there are five separate functions, you’ll require 2 sbricks or two buwizzes). Installing PU system instead of PF may become a challenge, especially for carriers. If you have only one battery box - this is not bad, crane is stable even with one battery box as a counterweight, but, obviously, it can't lift a lot or make a horizontal poisition. Crane is 210 cm high in the current configuration at it's highest position. Can lift 1500 gramms or maybe even 2000, but I didn't give it a try to save parts from stress. Fully RC with 5 channels with 3 IR receivers. Can be layed horizontally and back to working position without human help. More images Ah, building instructions are already complete and ready: https://rebrickable.com/mocs/MOC-77733/OleJka/mammoet-ptc-200-ds-ring-crane/#details
