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  1. Kladovec

    stringless three-section boom

    I´ve found some Italy guy, that made five section boom mobile crane which is using some kind of locking mechanism to extending boom.
  2. Kladovec

    Technic Model Comparison

    Hi, to all. Is anyone capable to compare front bucket excavator - Lego 42100 vs. Sheo´s MOC RH 400?? Thanks
  3. Kladovec

    strange ratchet mechanism

    If you translete his (Italian guy) article, you can find out, that he´s using in his largest boom (15 x 15) section some inner boom with 5 x 5 dimensions. In which is located some, for me didn´t understanded mechanism. This inner section is with some rope and ratchet. But how it works .... hmmm, who knows? Maybe something like this.
  4. Kladovec

    large scale telescopic crane

    Hi, there. This is only for inspiration. I´ve found this massive crane several weeks ago. It´s almost one year old and creator is no longer working on it. This guy is from Italy. His crane is massive and he solved the boom extensions with some locking mechanismus. But no video. So you can inspire how it could be done. https://itlug.org/forum/topic/7536-gru-telescopica/page/1/
  5. Kladovec

    [MOC] Tow Truck MkII

    Hello Lucio, pls will be available some under bonnet pictures, or some WIP? And on YT video, you mentioned, that the instructions will be available. Is that true? BTW excellent model. And now I thinking what should I sell, to earn enough money, maybe my left kidney .
  6. Kladovec

    [MOC] Liebherr LTM11200 crane

    Please make someone full review of this beast. Video, pics, atc.
  7. Hi Colin, you didn´t wrote which version you choose. If you are building version with suspension, than you need differential part number 6573, but if you are trying upgraded one, with 3 XL motors wor driving, than you need the other one - part number 62821. Hope this advice will help.
  8. Grove is my favorite MOC, I start with original 42009, after that I change it to full RC (not Jurgen´s ultimate). Next step was GMK 6400 MK II with suspension and full boom with LEGO actuators. Final version is MK III without suspension and boom with 3D printed Efferman actuator. Boom with LEGO actuators work fine, but raised angle of boom was terrible. Carrier with suspension wasn´t bad, but two XL motors located under driver cab wasn´t best idea to power all twelve wheels. In my opinion to much friction. So next gen has to come. MK III without suspension 3 XL motors, each for two axle - but it need V2 receiver and two servos for steering. Now much better driving and steering. Boom with printed actuator is longer (six panels), but heavier. And even with XL motor for actuator, it is very hard to raise (especially in the begining). But when it´s raised and extended it´s a beast. So my opinion - MK III without suspension and effe´s actuator, but you can made your own actuator from LEGO parts.
  9. Kladovec

    Efferman's Custom Parts

    Hi there. Effe are you trying to move your parts somewhere else?? If exist some another similar company?
  10. This one with 3D printed gears.
  11. It´s not correctly visible on video, but there is two Technic reel at the begining of the boom with locking mechanism. And you can tighten the rope at any lenght of the boom. When fully extended, this rope give me another 5 cm in height, with boom bend to the opposite side.
  12. Hi, I make short video of my GMK crane. https://www.youtube.com/watch?v=cqdl2zl8zk0 Enjoy, hope you like it.
  13. Thanks Alex for BI. As I said, several problems has appeared. Some fixed, some remained. Lateral stability improved with added wedge wheels on both side of superstructure. Because of XL motor behind turntable, I cannot add another one on the back. Another problem has appeared - slipping 8t gear for turning superstructure. I think that´s becouse my custom heavy iron counterweight. But without it boom leans forward. Last issue is with powering effe´s actuator. With only one 20t gear for pivot point is not enough for lifting heavy boom, always slipping (at least my one). I must use two gears against each other - but when it´s going up it cracks sometimes. Little headache.
  14. Hi there once again, finally finished MKIII with dual outriggers, efferman´s actuator and superstructure. It´s really big crane when extended. I´m not 100% satisfied with it, there is much work to do with it. I have to improve lateral stability when boom is extended - some wheels or something, Driving and steering is much better with these improved version, than with suspended one. But with ballast on carrier is drivning and steering on its limit, better without it. http://www.brickshelf.com/gallery/Kladovec/gmk6400/img_20180618_162813_small.jpg http://www.brickshelf.com/gallery/Kladovec/gmk6400/img_20180618_164922_small.jpg More pics on my brickshelf gallery. Hope you like it.
  15. Uploaded to brickshelf folder.