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  1. BusterHaus

    Lego 42098 Car Transporter Mods

    I'm looking at the springs, a couple of questions come to mind: Won't one of the 4L axles with stop get pulled out when the suspension rotates? How does this system compensate for the change in angle of the spring? Does it just rely on the slack between the 4L axle and pin-with-hole element?
  2. BusterHaus

    Technic 2020 Set Discussion

    Mindstorms EV3 has the set number 31313, 51515 would fit the numbering scheme as well as the timeline for the EV3 successor.
  3. After seeing @Sariel's post about the new 28 tooth gear, I created an Excel sheet that can be used to find the perfect (if existing), loose and tight fits between two Lego gears. It's only applicable to gears aligned along the same axis, so perpendicular and worm gears will not work - for now. Here is the link to the Excel file, located on Google Drive: https://drive.google.com/file/d/1FrAuXUNHenaWSZgvIRfyscusqirnu2Nw/view?usp=sharing I hope it's useful.
  4. Excellent work, this should have been a part of the official set.
  5. BusterHaus

    42099 - 4x4 X-treme Off-Roader

    The fact that the hub has integrated accelerometers sets it apart from the Mindstorms control brick and from third party items like Sbrick+ or BuWizz. The hub falls somewhere between a dumb bottery box (official ones and BuWizz included) and a fully programmable Mindstorms brick. This is a Toyota Corolla placed between a moped and a Hummer. Not all applications need a full-blown programmable solution, and many will benefit from more than a simple battery box. I'm not familiar with the programming capabilities of the PU hub, but I suspect it's a matter of time before @imurvai or another dedicated soul figures out how to link a game controller to it. I'm also looking forward to seeing how far the PU hub can be pushed as far as programming goes. It's obvious that it doesn't have the oomph of an EV3 brick, but its smaller footprint has a definite advantage. I'm hoping to see trucks with self-leveling suspensions and cranes with active counterweights, and whatever else MOCcers can think of.
  6. That monster truck is fantastic, it's like a very nice evolution of 9398.
  7. BusterHaus

    42110 - Land Rover Defender

    The answer you are looking for is Chevy/GMC trucks. They use "square" wheel arches to stand out in the busy field of the trucks. These panels will be great for any car with angular wheel arches, although colors that are more common would be more useful.
  8. BusterHaus

    42099 - 4x4 X-treme Off-Roader

    I completely agree that the app, instructions and box art should be consistent. My question was from the performance point of view, which @rm8 and @Void_S explained quite well.
  9. BusterHaus

    42099 - 4x4 X-treme Off-Roader

    Does it matter? I've seen this mentioned before, and I can't think of a reason why the pattern direction would be important, as long as all tires have the same orientation.
  10. BusterHaus

    Articulated truck question

    You can look at tractors with dualsteer for inspiration. They are articulated with front or rear wheel steering. The turn radius on them is very small. You can also get a Ferrari branded tractor: http://www.ferrariagri.it/en/product/tractors-53fae2b9a2387c362f7b23c7/vega-v80-v95-dualsteer-56a9e4d8fd60884c68ad9449
  11. BusterHaus

    [C-MODEL] 42066 - Shark Mk II

    Great build, the shark shape is really well done. I'm curious about the EV3 motor, are you adding a sensor too?
  12. BusterHaus

    [MOC] morbidly obese crawler crane

    The tracks looked too wide until the boom was extend, and then everything became proportional, as if hit with a magic wand. Nice build, I like the balance you found for the speed of the functions.
  13. BusterHaus

    [MOC] Winter Buggy

    Here's a simple and light buggy I built. The emphasis was on minimal weight. It's powered by: 1x BuWizz 1.0 1x PF servo (steering) 2x L-motors (RWD, 1:1 ratio) Rear suspension is a very simple dragged axle. Front suspension is independent with custom hubs designed to maximize ground clearance. Bodywork is fully detachable. The original build had an adjustable rake for the front axle via two small linear actuators (shown in the video). After experimenting with different angles , I replaced the actuators with regular beams to obtain a fixed angle. It's quite fun to drive, despite being limited to 2 wheel propulsion. Enjoy.
  14. @Didumos69 This popped up in my Google image search today. I hope you're getting a cut. https://mobile.carousell.com/p/4wd-rc-buggy-moc-19517-by-didumos-lego-mixed-lepin-technic-remote-control-202002375/
  15. Excellent C-model, I like it better than the main build.