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  1. no, it's a non lego piece. It's a tungsten weight (2X25g) glued to the hook block with double sided tape (easily removed). It's to weigh the hook down to compensate for the 4 part string. With normal lego I cannot achieve such a weight. together with the small bearing balls in the ballast section, they are the only non lego items I find in this scale the turntable and the gearing for moving the turntable the weakest points, the main body still has to slew under load, and with a too high load the turntable is simply not strong enough and just gives too much play. In this build the upper body is supported by the liftarms just under it, and under load they give a lot of friction on the track body.
  2. Dear all, Another year, another crane. This time it's a crane in the size range of the 42042. The crane hase the same track size and width, and shares more or less the same frame, but this time in black, also I decided for now not to motorize the tracks. The body has also more or less the same size and structure as the 42042, but I tried to make the body less wide. The crane has 4 motors, 2 L-motors for the 2 winches on top, one XL-motor for slewing and 1 angular motor for the 3rd winch. They're all housed in the body and connected to the battery box aft of the main body. The 2 ballast boxes each hold 150grams of ballast. The building showed me it's indeed difficult to make a rugged build, due to the flexing of lego parts because of sideways movement of the crane boom. this was almost complete fixed with the installation of the 2 springs and some additionals beams for support at the front of the body. For now the crane can lift 350 grams in its highest and most comfortable position. The cabin has an openable door and can be tilted upwards(not seen here) I used the good old lego metal hook with 50 g of ballast stuck to it, I didn't use a turntable this time because it would make the hook too bulky and too big Here's a view of the panels removed, you can see the placement of the motors and the winches, the winch of the hook is directly connected to the angular motor, without any gears The last photo is for scale, in it's highest position the crane reaches 1,35 m, additional sections can offcourse be added
  3. very well suited to build a Liebherr Tower crane. The lattice pieces can be used for the main mast, and the ballast can be used partly for the main mast at the bottom and partly for the counter-ballast in the swinging part
  4. Hello all, The more I look at the latest photos, the more I like the set, sure I don't like some design solutions but the carrier en the main body do look good, and overall the set has great mod potential, who doesn't like that in a lego technic set? As a crane enthousiast it is a must buy for me, and yes the crane will get better and higher with good stability
  5. Hello all, I found the latest iteration of the material handler a bit flimsy, and esthetically not so nice and I also didn't like the wheel base. So I decided to mod the 42053 material handler to beast mode. It has the latest control+ XL-motor with the dumb battery box and one small pump. The cabin of the 42053 is reused without modifications, the grabber is reused with a bit of modifications, and the design of the aft section is also reused. For the booms I used the 42144 design. The crane uses ballast in the track section and in de crane body. The ballast are small metal bearing balls in the LBG-boxes, which are easily removable It's an 'electrical' excavator with external power supply, the cable is reeled in and out together with the movement of the tracks In total there are 6 cylinders and 1 small pump (should have been 2, but there was no room in the body) a few openable hatches I hope you like it, due to time restraints I couldn't eleborate the design more, I will make I claw grabber in due time
  6. I have used 2 blue pumps with 2L travel together with an L-motor, all fit very nicely
  7. The Unimog is a MOD of the 8110 set, It's RC, with 1 XL PF motor for drive and one L PF motor for steering. It has the wheel hubs of the mercedes zetros. Actually the only thing original of the unimog is the base chassis (which is also a few studs longer due to the bigger tires) My material handler will be with tracks with the raised structure. The size of the crane body will be approx same as the 8043 excavator.
  8. Hello all, Because I'm starting on a new project I will disassemble a few models and I wanted to share them here as a summary of my builds this year. Here are the models which will be disassembled. First of all my crawler crane. I'm more or less proud of this model, as it represents very good a real crane (in my opinion) and I think it was a really good build. Second we have the unimog, it was a build that stretched over various months/years with additions along the way. The last addition was the blue knuckleboom crane. It was full pneumatic, including the outriggers. The swinging of the crane was not good due to the many hoses going through the turntable. also the crane resulted to small for the height of the unimog. But folded it looked quite good proportion wise. Next Is the batmobile, I bought the 42127 set just to build the unofficial b-model, and i must say it really looks good. The model is also a good parts pack for black components, which I'll need for my next project. My son also liked the model and he built a model of his own with system bricks. Last is a model that I will not take apart but further modify and that is the iconic lego heli set 9396. I won't bump the original MOD pages so I'll post the foto's here. I'm planning to build it like the new airbus helicopter with a AA battery box instead a AAA box, I want to make another gear box so the rotor spins faster. Maybe I put the rotorhead of the airbus in this one when I acquire the set. This MOD of the 9396 has in total 4 motors 2 L-motors for the rotor, 1 m-motor for the landing gear (including 2 mini LA's) and 1 m-motor for the whinch. The cargo ramp is omitted in my mod. Also the tail boom was revised, and some minor visual changes behind and in front of the rotor assembly. Also the nose section was revised a bit. Also the winch was revised. My next project will be a full pneumatic, non-rc material handler based on this crane I hope you liked the post, comments are always welcome
  9. Hello, I recently bought the set second hand, and had the same problem. The build is indeed correct but the winch doesn't move by hand or with a motor. I replaced the part with an axle assembly so that it can turn without friction, and everything works fine. I found it a strange solution from lego.
  10. I bought this set just to be able to build the B-model, thumbs up, very well done
  11. Hello all, I think this set resembles more the 42006 model only with wheels and pneumatic actuators. I'll buy 2 copies for sure (I also bought 2 copies of the 42006, it was a great set for modding), and I allready have some mods in my head.
  12. So during the making of the video a few problems arose... So I reworked the undercarriage again. The driven sprocket wheels are reinforced, which result in a better drive and fluent drive motion. I also changed the gearing of the slewing motor and I added a slip gear. I also improved the reinforcements of the underside and the turntable. New tests do show a lot of improvement in drive and slewing. A foto to show the upper part of the crane has a good balance, without the base and the ballast weights. more fotos and video coming soon
  13. The shock absorbers, do limit the movement to a certain point, but without shocks the main boom can only go to 90 degrees due to the construction of the swivelvpoint video is in the workings
  14. Hello all, Here's a new update, I rearranged the configuration. I have now a secondary (ballast) boom. The main boom is now 15 studs longer, and is strenghtened with diagonal beams at all sides. The main hook has again 6 falls. Also a 4th winch is installed in the main boom and is powered with the main battery box. The secondary hook is not yet visible in this foto, the motor of the 4th winch is installed at the beginning of the boom The main boom can be lowered fully using the auxiliary boom. And there is enough ballast to keep everything level, and working. Hope you like it