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aeh5040

Eurobricks Knights
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    technic

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    WA State
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    Technic

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  1. aeh5040
    One thing to note about the spokes: although they are offset along the direction of the axle, so that they splay apart from the wheel (like a typical real bicycle wheel), they appear not to be offset in the radial direction (unlike a real bicycle wheel). In other words, the line of the spoke would intersect the axle if extended. This has implications for wobble. If there is enough tension then the axial offset should prevent side-to-side tilting. But the absence of radial offset means a lot of rotational wobble or backlash. In other words, it will likely be possible to roll the wheel quite a long way without turning its axle. This shouldn't matter too much for the bike, but may have implications for powered use of these wheels.
  2. aeh5040
    I'm afraid that won't tell you anything about meshing the new 64t with a 24t. The point is that 24+64 = 28+60, so the required distance is the same. As I wrote above, the required distance is the (2,5) diagonal plus about 0.11 units. Unfortunately, that 0.11 makes for a tight fit.
  3. aeh5040
    The 24t / 64t combination is equivalent to 28t / 60t (the latter being the newer turntable). I just tried this at the (2,5) point - it does turn but when braced on both sides it is quite tight, with a lot of friction - not good for most applications. It is possible that it would be slightly better with pure spur gears as opposed to a double bevel (as seen with the new 12t and 20t spur gears), but I suspect it will be still not ideal.
  4. aeh5040
    No need to wait for that - it's just Pythagoras!
  5. aeh5040
    The all important 8t / 64t is the same spacing as 36t / 36t. I just tried this at the (4.2) grid point and it works nicely - not too tight for most purposes.
  6. aeh5040
    Actually the 64t monster is looking a bit awkward for spacing. Besides the 16t at exactly 5 studs, the only reasonably good fits in the 1:1 studless technic grid seem to be: 8t at (4,2) (i.e. 4 studs across, 2 studs up), 0.03 studs too tight 24t at (5,2), 0.11 studs too tight 36t at (6,2), 0.07 studs too loose I did not investigate using technic bricks and plates yet.
  7. aeh5040
    It would certainly make sense if they were stretched slightly, and if the material was chosen accordingly.
  8. aeh5040
    I might be wrong but it looks to me as if the holes at the end of the spokes are slightly angled to allow for the offset - look at the shadows on the table. If so, this shows nice attention to detail, but I do wonder about wobble, and it will limit their usefulness for anything else. Interestingly, the 64t gear will only mesh exactly in grid with a 16t (for a 1:4 ratio) or with itself. Of course there should be plenty of scope for meshing with other gears at diagonal approximations to the right spacing, as usual. Very excited about the new parts, in any case!
  9. aeh5040
    Yes, quite so! I don't really understand why such things are so rare these days. Surely there must still be plenty of people interested in serious discussion of specialised topics. But getting them together seems like a constant struggle. Anyway, I'm glad we have that here. We should all do our best to nurture it!
  10. aeh5040
    Wow, not only a great recolor but that looks like a really nice set, and not absurdly expensive.
  11. aeh5040
    I am definitely counting 64 too. Exciting times!
  12. COPERNICON started following aeh5040
  13. aeh5040
    I had similar experiences, but I had not quite understood the explanation. Thanks for the this - it's good to know for the future! Very interesting info!
  14. aeh5040
    I would like the yellow part (except with a pin hole not a axle hole at the bottom middle), and possibly the green. Apologies if this has been suggested already.
  15. aeh5040
    In case people haven't seen, these beauties are now available at last
  16. aeh5040
    In my experience (from shows, etc.) knob gears are actually terrible for high torque applications (contrary to what I expected). They degrade very quickly, then develop very high friction, and finally start flaking off pieces. After a few experiences like this I decided never to use them again.
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