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Everything posted by 2GodBDGlory
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[TC15] AH-77S - HUNTER
2GodBDGlory replied to steph77's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
@steph77? -
Here's my suggestion for that: Start with a 6L link, and cut off one of the ends, so that you've now got a 5L axle with a joint on one end. Then hook up your new axle end to a a fast motor/drill in a rigid jig, and then press a file against the rotating axle (next to the remaining joint) and let it file down until you reach the proper diameter. I'm not sure how well that would work, but it could be worth a try!
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[WIP] 42065 3D printed RC
2GodBDGlory replied to Ctan's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
That's fun! Looks like a ton of work in the modeling stage -
High: Released my modular Toyota Land Cruiser 70 project--My first Technic MOC with instructions! It was a big learning experience, and really complex figuring out how to make good documentation for such a modular setup. I'm really pleased with the result! Low: Built almost no Lego since the spring. The summer was spent working and hanging out with family, with a bit of 3D printer work thrown in, while the fall (and winter so far) have mostly been spent building another 3D printer. I'm afraid I"m moving on to other hobbies, but I think those fears are unfounded. I've enjoyed the little Technic building I have done lately, and the 3D printer projects are winding up, so hopefully after my Christmas break I can get back to the Technic! 2026: Hopefully finish my Mini Excavator MOC, and get some momentum going again for the Technic hobby! My class schedule for next semester will give me ~13 extra free hours per week, so more hobby time!
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[TC29] Mini Excavator
2GodBDGlory replied to 2GodBDGlory's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It has been a LONG time since I had an update on this project, and it's gone for months at a time without progress, but I do have some more to share now. So, one of the first problems was figuring out how I'm going to route four functions through the arm, without making it absolutely massive. Universal joints seem like the perfect compact solution to it, but the issue is that they can only rotate about 45° upwards before starting to lock up. However, I couldn't think of anything better, so I ended up going with four parallel doubled U-joints, allowing for about 90° upward motion! Finding a pivot point for the arm that aligned with the virtual pivot of the U-joints was fairly hard, and required half-stud offsets in two dimensions, but it seems to work well I then spent a while building up the area above the turntable, which was pretty challenging. I essentially needed to route 8 separate axles (the four from the arm, both track drives, turntable rotation, and blade actuation) from existing locations to reasonable locations with longitudinal axles, for the gearbox. Also note the work on the mechanism for activating blade motion through the turntable (described further in previous updates). I've now got a worm gear mechanism rotating an arm that pushes down on the LBG 2L axle extender on the 2L transmission driving ring in this picture: The TDR is only really being used to create a 16T gear that can have a sliding axle go through it, like those red 8T gears. As mentioned before, that axle is being used both for driving one track, but also for pushing the blade down through axial motion. After that I moved on to the gearbox, which is really complex! It's a 3-input, 9-output distribution gearbox, with six driving rings involved. These are split into three sets of two rings, with three functions from each set. Interestingly, there's only two wave selectors being used, which are geared together for synchronized motion. In order to keep it compact, two selectors are actually driving the same ring from opposite sides, just because those are the locations they needed to be placed in! I'm still busy with other hobbies, and will probably not be near my Lego over my Christmas break, so I don't know when the next update will come, but I think most of the most complex parts have been finished now! I guess the next issue will be figuring out where to install motors, and then working on installing the arm -
[MOC] 1:8 Porsche 911
2GodBDGlory replied to mihao's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
That is a seriously clean-looking model; nice work! That's a real shame about the new LEDs! That was a super important feature!- 13 replies
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Truck Trial Contests
2GodBDGlory replied to paave's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Maybe part of it is to make the venue work? If you've got locked diffs, maybe your capability level goes up to the point that it would be trivial to make it through the course they have built, and building a harder course is logistically difficult? -
Heavy duty disc CVT
2GodBDGlory replied to Divitis's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Cool! I'm glad to see the progress! -
Realistically it should have AWD, but I doubt Lego will attempt it. I think it would either require new parts or unconventional (and probably sketchy) techniques to do it at this scale. That being said, have they modeled any other real-world AWD cars at this scale before? If they've been consciously avoiding it until now, it would be more interesting that they decided to go for one now