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Gabi_BC

Eurobricks Vassals
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Everything posted by Gabi_BC

  1. Gabi_BC
    Having just seen this scene live, may i suggest replicating it in lego form:
  2. Gabi_BC
    This looks great, can't wait to see the whole thing.
  3. Gabi_BC
    At last, the counterweight arm is (somewhat) finished. Having completed this i wonder if there will be a need for metal parts in the counterweight box. I seriously doubt it at this stage, but i guess i will only find out if i actually build this machine. Hollow or not the cw box will stay for realism. All the machinery in the CW arm is housed inside a box. In a real BWE this would house transformers, winding motors, automation boxes and others. In this model, the box houses a battery box that supplies power to the bucket wheel drive, the winding L-motor and to the PF-M motor that turns the bucket wheel and conveyors on/off via IR-remote. One IR unit is installed here (another 2 are in the tripod base and the 4th one will be in the trailing conveyor discharge ...thing) The PF-M motor rotates a worm gear-clutch gear assembly that turns 2 PF switches on/off. One is for the BW drive, one for the conveyors. Power for the conveyors comes through extension cable from somewhere else since most of the conveyors and drives for them will be in the lower part of the Bwe. Another extension cable then sens the power to (probably 3 pf-m) motors driving all the conveyors. The winding motor drives the wire drums that control the elevation of the bucket wheel arm. This system is located at the back and has 2 wire drums. A maintenance crane is installed at the back of the cw arm, to service the winding drums and motors. For this i used the 42038 arctic truck crane, since it has all the functionality i need and can be folded into a relatively compact space. The linear actuator is driven via a 16 stud axle ending in a knob under the structure, somewhat out of sight. Also under the structure is a small lever that turns on the battery box. The battery box can be accessed by removing the housing and then rotating it's supporting assembly 90o upwards. The entire CW arm is accessible via stairs and walkways. The machine housing: Access to the battery box: And the mechanical and electrical part: --------- edit here is the current state of the project. Next on the list - modify bucket wheel arm and operator's cab I think it looks quite adequate for minifig-scale at this size. Not a very large BWE model, but a very possible one dimension-wise. As depicted it already has almost 8000 parts, so a final estimate would be around 10-12.000 probably.
  4. Gabi_BC
    Miscalculated a bit there
  5. Gabi_BC
    A Lego shipyard would be an excellent setting for this, but i'm guessing that would run into something like 50.000+ parts
  6. Gabi_BC
    Why isn't there a like button on this forum?!
  7. Gabi_BC
    search for Bluerender. It's free, available online and easy to use. There are multiple rendering programs, but i'm ok with this one so far. Oh yes. I know a certain loved someone who is not going to be happy with that Also "make large BWE model central item in living room" is not going to go down very well.
  8. Gabi_BC
    Counterweight arm structure is almost complete. I think the battery box will be placed in the counterweight since it has a hinged cap, along with some lead weights that will be adjusted on a trial and error basis in the real model. Structurally speaking i think there won't be any problems here. Now i have to squeeze in the wire drums that control the elevation of the BW arm, motor and IR-receivers.
  9. Gabi_BC
    Excellent model, can't wait to see it finished. And yes, LDD would probably crash on 20.000+ parts. How are you going to transport the monster?
  10. Gabi_BC
    Apart from testing to see if it works properly, i don't think most people abused that function of the BWE to the point where the bevel gear would wear out.
  11. Gabi_BC
    That would be the intention, however, i don't think it will become a real model in under a year. Real life, job and budgetary constraints will have a great say on this project. LDD model will hopefully take less than one year I think the advanced tehnology of lego box with metal coins inside will be used. There will be plenty of space in the counterweight arm and the real machines have all sorts of "boxes" there for electrical equipment. I was wondering...is there any other spacing possible for the buckets on the bucket wheel, such as to have more of them, say...10-12?
  12. Gabi_BC
    Back from vacation, started some early work on what i want to make out of the bwe: The proportions i'm aiming for are something like this: the BW arm will be raised/lowered via a pulley system like in the real machine, with the driving motor at the rear of the counterweight arm. This bw arm needs to be substantially lengthened but i think that won't be a structural problem since the cantilever will not be larger than the one on the 42055. It will all be a problem of balancing the machine properly (some counterweight box might be needed in addition to the battery)
  13. Gabi_BC
    That's what i was going to ask Is there any script or 3rd party program that can subtract 2 parts lists?
  14. Gabi_BC
    System parts are just for aesthetic purposes since i want to get as close as possible to the looks of a real bwe. They are not needed for the proper functioning of the machine. In the lxf they are grouped separately
  15. Gabi_BC
    So...i've finally managed to design a tripod tracked base, like nearly all large BWE have. In real life it looks like this: And here's my take on the subject 3 L motors drive 3 pairs of tracks. 2 of the pairs can rotate in order to turn the excavator in place. This is done using linear actuators and another L motor embedded in the base. one IR receiver will control the track motors, one IR receiver will control the L motors that moves the LA's and the motor that will rotate the superstructure (not yet modeled). As is the case with real BWE's the superstructure will not rotate 360 I have to design a system that automatically changes the rotation direction each time the superstructure reaches the end of the turn. Any advice with this is welcomed. On one side there is a fake cable drum similar to those used in real machines to supply the excavator with electricity. This is far more realistic than the base of the 42055 and also better than my previous base with 2 track pairs. However with this the superstructure now looks too small. Not to worry, that's where i'm heading next, after a short vacation. ----------------- ----------------- Feel free to correct or improve the .lxf file. Since i'm a beginner with LDD there might be some mistakes or overlooked issues. For easy navigation most of the components are grouped. https://www.dropbox.com/s/t94s2wywwmhkrm4/T1.lxf?dl=0
  16. Gabi_BC
    If the BWE is bad at picking up bricks, the bucket chain excavator will be the absolute worst. But by god i will moc one some day It would also need some custom made buckets
  17. Gabi_BC
    ^^ I know, i am now working on a tripod configuration. We'll see how that turns out.
  18. Gabi_BC
    Ok, so this would be my take on the tracked base: Now comes the fun part...
  19. Gabi_BC
    just temporary to add the tracks in place. Nah, just a larger version of this one, something like this
  20. Gabi_BC
    Something i'm working on Ideally there would be 3 pairs of tracks with pivot centers forming an equilateral triangle. But that would require an enlargement of the entire base part, so...maybe some other time. One L-motor drives each pair of tracks. I am planning to make the tracks a bit longer. Retractable ladder will be moved to this area.
  21. Gabi_BC
    Same here. Apparently girlfriend has objections to "bwe as living room center piece"
  22. Gabi_BC
    ^^ When the main arm comes together, that's when it hits you
  23. Gabi_BC
    @ ImanolBB, thank you for your LDD work. My first ever LDD mod: starting small, modding the 42055 dump truck to look more realistic, like a large diesel-electric truck -double wheels on each side at the back -stop and turn lights, traction motor casing -whole truck is 2 studs wider -the area where the engine is supposed to be was empty and dull, added some details there -more accurate exhaust -added IGBT cabinet next to the driver's cab -fuel tank -dumper knob replaced with lever .lxf file https://www.dropbox.com/s/fztws4zxq3uiwfo/basculanta1.lxf?dl=0
  24. Gabi_BC
    Of course it does because it is a relative replica of a machine that digs in a different way, usually the sides of the buckets are the ones that cut the material that's being excavated, as the bwe is slewing. Also the consistency of the material being excavated is completely different. For large loose parts (like those bricks) a regular shovel would be a far better choice (note to TLG: please make a rope shovel set ) In nearly all tests i've seen of the technic bwe, it is scooping up parts from a plate or something similar. "digging" takes place in the green highlighted part of the wheel. But in real life most of the material extracted comes from the part highlighted in red. For those willing to risk the well-being of their beautiful new set, they could try it out on a bank of wet compacted sand, with a consistency similar to that of sand castles. I find this set to be more in the StarWars UCS category. It looks amazing to look at and it is great fun to build, but you can't actually properly play with it.
  25. Gabi_BC
    ^^ I guess there are ways, but they probably require more tinkering with than i was willing to do at midnight. Another aesthetic modification i have in mind is adding a cable drum at the back of the tracked base.
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