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DrJB

Eurobricks Dukes
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Everything posted by DrJB

  1. DrJB
    You're adding a trailer hitch? ... lol Seriously, more weight at the back for better traction?
  2. DrJB
    It is YOUR bricks, and you are free to do with them as you please. I always say: Happy building, MOCing, LDDing, Cutting, or whatever it is you enjoy doing with YOUR bricks.
  3. DrJB
    A remote control??? What do I win?
  4. DrJB
    As promised, here is the LXF, thanks to piterx. I added few parts to hold the gear shifters. http://www.brickshelf.com/cgi-bin/gallery.cgi?f=554029
  5. DrJB
    It seems the original link is broken again :( Do we know if an LDR/DAT file is available?
  6. DrJB
    My set had only one axle, and the crane uses only one. Somehow many people said they received a second axle as a spare, but it seems this was not the case for all of us. Fear not, you can still build the set with only one axle.
  7. DrJB
    After checking the article, it says WeDo can use the PF LEDs. Thus, I'm thinking either the WeDo light sensor can be used as a line follower, in standalone or possibly together with the PF lights. Note that this will need some 'calibration' of the on/off states.
  8. DrJB
    My first 'dealing' with the Enfield Customer Service was in 2003, when I had ordered and just received a Silver Champion, directly from TLG. I took the day off and was waiting for an AM delivery by UPS. The driver rang the bell, dropped the box and literally ran back to his truck. I ran downstairs, opened the door, and to my horror the box was totally mangled, I caught up with the driver, asked him to wait so I call TLG and see what to do about that mess. The SOB just drove off and, needless to say, I was furious. I called TLG, explained the situation and the kind lady said she'll send a replacement. When I asked what I should do with the mangled package, she replied it was mine to keep ... waow! In less than an hour I went from totally furious to the happiest old kid in town. Thank You TLG.
  9. DrJB
    Very eloquently stated I can already guess what the next question will be: Can you explain how gearboxes work without using gears? ... j/k
  10. DrJB
    Precisely
  11. DrJB
    Well then: how about a touch/virtual keyboard on any of the devices below: 1. iPad/Tablet 2. iPhone/SmartPhone Still off?
  12. DrJB
    Thank you. I'll upload the LXF as soon as done.
  13. DrJB
    I tried to build an LXF but can't complete it as I need more views/photos of the 'inner' gears.
  14. DrJB
    Not sure, as one needs to build the contraption first. Have we got an LXF for it? In real cars, and because typically the wheel/tire travels up-down parallel to itself, the camber is more or less fixed. Here, in the above solution, the 'mechanism' holding the tire is not a parallelogram and most likely will deform as the tire moves up down. Whether the camber gets smaller or larger with load depends on the distance between the attachment points of the suspension linkages (control arms) on the wheel side vs. on the vehicle chassis side.
  15. DrJB
    I think the problem/weakness with the above solution is that the camber will depend on the suspension travel, and not sure this is the desired effect.
  16. DrJB
    I was going to guess a computer keyboard with 101 keys but ... I'm not at my computer all day long. As for atom or oxygen molecule, well, the shape is a bit off, way off.
  17. DrJB
    Already answered my own question. Read post #12 Though, you're right! ALL bent liftarms have the same angle. But, the 4/6 liftarm (6629) has the correct hypotenuse length. tan (alpha) = 3/4 ==> alpha = arctan(0.75) = 36.87 degrees. Thus, angle of all liftarms is 180-36.87 = 143.13 degrees
  18. DrJB
    Almost, as the reason for the angle is exactly the Egyptian triangle. Of all three bent liftarms, the 1×9 (6-4) is the one I was referring to. The long side (6M) has a length of 5M (between holes) and that is the hypotenuse of the 3/4/5 triplet. Yes I am, I was merely replying/clarifying to darsedz. In 5/10/13, 5 and 3 are in units of M (module) whereas 10 is in units of brick height. Once all elements are converted to M units, it becomes the familiar 5/12/13.
  19. DrJB
    I did buy both sets few weeks ago and the desire to get them was stronger than the urge to build them. Either that or fatherhood is getting in the way of my hobby.
  20. DrJB
    You could for sure use the old+new control arms, along with the new spindle part. Though, why a negative camber? For increased lateral stability as in the race car below?
  21. DrJB
    I agree that 5/12/13 is a valid triplet, as I clearly stated in my post. However, if you read the post prior to mine, there was a mention of 5/10/13 as a valid set, and that is why I asked my question. Incidentally, the triplet 3/4/5 is often called Egyptian triangle as it's often seen in Various old constructions by the Nile. Also, one of the lego technic bent liftarms is based precisely on the 3/4/5 triplet. Can you guess which one?
  22. DrJB
    The most 'known' triplets that satisfy Pythagoras are 3/4/5 and 5/12/13, and their multiples. Now, how does the triplet 5/10/13 constitute a valid set? 5^2 + 10^2 = 25+100 = 125 is not equal to 13^2 = 169. What am I missing?
  23. DrJB
    I did an LDD of the 2CV's chassis. Truly amazing piece of engineering, especially the suspension and the gearbox + gear-shifter. Gotta remember to post a link someday.
  24. DrJB
    This set (8448) reminds of an early (very positive) experience with Bricklink. I was going to build such vehicle from parts purchased individually. Yet, only one seller had the red bent liftarms in sufficient quantity, but nothing else that I needed. I placed my order and he declined as I had not met the minimum requirement ($50 or so). Naturally, I wrote back and apologized. Then, few days later, a package arrived with 40+ such liftarms (NEW) and a nice accompanying note. If you happen tobe here and reading this, you made my day back then, for such generosity is not common place.
  25. DrJB
    Not to go off-topic but ... I just noticed BlakBird has a new avatar. Is 8480 your all-time favorite Technic Set?
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