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BusterHaus

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Everything posted by BusterHaus

  1. BusterHaus
    Technic beams are challenging as a choice because they are very flexible. I suggest something like the image below as it is much stronger than single beams. It will still be weak along the length of the blue pins but at least you should be able to support the weight of the model.
  2. BusterHaus
    You talked about programming an acceleration and deceleration for the motors to prevent jerky movements - this is a very smart thing to do, as it protects the motors (and mechanism) from excessive wear and damage. The acceleration and deceleration will vary on the momentum of the mechanism being controlled by the motor. The higher the momentum, the longer these two cycles. I don't know why Lego didn't include a block or a variable to control this, beyond the position lock/free spin motor mode. Perhaps it's because they don't expect the motors to be subjected to heavy duty action, or maybe it's because it's fairly trivial (although not always obvious) to implement when required. By the way, thanks for sharing the program and doing the explanation, it was a very good read.
  3. BusterHaus
    Great work, it performs very well! Real servo motor drivers have a whole bunch of programmable variables, including acceleration and deceleration. You can probably make a custom block for this on the EV3.
  4. BusterHaus
    9: 10 18: 6 22: 4 11: 3 10: 2 5: 1
  5. BusterHaus
    @Jurss @Didumos69 Thanks for the wishes, they are very appreciated. @BrickbyBrickTechnic I built this mostly one handed. I thought about @grum64 and his building techniques during the whole process.
  6. BusterHaus
    This is very fun to watch. Nice job!
  7. BusterHaus
    Coaching ice hockey. I think i showed the kids what NOT to do. The cast will be on for 6 to 8 weeks, so it's not exactly a speedy recovery, which is why I spent a bit of time tonight coming up with something that will make my life easier for that period.
  8. BusterHaus
    Broke my wrist. Typing is not easy so I built a rolling platform to support my arm. Version 1 works ok, I have some ideas on how to improve it. The big turntables don't work as well as expected. The large tires on top can sit in a few different positions (x and y) which allows some adjustment on the height of the cast. Let's hope images from Twitter work.
  9. BusterHaus
    These video tutorials are also very good: http://www.stemcentric.com/ev3-tutorial/
  10. BusterHaus
    Heads up for Canadians, Costco now has 2017H2 sets: https://www.costco.ca/CatalogSearch?keyword=lego+technic&pageSize=96 Notable discounts: 42070 - $260 CAD vs $370 MSRP 42069 - $175 CAD vs $240 MSRP
  11. BusterHaus
    Hahaha! that's awesome! Is the color scheme final, or is it a WIP?
  12. BusterHaus
    Nice work so far and it's nice to see that you are very open to suggestions. The wings could be wider, like @Jeroen Ottens said. It would give you a chance to have larger control surfaces - the ones you have now look too small in relation to the aircraft.
  13. BusterHaus
    @kodlovag Thanks for the explanation, can't wait to see the seat in action!
  14. BusterHaus
    This looks great! How does the seat switch orientation to keep the driver's head up? I can't figure out - it seems like the seat is too wide to rotate inside the cage, and from what I can see the cage doesn't rotate...
  15. BusterHaus
    Hi, welcome to Eurobricks. Your post is a lacking a bit of info, but here are some troubleshooting tips: Check the batteries in the remote and battery box, swap them out with new ones. Make sure the remote and receiver are set to the same channel (1 to 4). Check both outputs on the receiver by connecting LED lights or motors to them. Connect different motors/lights to the receiver outputs to make sure you don't have a bad motor. Make sure your wire connection bricks are clicked in all the way. Check that your battery box is putting out power by connecting the motor or lights directly to it. If this doesn't work you can contact Lego customer service, they will probably send you a new unit.
  16. BusterHaus
    What a fun build! I think the fear of losing a bunch of 12 tooth gears (from the diffs) in mud would have driven me to a solid axle - it's really fun to watch it with differentials, even though they don't perform too well. Great job keeping the electronics out of the mud and water. It usually increases the center of gravity, but I see the motors are nice and low. I played around with Lego vehicles in snow a few times and keeping electrical components dry is always a priority. By the way, thanks for the credit on the engine, I'm glad to see it was useful for you.
  17. BusterHaus
    Maybe the key word should be Model. It's supposed to replicate something that exists, I don't think the scale or the amount of functions is relevant.
  18. BusterHaus
    This is a great build, Sariel. I particularly like the gun movement mechanism, which is smoother than butter and still very fast. It also doesn't have the jerky motion often seen when linear actuators reach the end of their travel. The video is very good, too.
  19. BusterHaus
    This is the approach I would take, and if it doesn't work, I would gear down the motors even further than the 1:4 reduction you currently have. It will slow down the truck but may actually let the wheels turn.
  20. BusterHaus
    Very nice start, you really captured the spirit of this contest so far.
  21. BusterHaus
    I really like the approach you've taken with the blue panel builds. Different cars let you experiment with different building techniques, so of you ever want to make your own design, you can just apply what you've learned. Nice work on this one.
  22. BusterHaus
    No, he did not. Paul is a very talented builder, and taking the opportunity to monetize his talents is not a "bad choice".
  23. BusterHaus
    You are most likely hitting the nail on the head here, age range aside. Lego wants to sell sets to kids who have outgrown the City/Ninjago/Superhero lines. What easier way than making a simple Technic set that feels like a grown up version of a City bulldozer or a Chima hovercraft? The kids get introduced to Technic parts, visible mechanical functions, and are hopefully retained as customers for the next 3 or 4 years, not to mention the possibility of becoming an AFOL later on.
  24. BusterHaus
    For a moment I thought the wheels on the compactor/bulldozer were new, but it looks like these: https://www.bricklink.com/v2/catalog/catalogitem.page?P=64711&idColor=85#T=P&C=85
  25. BusterHaus
    Keep them coming! How long does it take to program and run the fancy patterns?
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