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BusterHaus

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Everything posted by BusterHaus

  1. BusterHaus
    Oops. On my phone they looked like mold engravings, not stamped numbers. My mistake. It does look like a manufacturing batch number.
  2. BusterHaus
    It is possible that the number is on the inside of the molded part. The numbers are most likely mold/cavity numbers and/or sub assembly part numbers, like @legolijntje said. They are definitely not serial numbers, as that would require changing engravings between each injection.
  3. BusterHaus
    I'm not sure how I missed this when it was posted. Very nice application of Mindstorms, the latest picture shows some nice paths. The light underneath gives it a very cool effect! Any plans to make it move in straight lines?
  4. BusterHaus
    This is a very well done build. Nice functions and a very eye catching color scheme.
  5. BusterHaus
    Works for me, voted, vote was counted, could see the results. Firefox with uBlock Origin (ad blocker) on Windows 7. FYI the poll you made a few days ago didn't work for me.
  6. BusterHaus
    Sounds like an ambitious project. I would split it up into two stages. The EV3 expansion set allows you to build a stair climbing robot - you can use their instructions or build something similar to it. As for the follower function, the color sensor has a very short range, so you (or your color sample) would have to be very close to the robot to be detected. The ultrasonic sensor would be the better option, but it also has limited range, although it is better than the color sensor. The problem with using this sensor is that it can't tell the difference between your leg and a wall, so you'd be limited to using it in open, clear areas. The sensor would also need to sweep the area to find your position, limiting the speed at which you can walk. The best solution is to indeed use the infrared sensor and beacon. The robot does a sweep, locates the target and drives to it. The cycle is then repeated. You can probably incorporate the follower function into the stair climbing robot.
  7. BusterHaus
    @Jim I used an image with Lego examples, not an image from the cartoon or other toys.
  8. BusterHaus
    It is a Lego message board, after all.
  9. BusterHaus
    This is great! It's relaxing to watch and the tests with the upper and lower limbs were very interesting. The tires are looking a bit worn in the screen capture of the second video.
  10. BusterHaus
    Hi, welcome to Eurobricks! This is one huge MOC, it looks pretty impressive. Could you please link the video? I have a feeling that pictures alone don't do it justice.
  11. BusterHaus
    That video is fantastic, nice job! Car looks great, too - the stickers take it to another level.
  12. BusterHaus
    Wacky Races?
  13. BusterHaus
    You can use an adder mechanism based around a differential, although I'm not sure if it will give you much benefit.
  14. BusterHaus
    That's exactly what I was thinking. I'm also surprised the non-angled blades manage to pump water instead of just creating turbulence.
  15. BusterHaus
    Costco has very good prices, but their selection is abysmal. However, I did notice that Amazon has the same prices as them, which got me wondering if TLG hasn't started to artificially inflate prices just to make the actual price seem more attractive. The BWE, Xerion and Volvo excavator are very nice sets, and I can't imagine that they sell poorly, but they have been permanently under the MSRP at both Costco and Amazon. Now we get 42070, and everyone's first complaint is the price. I'm curious to see if it will also be permanently discounted. This being said, I'll wait for more data before declaring this an official pricing strategy.
  16. BusterHaus
    Very nice build, Paul. I like the detailed stickers and the mixture of pneumatic and mechanical actuators. Any chance of seeing the insides and/or the underneath?
  17. BusterHaus
    Even worse, he can put it up as a prize. Thanks for the review, @Sariel - it feels like you took one for the team here.
  18. BusterHaus
    This is like a fine feast for the eyes. So many well done details, it's quite an accomplishment.
  19. BusterHaus
    @Erik Leppen My guess is that the gear rack has been done so many times that linkages make it a much more interesting set. Many recent sets have linkage steering - 42030, 42043, 42054, 42061 - and they are often one of the most discussed features of those sets.
  20. BusterHaus
    This project needs more love from everyone. It's very well done. The string on the back is a very clever way of balancing the tension of the front string. Does applying pressure on the back string change the notre being played?
  21. BusterHaus
    Get well soon Clive, you can memorize the instructions in 6-8 weeks if you are looking for things to do.
  22. BusterHaus
    If you need the foot and top platform to be parallel at all times add a second set of legs that pivot parallel to the current ones. You can use this classic for inspiration: Motor placement on a pivot point is not ideal - it will limit severely the amount of weight you can lift on the top platform. I would look at using a linkage or a linear actuator to move the two sets of beams.
  23. BusterHaus
    Nice, I like how quick it is.
  24. BusterHaus
    Brickset.com has an interview with Milan Reindl and Samuel Tacchi, two Technic designers. https://brickset.com/article/29340/interview-with-technic-designers Some neat insight into the design process.
  25. BusterHaus
    Yeah, I figured the 32L axle would flex. Your solution to make it more stable is very good, I like it because it's compact. However, it may get pulled apart with prolonged use - I hope I'm wrong about this.
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